Las Catalinas, Costa Rica offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Las Catalinas, Guanacaste, Costa Rica, is known for its car-free beach town atmosphere, Playa Danta, and the nearby tropical dry forest trails. The best time to travel to Las Catalinas, Costa Rica, is from December to April, with average air temperatures around 85°F (29°C) and water temperatures near 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!