Ley Federal de Aguas Numero Uno, Mexico offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Ley Federal de Aguas Numero Uno, Baja California Sur, Mexico, is known for its proximity to the stunning natural beauty of the Sierra de la Laguna mountains and the vibrant marine life in the Gulf of California. The best time to travel to Ley Federal de Aguas Numero Uno, Mexico, is between November and 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!