Millville, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. East Devonport, Tasmania, Australia, is known for the Spirit of Tasmania ferry terminal, which connects the island to mainland Australia. The best time to travel to Millville, United States, is in late spring (May to June) when the average air temperature is around 70°F (21°C) and the water temperature is approximately 60°F (16°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!