Cozumel, Mexico offers 15 beaches perfect for sunbathing, surfing, swimming, and more. Cozumel is known for its vibrant coral reefs and the Cozumel Reefs National Marine Park, attracting divers and snorkelers from around the world. The best time to travel to Cozumel, Mexico, is from March to June, when the average air temperature is around 80-85°F (27-29°C) and the water temperature is approximately 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!