Manhattan, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dugort is known for Keem Bay and the Slievemore Deserted Village. The best time to travel to Manhattan is in late spring (May to early June) when the average air temperature is around 65-75°F (18-24°C) and water temperature is approximately 55-65°F (13-18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!