Crystal River, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Crystal River is known for the Crystal River National Wildlife Refuge and its manatee tours. The best time to travel to Crystal River, United States, is from November to April, with average air temperatures ranging from 50°F to 80°F and water temperatures around 72°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!