Koolan Island, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Koolan Island is known for its iron ore mining operations and rugged natural beauty, attracting visitors interested in industrial tourism and scenic landscapes. The best time to visit Koolan Island, Australia, is from May to September, with average air temperatures around 25°C (77°F) and water temperatures near 24°C (75°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!