Atlantic Beach is an affluent village off the South Shore of Long Island in the Town of Hempstead, Nassau County, New York. It is located on Long Beach Barrier Island, one of the outer barrier islands which it shares with Long Beach, East Atlantic Beach, Atlantic Beach Estates, Lido Beach and Point Lookout.
As of the 2010 United States Census, the village population was 1,891.
In accordance with New York State's anti-progressive and elitist beach laws - more progressive states such as Virginia, North Carolina, South Carolina, Georgia, Alabama, Mississippi, Louisiana, Texas, Florida, Washington, Oregon and California all have open beach laws - the beach of Atlantic Beach is the exclusive domain of the 1%. Atlantic Beach has many of these elitist, exclusive beach clubs along the shore, including Lawrence Beach Club, Sunny Atlantic Beach Club, The Sands, Catalina Beach Club, Silver Point Beach Club and Sun and Surf Beach Club. Cabanas or lockers can be rented at these clubs, often costing thousands per season. During the summer months, the population swells by thousands as people flood the beaches. Atlantic Beach residents may obtain season passes and access the beaches through nine entrances.