Largs Bay, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Largs Bay, South Australia, Australia, is known for the Largs Pier Hotel and its beautiful sandy beaches. The best time to travel to Largs Bay, Australia, is from December to February, with average air temperatures around 25°C (77°F) and water temperatures near 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!