Coatzacoalcos, Mexico offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Coatzacoalcos is known for its proximity to the Olmec archaeological site of La Venta and the scenic Coatzacoalcos River. The best time to travel to Coatzacoalcos, Mexico, is from November to April, with average air temperatures around 75°F (24°C) and water temperatures near 80°F (27°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!