Serruier Island, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Serruier Island is known for Ningaloo Reef, a UNESCO World Heritage site famous for its vibrant marine life and opportunities for snorkeling and diving. The best time to travel to Serrurier Island, Australia, is from May to October, with average air temperatures around 25°C (77°F) and water temperatures near 23°C (73°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!