Sea-Renity Now

Caswell Beach is a small seaside town located on the Atlantic Ocean at the mouth of the Cape Fear River in Southeastern North Carolina, United States. Occupying the eastern part of Oak Island in Brunswick County, its population was listed at 395 in the 2020 census. Prominent features include the Civil War era Fort Caswell, the Oak Island Lighthouse co-located with the Oak Island Coast Guard Station, and the Oak Island Golf Club, the sole business in town and one of the few eighteen-hole courses located on a North Carolina barrier island. Along with the Town of Oak Island which occupies the central and west parts of the island, Caswell Beach is part of the Wilmington, NC Metropolitan Statistical Area.