Foster Island (Washington)

See Foster Island (Ontario) for the island in the Canadian province of Ontario.

LocationUnion Bay

CitySeattle

Time zone

• Pacific (UTC-8)

Summer (DST)

• PDT (UTC-7)

Foster Island

Geography
Location	Union Bay
Administration
United States
City	Seattle
Additional information
Time zone	Pacific (UTC-8)
• Summer (DST)	PDT (UTC-7)

Foster Island is an island in Seattle, Washington, USA's Union Bay. Bisected by State Route 520, it is part of the Washington Park Arboretum. There is a walking trail connecting Foster Island and the adjacent Marsh Island to mainland Seattle via a set of bridges and boardwalks.

Foster Island was once the Duwamish burial ground, Stitici, where the dead were placed in boxes tied up in the branches of trees.^[1][2]