Atlantic Highlands, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Atlantic Highlands is known for the historic Twin Lights Lighthouse and the scenic Mount Mitchill Scenic Overlook. The best time to travel to Atlantic Highlands, United States, 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!