&sq=Google&lang=en&file=File:NASA_Worldwind,_USGS_imagery_map,_Rhode_Island,_California.png) USGS aerial imagery of Rhode Island, with Holland Tract to its west, Bacon Island to its southeast and the flooded Little Mandeville Island to its north. | |
&sq=Google&lang=en&file=File:Sacramento-San_Joaquin_Delta_OSM_Cycle_Large.png)  Rhode Island &sq=Google&lang=en&file=File:USA_California_location_map.svg) Rhode Island &sq=Google&lang=en&file=File:Usa_edcp_location_map.svg) Rhode Island | |
| Geography | |
|---|---|
| Location | Northern California |
| Coordinates | 37°59′59″N 121°34′31″W / 37.9996445°N 121.5752300°W[1] |
| Adjacent to | Sacramento–San Joaquin River Delta |
| Highest elevation | 0 ft (0 m) |
| Administration | |
United States | |
| State | California |
| County | Contra Costa |
Rhode Island is a small, partially submerged island in the San Joaquin River delta, in California.[2] It is part of Contra Costa County. Its coordinates are 37°59′59″N 121°34′31″W / 37.9996445°N 121.5752300°W[1]. It appears on a 1952 United States Geological Survey map of the area.[3]