Pea Island's boundaries extend from Oregon Inlet southward to the village of Rodanthe, North Carolina. The 5,915 acre refuge is comprised of ocean beach, barrier dunes, salt marshes, fresh and brackish water ponds and impoundments, as well as tidal creeks and bays. The refuge also contains 25,700 acres of Pamlico Sound waters which are closed to migratory waterfowl hunting. The land portion of the refuge ranges in width from a few hundred yards to a half mile and in elevation from 0 to approximately 8-10 feet above sea level.