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.
Data refreshed September 17, 2026.
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