Public lands in Maryland
7 units whose boundary reaches Maryland, 66,493 acres counted whole even where a boundary crosses into another state. 7 national wildlife refuges. Largest first within each type.
Data refreshed September 17, 2026.
National wildlife refuges
Refuge · USFWS
Blackwater National Wildlife Refuge
34,765 acres2 campgrounds near
Refuge · USFWS
Patuxent Research Refuge
12,952 acres3 campgrounds near
Refuge · USFWS
Chincoteague National Wildlife Refuge
12,338 acres1 campground near
Refuge · USFWS
Martin National Wildlife Refuge
4,281 acresNational Wildlife Refuge
Refuge · USFWS
Eastern Neck National Wildlife Refuge
2,124 acresNational Wildlife Refuge
Refuge · USFWS
Southern Maryland Woodlands National Wildlife Refuge
32 acresNational Wildlife Refuge
Refuge · USFWS
Susquehanna National Wildlife Refuge
0.9 acresNational Wildlife Refuge