Sullivans Island, SC

ZIP code 29482 covers Sullivan’s Island, a barrier island at the entrance to Charleston Harbor in South Carolina. Its best-known landmarks include Fort Moultrie, part of Fort Sumter and Fort Moultrie National Historical Park; the distinctive Charleston Light, also called Sullivan’s Island Lighthouse; and Battery Gadsden, a historic coastal-defense site. The island also has public beaches and neighborhoods shaped by its maritime and military history.