Lamoine, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Lamoine is known for Lamoine State Park, which offers scenic views of Frenchman Bay and access to outdoor activities. The best time to travel to Lamoine, United States, is during the summer months of June to August, 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!