| # | Name | Coords | Locality | Region | Notes |
| 1 | 1 Island (Houtman Abrolhos) | 28°54′34″S 113°52′55″E | Houtman Abrolhos | Mid West | |
| 2 | 2 Island | 28°54′34″S 113°52′42″E | Houtman Abrolhos | Mid West | |
| 3 | 3 Island | 28°54′24″S 113°52′16″E | Houtman Abrolhos | Mid West | |
| 4 | 4 Island (Sweet Island) | 28°55′01″S 113°52′17″E | Houtman Abrolhos | Mid West | |
| 5 | 5 Island (Davis Island (Houtman Abrolhos)) | 28°54′53″S 113°52′33″E | Houtman Abrolhos | Mid West | |
| 6 | 6 Island (Sid Liddon Island) | 28°54′40″S 113°51′49″E | Houtman Abrolhos | Mid West | |
| 7 | 6 Mile Island | 33°38′23″S 123°57′57″E | | Great Southern | Israelite Bay |
| 8 | 7 Island | 28°54′22″S 113°51′21″E | Houtman Abrolhos | Mid West | |
| 9 | 8 Island | 28°53′56″S 113°51′36″E | Houtman Abrolhos | Mid West | |
| 10 | Abutilon Island | 20°40′05″S 115°34′44″E | Lowendal Islands | Pilbara | |
| 11 | Acasta Island | 14°10′26″S 125°40′18″E | | Kimberley | |
| 12 | Adele Island (Western Australia) | 15°31′25″S 123°09′16″E | | Kimberley | |
| 13 | Admiral Island (Western Australia) | 16°04′00″S 123°24′06″E | Buccaneer Archipelago | Kimberley | |
| 14 | Adolphus Island | 15°06′45″S 128°08′36″E | | Kimberley | |
| 15 | Advance Island | 16°09′19″S 123°55′46″E | | |
| 16 | Ah Chong Island | 20°31′30″S 115°32′30″E | Montebello Islands | Pilbara | [3] |
| 17 | Airlie Island | 21°19′26″S 115°09′55″E | | Pilbara | |
| 18 | Akerstrom Island | 28°28′30″S 113°41′51″E | Houtman Abrolhos | Mid West | |
| 19 | Albert Islands | 14°31′07″S 124°55′30″E | | |
| 20 | Alcatraz Island (Houtman Abrolhos) | 28°27′43″S 113°43′18″E | Houtman Abrolhos | Mid West | |
| 21 | Alexander Island (Collie River) | 33°18′44″S 115°42′03″E | Bunbury, Western Australia | |
| 22 | Alexander Island (Fitzroy River) | 18°23′56″S 125°21′57″E | | Kimberley | |
| 23 | Alexander Island (Houtman Abrolhos) | 28°40′26″S 113°49′44″E | Easter Group | Mid West | |
| 24 | Allora Island | 16°24′57″S 123°09′18″E | | |
| 25 | Alma Islands | 23°56′51″S 115°47′27″E | | |
| 26 | Alpha Island (Western Australia) | 20°24′39″S 115°31′15″E | Montebello Islands | Pilbara | [3] |
| 27 | Amethyst Island | 16°18′34″S 128°38′48″E | | |
| 28 | Anderdon Islands | 14°55′55″S 125°10′23″E | | Kimberley | |
| 29 | Angel Island (Western Australia) | 20°29′15″S 116°48′28″E | | |
| 30 | Angle Island | 21°04′48″S 115°49′30″E | | Pilbara | |
| 31 | Anglesea Island | 33°19′35″S 115°39′12″E | | |
| 32 | Ant Island | 26°09′47″S 113°26′32″E | Shark Bay | Gascoyne | |
| 33 | Anvil Island (Western Australia) | 33°44′17″S 124°05′39″E | Recherche Archipelago | |
| 34 | Apex Island | 16°23′52″S 123°03′17″E | | |
| 35 | Arbidej Island | 16°12′04″S 123°32′32″E | | |
| 36 | Archdeacon Island | 34°07′16″S 123°03′57″E | | |
| 37 | Archipelago of the Recherche | 34°12′14″S 122°20′54″E | Recherche Archipelago | |
| 38 | Arid Island | 34°01′27″S 123°09′31″E | | |
| 39 | Arthur Island (Houtman Abrolhos) | 28°53′55″S 114°00′12″E | Houtman Abrolhos | Mid West | |
| 40 | Ashburton Island | 21°35′33″S 114°56′02″E | | |
| 41 | Asshlyn Islands | 16°07′58″S 123°17′19″E | | |
| 42 | Aster Island | 20°25′52″S 115°34′38″E | Montebello Islands | Pilbara | [3] |
| 43 | Atrina Island | 15°13′54″S 124°29′35″E | | |
| 44 | Attack Island | 15°48′34″S 124°42′29″E | | |
| 45 | Atys Island | 15°14′15″S 124°31′02″E | | |
| 46 | Augereau Island | 14°45′22″S 125°07′43″E | | |
| 47 | Augustus Island (Western Australia) | 15°20′38″S 124°32′12″E | Bonaparte Archipelago | Kimberley | |
| 48 | Augustus Springs Island | 24°16′55″S 116°52′35″E | Mount Augustus National Park | |
| 49 | Aunt Island | 14°22′25″S 127°50′22″E | | |
| 50 | Auriferous Island | 29°07′05″S 119°38′08″E | | |
| 51 | Aveling Island | 16°20′34″S 123°36′46″E | | |
| 52 | Avocet Island | 32°36′27″S 115°38′46″E | | |
| 53 | Babbage Island | 24°52′39″S 113°37′57″E | Shark Bay | Gascoyne | Named after Charles Babbage[4] |
| 54 | Bailey Island (Western Australia) | 26°54′29″S 118°19′44″E | | |
| 55 | Bald Island (Broke Inlet) | 34°56′36″S 116°29′00″E | | |
| 56 | Bald Island | 34°55′05″S 118°27′44″E | | Great Southern | |
| 57 | Ballee Island | 32°34′59″S 115°46′08″E | | |
| 58 | Bar Island (Western Australia) | 33°18′07″S 115°41′17″E | | |
| 59 | Barbecue Island | 16°08′53″S 128°42′01″E | | |
| 60 | Barely Island | 33°57′07″S 122°30′06″E | | |
| 61 | Barge Rock | 28°27′02″S 113°43′17″E | Houtman Abrolhos | Mid West | |
| 62 | Barnes Island (Western Australia) | 15°11′38″S 128°10′16″E | | |
| 63 | Barnicoat Island | 16°27′39″S 123°25′50″E | | Kimberley | |
| 64 | Barrier Island (Western Australia) | 33°58′48″S 123°08′13″E | Recherche Archipelago | |
| 65 | Barrow Island (Western Australia) | 20°47′56″S 115°24′17″E | | Pilbara | |
| 66 | Basile Island | 28°52′33″S 113°57′38″E | Houtman Abrolhos | Mid West | |
| 67 | Bat Island | 15°06′22″S 124°54′25″E | | |
| 68 | Bathurst Island (Western Australia) | 16°02′41″S 123°31′57″E | Buccaneer Archipelago | Kimberley | |
| 69 | Baudin Island (Kimberley coast) | 14°07′44″S 125°36′12″E | | Kimberley | |
| 70 | Baudin Island (Shark Bay) | 26°30′54″S 113°38′55″E | Shark Bay | Gascoyne | |
| 71 | Bayliss Islands | 16°12′59″S 123°29′29″E | | |
| 72 | Beacon Island (Houtman Abrolhos) | 28°28′35″S 113°47′02″E | Wallabi Group | Mid West | |
| 73 | Beagle Islands (Western Australia) | 29°48′30″S 114°52′31″E | | |
| 74 | Beaumont Island (Western Australia) | 34°05′27″S 122°32′20″E | | |
| 75 | Bedford Islands | 16°09′29″S 123°20′11″E | Buccaneer Archipelago | Kimberley | |
| 76 | Bedout Island | 19°35′20″S 119°05′49″E | | Pilbara | |
| 77 | Bedwell Island | 17°18′59″S 119°20′29″E | | |
| 78 | Beelu Island | 24°56′40″S 115°53′39″E | Kennedy Range National Park | | Thomas River |
| 79 | Bellinger Island | 33°53′16″S 123°38′15″E | | |
| 80 | Ben Island | 33°54′00″S 122°45′13″E | Recherche Archipelago | |
| 81 | Bend Island | 25°03′47″S 115°26′29″E | Kennedy Range National Park | | Gascoyne River |
| 82 | Bernier Island | 24°50′57″S 113°08′14″E | Shark Bay | Gascoyne | |
| 83 | Bernouilli Island | 15°01′33″S 124°46′38″E | Timor Sea | |
| 84 | Berthier Island | 14°30′32″S 124°59′24″E | | Kimberley | |
| 85 | Berthoud Island | 14°16′51″S 125°50′17″E | | |
| 86 | Bessieres Island | 21°31′33″S 114°45′40″E | | Pilbara | |
| 87 | Bezout Island | 20°33′13″S 117°10′29″E | | |
| 88 | Big Island (Western Australia) | 24°07′39″S 115°31′14″E | Kennedy Range National Park | | Lyons River |
| 89 | Bigge Island | 14°35′20″S 125°09′11″E | | Kimberley | |
| 90 | Bignell Island | 14°29′41″S 125°55′35″E | | |
| 91 | Bird Island (Western Australia) | 14°00′54″S 126°34′01″E | | Kimberley | |
| 92 | Bird Island (Western Australia) | 14°05′07″S 125°42′41″E | | Kimberley | |
| 93 | Bird Island (Western Australia) | 32°16′42″S 115°41′17″E | | Perth region | |
| 94 | Bishop Island (Western Australia) | 14°24′26″S 125°20′19″E | | |
| 95 | Black Island (Western Australia) | 33°55′12″S 121°59′31″E | | |
| 96 | Bluebell Island | 20°23′54″S 115°31′08″E | Montebello Islands | Pilbara | [3] |
| 97 | Bonaparte Archipelago | 14°31′07″S 124°55′30″E | Bonaparte Archipelago | Kimberley | |
| 98 | Bonaparte Island | 14°51′21″S 124°46′02″E | | Kimberley | |
| Booby Island (Kimberley) (White Island) | 15°03′41″S 124°19′35″E | Bonaparte Archipelago | Kimberley | |
| 99 | Boodalan Island | 32°35′37″S 115°44′53″E | | |
| 100 | Boodie Island | 20°57′46″S 115°19′33″E | | |
| 101 | Boomerang Island | 20°44′10″S 115°28′45″E | | Pilbara | Barrow Island |
| 102 | Boongaree Island | 15°05′14″S 125°11′56″E | | |
| 103 | Boora Island | 24°45′25″S 114°11′45″E | Kennedy Range National Park | | Gascoyne River |
| 104 | Borda Island | 14°14′12″S 126°01′14″E | | |
| 105 | Boullanger Island | 30°19′09″S 114°59′55″E | | Mid West | Named after Charles-Pierre Boullanger |
| 106 | Boundary Island (Western Australia) | 32°34′15″S 115°42′38″E | Peel Inlet (Mandurah) | |
| 107 | Boxer Island | 34°00′03″S 121°40′35″E | | |
| 108 | Branch Island | 14°25′59″S 125°17′06″E | | |
| 109 | Breaksea Island (Western Australia) | 35°03′50″S 118°03′09″E | | Great Southern | |
| 110 | Brewis Island (Western Australia) | 34°04′22″S 123°04′08″E | | |
| 111 | Bridled Island | 20°38′23″S 115°33′22″E | Lowendal Islands | Pilbara | |
| 112 | Brigadier Island | 20°26′41″S 116°36′55″E | | |
| 113 | Brooke Island | 20°26′06″S 115°30′05″E | Montebello Islands | Pilbara | [3] |
| 114 | Broughton Island (Western Australia) | 33°58′53″S 122°25′58″E | | |
| 115 | Brown Island (Western Australia) | 21°53′11″S 114°33′32″E | | |
| 116 | Browne Island (Western Australia) | 15°08′04″S 124°30′09″E | | |
| 117 | Browse Island | 14°06′35″S 123°32′53″E | | Kimberley | |
| 118 | Bruen Island | 16°04′00″S 123°22′45″E | Buccaneer Archipelago | Kimberley | |
| 119 | Brunswick Island | 32°45′01″S 115°42′13″E | | |
| 120 | Buccaneer Archipelago | 16°05′57″S 123°25′47″E | Buccaneer Archipelago | Kimberley | |
| 121 | Buffon Island | 14°55′04″S 124°44′17″E | | |
| 122 | Bullanyin Island | 16°13′33″S 128°43′21″E | | |
| 123 | Buller Island | 30°39′26″S 115°06′47″E | | |
| 124 | Bumpus Island | 15°30′27″S 124°24′08″E | | |
| 125 | Burnett Island (Houtman Abrolhos) | 28°52′22″S 113°57′47″E | Houtman Abrolhos | Mid West | |
| 126 | Burnside Island | 22°06′21″S 114°30′31″E | | Pilbara | |
| 127 | Burton Island (Houtman Abrolhos) | 28°51′59″S 113°59′06″E | Houtman Abrolhos | Mid West | |
| 128 | Bushby Island | 28°43′25″S 113°47′07″E | Houtman Abrolhos | Mid West | |
| 129 | Buttercup Island | 20°29′10″S 115°32′02″E | Montebello Islands | Pilbara | [3] |
| 130 | Button Island (Western Australia) | 33°54′13″S 121°53′20″E | | |
| 131 | Byam Martin Island (Western Australia) | 15°22′52″S 124°21′19″E | | |
| 132 | Bynoe Island | 28°39′54″S 113°52′31″E | Houtman Abrolhos | Mid West | |
| 133 | Byron Island (Buccaneer Archipelago) | 16°09′45″S 123°26′55″E | Buccaneer Archipelago | Kimberley | |
| 134 | Caesar Island | 16°03′54″S 123°55′54″E | | |
| 135 | Caffarelli Island | 16°02′26″S 123°17′22″E | Buccaneer Archipelago | Kimberley | |
