Gunnison Beach is located in Gateway National Recreational Area in Highlands, NJ. This clothing optional beach is big and attracts nearly 5,000 naturists per weekend during the summer. Because it's in a national park, there's a small fee to get into the park ($10). Follow the signs to 'Gunnison Beach' parking lot and ask folks where to go. On a clear day, you can see the Manhattan skyline. For more info, go to http://www.gunnisonbeach.org/