Two Rocks, Australia offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Two Rocks is known for the Atlantis Marine Park, a former theme park featuring the iconic King Neptune statue. The best time to travel to Two Rocks, Australia, is from November to March, with average air temperatures around 25-30°C (77-86°F) and water temperatures around 20-22°C (68-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!