Southwest
Islas Marías Biosphere Reserve: Geographic Overview and Protected Island Mapping
Volcanic topography and marine ecosystems in the Pacific.
The Islas Marías archipelago represents a significant protected area within the Mexican Pacific. Defined by its four major islands and diverse volcanic terrain, the reserve supports unique endemic species and expansive marine ecosystems. This overview tracks the geographic boundaries, island profiles, and the ecological importance of this remote Pacific territory offshore from the state of Nayarit.
- Area
- 244.97 km²
- Established
- 2010
- Relief
- Upland
- Climate
- Subtropical