| 136 | Camp Island (Western Australia) | 24°41′46″S 115°19′05″E | Kennedy Range National Park | | Lyons River |
| 137 | Campbell Island (Houtman Abrolhos) | 28°41′44″S 113°50′05″E | Houtman Abrolhos | Mid West | |
| 138 | Campbell Island (Western Australia) | 20°25′45″S 115°32′35″E | Montebello Islands | Pilbara | [3] |
| 139 | Campbell-Taylor Group | 33°58′14″S 122°53′58″E | | |
| 140 | Canard Island | 33°59′36″S 122°01′15″E | | |
| 141 | Canning Island | 33°55′05″S 121°46′20″E | | |
| 142 | Cap Island (Western Australia) | 33°58′39″S 122°56′11″E | | |
| 143 | Capps Island | 33°59′19″S 121°40′50″E | | |
| 144 | Capstan Island | 14°35′00″S 125°16′08″E | | |
| 145 | Careening Island | 15°30′03″S 124°35′46″E | | |
| 146 | Carey Island (Western Australia) | 20°57′04″S 116°10′28″E | | Pilbara | |
| 147 | Carlia Island | 14°22′19″S 125°59′06″E | | |
| 148 | Carnac Island | 32°07′30″S 115°39′46″E | | Perth region | |
| 149 | Carnation Island | 20°22′45″S 115°31′19″E | Montebello Islands | Pilbara | [3] |
| 150 | Carronade Island | 13°56′42″S 126°36′09″E | | Kimberley | |
| Cartier Island (Ashmore and Cartier Islands) | 12°31′00″S 123°33′00″E | Ashmore Reef | | |
| 151 | Cassini Island | 13°56′50″S 125°37′41″E | | |
| 152 | Casuarina Isles | 35°03′24″S 116°41′43″E | | |
| 153 | Caswell Island | 14°28′12″S 125°11′54″E | | |
| 154 | Cave Island (Western Australia) | 33°58′44″S 122°49′06″E | | |
| 155 | Cecelia Islands | 16°20′15″S 123°34′26″E | | |
| 156 | Cecilia Islands | 16°19′59″S 123°33′47″E | | |
| 157 | Cervantes Islands | 30°31′25″S 115°02′40″E | | |
| 158 | Chambers Island (Western Australia) | 16°16′14″S 123°31′59″E | | |
| 159 | Champagny Island | 15°18′01″S 124°15′59″E | | |
| 160 | Champagny Islands | 15°19′20″S 124°13′12″E | | |
| 161 | Championet Island | 14°30′09″S 125°06′13″E | | |
| 162 | Channel Island (Western Australia) | 32°33′52″S 115°43′05″E | | |
| 163 | Channel Islands (Western Australia) | 20°39′28″S 116°41′39″E | | |
| 164 | Charley Island | 33°55′23″S 121°52′31″E | | |
| 165 | Charlie Island | 26°22′03″S 113°34′07″E | Shark Bay | Gascoyne | |
| 166 | Chatham Island (Western Australia) | 35°01′47″S 116°29′43″E | | Great Southern | |
| 167 | Cheriton Island | 16°30′21″S 123°24′43″E | | |
| 168 | Cherry Island (Western Australia) | 32°11′32″S 121°44′06″E | | |
| 169 | Cheyne Island | 34°36′18″S 118°45′00″E | | |
| 170 | Chinyin Island | 16°07′26″S 128°45′03″E | | |
| 171 | Christmas Island | 10°29′01″S 105°37′16″E | | |
| 172 | Claret Islands | 15°41′39″S 124°22′50″E | | Kimberley | |
| 173 | Clark Island (Western Australia) | 34°56′38″S 116°29′37″E | | |
| 174 | Clarke Islands | 16°23′39″S 123°18′46″E | | |
| 175 | Cleft Island (Western Australia) | 16°02′16″S 123°21′01″E | Buccaneer Archipelago | Kimberley | |
| 176 | Cleghorn Island | 14°22′01″S 125°24′11″E | | |
| 177 | Clerk Island | 14°23′46″S 125°19′05″E | | |
| 178 | Cliff Island (Western Australia) | 34°01′06″S 122°05′10″E | | |
| 179 | Cloud Island | 34°02′42″S 122°05′15″E | | |
| 180 | Cockatoo Island (Western Australia) | 16°05′55″S 123°37′00″E | Buccaneer Archipelago | Kimberley | |
| 181 | Cocos (Keeling) Islands | 12°10′01″S 096°49′18″E | Cocos (Keeling) Islands | |
| 182 | Coffin Island | 35°00′07″S 118°12′46″E | | Great Southern | |
| 183 | Cohen Island | 20°23′14″S 116°48′15″E | | Pilbara | |
| 184 | Colbert Island | 14°52′05″S 124°43′02″E | | |
| 185 | Combe Hill Island | 14°30′11″S 125°20′19″E | | |
| 186 | Combe Island | 14°26′20″S 125°01′49″E | | |
| 187 | Commerson Island | 15°09′12″S 124°39′31″E | | |
| 188 | Condillac Island | 14°06′22″S 125°33′21″E | | |
| 189 | Conilurus Island | 16°09′21″S 123°35′03″E | | |
| 190 | Conway Island (Western Australia) | 15°52′05″S 123°40′16″E | | |
| 191 | Conzinc Island | 20°32′27″S 116°46′32″E | | |
| 192 | Cooleenup Island | 32°34′37″S 115°46′16″E | | |
| 193 | Cooper Island (Western Australia) | 34°13′57″S 123°36′18″E | Recherche Archipelago | |
| 194 | Coorothoo Island | 24°17′54″S 115°32′28″E | Kennedy Range National Park | | Lyons River |
| 195 | Corbett Island | 34°07′07″S 121°58′33″E | | |
| 196 | Cormorant Island (Western Australia) | 20°45′14″S 115°29′21″E | | Pilbara | Barrow Island |
| 197 | Corneille Island | 14°11′07″S 125°43′57″E | | |
| 198 | Cornwall Island (Western Australia) | 34°00′17″S 122°32′18″E | | |
| 199 | Coronation Island (Houtman Abrolhos) | 28°52′14″S 113°59′07″E | Houtman Abrolhos | Mid West | |
| 200 | Coronation Island (Western Australia) | 14°58′46″S 124°55′28″E | | |
| 201 | Coronation Islands | 14°58′13″S 124°55′28″E | | |
| 202 | Corvisart Island | 14°31′59″S 125°00′38″E | | |
| 203 | Cotton Island | 14°54′25″S 124°43′25″E | | |
| 204 | Cowle Island | 21°13′50″S 115°46′38″E | | |
| 205 | Crabbe Island | 15°58′32″S 123°41′25″E | | |
| 206 | Crake Island | 28°44′31″S 113°48′57″E | Houtman Abrolhos | Mid West | |
| 207 | Cranny Island | 33°43′50″S 124°04′39″E | | |
| 208 | Creak Island | 33°56′52″S 122°42′53″E | | |
| 209 | Creery Island | 32°33′53″S 115°43′24″E | | |
| 210 | Crocus Island | 20°25′22″S 115°31′25″E | Montebello Islands | Pilbara | [3] |
| 211 | Crusoe Island | 34°59′13″S 117°25′37″E | | |
| 212 | Cull Island | 33°55′22″S 121°54′07″E | | |
| 213 | Cunningham Island (Western Australia) | 17°34′59″S 118°55′59″E | | |
| 214 | Cuppup Island | 35°00′01″S 117°28′23″E | | |
| 215 | Cussen Island | 16°23′44″S 123°28′01″E | | |
| 216 | Cymo Island | 15°15′10″S 124°25′24″E | | |
| 217 | D'Aguesseau Island | 15°09′50″S 124°32′48″E | | |
| 218 | Dahlia Island | 20°25′48″S 115°34′38″E | Montebello Islands | Pilbara | [3] |
| 219 | Dailey Island | 34°04′34″S 123°07′31″E | | |
| 220 | Daisy Island | 20°26′25″S 115°34′44″E | Montebello Islands | Pilbara | [3] |
| 221 | Dakin Island | 28°28′37″S 113°48′25″E | Houtman Abrolhos | Mid West | |
| 222 | Dalgety Island | 25°07′32″S 115°45′17″E | Kennedy Range National Park | | Thomas River |
| 223 | Dampier Archipelago | 20°22′42″S 116°52′23″E | Dampier Archipelago | |
| 224 | Dampiers Monument | 16°07′36″S 123°26′21″E | | |
| 225 | Dandelion Island | 20°25′59″S 115°34′41″E | Montebello Islands | Pilbara | [3] |
| 226 | D'Arcole Islands | 14°54′46″S 124°40′56″E | | |
| 227 | Darcy Island | 15°20′33″S 124°23′32″E | | Kimberley | |
| 228 | Davis Island (Houtman Abrolhos) (5 Island) | 28°54′53″S 113°52′33″E | Houtman Abrolhos | Mid West | |
| 229 | Davis Island (Western Australia) | 24°54′41″S 115°16′18″E | Kennedy Range National Park | | Gascoyne River |
| 230 | Davy Island | 34°08′09″S 121°55′58″E | | |
| 231 | Daw Island | 33°50′55″S 124°08′04″E | | |
| 232 | De Freycinet Islet | 14°59′23″S 124°31′59″E | | |
| 233 | Dean Island (Western Australia) | 16°23′20″S 123°07′10″E | | |
| 234 | Degerando Island | 15°20′13″S 124°11′31″E | | Kimberley | |
| 235 | Delambre Island | 20°26′52″S 117°04′36″E | | |
| 236 | Delta Island (Western Australia) | 20°26′37″S 115°32′47″E | Montebello Islands | Pilbara | [3] |
| 237 | Dempsey Island | 16°30′25″S 123°25′06″E | | |
| 238 | Depuch Island | 20°37′54″S 117°43′27″E | | Pilbara | |
| 239 | Desaix Islands | 14°53′41″S 124°53′02″E | | |
| 240 | Descartes Island (Western Australia) | 14°10′04″S 125°40′37″E | | |
| 241 | Desfontaines Island | 15°01′21″S 124°51′09″E | | |
| 242 | Diamond Island (Western Australia) | 31°21′04″S 115°31′44″E | | |
| 243 | Dick Island | 34°16′45″S 115°11′07″E | | |
| 244 | Dicks Island | 28°29′51″S 113°45′56″E | Houtman Abrolhos | Mid West | |
| 245 | Direction Island (Cocos (Keeling) Islands) | 12°05′16″S 096°52′55″E | Cocos (Keeling) Islands | |
| 246 | Direction Island (Exmouth Gulf) | 21°32′06″S 115°07′42″E | | Pilbara | |
| 247 | Direction Island (Kimberley coast) | 16°25′40″S 123°08′56″E | | Kimberley | |
| 248 | Dirk Hartog Island | 25°50′36″S 113°03′18″E | Shark Bay | Gascoyne | |
| 249 | Disappearing Island (Houtman Abrolhos) | 28°47′03″S 113°44′23″E | Houtman Abrolhos | Mid West | |
| 250 | Diver Island | 28°52′02″S 113°58′20″E | Houtman Abrolhos | Mid West | |
| 251 | Dixon Island (Western Australia) | 20°37′35″S 117°03′45″E | | |
| 252 | Djarumu Island | 15°19′20″S 124°13′25″E | | |
| 253 | Dolphin Island (Western Australia) | 20°29′43″S 116°51′09″E | Dampier Archipelago | |
| 254 | Dome Island (Western Australia) | 34°09′54″S 123°20′37″E | | |
| 255 | Don Island | 14°16′03″S 125°19′00″E | | |
| 256 | Doole Island | 22°28′23″S 114°09′43″E | | |
| 257 | Doris Island | 16°18′13″S 123°17′33″E | | |
| 258 | Dorney Island | 16°16′48″S 123°24′58″E | | |
| 259 | Dorothy Island | 16°09′11″S 123°31′51″E | | |
| 260 | Dorre Island | 25°03′26″S 113°06′04″E | Shark Bay | Gascoyne | |
| 261 | Dot Island (Western Australia) | 20°26′13″S 115°34′43″E | Montebello Islands | Pilbara | [3] |
| 262 | Double Island (Shark Bay) | 26°24′57″S 113°36′59″E | Shark Bay | Gascoyne | |
| 263 | Double Island (Western Australia) | 20°44′40″S 115°29′30″E | | |
| 264 | Double Island (Western Australia) | 24°40′38″S 116°11′39″E | Kennedy Range National Park | | Thomas River |
| 265 | Doubtful Islands | 34°22′36″S 119°34′38″E | | |
| 266 | Douglas Island (Western Australia) | 34°09′53″S 123°08′22″E | | |
| 267 | Dove Island (Western Australia) | 16°29′46″S 123°22′21″E | | |
| 268 | Downes Island | 20°18′50″S 118°30′46″E | | Pilbara | Near Port Hedland |
| 269 | Draper Island (Western Australia) | 34°11′48″S 122°29′39″E | | |
| 270 | Dry Island | 28°44′22″S 113°46′43″E | Houtman Abrolhos | Mid West | |
| 271 | Duguesclin Island | 15°06′48″S 124°31′53″E | | |
| 272 | Dunvert Island | 16°17′20″S 123°30′52″E | | |
| 273 | Dyer Island (Western Australia) | 32°01′11″S 115°32′56″E | | |
| 274 | Eagle Island (Shark Bay) | 26°05′40″S 113°34′30″E | Shark Bay | Gascoyne | |
| 275 | Eaglehawk Island | 20°39′30″S 116°26′34″E | | Pilbara | |
| 276 | East Governor Island | 13°56′45″S 126°42′15″E | | |
| 277 | East Intercourse Island | 20°39′16″S 116°40′58″E | | |
| 278 | East Island (Ashmore and Cartier Islands) | 12°15′00″S 123°05′00″E | Ashmore Reef | | |
| 279 | East Island (Lacepede Islands) | 16°54′09″S 122°11′45″E | Lacepede Islands | Kimberley | Site of the East Island Lighthouse |
