Crystal Beach, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Crystal Beach is known for its beautiful sandy beaches and the Bolivar Peninsula. The best time to visit Crystal Beach, United States, is from March to May, with average air temperatures around 70-80°F and water temperatures ranging from 65-75°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!