Side Lake, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Side Lake, Minnesota, United States, is known for McCarthy Beach State Park. The best time to travel to Side 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!
