Puerto Castilla, Honduras offers 1 beach perfect for sunbathing, surfing, swimming, and more. Puerto Castilla is known for its proximity to the ancient Mayan ruins of Copan. The best time to travel to Puerto Castilla, Honduras, is from February to April, with average air temperatures around 80°F (27°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!