Cayo Largo, Cuba offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Cayo Largo is known for its pristine beaches like Playa Paraiso and Playa Sirena, as well as its vibrant coral reefs. The best time to travel to Cayo Largo, Cuba, is from December to April, with average air temperatures around 77-82°F (25-28°C) and water temperatures about 77-81°F (25-27°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!