 Hooks Island as viewed from the Palo Alto Baylands Sailing Station in September 2020 | |
  Hooks Island  Hooks Island  Hooks Island | |
| Geography | |
|---|---|
| Location | Northern California |
| Coordinates | 37°27′22″N 122°05′51″W / 37.45611°N 122.09750°W |
| Adjacent to | San Francisco Bay |
| Total islands | 1 |
| Area | 36[1] acres (15 ha) |
| Administration | |
United States | |
| State |  California |
| County | Santa Clara |
| City | Palo Alto |
Hooks Island is an uninhabited, approximately 36-acre (15 ha)[1] tidal salt marsh island[2] in San Francisco Bay, in Palo Alto, California, United States. In the 2010s, it was observed to be a home for tens of near-endangered California clapper rails.