Riverhead, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Riverhead is known for the Long Island Aquarium and Exhibition Center. The best time to travel to Riverhead, United States, is in late spring (May to June) when the average air temperature is around 65-75°F and the 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!
