Lost City, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Lost City, Oklahoma, United States, is known for its proximity to the Cherokee Heritage Center, which showcases the rich history and culture of the Cherokee Nation. The best time to travel to Lost City, United States, is in late spring when the average air temperature is around 70°F and the water temperature is approximately 60°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!