Hacienda Naranjo, Costa Rica offers 1 beach perfect for sunbathing, surfing, swimming, and more. Hacienda Naranjo, Guanacaste, Costa Rica, is known for its proximity to Rincon de la Vieja National Park and its geothermal hot springs. The best time to travel to Hacienda Naranjo, Costa Rica, is from December to April, with average air temperatures around 75-85°F (24-29°C) and water temperatures near 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!