Isla Mujeres, Mexico offers 17 beaches perfect for sunbathing, surfing, swimming, and more. Isla Mujeres is known for its stunning beaches like Playa Norte and the Underwater Museum of Art (MUSA). The best time to visit Isla Mujeres, Mexico, is from December to April, with average air temperatures around 75-85°F (24-29°C) and water temperatures about 78-82°F (26-28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!