| 280 | East Island (Mary Anne Group) | 21°16′30″S 115°35′44″E | Mary Anne Group. | |
| 281 | East Lewis Island | 20°36′33″S 116°39′32″E | | |
| 282 | East Lyons Island | 25°02′19″S 115°09′24″E | Kennedy Range National Park | | Gascoyne Junction |
| 283 | East Mid Intercourse Island | 20°40′05″S 116°39′59″E | | |
| 284 | East Montalivet Island | 14°16′49″S 125°17′54″E | | Kimberley | |
| 285 | East Moore Island | 20°38′20″S 117°41′23″E | | |
| 286 | East Roe Island | 16°22′08″S 123°13′28″E | | |
| 287 | East Sunday Island | 16°24′41″S 123°12′37″E | | |
| 288 | East Wallabi Island | 28°26′23″S 113°43′33″E | Wallabi Group | Mid West | |
| 289 | Easter Group | 28°44′12″S 113°46′09″E | Houtman Abrolhos | Mid West | |
| 290 | Eastern Group (Western Australia) | 33°43′59″S 124°05′58″E | | |
| 291 | Eastern Island (Houtman Abrolhos) | 28°27′55″S 113°48′42″E | Houtman Abrolhos | Mid West | |
| 292 | Eastern Islands | 28°40′17″S 113°52′11″E | | |
| 293 | Eclipse Hill Island | 13°56′30″S 126°17′03″E | | |
| 294 | Eclipse Island (Western Australia) | 35°11′00″S 117°52′54″E | Great Southern | |
| 295 | Eclipse Islands | 13°54′53″S 126°18′24″E | | |
| 296 | Edeline Islands | 16°22′12″S 123°36′30″E | | Kimberley | |
| 297 | Edwards Island (Western Australia) | 31°01′48″S 115°19′23″E | | |
| 298 | Egg Island (Shark Bay) | 25°54′34″S 113°09′20″E | Shark Bay | Gascoyne | |
| 299 | Egret Island | 20°39′14″S 116°25′46″E | | |
| 300 | Eight Island | 28°53′56″S 113°51′36″E | Houtman Abrolhos | Mid West | |
| 301 | Elbow Island | 34°55′11″S 117°58′33″E | | |
| 302 | Elsie Island (Western Australia) | 14°14′27″S 127°42′24″E | | |
| 303 | Ena Island | 14°58′10″S 125°01′09″E | | |
| 304 | Encounter Islands | 32°38′29″S 115°52′24″E | | |
| 305 | Endeavour Island | 32°35′50″S 115°38′14″E | | |
| 306 | Enderby Island (Western Australia) | 20°36′32″S 116°31′11″E | | |
| 307 | Entrance Island (Western Australia) | 15°16′51″S 124°37′19″E | | |
| 308 | Epsilon Island (Western Australia) | 20°26′45″S 115°34′44″E | Montebello Islands | Pilbara | [3] |
| 309 | Eric Island | 14°15′39″S 127°43′47″E | | |
| 310 | Escape Island | 30°20′03″S 114°59′05″E | | |
| 311 | Etisus Island | 15°14′20″S 124°25′27″E | | |
| 312 | Evelyn Island (Western Australia) | 14°06′39″S 127°34′09″E | | |
| 313 | Fairfax Island | 15°11′05″S 128°06′11″E | | |
| 314 | Fairway Islands | 16°34′33″S 123°18′56″E | | |
| 315 | False Island (Western Australia) | 21°21′27″S 115°26′24″E | | |
| 316 | False Island (Western Australia) | 35°00′54″S 118°10′20″E | | |
| 317 | Far Island | 28°27′40″S 113°48′19″E | Houtman Abrolhos | Mid West | |
| 318 | Farr Islands | 16°27′06″S 123°23′59″E | | |
| 319 | Faure Island | 25°51′22″S 113°53′35″E | Shark Bay | Gascoyne | |
| 320 | Favorite Island | 30°17′03″S 115°00′21″E | | |
| 321 | Fenelon Island | 14°07′53″S 125°41′58″E | | |
| 322 | Figure Of Eight Island | 34°01′41″S 121°36′18″E | | |
| 323 | Finch Islands | 16°08′17″S 123°27′38″E | | |
| 324 | Finger Island | 34°06′15″S 122°20′37″E | | |
| 325 | Finucane Island | 20°18′16″S 118°33′04″E | | Pilbara | Port Hedland |
| 326 | First Sister | 28°28′39″S 113°44′33″E | Houtman Abrolhos | Mid West | |
| 327 | Fisherman Islands | 30°07′50″S 114°56′33″E | | |
| 328 | Flag Island (Western Australia) | 20°27′33″S 115°34′44″E | Montebello Islands | Pilbara | [3] |
| 329 | Flat Island (Western Australia) | 14°09′12″S 125°41′53″E | | |
| 330 | Flat Island (Western Australia) | 21°36′13″S 114°37′13″E | | |
| 331 | Fletcher Islands (Western Australia) | 16°21′10″S 124°20′52″E | | Kimberley | |
| 332 | Flinders Island (Western Australia) | 34°24′54″S 115°12′17″E | | |
| 333 | Flora Island | 16°03′38″S 123°30′50″E | | |
| 334 | Fly Island (Western Australia) | 21°48′24″S 114°32′58″E | | |
| 335 | Foale Island | 28°52′45″S 114°00′20″E | Houtman Abrolhos | Mid West | |
| 336 | Folly Island (Western Australia) | 16°22′46″S 123°25′26″E | | |
| 337 | Fontanes Island | 14°53′37″S 124°55′19″E | | |
| 338 | Forbin Island | 15°04′35″S 124°43′06″E | | |
| 339 | Ford Island (Western Australia) | 25°14′03″S 116°37′20″E | Gascoyne River | |
| 340 | Ford Island (Western Australia) | 33°46′02″S 124°02′22″E | | |
| 341 | Forestier Islands | 20°35′08″S 117°46′16″E | | |
| 342 | Forrest Island | 33°55′03″S 122°42′29″E | Recherche Archipelago | |
| 343 | Fortescue Island | 20°54′31″S 116°02′06″E | | |
| 344 | Fossil Island | 15°19′48″S 128°16′23″E | | |
| 345 | Foxglove Island | 20°29′00″S 115°32′26″E | Montebello Islands | Pilbara | [3] |
| 346 | Fraser Island (Western Australia) | 16°03′28″S 123°21′51″E | Buccaneer Archipelago | Kimberley | |
| 347 | Frazer Island | 22°38′46″S 113°37′36″E | | Pilbara | |
| 348 | Frederick Island | 34°04′02″S 122°00′19″E | | |
| 349 | Free Island | 33°57′19″S 122°24′30″E | | |
| 350 | Freycinet Island | 26°24′26″S 113°37′00″E | Shark Bay | Gascoyne | |
| 351 | Friday Island (Shark Bay) | 26°06′09″S 113°24′09″E | Shark Bay | Gascoyne | |
| 352 | Froggart Island | 14°05′36″S 125°43′27″E | | |
| 353 | Gabriel Island (Western Australia) | 14°05′58″S 125°44′47″E | | |
| 354 | Gadayim Pyramid | 16°03′10″S 124°02′16″E | | |
| 355 | Gagg Islands | 16°10′27″S 123°25′34″E | | |
| 356 | Gaimard Island | 14°26′20″S 125°14′06″E | | |
| 357 | Gale Island | 14°56′03″S 124°55′10″E | | |
| 358 | Gannet Island (Western Australia) | 20°26′52″S 115°34′01″E | Montebello Islands | Pilbara | [3] |
| 359 | Gap Island | 15°19′51″S 124°52′09″E | | |
| 360 | Garden Island (Western Australia) | 32°12′18″S 115°40′24″E | | Perth region | |
| 361 | Gardenia Island | 20°23′02″S 115°31′36″E | Montebello Islands | Pilbara | [3] |
| 362 | Gaze Island | 28°51′50″S 113°59′25″E | Houtman Abrolhos | Mid West | |
| 363 | George Island (Western Australia) | 34°03′07″S 123°15′26″E | | |
| 364 | Geranium Islands | 13°54′31″S 126°35′17″E | | |
| 365 | Gibbings Island | 16°09′11″S 123°30′51″E | | |
| 366 | Gibson Island (Houtman Abrolhos) | 28°41′13″S 113°49′40″E | Houtman Abrolhos | Mid West | |
| 367 | Gibson Island (Western Australia) | 16°18′42″S 123°18′00″E | | |
| 368 | Gidley Island | 20°26′59″S 116°49′10″E | | |
| 369 | Gilbert Island (Houtman Abrolhos) | 28°40′05″S 113°49′34″E | Houtman Abrolhos | Mid West | |
| 370 | Gill Island (Western Australia) | 15°45′53″S 124°45′11″E | | |
| 371 | Glasse Island | 34°25′22″S 119°24′34″E | | |
| 372 | Glauert Island | 15°03′37″S 124°58′18″E | | |
| 373 | Glennie Island | 34°05′49″S 123°06′13″E | | |
| 374 | Gnandaroo Island | 21°57′25″S 114°31′13″E | | |
| 375 | Goat Island (Western Australia) | 16°10′21″S 123°19′11″E | Buccaneer Archipelago | Kimberley | |
| 376 | Godman Island | 33°57′54″S 122°48′10″E | | |
| 377 | Godsmark Island | 16°07′13″S 123°17′36″E | | |
| 378 | Goodwyn Island | 20°32′12″S 116°32′14″E | | |
| 379 | Goongoolup Island | 32°35′27″S 115°45′53″E | | |
| 380 | Goose Island (Western Australia) | 34°04′58″S 123°10′55″E | | |
| 381 | Goose Island (Western Australia) | 35°04′07″S 116°43′39″E | | |
| 382 | Gould Island (Western Australia) | 33°57′56″S 122°51′25″E | | Great Southern | |
| 383 | Governor Islands (Western Australia) | 13°56′36″S 126°41′58″E | | Kimberley | |
| 384 | Granite Island (Western Australia) | 15°29′17″S 124°35′59″E | | |
| 385 | Great Sandy Island (Western Australia) | 21°11′46″S 115°38′16″E | | Pilbara | |
| 386 | Green Island (Rottnest Island) | 32°01′03″S 115°29′50″E | Rottnest Island | Perth region | |
| 387 | Green Island (Kimberley coast) | 15°28′38″S 124°35′57″E | | Kimberley | |
| 388 | Green Island (Ord River) | 15°28′42″S 128°18′55″E | In the Ord River | Kimberley | |
| 389 | Green Island (Western Australia) | 34°59′11″S 117°56′59″E | King George Sound | |
| 390 | Green Islands (Western Australia) | 30°40′57″S 115°06′15″E | | |
| 391 | Green Islands (Western Australia) | 35°07′38″S 117°51′44″E | | |
| 392 | Greenhalgh Island | 16°28′11″S 123°26′24″E | | |
| 393 | Gregory Island (Houtman Abrolhos) | 28°53′55″S 114°00′19″E | Houtman Abrolhos | Mid West | |
| 394 | Gregory Island (Kimberley coast) | 16°18′59″S 123°18′31″E | | Kimberley | |
| 395 | Greville Island | 15°18′19″S 124°51′17″E | | |
| 396 | Grey Island (Western Australia) | 15°03′38″S 124°57′11″E | | Kimberley | |
| 397 | Gulch Island (Western Australia) | 34°01′31″S 123°14′50″E | | Great Southern | |
| 398 | Gun Island | 28°53′17″S 113°51′26″E | Pelsaert Group | Mid West | |
| 399 | Gunton Island | 33°59′18″S 121°59′39″E | | |
| 400 | Guy Reid Island | 16°17′10″S 128°40′28″E | | |
| 401 | Hagan Island | 16°14′06″S 128°47′37″E | | |
| 402 | Hale Island | 14°23′20″S 125°24′42″E | | |
| 403 | Hall Island (Houtman Abrolhos) | 28°28′18″S 113°48′36″E | Houtman Abrolhos | Mid West | |
| 404 | Hamelin Island | 34°13′28″S 115°00′48″E | | |
| 405 | Hancock Island | 16°25′48″S 123°09′18″E | | |
| 406 | Harlequin Island | 34°01′49″S 123°14′09″E | | |
| 407 | Hartley Island | 28°28′42″S 113°43′39″E | | |
| 408 | Hasler Island | 34°06′53″S 123°04′07″E | | |
| 409 | Hastings Island (Western Australia) | 34°05′54″S 122°07′02″E | | Great Southern | |
| 410 | Hauy Island | 20°26′08″S 116°58′01″E | | |
| 411 | Hawick Island | 14°20′14″S 125°22′45″E | | |
| 412 | Haycock Island (Western Australia) | 20°40′01″S 116°37′22″E | | |
| 413 | Hazel Island | 16°30′35″S 123°22′31″E | | |
| 414 | Hecla Island (Western Australia) | 13°58′44″S 125°59′57″E | | Kimberley | |
| 415 | Hedley Island | 14°56′43″S 124°39′50″E | | |
| 416 | Heirisson Island | 31°57′58″S 115°52′50″E | | |
| 417 | Helby Island | 15°14′02″S 128°06′29″E | | |
| 418 | Helipad Island | 16°16′18″S 124°10′05″E | | |
| 419 | Helms Island | 28°40′10″S 113°51′38″E | Houtman Abrolhos | Mid West | |
| 420 | Helpman Islands | 16°43′11″S 123°36′50″E | | Kimberley | |
| 421 | Hendy Island | 34°02′55″S 121°53′05″E | | |
| 422 | Heney Island | 16°29′54″S 123°22′51″E | | |
| 423 | Henrietta Islands | 16°24′54″S 123°38′45″E | | |
| 424 | Herbert Islands | 16°27′31″S 123°25′01″E | | |
| 425 | Hermite Island | 20°28′04″S 115°31′23″E | Montebello Islands | Pilbara | [3] |
