Rio Lagartos, Mexico offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Rio Lagartos is known for the Rio Lagartos Biosphere Reserve, a popular destination for birdwatching and seeing flamingos. The best time to travel to Rio Lagartos, Mexico, is from November to April, with average air temperatures around 75-85°F (24-29°C) and water temperatures approximately 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!