| Isla Mosca | |
| Image Caption: | Isla Mosca |
| Map: | Mexico |
| Location: | Gulf of California |
| Coordinates: | 26.756°N -111.8871°W |
| Elevation M: | 10 |
| Country: | Mexico |
| Country Admin Divisions Title: | State |
| Country Admin Divisions: | Baja California Sur |
| Population: | Uninhabited |
Isla Mosca, is an island in the Gulf of California, located within Bahía Concepción east of the Baja California Peninsula. The island is uninhabited and is part of the Mulegé Municipality.
Isla Mosca has only one species of reptile, the peninsular leaf-toed gecko (Phyllodactylus nocticolus). [1]