| 426 | Heywood Island (Western Australia) | 15°20′27″S 124°19′21″E | | Kimberley | |
| 427 | Heywood Islands | 15°20′27″S 124°19′21″E | | Pilbara | |
| Hibernia Reef | | Ashmore Reef | |
| 428 | Hidden Island | 16°13′32″S 123°28′03″E | Buccaneer Archipelago | Kimberley | |
| 429 | High Cliffy Islands | 15°54′33″S 124°20′31″E | | Kimberley | |
| 430 | High Island (Western Australia) | 16°21′09″S 123°20′12″E | | |
| 431 | High Island (Western Australia) | 33°54′50″S 122°35′55″E | | |
| 432 | Hollyhock Island (Western Australia) | 20°22′43″S 115°32′46″E | Montebello Islands | Pilbara | [3] |
| 433 | Holtham Island | 16°26′55″S 123°06′26″E | | |
| 434 | Home Island (Pulu Selma) | 12°07′04″S 096°53′44″E | Cocos (Keeling) Islands | |
| 435 | Honeymoon Island (Western Australia) | 34°59′31″S 117°20′35″E | | |
| 436 | Hood Island (Western Australia) | 34°08′34″S 122°02′53″E | Recherche Archipelago | |
| 437 | Hope Island (Western Australia) | 22°10′16″S 114°28′07″E | | |
| 438 | Hope Island (Western Australia) | 34°04′46″S 122°09′42″E | | |
| 439 | Horan Island | 16°11′39″S 128°42′14″E | | |
| 440 | Horatio Island | 34°30′17″S 119°17′19″E | | |
| 441 | Horsburgh Island | 12°17′36″S 096°50′20″E | Cocos (Keeling) Islands | |
| 442 | Houtman Abrolhos | 28°43′06″S 113°47′03″E | Houtman Abrolhos | Mid West | |
| 443 | How Island | 20°25′14″S 115°33′09″E | Montebello Islands | Pilbara | [3] |
| 444 | Howard Island (Western Australia) | 16°23′17″S 123°04′03″E | | |
| 445 | Howe Island (Western Australia) | 34°08′57″S 122°01′16″E | | |
| 446 | Hugo Island (Western Australia) | 34°08′45″S 122°18′56″E | | Esperance |
| 447 | Hull Island (Western Australia) | 33°58′06″S 122°50′32″E | | |
| 448 | Hummock Island (Houtman Abrolhos) | 28°48′02″S 114°02′20″E | Houtman Abrolhos | Mid West | |
| 449 | Hummock Island (Western Australia) | 28°44′11″S 111°53′35″E | | Mid West | about 200 km west of Houtman Abrolhos |
| 450 | Hunt Island | 16°24′05″S 123°13′31″E | | |
| 451 | Hutchison Islands | 26°06′47″S 114°14′05″E | Shark Bay | Gascoyne | |
| 452 | Ibis Island (Western Australia) | 32°36′16″S 115°38′54″E | | |
| 453 | Imp Island (Western Australia) | 16°22′57″S 123°08′15″E | | Kimberley | King Sound |
| 454 | Ina Island | 15°00′21″S 128°06′51″E | | |
| 455 | Inner Island | 35°00′16″S 118°09′37″E | | |
| 456 | Inshore Island | 33°55′00″S 122°49′38″E | | |
| 457 | Institut Islands | 14°08′27″S 125°41′09″E | | |
| 458 | Intercourse Island | 20°39′16″S 116°38′40″E | | |
| 459 | Interview Island (Western Australia) | 20°39′16″S 116°38′40″E | | |
| 460 | Investigator Island | 34°02′59″S 120°53′59″E | | |
| 461 | Iredale Island | 14°54′49″S 124°40′56″E | | |
| 462 | Iris Refuge Island | 28°52′48″S 114°00′16″E | Houtman Abrolhos | Mid West | |
| 463 | Iron Islands (Western Australia) | 16°10′04″S 123°47′41″E | | |
| 464 | Irvine Island | 16°04′35″S 123°32′14″E | Buccaneer Archipelago | Kimberley | |
| 465 | Islam Islets | 22°13′16″S 114°25′37″E | | |
| 466 | Ivy Island | 20°29′42″S 115°32′35″E | Montebello Islands | Pilbara | [3] |
| 467 | Jacks Island | 34°59′13″S 117°21′40″E | | |
| 468 | Jackson Island (Houtman Abrolhos) | 28°52′17″S 114°00′10″E | Houtman Abrolhos | Mid West | |
| 469 | Jackson Island (Western Australia) | 15°10′11″S 124°38′39″E | | |
| 470 | Jackson Island (Western Australia) | 16°25′43″S 123°06′13″E | | |
| 471 | Jar Island | 14°09′12″S 126°14′04″E | | |
| 472 | Jarman Island | 20°39′35″S 117°12′58″E | | |
| 473 | Jeegarnyeejip Island | 32°34′53″S 115°46′20″E | | |
| 474 | Jennala Island | 32°34′27″S 115°45′48″E | | |
| 475 | Joe Smith Island | 28°40′55″S 113°51′28″E | Houtman Abrolhos | Mid West | |
| 476 | John Island | 33°55′16″S 122°36′23″E | | |
| 477 | Jon Jim Island | 28°59′14″S 113°57′34″E | Houtman Abrolhos | Mid West | |
| 478 | Jones Island (Western Australia) | 13°45′29″S 126°21′31″E | | |
| 479 | Jonquil Island | 20°23′54″S 115°31′51″E | Montebello Islands | Pilbara | [3] |
| 480 | Josey Island | 16°14′26″S 128°46′30″E | | |
| 481 | Joshuah Island | 32°00′24″S 115°46′51″E | | |
| 482 | Jungulu Island | 15°17′59″S 124°23′48″E | Bonaparte Archipelago | Kimberley | |
| 483 | Jussieu Island | 14°42′53″S 124°58′34″E | | Kimberley | |
| 484 | Kangaroo Island (Shark Bay) | 26°19′09″S 113°29′58″E | Shark Bay | Gascoyne | |
| 485 | Kanggurryu Island | 14°43′24″S 128°37′57″E | | |
| 486 | Kankanmengarri Island | 14°22′32″S 125°40′29″E | | |
| 487 | Kannamatju Island | 15°27′36″S 124°29′27″E | | |
| 488 | Karangi Island | 20°26′05″S 115°36′07″E | Montebello Islands | Pilbara | [3] |
| 489 | Kartja Island | 14°51′51″S 125°10′44″E | | |
| 490 | Katers Island | 14°28′03″S 125°31′55″E | | |
| 491 | Kathleen Island | 16°03′59″S 123°33′18″E | | |
| 492 | Keast Island | 20°23′24″S 116°49′48″E | | |
| 493 | Kendrew Island | 20°28′44″S 116°32′11″E | | |
| 494 | Kent Island (Western Australia) | 15°09′29″S 128°06′48″E | | |
| 495 | Keraudren Island | 14°56′33″S 124°41′02″E | | Kimberley | |
| 496 | Kermadec Island | 34°05′21″S 122°49′58″E | | |
| 497 | Keru Island | 28°43′34″S 113°49′57″E | Houtman Abrolhos | Mid West | |
| 498 | Kessel Island | 16°29′26″S 123°21′39″E | | |
| 499 | Kid Island | 15°39′55″S 124°23′59″E | | |
| 500 | Kidney Island (Western Australia) | 14°19′53″S 125°58′47″E | | |
| 501 | Kilfoyle Island | 16°13′25″S 128°46′47″E | | |
| 502 | Kim Island | 13°52′51″S 126°35′25″E | | |
| 503 | Kimberley Island | 33°57′02″S 122°28′02″E | | |
| 504 | King Hall Island | 16°04′52″S 123°24′29″E | Buccaneer Archipelago | Kimberley | |
| 505 | King Island (Western Australia) | 15°52′28″S 123°38′05″E | | |
| 506 | Kingcup Island | 20°23′30″S 115°31′50″E | Montebello Islands | Pilbara | [3] |
| 507 | Kingfisher Island | 16°06′05″S 124°04′47″E | | |
| 508 | Kingfisher Islands | 16°05′49″S 124°04′46″E | | |
| 509 | Kingsmill Islands (Western Australia) | 14°10′00″S 125°46′43″E | | |
| 510 | Koks Island | 24°45′02″S 113°09′33″E | Shark Bay | Gascoyne | |
| 511 | Kolganu Island | 16°23′55″S 123°09′38″E | | |
| 512 | Koojarra Island | 13°47′42″S 126°35′21″E | | |
| 513 | Koolan Island | 16°07′31″S 123°44′18″E | Buccaneer Archipelago | Kimberley | |
| 514 | Kuntjumal Kutangari Island | 14°13′44″S 125°47′46″E | | |
| 515 | Lacepede Islands | 16°52′11″S 122°09′30″E | Lacepede Islands | Kimberley | |
| 516 | Lachlan Island | 16°37′24″S 123°30′55″E | | |
| 517 | Lacrosse Island | 14°44′49″S 128°18′10″E | | |
| 518 | Lady Nora Island | 20°27′27″S 116°37′36″E | | |
| 519 | Lafontaine Island | 14°09′44″S 125°47′16″E | | |
| 520 | Lagoon Island (Houtman Abrolhos) | 28°52′22″S 113°59′39″E | Houtman Abrolhos | Mid West | |
| 521 | Lagoon Island | 16°19′41″S 128°40′41″E | | |
| 522 | Lagrange Island | 14°12′43″S 125°45′55″E | | |
| 523 | Lake Island | 31°45′17″S 115°47′19″E | | |
| 524 | Lalowan Island | 16°26′22″S 123°08′46″E | | |
| 525 | Lamarck Island | 14°47′03″S 125°01′30″E | | Kimberley | |
| 526 | Lammas Island | 15°18′55″S 124°51′40″E | | |
| 527 | Lancelin Island | 31°00′27″S 115°18′53″E | | |
| 528 | Laplace Island (Western Australia) | 14°11′26″S 125°39′28″E | | Kimberley | |
| 529 | Large Island (Western Australia) | 21°17′47″S 115°30′02″E | | |
| 530 | Laseron Island | 15°13′52″S 124°31′02″E | | |
| 531 | Latirus Island | 15°13′52″S 124°31′22″E | | |
| 532 | Lauangi Island | 14°10′37″S 125°40′04″E | | |
| 533 | Lavoisier Island (Western Australia) | 14°13′24″S 125°38′26″E | | |
| 534 | Ledge Islet | 34°51′13″S 116°05′52″E | | |
| 535 | Lefebre Island | 26°13′50″S 113°30′25″E | Shark Bay | Gascoyne | |
| 536 | Legendre Island | 20°23′21″S 116°52′44″E | | |
| 537 | Leila Island | 16°30′28″S 123°22′55″E | | |
| 538 | Leo Island | 28°41′22″S 113°51′36″E | Houtman Abrolhos | Mid West | |
| 539 | Leonie Island | 16°24′49″S 123°05′36″E | | |
| 540 | Lesueur Island | 13°49′11″S 127°16′10″E | | |
| 541 | Leveque Island | 16°23′10″S 122°55′25″E | | |
| 542 | Libke Island | 34°13′15″S 122°04′03″E | | |
| 543 | Lichen Island | 33°54′12″S 122°58′13″E | | |
| 544 | Lily Island | 20°25′15″S 115°35′07″E | Montebello Islands | Pilbara | [3] |
| 545 | Lion Island (Western Australia) | 33°52′47″S 122°01′20″E | | |
| 546 | Lion Islands | 34°18′27″S 115°09′41″E | | |
| 547 | Lipfert Island | 30°01′28″S 114°57′32″E | | |
| 548 | Little Island (Western Australia) | 31°48′47″S 115°42′25″E | | |
| 549 | Little Island (Western Australia) | 34°27′28″S 121°59′19″E | | |
| 550 | Little North Island | 28°37′51″S 113°52′53″E | Houtman Abrolhos | Mid West | |
| 551 | Little Pigeon Island | 28°27′49″S 113°43′20″E | Houtman Abrolhos | Mid West | |
| 552 | Little Rabbit Island | 34°58′53″S 117°24′21″E | | |
| 553 | Little Rat Island | 28°43′41″S 113°47′07″E | Houtman Abrolhos | Mid West | |
| 554 | Little Rocky Island | 21°26′03″S 115°24′44″E | | |
| 555 | Little Roma Island | 28°44′07″S 113°46′51″E | Houtman Abrolhos | Mid West | |
| 556 | Little Turtle Island | 20°01′13″S 118°48′30″E | | Pilbara | |
| 557 | Little Yunderup Island | 32°35′28″S 115°45′43″E | | |
| 558 | Livingstone Island | 16°26′35″S 123°06′33″E | | |
| 559 | Lizard Island (Western Australia) | 15°55′56″S 124°25′11″E | | |
| 560 | Locker Island | 21°42′59″S 114°45′56″E | | |
| 561 | Long Island (Houtman Abrolhos) | 28°28′20″S 113°46′21″E | Wallabi Group | Mid West | |
| 562 | Long Island (Western Australia) | 13°57′36″S 126°18′23″E | | |
| 563 | Long Island (Buccaneer Archipelago) | 16°34′26″S 123°22′11″E | Buccaneer Archipelago | Kimberley | |
| 564 | Long Island (Western Australia) | 21°00′51″S 115°50′59″E | | |
| 565 | Long Island (Western Australia) | 21°47′37″S 119°25′38″E | | |
| 566 | Long Island (Western Australia) | 34°02′57″S 121°57′42″E | | |
| 567 | Longitude Island | 16°03′34″S 123°24′01″E | Buccaneer Archipelago | Kimberley | |
| 568 | Lord Island | 16°09′02″S 123°26′55″E | | |
| 569 | Lorraine Island | 33°57′00″S 122°33′46″E | | |
| 570 | Louis Islands | 13°59′55″S 126°32′40″E | | |
| 571 | Louis Islands | 14°00′27″S 126°32′23″E | | |
| 572 | Low Island (Western Australia) | 14°09′53″S 126°17′27″E | | |
