Bethany Beach, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Bethany Beach is known for its family-friendly boardwalk, the Bethany Beach Bandstand, and the annual Bethany Beach Boardwalk Arts Festival. The best time to travel to Bethany Beach is from late May to early September, with average air temperatures around 75-85°F and water temperatures ranging from 70-75°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!