Matapalo, Costa Rica offers 13 beaches perfect for sunbathing, surfing, swimming, and more. Matapalo, Guanacaste, Costa Rica, is known for its proximity to the stunning beaches of Playa Grande and Playa Ventanas, as well as the Las Baulas National Marine Park. The best time to travel to Matapalo, 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!