Southwest Harbor, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Southwest Harbor is known for its proximity to Acadia National Park and its picturesque harbor views. The best time to travel to Southwest Harbor, United States, is from June to September, with average air temperatures ranging from 60-75°F and water temperatures around 55-65°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