| 573 | Low Island (Western Australia) | 20°41′32″S 116°34′29″E | | |
| 574 | Lowendal Islands | 20°38′56″S 115°34′17″E | | |
| 575 | Lucas Island (Western Australia) | 15°12′31″S 124°29′21″E | | |
| 576 | Lulim Island | 15°32′43″S 124°24′41″E | | |
| 577 | Mably Island | 14°57′03″S 124°52′57″E | | |
| 578 | Mac Mahon Island | 16°30′02″S 123°21′42″E | | |
| 579 | Mackenzie Island (Western Australia) | 34°11′53″S 122°06′13″E | | |
| 580 | Macleay Island (Western Australia) | 15°56′41″S 123°41′28″E | | |
| 581 | Macleay Islands | 15°53′17″S 123°39′19″E | | |
| 582 | Malcolm Island (Western Australia) | 14°31′19″S 125°54′13″E | | |
| 583 | Malup Island | 31°44′12″S 115°46′55″E | | |
| 584 | Malus Islands | 20°31′08″S 116°40′24″E | | |
| 585 | Man On Rock Islet | 20°23′59″S 115°31′51″E | | |
| 586 | Mangrove Group | 28°52′16″S 113°58′21″E | | |
| 587 | Mangrove Islands | 21°30′05″S 115°21′15″E | | |
| 588 | Mangrove Point | 15°47′58″S 124°38′51″E | | |
| 589 | Manicom Island | 34°06′49″S 123°01′45″E | | |
| 590 | Mardie Island | 20°57′52″S 115°58′55″E | | |
| 591 | Maret Islands | 14°24′35″S 124°58′31″E | | |
| 592 | Margaret Island (Western Australia) | 16°22′30″S 123°23′34″E | | |
| 593 | Marigold Island | 20°27′33″S 115°33′14″E | Montebello Islands | Pilbara | [3] |
| 594 | Marinula Island | 28°28′31″S 113°41′57″E | Houtman Abrolhos | Mid West | |
| 595 | Marndungum Island | 15°55′42″S 124°19′26″E | | |
| 596 | Mart Islands | 34°00′11″S 122°37′53″E | | |
| 597 | Mary Anne Group | 21°17′47″S 115°29′56″E | | |
| 598 | Mary Anne Island (Shark Bay) | 26°29′06″S 113°40′59″E | Shark Bay | Gascoyne | |
| 599 | Mary Anne Island | 21°15′48″S 115°27′41″E | | Pilbara | |
| 600 | Mary Durack Island | 16°19′41″S 128°41′09″E | | |
| 601 | Mary Island North | 17°15′54″S 123°32′43″E | | |
| 602 | Mary Island South | 17°18′37″S 123°32′43″E | | |
| 603 | Mary Island (Western Australia) | 13°59′49″S 126°22′47″E | | Kimberley | |
| 604 | Mary Islands | 16°22′03″S 123°29′45″E | | |
| 605 | Mawby Island | 20°31′15″S 116°41′34″E | | |
| 606 | Mcculloch Island | 14°56′10″S 124°40′23″E | | |
| 607 | Mcintyre Island | 15°59′16″S 123°32′13″E | | |
| 608 | Meade Island | 26°00′05″S 113°11′57″E | Shark Bay | Gascoyne | |
| 609 | Meeyip Island | 32°34′48″S 115°45′49″E | | |
| 610 | Melomys Island | 16°09′04″S 124°04′48″E | | |
| 611 | Mermaid Island | 16°26′01″S 123°21′03″E | | |
| 612 | Miawaja Island | 15°12′52″S 124°24′38″E | | |
| 613 | Michaelmas Island | 35°02′39″S 118°02′09″E | | |
| 614 | Mictyis Island | 15°12′39″S 124°47′53″E | | |
| 615 | Mid Lyons Island | 25°02′08″S 115°08′23″E | Kennedy Range National Park | | Gascoyne Junction |
| Middle Island (Ashmore and Cartier Islands) | 12°15′00″S 123°05′00″E | Ashmore Reef | | |
| 616 | Middle Island (Houtman Abrolhos) | 28°54′31″S 113°54′36″E | Pelsaert Group | Mid West | |
| 617 | Middle Island (Lacepede Islands) | 16°51′29″S 122°08′13″E | Lacepede Islands | Kimberley | |
| 618 | Middle Island (Western Australia) | 16°26′55″S 123°05′02″E | | |
| 619 | Middle Island (Western Australia) | 20°54′31″S 115°19′36″E | | |
| 620 | Middle Island (Recherche Archipelago) | 34°06′04″S 123°11′20″E | Recherche Archipelago | |
| 621 | Middle Mangrove Island | 21°28′47″S 115°21′11″E | | |
| 622 | Middle Mary Anne Island | 21°17′36″S 115°34′14″E | | Pilbara | |
| 623 | Middle Osborn Island | 14°19′36″S 126°00′20″E | | |
| 624 | Middle Passage Island | 21°02′58″S 115°50′16″E | | |
| 625 | Midway Island (Western Australia) | 15°16′57″S 124°52′00″E | | |
| 626 | Migo Island | 35°04′20″S 117°38′48″E | | |
| 627 | Miles Island | 34°04′04″S 123°13′53″E | | |
| 628 | Milligan Island | 30°02′16″S 114°57′18″E | | |
| 629 | Mistaken Island | 20°39′19″S 116°39′42″E | | |
| 630 | Mistaken Island | 35°03′49″S 117°56′34″E | | |
| 631 | Molema Island | 16°15′37″S 123°54′10″E | | |
| 632 | Moliere Island | 14°13′46″S 125°49′33″E | | |
| 633 | Molloy Island | 34°16′09″S 115°12′26″E | | |
| 634 | Mondrain Island | 34°08′14″S 122°14′43″E | Recherche Archipelago | |
| 635 | Monge Island | 14°12′30″S 125°36′30″E | | |
| 636 | Monsmont Island | 16°17′50″S 128°42′00″E | | |
| 637 | Montebello Islands | 20°26′10″S 115°31′41″E | | | An archipelago of around 174 small islands |
| 638 | Montesquieu Islands | 14°06′15″S 125°43′54″E | | |
| 639 | Montgomery Islands | 15°57′38″S 124°12′18″E | | |
| 640 | Morley Island | 28°44′47″S 113°48′45″E | Easter Group | Mid West | |
| 641 | Morrisey Island | 16°31′46″S 123°24′33″E | | |
| 642 | Muddle Islands | 16°23′12″S 123°26′29″E | | |
| 643 | Muir Island (Western Australia) | 16°03′39″S 124°02′08″E | | |
| 644 | Muiron Islands | 21°40′08″S 114°20′32″E | | |
| 645 | Mulgudna Island | 16°03′14″S 124°18′20″E | | Kimberley | |
| 646 | Murrangingi Island | 14°21′31″S 125°34′38″E | | |
| 647 | Murrara Island | 14°59′41″S 125°14′27″E | | |
| 648 | Murray Island (Houtman Abrolhos) | 28°53′53″S 113°53′47″E | Houtman Abrolhos | Mid West | |
| 649 | Museums Island | 14°56′57″S 124°45′08″E | | |
| 650 | Mushroom Island | 20°43′26″S 115°28′56″E | | |
| 651 | Myres Island | 14°34′28″S 125°53′12″E | | |
| 652 | Nalamdarim Island | 16°14′56″S 128°42′44″E | | |
| 653 | Nares Island | 33°56′01″S 122°35′35″E | | |
| 654 | New Island (Western Australia) | 34°01′09″S 122°08′28″E | | |
| 655 | New Year Island (Western Australia) | 33°51′26″S 124°07′32″E | | |
| 656 | Newbold Island | 28°52′54″S 114°00′19″E | Houtman Abrolhos | Mid West | |
| 657 | Newdegate Island | 35°00′34″S 116°42′31″E | | |
| 658 | Newman Island (Houtman Abrolhos) | 28°51′48″S 113°59′42″E | Houtman Abrolhos | Mid West | |
| 659 | Ngalanguru Island | 15°54′36″S 124°20′31″E | | |
| 660 | Nglayu Island | 14°21′13″S 125°42′38″E | | |
| 661 | Nook Island | 28°51′58″S 113°59′57″E | Houtman Abrolhos | Mid West | |
| 662 | North East Regnard Island | 20°46′31″S 116°18′28″E | | |
| 663 | North East Twin Island | 21°30′38″S 115°12′55″E | | |
| 664 | North Eclipse Island | 13°52′43″S 126°18′26″E | | |
| 665 | North Guano Island | 26°31′59″S 113°41′25″E | Shark Bay | Gascoyne | |
| 666 | North Hummocks | 16°13′34″S 128°45′13″E | | |
| 667 | North Island (Houtman Abrolhos) | 28°18′09″S 113°35′41″E | Houtman Abrolhos | Mid West | |
| 668 | North Island (Mangrove Islands) | 21°27′22″S 115°22′07″E | | |
| 669 | North Kangaroo Island | 26°17′57″S 113°30′11″E | Shark Bay | Gascoyne | |
| 670 | North Keeling Island | 11°48′52″S 096°49′28″E | Cocos (Keeling) Islands | |
| 671 | North Muiron Island | 21°38′18″S 114°22′25″E | | |
| 672 | North Sandy Island | 21°06′17″S 115°39′03″E | | |
| 673 | North Tail | 30°16′20″S 114°58′08″E | | |
| 674 | North Turtle Island | 19°53′25″S 118°53′44″E | | Pilbara | |
| 675 | North Twin Peak Island | 33°59′27″S 122°50′18″E | | |
| 676 | North West Island (Western Australia) | 20°21′50″S 115°31′27″E | Montebello Islands | Pilbara | [3] |
| 677 | North West Twin Island | 16°16′41″S 123°03′34″E | | |
| 678 | Numanbu Island | 15°19′53″S 124°12′38″E | | |
| 679 | Numbered Islands | 28°54′24″S 113°52′16″E | | |
| 680 | Nuyts Archipelago | 32°23′00″S 113°37′00″E | | |
| 681 | Observation Island (Western Australia) | 21°44′26″S 114°32′26″E | | |
| 682 | Observatory Island | 33°55′27″S 121°47′31″E | Recherche Archipelago | |
| 683 | Okenia Island | 15°13′54″S 124°29′01″E | | |
| 684 | Oliver Island (Western Australia) | 14°05′38″S 125°44′23″E | | Kimberley | |
| 685 | Onad Island | 16°22′13″S 124°27′03″E | | |
| 686 | One Tree Island (Western Australia) | 15°20′31″S 124°44′48″E | | |
| 687 | Osborn Islands | 14°16′22″S 126°02′02″E | | |
| 688 | Osprey Island | 30°18′39″S 114°59′40″E | | |
| 689 | Otway Island | 15°16′07″S 128°06′20″E | | |
| 690 | Owen Island | 34°02′30″S 123°14′08″E | | |
| 691 | Oystercatcher Island | 28°27′48″S 113°42′47″E | Houtman Abrolhos | Mid West | |
| 692 | Pack Island | 16°30′50″S 123°24′31″E | | |
| 693 | Packer Island | 16°34′10″S 122°47′19″E | | Kimberley | |
| 694 | Packer Islands | 16°17′33″S 123°28′40″E | | |
| 695 | Pansy Island | 20°22′30″S 115°32′35″E | Montebello Islands | Pilbara | [3] |
| 696 | Panton Island | 15°15′50″S 128°14′26″E | | |
| 697 | Parakeelya Island | 20°37′56″S 115°31′11″E | | Pilbara | Barrow Island |
| 698 | Parakeet Island | 31°59′18″S 115°30′45″E | | |
| 699 | Parrot Island | 26°24′45″S 113°30′09″E | Shark Bay | Gascoyne | |
| 700 | Parry Island (Western Australia) | 14°19′20″S 125°45′53″E | | |
| 701 | Pascal Island (Western Australia) | 14°04′08″S 125°38′59″E | | Kimberley | |
| 702 | Pasco Island | 16°31′10″S 123°23′19″E | | |
| 703 | Pasco Island | 20°57′40″S 115°20′17″E | | |
| 704 | Pasco Island | 34°03′54″S 122°06′10″E | | |
| 705 | Pasley Island | 34°00′44″S 123°31′49″E | | |
| 706 | Passage Island (Western Australia) | 21°06′23″S 115°47′04″E | | |
| 707 | Passage Islands (Western Australia) | 21°00′44″S 115°50′52″E | | |
| 708 | Patricia Island | 14°15′34″S 125°18′27″E | | |
| 709 | Peak Island (Western Australia) | 21°36′07″S 114°30′27″E | | |
| 710 | Peak Island (Western Australia) | 34°13′00″S 115°01′06″E | | |
| 711 | Pearson Islands | 34°12′18″S 122°20′48″E | | |
| 712 | Pecked Island | 16°31′30″S 123°26′24″E | | |
| 713 | Pelican Island (Albany coast) | 34°59′38″S 117°23′41″E | | |
| 714 | Pelican Island (Houtman Abrolhos) | 28°27′36″S 113°40′34″E | Houtman Abrolhos | Mid West | |
| 715 | Pelican Island (Kimberley coast) | 14°46′10″S 128°46′26″E | | Kimberley | |
| 716 | Pelican Island (Shark Bay) | 25°51′12″S 114°00′48″E | Shark Bay | Gascoyne | |
| 717 | Pell Creek Island | 25°13′55″S 115°32′25″E | Kennedy Range National Park | | Thomas River |
| 718 | Pelsaert Group | 28°54′18″S 113°54′43″E | Pelsaert Group | Mid West | |
| 719 | Pelsaert Island | 28°55′45″S 113°58′27″E | Pelsaert Group | Mid West | |
| 720 | Pemberton Island | 20°39′48″S 116°57′02″E | | |
| 721 | Penguin Island (Western Australia) | 32°18′23″S 115°41′20″E | | |
| 722 | Picard Island (Western Australia) | 20°40′56″S 117°15′47″E | | |
| 723 | Pigeon Island (Houtman Abrolhos) | 28°27′18″S 113°43′34″E | Houtman Abrolhos | Mid West | |
