Seneca, United States offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Seneca, South Carolina, United States, is known for its proximity to Lake Keowee and the Blue Ridge Mountains. The best time to travel to Seneca, United States, is in late spring (May), when the average air temperature is around 70°F (21°C) and the water temperature in nearby lakes is approximately 65°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
