Coney Island (California)

Coney Island
USGS aerial photo of Coney Island (largest island).
Coney Island
Coney Island
Coney Island
Geography
LocationNorthern California
Coordinates37°50′46″N 121°32′56″W / 37.846°N 121.549°W / 37.846; -121.549
Adjacent toSacramento–San Joaquin River Delta
Administration
State California
CountyContra Costa

Coney Island is a small island in the San Joaquin River delta, in California. It is part of Contra Costa County, and managed by Reclamation District 2117. Its coordinates are 37°50′45″N 121°32′58″W / 37.8457598°N 121.5493939°W / 37.8457598; -121.5493939. It appears on a 1978 United States Geological Survey map of the area.