Sunshine Bay, Australia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Sunshine Bay is known for Murramarang National Park and its pristine beaches. The best time to travel to Sunshine Bay, Australia, is from December to February, 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!