Isla San Martín
| Geography | |
|---|---|
| Location | Gulf of California |
| Coordinates | 30°29′20.07″N 116°06′50.61″W / 30.4889083°N 116.1140583°W |
| Highest elevation | 125 m (410 ft) |
| Administration | |
Mexico | |
| State | Baja California |
| Demographics | |
| Population | uninhabited |
Isla San Martín is an island in the Pacific Ocean west of the Baja California Peninsula. The island is uninhabited and is part of the Ensenada Municipality.