Maine Coastal Islands National Wildlife Refuge contains more than 50 offshore islands and four coastal parcels, totaling more than 8,100 acres. The complex spans more than 250 miles of
Maine coastline and includes five national wildlife refuges — Petit Manan, Cross Island, Franklin Island, Seal Island, and Pond Island. The
U.S. Fish and Wildlife Service manages the refuge complex as part of the National Wildlife Refuge System.