Lakeside Marblehead, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Lakeside Marblehead, Ohio, United States, is known for its historic Marblehead Lighthouse and scenic views of Lake Erie. The best time to travel to Lakeside Marblehead, United States, is during the summer months of June to August, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!