Crystal Springs, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Crystal Springs, Arkansas, United States, is known for its proximity to the scenic Lake Ouachita and outdoor recreational activities. The best time to travel to Crystal Springs, United States, is in the spring (March to May) when the average air temperature is around 70°F (21°C) and water temperature 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!