Coronado, Costa Rica offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Coronado, Puntarenas, Costa Rica, is known for its proximity to the lush Carara National Park and the famous Tarcoles River, home to large populations of American crocodiles. The best time to travel to Coronado, Costa Rica, is from December to April, with average air temperatures around 75-85°F (24-29°C) and water temperatures around 80°F (27°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!