| 724 | Plover Island | 28°28′05″S 113°42′43″E | Houtman Abrolhos | Mid West | |
| 725 | Pointer Island | 33°43′21″S 124°05′46″E | | |
| 726 | Poolngin Island | 16°23′36″S 123°08′58″E | | |
| 727 | Pope Island | 16°10′44″S 123°20′21″E | | |
| 728 | Pope Island | 16°29′35″S 123°21′51″E | | |
| 729 | Post Office Island | 28°51′53″S 113°58′28″E | Houtman Abrolhos | Mid West | |
| 730 | Potter Island | 20°56′21″S 116°09′01″E | | |
| 731 | Powerful Island | 16°05′57″S 123°25′50″E | Buccaneer Archipelago | Kimberley | |
| 732 | Preston Island | 20°49′38″S 116°11′32″E | | |
| 733 | Primrose Island | 20°22′19″S 115°30′52″E | Montebello Islands | Pilbara | [3] |
| 734 | Prince Island (Western Australia) | 15°13′18″S 128°12′16″E | | Kimberley | |
| 735 | Prince Island | 20°43′41″S 115°28′30″E | | |
| 736 | Prison Island (Western Australia) | 12°06′12″S 096°53′11″E | Cocos (Keeling) Islands | |
| 737 | Prudhoe Island | 14°25′18″S 125°15′46″E | | |
| 738 | Prudhoe Islands | 14°25′14″S 125°15′29″E | | |
| 739 | Pulu Ampang Kechil | 12°07′28″S 096°54′24″E | Cocos (Keeling) Islands | |
| 740 | Pulu Ampang | 12°07′38″S 096°54′30″E | Cocos (Keeling) Islands | |
| 741 | Pulu Belan Madar | 12°12′03″S 096°52′56″E | Cocos (Keeling) Islands | |
| 742 | Pulu Belan | 12°11′50″S 096°52′42″E | Cocos (Keeling) Islands | |
| 743 | Pulu Belekok | 12°07′53″S 096°54′32″E | Cocos (Keeling) Islands | |
| 744 | Pulu Cheplok | 12°08′12″S 096°54′49″E | Cocos (Keeling) Islands | |
| 745 | Pulu Gangsa | 12°06′20″S 096°53′15″E | Cocos (Keeling) Islands | |
| 746 | Pulu Jembatan | 12°08′45″S 096°54′59″E | Cocos (Keeling) Islands | |
| 747 | Pulu Kambing | 12°11′40″S 096°50′56″E | Cocos (Keeling) Islands | |
| 748 | Pulu Kembang | 12°08′00″S 096°54′37″E | Cocos (Keeling) Islands | |
| 749 | Pulu Labu | 12°09′27″S 096°55′05″E | Cocos (Keeling) Islands | |
| 750 | Pulu Maria | 12°11′57″S 096°51′56″E | Cocos (Keeling) Islands | |
| 751 | Pulu Pandan | 12°08′50″S 096°55′10″E | Cocos (Keeling) Islands | |
| 752 | Pulu Pasir | 12°05′42″S 096°53′11″E | Cocos (Keeling) Islands | |
| Pulu Selma (Home Island) | 12°07′04″S 096°53′44″E | Cocos (Keeling) Islands | |
| 753 | Pulu Siput | 12°09′13″S 096°55′04″E | Cocos (Keeling) Islands | |
| 754 | Pulu Wak Banka | 12°08′35″S 096°55′02″E | Cocos (Keeling) Islands | |
| 755 | Pulu Wak Idas | 12°07′45″S 096°54′31″E | Cocos (Keeling) Islands | |
| 756 | Pumpkin Islands | 16°16′45″S 128°43′41″E | | |
| 757 | Pup Island | 21°09′41″S 115°39′15″E | | Pilbara | |
| 758 | Purrungku Island | 14°38′32″S 125°13′40″E | | |
| 759 | Pyrene Island | 15°15′26″S 124°24′09″E | | |
| 760 | Quagering Island | 34°51′01″S 115°59′38″E | | |
| 761 | Quartermaine Island | 20°28′17″S 116°37′22″E | | |
| 762 | Queen Island | 14°35′39″S 125°04′17″E | | |
| 763 | Quoy Island | 14°25′35″S 125°14′24″E | | |
| 764 | Rabbit Island (Western Australia) | 33°54′54″S 121°53′31″E | | |
| 765 | Rabbit Island (Western Australia) | 34°59′00″S 117°24′23″E | | |
| 766 | Racine Island | 14°15′56″S 125°49′34″E | | |
| 767 | Ram Island (Western Australia) | 34°01′55″S 122°08′29″E | | |
| 768 | Randall Island | 14°08′37″S 125°34′39″E | | |
| 769 | Rankin Island | 16°19′19″S 124°23′23″E | | |
| 770 | Rat Island (Houtman Abrolhos) | 28°42′56″S 113°47′02″E | Easter Group | Mid West | |
| 771 | Rat Island (Western Australia) | 16°24′05″S 123°07′07″E | | |
| 772 | Rathbun Island | 14°55′54″S 124°40′40″E | | |
| 773 | Razor Islands | 16°27′05″S 123°33′08″E | | |
| 774 | Red Island (Western Australia) | 13°54′06″S 126°06′13″E | | |
| Recherche Archipelago | 34°12′14″S 122°20′54″E | Recherche Archipelago | |
| 775 | Red Island (Western Australia) | 15°12′49″S 124°15′30″E | | |
| 776 | Red Island (Western Australia) | 33°52′21″S 121°20′55″E | | |
| 777 | Red Island (Western Australia) | 34°02′13″S 119°46′58″E | | |
| 778 | Red Islet | 18°42′04″S 121°41′37″E | | |
| 779 | Reef Island | 20°28′18″S 117°55′24″E | | Pilbara | |
| 780 | Rees Island | 16°23′13″S 123°06′16″E | | |
| 781 | Remark Island | 34°03′52″S 121°59′03″E | | |
| 782 | Remote Island | 16°17′47″S 128°45′09″E | | |
| 783 | Reveley Island | 14°22′11″S 127°48′45″E | | |
| 784 | Richards Island (Western Australia) | 35°04′33″S 117°38′52″E | | |
| 785 | Ridley Island | 31°56′26″S 116°24′52″E | | |
| 786 | Ripon Island | 20°06′29″S 119°11′58″E | | |
| 787 | Rivoli Islands | 21°56′26″S 114°27′12″E | | |
| 788 | Rob Island | 34°02′02″S 122°13′55″E | | |
| 789 | Roberts Island | 16°06′41″S 123°45′59″E | | |
| 790 | Roberts Island | 22°25′09″S 114°11′01″E | | |
| 791 | Robertson Island (Houtman Abrolhos) | 28°52′58″S 114°00′20″E | Houtman Abrolhos | Mid West | |
| 792 | Rocky Island (Western Australia) | 14°05′46″S 127°32′50″E | | |
| 793 | Rocky Island (Western Australia) | 21°32′31″S 119°20′10″E | | |
| 794 | Rocky Island (Western Australia) | 34°04′54″S 115°21′04″E | | |
| 795 | Rocky Islands | 15°07′25″S 124°30′44″E | | |
| 796 | Rocky Islands | 21°52′21″S 114°35′59″E | | |
| 797 | Rodondo Island (Western Australia) | 33°49′38″S 123°58′53″E | | |
| 798 | Roe Island (Western Australia) | 20°46′56″S 117°08′48″E | | |
| 799 | Roma Island | 28°43′57″S 113°47′06″E | Houtman Abrolhos | Mid West | |
| 800 | Ron Courtney Island | 31°55′18″S 115°56′23″E | | |
| 801 | Ronsard Island | 20°31′42″S 117°51′32″E | | |
| 802 | Rose Island (Western Australia) | 20°25′22″S 115°32′58″E | Montebello Islands | Pilbara | [3] |
| 803 | Rosemary Island | 20°28′58″S 116°35′31″E | Dampier Archipelago | |
| 804 | Rosily Islands | 21°15′54″S 115°01′29″E | | Pilbara | |
| 805 | Rotondella Island | 28°52′21″S 113°59′45″E | Houtman Abrolhos | Mid West | |
| 806 | Rottnest Island | 32°00′22″S 115°36′46″E | | |
| 807 | Round Island (Western Australia) | 16°09′49″S 123°46′00″E | | |
| 808 | Round Island (Western Australia) | 20°58′38″S 115°51′38″E | | |
| 809 | Round Island (Western Australia) | 21°38′48″S 114°39′09″E | | |
| 810 | Round Island (Western Australia) | 34°06′21″S 123°53′11″E | | |
| 811 | Roy Island | 34°01′45″S 122°14′26″E | | |
| 812 | Ruby Island | 33°57′11″S 123°07′09″E | | |
| 813 | Russell Island (Western Australia) | 15°13′56″S 128°05′47″E | | |
| 814 | Sable Island (Western Australia) | 20°35′08″S 117°46′16″E | | |
| 815 | Saddle Island (Western Australia) | 35°03′02″S 116°43′50″E | | |
| 816 | Saint Alouarn Island | 34°24′20″S 115°11′41″E | | |
| 817 | Saint Alouarn Islands | 34°24′20″S 115°11′41″E | | |
|
| 818 | St Andrew Island | 15°21′29″S 125°00′42″E | | |
| 819 | Saint Patrick Island | 15°21′15″S 124°57′38″E | | |
| 820 | Salier Islands | 16°18′56″S 123°16′33″E | | |
| 821 | Salisbury Island (Western Australia) | 34°21′39″S 123°33′01″E | Recherche Archipelago | |
| 822 | Salural Island | 16°23′13″S 123°07′50″E | | |
| 823 | Salutation Island | 26°32′22″S 113°45′56″E | Shark Bay | Gascoyne | |
| 824 | Sand Cay | 14°14′32″S 125°19′09″E | | |
| 825 | Sand Island (Western Australia) | 13°51′06″S 125°48′23″E | | |
| 826 | Sandland Island | 30°12′40″S 114°59′16″E | | |
| 827 | Sandpiper Island | 32°36′19″S 115°38′50″E | | |
| 828 | Sandy Hook Island | 34°02′04″S 121°59′32″E | | |
| 829 | Sandy Island (Easter Group) | 28°46′31″S 113°47′08″E | Houtman Abrolhos | Mid West | |
| 830 | Sandy Island (Lacepede Islands) | 16°52′57″S 122°10′04″E | Lacepede Islands | Kimberley | |
| 831 | Sandy Island (Pelsaert Group) | 28°52′22″S 113°52′35″E | Houtman Abrolhos | Mid West | |
| 832 | Sandy Island (Western Australia) | 13°45′58″S 126°47′24″E | | |
| 833 | Sandy Island (Western Australia) | 20°38′04″S 117°40′59″E | | |
| 834 | Sandy Island (Western Australia) | 20°42′47″S 116°33′59″E | | |
| 835 | Sandy Island (Western Australia) | 34°52′02″S 116°02′12″E | | |
| 836 | Saville Island | 15°08′58″S 128°06′03″E | | |
| 837 | Saville-Kent Island | 28°27′56″S 113°48′27″E | Houtman Abrolhos | Mid West | |
| 838 | Scaddan Island | 16°08′02″S 123°51′16″E | | |
| 839 | Scorpion Island (Western Australia) | 13°51′50″S 126°37′18″E | | |
| 840 | Scott Island (Western Australia) | 16°29′10″S 123°21′20″E | | |
| 841 | Seagull Island (Houtman Abrolhos) | 28°27′29″S 113°42′52″E | Houtman Abrolhos | Mid West | |
| 842 | Seagull Island | 35°04′24″S 117°40′33″E | | |
| 843 | Seal Island (Houtman Abrolhos) | 28°29′01″S 113°48′07″E | Geraldton | Mid West | |
| 844 | Seal Island (Shoalwater, Western Australia) | 32°17′36″S 115°41′19″E | Shoalwater | Perth region | |
| 845 | Seal Island (Ravensthorpe, Western Australia) | 33°57′46″S 120°07′40″E | Ravensthorpe | Great Southern | |
| 846 | Seal Island (Augusta, Western Australia) | 34°22′51″S 115°09′18″E | Augusta | South West region | |
| 847 | Seal Island (Albany, Western Australia) | 35°04′35″S 117°58′21″E | Albany | Great Southern | |
| 848 | Seaward Ledge | 30°17′30″S 114°58′09″E | | |
| 849 | Second Sister | 28°29′08″S 113°44′25″E | Houtman Abrolhos | Mid West | |
| 850 | Serene Island | 14°54′28″S 124°43′07″E | | |
| 851 | Serrurier Island | 21°36′26″S 114°40′45″E | | |
| 852 | Serventy Island | 28°40′59″S 113°49′52″E | Houtman Abrolhos | Mid West | |
| 853 | Shag Island | 32°17′44.7″S 115°41′30.2″E | | |
| 854 | Shag Rock (Houtman Abrolhos) | 28°28′32″S 113°42′43″E | Houtman Abrolhos | Mid West | |
| 855 | Shale Island | 16°22′48″S 124°20′19″E | | |
| 856 | Shannon Island (Western Australia) | 34°53′46″S 116°25′02″E | | |
| 857 | Shearwater Island | 28°43′56″S 113°49′29″E | Houtman Abrolhos | Mid West | |
| 858 | Sheep Island (Western Australia) | 15°29′22″S 124°36′44″E | | |
| 859 | Shelter Island (Western Australia) | 35°03′04″S 117°41′25″E | | |
| 860 | Shirley Island (Western Australia) | 16°15′59″S 123°26′39″E | | |
| 861 | Sholl Island | 20°56′45″S 115°53′19″E | | |
| 862 | Sid Liddon Island (6 Island) | 28°54′40″S 113°51′49″E | Houtman Abrolhos | Mid West | |
| 863 | Simpson Island | 22°07′44″S 114°29′04″E | | |
| 864 | Sir Frederick Island | 16°07′35″S 123°24′06″E | | |
| 865 | Sir Graham Moore Island | 13°53′24″S 126°31′44″E | | Kimberley | |
| 866 | Sir Graham Moore Islands (Western Australia) | 13°52′54″S 126°36′11″E | | Kimberley | |
| 867 | Sir Richard Island | 16°24′51″S 123°29′12″E | | |
