Maslin Beach, Australia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Maslin Beach, South Australia, Australia, is known for its status as the first official nude beach in the country. The best time to visit Maslin Beach, Australia, is from December to February, with average air temperatures around 25°C (77°F) and water temperatures about 21°C (70°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!