Coney Island (California)
# Coney Island (California)

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.