| 868 | Six Mile Island (Western Australia) | 33°38′29″S 123°57′44″E | | |
| 869 | Skink Island | 33°59′14″S 123°08′49″E | | |
| 870 | Slade Island | 15°29′31″S 124°33′23″E | | |
| 871 | Slate Islands (Western Australia) | 15°31′55″S 124°24′00″E | | |
| 872 | Slipper Island (Western Australia) | 34°02′44″S 122°45′11″E | | |
| 873 | Slope Island | 26°05′27″S 113°24′45″E | Shark Bay | Gascoyne | |
| 874 | Smith Islands (Shark Bay) | 26°34′59″S 113°43′24″E | Shark Bay | Gascoyne | |
| 875 | Snag Island | 29°56′10″S 114°58′32″E | | |
| 876 | Solem Islands | 14°12′19″S 125°38′25″E | | |
| 877 | Solitary Island | 19°55′27″S 119°54′50″E | | |
| 878 | Solitary Island | 21°08′03″S 115°50′00″E | | |
| 879 | Somerville Island | 21°57′38″S 114°29′21″E | | |
| 880 | South East Island (Western Australia) | 20°25′27″S 115°35′19″E | Montebello Islands | Pilbara | [3] |
| 881 | South East Islands | 34°21′29″S 123°32′59″E | | |
| 882 | South East Twin Island | 16°17′38″S 123°05′24″E | | |
| 883 | South Guano Island | 26°32′45″S 113°41′26″E | Shark Bay | Gascoyne | |
| 884 | South Hummocks | 16°14′06″S 128°45′50″E | | |
| 885 | South Island (Western Australia) | 12°11′25″S 096°55′21″E | Cocos (Keeling) Islands | |
| 886 | South Island (Western Australia) | 21°30′33″S 115°21′06″E | | |
| 887 | South Keeling Islands | 12°11′25″S 096°55′21″E | Cocos (Keeling) Islands | |
| 888 | South Maret Island | 14°26′28″S 124°59′05″E | | |
| 889 | South Muiron Island | 21°41′01″S 114°19′25″E | | |
| 890 | South Passage Island | 21°08′36″S 115°43′42″E | | |
| 891 | South Twin Peak Island | 34°00′27″S 122°48′12″E | | |
| 892 | South Wailgwin Island | 15°32′27″S 124°23′57″E | | |
| 893 | South West Osborn Island | 14°21′48″S 125°56′52″E | | |
| 894 | South West Regnard Island | 20°48′34″S 116°14′32″E | | |
| 895 | South West Twin Island | 21°31′18″S 115°12′04″E | | |
| 896 | Southwest Island | 35°11′36″S 117°52′02″E | | |
| 897 | Spar Island | 20°29′15″S 115°33′43″E | Montebello Islands | Pilbara | [3] |
| 898 | Sparkling Island | 34°28′54″S 119°21′47″E | | |
| 899 | Spider Island | 16°09′36″S 128°43′42″E | | |
| 900 | Spindle Island | 33°45′52″S 124°09′34″E | | |
| 901 | Square Island | 28°54′07″S 113°56′38″E | Houtman Abrolhos | Mid West | |
| 902 | Stanley Island | 35°04′01″S 117°09′11″E | | |
| 903 | Station Island (Western Australia) | 33°57′40″S 122°31′16″E | | |
| 904 | Steamboat Island | 20°49′20″S 116°03′56″E | | |
| 905 | Steep Head Island | 14°26′36″S 125°59′26″E | | |
| 906 | Steep Island | 16°03′37″S 124°28′09″E | | |
| 907 | Stewart Island (Western Australia) | 20°52′48″S 115°56′21″E | | |
| 908 | Stewart Islands (Western Australia) | 13°41′41″S 126°53′39″E | | |
| 909 | Stick Island | 28°53′22″S 113°55′11″E | Houtman Abrolhos | Mid West | |
| 910 | Stokes Island | 28°40′30″S 113°51′02″E | Houtman Abrolhos | Mid West | |
| 911 | Stony Island (Western Australia) | 35°06′30″S 117°47′07″E | | |
| 912 | Storr Island | 15°56′25″S 124°34′09″E | | |
| 913 | Suffren Island | 14°32′34″S 124°55′38″E | | |
| 914 | Sunday Island (Exmouth Gulf) | 21°42′15″S 114°25′06″E | | Pilbara | |
| 915 | Sunday Island (King Sound) | 16°24′25″S 123°11′13″E | Buccaneer Archipelago | Kimberley | |
| 916 | Sunday Island (Shark Bay) | 26°07′32″S 113°14′06″E | Shark Bay | Gascoyne | |
| 917 | Suomi Island | 28°42′45″S 113°50′17″E | Easter Group | Mid West | |
| 918 | Survey Island | 16°05′40″S 123°26′54″E | | |
| 919 | Swan Island (Western Australia) | 16°21′10″S 123°02′37″E | | |
| 920 | Sweet Island (4 Island) | 28°55′01″S 113°52′17″E | Houtman Abrolhos | Mid West | |
| 921 | Table Island | 21°36′46″S 114°43′03″E | | |
| 922 | Table Island | 33°54′51″S 122°35′42″E | | |
| 923 | Talboys Island | 16°23′43″S 123°04′01″E | | |
| 924 | Tallon Island | 16°24′57″S 123°07′17″E | | |
| 925 | Tancred Island | 14°20′20″S 125°24′23″E | | |
| 926 | Tanner Island (Western Australia) | 16°05′46″S 123°31′44″E | | |
| 927 | Tanpanmirri Island | 15°05′02″S 125°21′12″E | | |
| 928 | Tapani Island | 28°40′30″S 113°51′16″E | Houtman Abrolhos | Mid West | |
| 929 | Tarrant Island | 16°06′11″S 123°40′36″E | | |
| 930 | Tattler Island | 28°28′10″S 113°42′22″E | Houtman Abrolhos | Mid West | |
| 931 | Taylor Island | 33°55′17″S 122°52′17″E | Recherche Archipelago | |
| 932 | Tent Island (Western Australia) | 21°59′55″S 114°30′52″E | | |
| 933 | Termination Island | 34°28′19″S 121°59′25″E | | |
| 934 | Termite Hummocks | 16°14′00″S 128°44′29″E | | |
| 935 | Tern Island (Western Australia) | 30°18′52″S 114°59′32″E | | |
| 936 | Thais Island | 14°57′40″S 125°09′31″E | | |
| 937 | The Island (Western Australia) | 27°38′09″S 117°52′29″E | | |
| 938 | The Pelicans | 16°10′05″S 128°42′56″E | | |
| 939 | The Piccaninnies | 16°07′26″S 123°37′04″E | | |
| 940 | The Sisters (Western Australia) | 16°09′08″S 123°49′44″E | | |
| 941 | Thevenard Island | 21°27′28″S 114°59′13″E | | Pilbara | |
| 942 | Third Sister | 28°29′46″S 113°44′23″E | Houtman Abrolhos | Mid West | |
| 943 | Thomas Island | 33°58′36″S 121°59′01″E | | |
| 944 | Thomas Island | 34°17′24″S 115°10′00″E | | |
| 945 | Three Bays Island | 26°33′15″S 113°38′46″E | Shark Bay | Gascoyne | |
| 946 | Thringa Island | 21°18′33″S 115°39′31″E | | Pilbara | |
| 947 | Tide Rip Islands | 16°18′07″S 123°18′05″E | | |
| 948 | Tidepole Island | 20°38′57″S 116°42′18″E | | |
| 949 | Titree Island | 31°05′29″S 116°59′32″E | | |
| 950 | Tizard Island | 34°01′04″S 122°40′52″E | | |
| 951 | Tjaulingari Island | 14°40′00″S 125°08′17″E | | |
| 952 | Tjungkurakutangari Island | 14°48′11″S 125°08′28″E | | |
| 953 | Tortoise Island | 21°34′52″S 114°51′33″E | | |
| 954 | Tory Islands | 34°00′51″S 122°18′23″E | | |
| 955 | Tournefort Island | 14°48′31″S 125°01′47″E | | |
| 956 | Tozer Island | 20°27′25″S 116°50′20″E | | |
| 957 | Traitors Island | 28°29′06″S 113°46′57″E | Houtman Abrolhos | Mid West | |
| 958 | Traverse Island | 16°14′45″S 124°06′47″E | | |
| 959 | Travia Island | 28°51′52″S 113°59′12″E | Houtman Abrolhos | Mid West | |
| 960 | Tree Island (Western Australia) | 16°23′16″S 123°18′28″E | | |
| 961 | Tree Island (Western Australia) | 16°39′24″S 123°28′50″E | | |
| 962 | Trimouille Island | 20°23′45″S 115°33′44″E | Montebello Islands | Pilbara | [3] |
| 963 | Trochus Island | 14°29′10″S 125°29′26″E | | |
| 964 | Troughton Island | 13°45′13″S 126°11′02″E | | |
| 965 | Tunney Island | 33°57′43″S 122°48′44″E | | |
| 966 | Turbin Island | 14°28′38″S 125°00′10″E | | |
| 967 | Turkey Island (Western Australia) | 15°31′37″S 128°22′38″E | | |
| 968 | Turnstone Island | 28°27′09″S 113°42′57″E | Houtman Abrolhos | Mid West | |
| 969 | Turtle Islands (Western Australia) | 19°53′25″S 118°53′44″E | | |
| 970 | Twin Islands (Western Australia) | 21°31′01″S 115°12′30″E | | |
| 971 | Twin Islands (Western Australia) | 34°56′37″S 118°22′21″E | | |
| 972 | Tyra Island | 16°26′41″S 123°06′09″E | | |
| 973 | Tyrer Islands | 16°17′09″S 123°23′37″E | | |
| 974 | Umbanganan Island | 15°26′21″S 124°36′26″E | | |
| 975 | Umida Island | 16°15′29″S 123°32′16″E | | |
| 976 | Uncle Island | 14°22′27″S 127°50′11″E | | |
| 977 | Uncle Margie Island | 28°52′04″S 113°57′59″E | Houtman Abrolhos | Mid West | |
| 978 | Unknown Island (Shark Bay) | 26°23′16″S 113°22′16″E | Shark Bay | Gascoyne | |
| 979 | Usborne Island | 16°06′27″S 123°38′30″E | | |
| 980 | Uwins Island | 15°15′57″S 124°49′02″E | | |
| 981 | Valentine Island | 17°05′11″S 123°19′26″E | | |
| 982 | Vampire Island | 20°41′16″S 117°11′03″E | | |
| 983 | Varanus Island | 20°39′03″S 115°34′27″E | Lowendal Islands | Pilbara | |
| 984 | Verco Island | 16°16′48″S 123°25′32″E | | |
| 985 | Vickery Island | 16°29′09″S 123°20′46″E | | |
| 986 | Victor Island | 21°55′20″S 114°25′48″E | | |
| 987 | Viney Island | 16°00′50″S 124°00′49″E | | |
| 988 | Violet Island | 20°23′24″S 115°34′39″E | Montebello Islands | Pilbara | [3] |
| 989 | Vulcan Island (Western Australia) | 15°14′05″S 124°23′13″E | | |
| 990 | Vulcan Islands | 15°14′11″S 124°23′30″E | | |
| 991 | Wailgwin Island | 15°31′55″S 124°24′00″E | | |
| 992 | Walcott Island | 20°39′34″S 116°57′32″E | | |
| 993 | Walker Island (Western Australia) | 14°18′00″S 125°18′51″E | | |
| 994 | Wall Island (Western Australia) | 16°22′14″S 123°22′27″E | | |
| 995 | Wallabi Group | 28°28′02″S 113°42′22″E | Houtman Abrolhos | Mid West | |
| 996 | Wallace Island | 32°00′48″S 115°33′12″E | | |
| 997 | Wangania Island | 16°01′42″S 123°32′27″E | | |
| 998 | Wann Island | 28°28′19″S 113°45′45″E | Houtman Abrolhos | Mid West | |
| 999 | Waring Island | 15°00′53″S 124°47′48″E | | |
| 1000 | Warn Island | 14°20′07″S 125°18′48″E | | |
| 1001 | Water Island (Western Australia) | 14°21′02″S 125°29′31″E | | |
| 1002 | Waterlow Islands | 16°26′02″S 123°05′12″E | | |
| 1003 | Webb Island | 29°58′36″S 114°57′33″E | | |
| 1004 | Wedge Island (Western Australia) | 30°49′46″S 115°11′12″E | | |
| 1005 | Weerdee Island | 20°19′16″S 118°27′30″E | | |
| 1006 | Weld Island | 21°23′15″S 115°32′28″E | | |
| 1007 | West Governor Island | 13°56′45″S 126°41′08″E | | |
| 1008 | West Group (Western Australia) | 34°01′29″S 121°36′39″E | | |
| 1009 | West Intercourse Island | 20°42′31″S 116°36′21″E | | |
| 1010 | West Island (Lacepede Islands) | 16°51′15″S 122°06′28″E | Lacepede Islands | Kimberley | |
| West Island (Ashmore and Cartier Islands) | 12°15′00″S 123°05′00″E | Ashmore Reef | | |
| 1011 | West Island (Western Australia) | 12°10′01″S 096°49′18″E | Cocos (Keeling) Islands | |
| 1012 | West Island (Western Australia) | 21°18′39″S 115°26′50″E | | |
| 1013 | West Island (Western Australia) | 34°04′59″S 120°28′59″E | | |
| 1014 | West Lewis Island | 20°35′28″S 116°37′31″E | | |
| 1015 | West Lyons Island | 25°02′37″S 115°05′57″E | Kennedy Range National Park | | Gascoyne Junction |
| 1016 | West Mid Intercourse Island | 20°40′37″S 116°39′14″E | | |
| 1017 | West Montalivet Island | 14°18′13″S 125°13′11″E | | Kimberley | |
| 1018 | West Moore Island | 20°38′24″S 117°40′07″E | | |
| 1019 | West Roe Island | 16°21′52″S 123°11′13″E | | |
