Sapelo Island, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Sapelo Island is known for the Sapelo Island National Estuarine Research Reserve and the historic Hog Hammock community. The best time to visit Sapelo Island is in late spring or early fall, with average air temperatures around 70-80°F and water temperatures around 70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!