Bolivar Peninsula, United States offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Bolivar Peninsula is known for Crystal Beach, a popular destination for beachgoers and vacationers. The best time to travel to Bolivar Peninsula is from March to May, with average air temperatures ranging from 65°F to 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!