Simmons Island is a small island in Grizzly Bay (part of Suisun Bay) in the San Francisco Bay Area of California.[2][3][4][5][6][7][8][9][10][11][12][13][14][15] [16] It is part of Solano County, and included within Reclamation District 2127.[17] Its coordinates are 38°05′49″N 121°59′26″W[1]. It is shown as "Simmons Island" on an 1850 survey map of the San Francisco Bay area made by Cadwalader Ringgold,[18] and as "Simons Island" on an 1854 map of the area by Henry Lange.[19] It is labeled, along with Deadman Island, Joice Island, Grizzly Island, Ryer Island and Roe Island, on a 1902 USGS map of the area.[20]
USGS aerial photo of Simmons Island | |
Simmons Island Simmons Island Simmons Island Simmons Island | |
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| Location | Northern California |
| Coordinates | 38°05′49″N 121°59′26″W[1] |
| Adjacent bodies of water | Suisun Bay |
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United States | |
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| County | Solano |

Map: Islands of Suisun Bay and the Sacramento–San Joaquin River Delta | |
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Rough and Ready (islands of the San Francisco Bay Area) |
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