Islesboro, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Islesboro is known for its scenic beauty and as a summer retreat for the wealthy, including the Rockefeller family. The best time to travel to Islesboro, 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!
