Located in Montauk, Gosman's Dock to Culloden Beach is a stretch of coastline that is approximately 1.5 miles long. The sand on the beach is soft and fine-grained, and its color ranges from white to light beige. activities available at the beach include swimming, sunbathing, fishing, and surfing. Other amenities at the beach include lifeguards on duty during the summer months, public restrooms, and dogs are allowed on a leash.