Narcosis Colosseum
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| Narcosis Colosseum | |
|---|---|
Narcosis Colosseum. Looking towards Koh Chuang | |
| Location | Samae San Island, Thailand |
| Waterbody | Gulf of Thailand |
| Coordinates | 12°30.128′N 100°57.191′E / 12.502133°N 100.953183°E |
| Dive type | Technical |
| Depth range | 75 m (246 ft) |
| Entry type | Boat |
| Bottom composition | Sandy Bottom |
| Water | Salt |
| Nearby sites | Samaesan Hole (100m), Sharkfin Deep Drop (85m), 1/4 Mile Mouthpiece Drop (75m), Thunder Bowl (65m), Koh Rong Nang Training Buoy (50m), Hardeep Wreck (36m)[1] |
Narcosis Colosseum is a technical diving site located in the Gulf of Thailand, Samae San Island, in Sattahip District, Chonburi Province. The local vicinity is renowned for its technical diving due to the high concentration of deep and easily accessible dive sites, with PADI referring to it as "Thailand's Hidden Gem for Tec Divers".[2] The area has numerous entries on the List of deepest dive sites in the Gulf of Thailand, with Narcosis Colosseum being recognised as the ninth deepest, with a depth of 50m.[1][2] It is one of the two holes that lies directly to the south of Koh Chuang that is separated by a ridge at 30m. Out of the two it is the smaller, shallower northern hole, with 1/4 Mile Mouthpiece Drop dive site situated to the south.[3]

