Public lands in Puerto Rico

11 units whose boundary reaches Puerto Rico, 452,367 acres counted whole even where a boundary crosses into another state. 9 national wildlife refuges, 1 wilderness area, 1 national forest. Largest first within each type.

National wildlife refuges

All national wildlife refuges →
Refuge · USFWS
Navassa Island National Wildlife Refuge
363,650 acresNational Wildlife Refuge
Refuge · USFWS
Vieques National Wildlife Refuge
17,518 acresNational Wildlife Refuge
Refuge · USFWS
Cabo Rojo National Wildlife Refuge
1,884 acresNational Wildlife Refuge
Refuge · USFWS
Culebra National Wildlife Refuge
1,437 acresNational Wildlife Refuge
Refuge · USFWS
Laguna Cartagena National Wildlife Refuge
760 acresNational Wildlife Refuge
Refuge · USFWS
Sandy Point National Wildlife Refuge
518 acresNational Wildlife Refuge
Refuge · USFWS
Desecheo National Wildlife Refuge
316 acresNational Wildlife Refuge
Refuge · USFWS
Buck Island National Wildlife Refuge
48 acresNational Wildlife Refuge
Refuge · USFWS
Green Cay National Wildlife Refuge
12 acresNational Wildlife Refuge

Wilderness areas

All wilderness areas →
Wilderness · USFS
El Toro Wilderness
10,412 acresWilderness

National forests and grasslands

All national forests and grasslands →
Forest · USFS
El Yunque National Forest
55,812 acresNational Forest

Boundaries come from the agencies’ own layers. A unit is listed in every state its boundary reaches. Data refreshed September 18, 2026.