Town Of Long Lake, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Town Of Long Lake, New York, United States, is known for the Adirondack Experience museum and the scenic Long Lake itself. The best time to travel to the Town of Long Lake, United States, is during the summer months of June to August, when the average air temperature is around 70-80°F and the water temperature is approximately 65-75°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!