Syosset, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Syosset, New York, United States, is known for its proximity to the historic Oheka Castle and the Cold Spring Harbor Laboratory. The best time to travel to Syosset, United States, is during late spring (May to June) when the average air temperature is around 60-75°F, and the nearby ocean water temperature is approximately 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!
