Decker Island is a small island in the Sacramento-San Joaquin River delta, in California.

[2][3][4][5][6] It is part of Solano County.

[7][8][9][10] Its coordinates are 38°05′26″N 121°43′09″W / 38.0904745°N 121.7191214°W / 38.0904745; -121.7191214 (Decker Island)[1].

Part of the island is the Decker Island Wildlife Area, operated by the California Department of Fish and Wildlife.

This Solano County, California-related article is a stub.