San Carlos Nuevo Guaymas, Mexico offers 4 beaches perfect for sunbathing, surfing, swimming, and more. San Carlos Nuevo Guaymas is known for its stunning Sea of Cortez views, the iconic Tetakawi Mountain, and the beautiful beaches of Playa Los Algodones. The best time to travel to San Carlos Nuevo Guaymas, Mexico, is from November to April, with average air temperatures around 70-80°F and water temperatures ranging from 68-75°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!