Guasasa, Cuba offers 1 beach perfect for sunbathing, surfing, swimming, and more. Guasasa, Matanzas, Cuba, is known for its proximity to the Zapata Swamp and the Bay of Pigs. The best time to travel to Guasasa, Cuba, is from December to April, with average air temperatures around 75-85°F (24-29°C) and water temperatures near 77-82°F (25-28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!