Amagansett, United States offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Cunit is known for its beautiful beaches along the Costa Dorada and its proximity to the Penedes wine region. The best time to travel to Amagansett 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!