| 1020 | West Wallabi Island | 28°28′03″S 113°41′12″E | Wallabi Group | Mid West | |
| 1021 | Westall Island | 34°04′50″S 122°57′56″E | Recherche Archipelago | |
| 1022 | Whaleback Island | 33°44′40″S 124°05′12″E | | |
| 1023 | Whalebone Island | 22°11′51″S 114°22′23″E | | |
| 1024 | Wharton Island | 33°59′30″S 122°42′49″E | | |
| 1025 | Whipp Island | 16°29′41″S 123°22′04″E | | |
| 1026 | Whirl Island | 16°26′04″S 123°07′42″E | | |
| 1027 | White Bank | 28°42′10″S 113°46′30″E | Houtman Abrolhos | Mid West | |
| 1028 | White Island (Houtman Abrolhos) | 28°40′16″S 113°52′30″E | Houtman Abrolhos | Mid West | |
| 1029 | White Island (Shark Bay) | 26°26′38″S 113°45′41″E | Shark Bay | Gascoyne | |
| 1030 | White Island (Western Australia) | 14°11′42″S 125°49′24″E | | |
| 1031 | White Island (Western Australia) | 15°03′44″S 124°19′28″E | | |
| 1032 | White Island (Western Australia) | 34°57′00″S 117°58′35″E | | |
| 1033 | Whitley Island | 14°56′10″S 124°41′37″E | | |
| 1034 | Whitlock Island (Shark Bay) | 24°53′14″S 113°38′44″E | Shark Bay | Gascoyne | |
| 1035 | Whitlock Island | 30°19′12″S 114°59′32″E | | |
| 1036 | Whitmore Island (Shark Bay) | 24°52′00″S 113°37′20″E | Shark Bay | Gascoyne | |
| 1037 | Whitmore Island | 22°22′18″S 114°11′53″E | | |
| 1038 | Whittaker Island | 20°32′35″S 116°40′38″E | | |
| 1039 | Whittell Island | 30°39′55″S 115°06′30″E | | |
| 1040 | Wickham Island (Kimberley coast) | 15°00′28″S 124°47′07″E | | Kimberley | |
| 1041 | Wickham Island (Recherche Archipelago) | 34°01′16″S 123°17′23″E | Recherche Archipelago | |
| 1042 | Wiiluntju Island | 14°25′54″S 125°30′30″E | | |
| 1043 | Wiirra Island | 14°34′55″S 125°13′25″E | | |
| 1044 | Wilcox Island | 20°27′02″S 116°50′22″E | | |
| 1045 | Wilds Island | 26°27′06″S 113°36′54″E | Shark Bay | Gascoyne | |
| 1046 | Wilson Island (Shark Bay) | 26°09′55″S 113°39′33″E | Shark Bay | Gascoyne | |
| 1047 | Wilson Island (Recherche Archipelago) | 34°06′57″S 121°59′40″E | Recherche Archipelago | |
| 1048 | Winyalkan Island | 14°33′16″S 125°25′35″E | | |
| 1049 | Wollaston Island | 14°29′44″S 125°27′29″E | | |
| 1050 | Woninjaba Islands | 16°14′13″S 124°05′13″E | | |
| 1051 | Wood Islands (Western Australia) | 16°23′22″S 123°19′31″E | | |
| 1052 | Wooded Island | 28°45′07″S 113°48′20″E | Easter Group | Mid West | |
| 1053 | Woodward Island | 14°51′09″S 124°43′55″E | | |
| 1054 | Woody Island (Western Australia) | 33°57′43″S 122°00′40″E | Recherche Archipelago | |
| 1055 | Worallgarook Island | 32°35′06″S 115°45′57″E | | |
| 1056 | Wulajarlu Island | 15°57′16″S 124°18′13″E | | |
| 1057 | Wulalam Island | 16°23′07″S 124°14′08″E | | |
| 1058 | Wurauwulla Island | 14°39′47″S 125°07′47″E | | |
| 1059 | Wuwirriya Island | 14°33′22″S 125°16′44″E | | |
| 1060 | Wybron Islands | 16°27′42″S 123°20′43″E | | |
| 1061 | Y Island | 21°57′13″S 114°25′06″E | | Pilbara | |
| 1062 | Yambaraba Island | 16°09′05″S 128°43′47″E | | |
| 1063 | Yammadery Island | 21°30′50″S 115°26′08″E | | |
| 1064 | Yankawingarri Island | 14°09′23″S 125°39′23″E | | |
| 1065 | Yawajaba Island | 15°57′38″S 124°12′18″E | | Kimberley | |
| 1066 | York Islands | 34°00′21″S 122°35′09″E | | |
| 1067 | Yunderup Island | 32°35′06″S 115°46′16″E | | |
| Atriplex Island | 20.43667°S 115.50583°E / -20.43667; 115.50583 | Montebello Islands | Pilbara | [3] |
| Avicennia Island | 20.50778°S 115.54028°E / -20.50778; 115.54028 | Montebello Islands | Pilbara | [3] |
| Banksia Island | 20.40278°S 115.515°E / -20.40278; 115.515 | Montebello Islands | Pilbara | [3] |
| Beaufortia Island | 20.4025°S 115.52361°E / -20.4025; 115.52361 | Montebello Islands | Pilbara | [3] |
| Birthday Island | 20.38472°S 115.51694°E / -20.38472; 115.51694 | Montebello Islands | Pilbara | [3] |
| Bloodwood Island | 20.51583°S 115.52833°E / -20.51583; 115.52833 | Montebello Islands | Pilbara | [3] |
| Boab Island | 20.51472°S 115.52328°E / -20.51472; 115.52328 | Montebello Islands | Pilbara | [3] |
| Boronia Island | 20.39194°S 115.51389°E / -20.39194; 115.51389 | Montebello Islands | Pilbara | [3] |
| Cajuput Island | 20.39472°S 115.53472°E / -20.39472; 115.53472 | Montebello Islands | Pilbara | [3] |
| Caladenia Island | 20.42722°S 115.52667°E / -20.42722; 115.52667 | Montebello Islands | Pilbara | [3] |
| Callitris Island | 20.49667°S 115.56083°E / -20.49667; 115.56083 | Montebello Islands | Pilbara | [3] |
| Capporis Island | 20.4325°S 115.51889°E / -20.4325; 115.51889 | Montebello Islands | Pilbara | [3] |
| Cassia Island | 20.42222°S 115.57694°E / -20.42222; 115.57694 | Montebello Islands | Pilbara | [3] |
| Clematis Island | 20.52028°S 115.54694°E / -20.52028; 115.54694 | Montebello Islands | Pilbara | [3] |
| Coolibah Island | 20.52944°S 115.54167°E / -20.52944; 115.54167 | Montebello Islands | Pilbara | [3] |
| Corkwood Islands | 20.51028°S 115.525°E / -20.51028; 115.525 | Montebello Islands | Pilbara | [3] |
| Drosera Island | 20.50944°S 115.52°E / -20.50944; 115.52 | Montebello Islands | Pilbara | [3] |
| Dryandra Island | 20.51222°S 115.53111°E / -20.51222; 115.53111 | Montebello Islands | Pilbara | [3] |
| Eremophila Island | 20.5375°S 115.53972°E / -20.5375; 115.53972 | Montebello Islands | Pilbara | [3] |
| Euphorbia Island | 20.43444°S 115.51833°E / -20.43444; 115.51833 | Montebello Islands | Pilbara | [3] |
| Fairy Tern Island | 20.40722°S 115.51667°E / -20.40722; 115.51667 | Montebello Islands | Pilbara | [3] |
| Fig Islands | 20.50167°S 115.55889°E / -20.50167; 115.55889 | Montebello Islands | Pilbara | [3] |
| Frankenia Island | 20.37694°S 115.52139°E / -20.37694; 115.52139 | Montebello Islands | Pilbara | [3] |
| Glossypium Island | 20.51306°S 115.545°E / -20.51306; 115.545 | Montebello Islands | Pilbara | [3] |
| Goodenia Island | 20.42694°S 115.51167°E / -20.42694; 115.51167 | Montebello Islands | Pilbara | [3] |
| Grevillea Island | 20.51944°S 115.54361°E / -20.51944; 115.54361 | Montebello Islands | Pilbara | [3] |
| Hakea Islands | 20.45222°S 115.60639°E / -20.45222; 115.60639 | Montebello Islands | Pilbara | [3] |
| Hibbertia Island | 20.38667°S 115.53083°E / -20.38667; 115.53083 | Montebello Islands | Pilbara | [3] |
| Hibiscus Island | 20.38917°S 115.51833°E / -20.38917; 115.51833 | Montebello Islands | Pilbara | [3] |
| Hovea Island | 20.44056°S 115.51361°E / -20.44056; 115.51361 | Montebello Islands | Pilbara | [3] |
| Ipomoea Island | 20.43°S 115.52417°E / -20.43; 115.52417 | Montebello Islands | Pilbara | [3] |
| Jarrah Islands | 20.39472°S 115.53139°E / -20.39472; 115.53139 | Montebello Islands | Pilbara | [3] |
| Jasmine Islands | 20.38667°S 115.53333°E / -20.38667; 115.53333 | Montebello Islands | Pilbara | [3] |
| Karara Island | 20.40056°S 115.53333°E / -20.40056; 115.53333 | Montebello Islands | Pilbara | [3] |
| Karri Islands | 20.38111°S 115.51444°E / -20.38111; 115.51444 | Montebello Islands | Pilbara | [3] |
| Kennedia Island | 20.505°S 115.53306°E / -20.505; 115.53306 | Montebello Islands | Pilbara | [3] |
| Kingia Island | 20.40111°S 115.53222°E / -20.40111; 115.53222 | Montebello Islands | Pilbara | [3] |
| Kunzea Island | 20.42167°S 115.5275°E / -20.42167; 115.5275 | Montebello Islands | Pilbara | [3] |
| Kurrajong Island | 20.44083°S 115.53861°E / -20.44083; 115.53861 | Montebello Islands | Pilbara | [3] |
| Leschenaultia Island | 20.41333°S 115.5425°E / -20.41333; 115.5425 | Montebello Islands | Pilbara | [3] |
| Livistona Island | 20.53111°S 115.53528°E / -20.53111; 115.53528 | Montebello Islands | Pilbara | [3] |
| Lobelia Island | 20.42861°S 115.57556°E / -20.42861; 115.57556 | Montebello Islands | Pilbara | [3] |
| Marri Islands | 20.38389°S 115.52361°E / -20.38389; 115.52361 | Montebello Islands | Pilbara | [3] |
| Melaleuca Island | 20.41639°S 115.52444°E / -20.41639; 115.52444 | Montebello Islands | Pilbara | [3] |
| Minnieritchie Islands | 20.46778°S 115.57528°E / -20.46778; 115.57528 | Montebello Islands | Pilbara | [3] |
| Mistletoe Island | 20.3825°S 115.52083°E / -20.3825; 115.52083 | Montebello Islands | Pilbara | [3] |
| Mulga Islands | 20.51111°S 115.52194°E / -20.51111; 115.52194 | Montebello Islands | Pilbara | [3] |
| Myoporum Island | 20.46111°S 115.57917°E / -20.46111; 115.57917 | Montebello Islands | Pilbara | [3] |
| Patersonia Island | 20.3675°S 115.51417°E / -20.3675; 115.51417 | Montebello Islands | Pilbara | [3] |
| Pimelea Island | 20.42861°S 115.57528°E / -20.42861; 115.57528 | Montebello Islands | Pilbara | [3] |
| Ptilotus Island | 20.46722°S 115.51833°E / -20.46722; 115.51833 | Montebello Islands | Pilbara | [3] |
| Quandong Islands | 20.45167°S 115.58056°E / -20.45167; 115.58056 | Montebello Islands | Pilbara | [3] |
| Renewal Island | 20.46722°S 115.54889°E / -20.46722; 115.54889 | Montebello Islands | Pilbara | [3] |
| Rhagodia Island | 20.44083°S 115.57944°E / -20.44083; 115.57944 | Montebello Islands | Pilbara | [3] |
| Santalum Island | 20.43889°S 115.50917°E / -20.43889; 115.50917 | Montebello Islands | Pilbara | [3] |
| Senna Island | 20.42278°S 115.57694°E / -20.42278; 115.57694 | Montebello Islands | Pilbara | [3] |
| Sesbania Island | 20.36806°S 115.52°E / -20.36806; 115.52 | Montebello Islands | Pilbara | [3] |
| Sida Island | 20.47361°S 115.53722°E / -20.47361; 115.53722 | Montebello Islands | Pilbara | [3] |
| Snakewood Island | 20.50861°S 115.52917°E / -20.50861; 115.52917 | Montebello Islands | Pilbara | [3] |
| Snappy Gum Island | 20.51889°S 115.52833°E / -20.51889; 115.52833 | Montebello Islands | Pilbara | [3] |
| Solanum Island | 20.51917°S 115.53111°E / -20.51917; 115.53111 | Montebello Islands | Pilbara | [3] |
| Spinifex Island | 20.41917°S 115.51944°E / -20.41917; 115.51944 | Montebello Islands | Pilbara | [3] |
| Stylidium Island | 20.42972°S 115.5175°E / -20.42972; 115.5175 | Montebello Islands | Pilbara | [3] |
| Swainsona Island | 20.50667°S 115.52833°E / -20.50667; 115.52833 | Montebello Islands | Pilbara | [3] |
| Triodia Island | 20.43861°S 115.51222°E / -20.43861; 115.51222 | Montebello Islands | Pilbara | [3] |
| Verticordia Island | 20.43472°S 115.57972°E / -20.43472; 115.57972 | Montebello Islands | Pilbara | [3] |