Geography | |
---|---|
Location | Northern California |
Coordinates | 37°50′46″N 121°32′56″W / 37.846°N 121.549°W |
Adjacent to | Sacramento–San Joaquin River Delta |
Administration | |
State | California |
County | Contra Costa |
Coney Island is a small island in the San Joaquin River delta, in California. [1] [2] [3] [4] It is part of Contra Costa County, and managed by Reclamation District 2117. [5] Its coordinates are 37°50′45″N 121°32′58″W / 37.8457598°N 121.5493939°W. [6] It appears on a 1978 United States Geological Survey map of the area. [7]