Dunedin, United States offers 18 beaches perfect for sunbathing, surfing, swimming, and more. Dunedin is known for its beautiful beaches, particularly Honeymoon Island State Park, and its vibrant Scottish heritage. The best time to travel to Dunedin, United States, is from March to May, with average air temperatures ranging from 70°F to 85°F and water temperatures around 70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!