Mahahual Xcalak, Mexico offers 1 beach perfect for sunbathing, surfing, swimming, and more. Mahahual, Xcalak, Quintana Roo, Mexico, is known for the Great Maya Reef and Banco Chinchorro Biosphere Reserve. The best time to travel to Mahahual and Xcalak, Mexico, is from November to April, with average air temperatures around 75-85°F (24-29°C) and water temperatures around 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!