| Rhode Island - Contra Costa County Rhode Island, a Bay Area island, not a state, is a 48-acre publicly owned island east of Pittsburg and Antioch. | 
| Rhode Island links: - | 
|  | 
| Map courtesy of MapQuest. | 
| Rhode Island | 
|  | 
| Aerial photo courtesy of MapQuest. | 
|   | 
|  | 
|  | 
|  |