Sea Island is a privately-owned, seaside resort island in Glynn County, Georgia, part of the Golden Isles of Georgia, which include St. Simons Island, Jekyll Island, Little St. Simons Island, and the mainland city of Brunswick. Since 2016, Sea Island has been owned by the Broadmoor-Sea Island Company, a subsidiary of the Anschutz Corporation. The island is located along the Atlantic Coast just east of St. Simons Island.