Public lands in the Northern Mariana Islands
2 units whose boundary reaches the Northern Mariana Islands. They are 2 national wildlife refuges, largest first within each type.
Acreage in the Northern Mariana Islands
- National wildlife refuges
- 50,587,822 acres
Each figure is the acreage inside the Northern Mariana Islands for one kind of unit, summed over the units listed below. A unit that crosses into another state counts only the part of its boundary that lies in the Northern Mariana Islands. Refuge acreage includes the open water inside the marine boundaries of Mariana Arc of Fire National Wildlife Refuge and Mariana Trench National Wildlife Refuge.
National wildlife refuges
Boundaries come from the agencies’ own layers. A unit is listed in every state or territory its boundary reaches. Data refreshed November 1, 2026.