Point Lookout is a hamlet and census-designated place (CDP) located in the town of Hempstead in Nassau County, New York. The population was 1,219 at the time of the 2010 census. The town is mostly made up of residential homes, with several small businesses on Lido Boulevard. The town is surrounded on three sides by water. Today, Point Lookout has become a popular location for summer residences. Among its inhabitants, it is commonly referred to as "PLO".
Point Lookout is located at the east end of Long Beach Barrier Island. It is adjacent to Lido Beach, which in turn abuts the city of Long Beach, to the west. Point Lookout covers a total area of 0.2 square miles (0.52 km2).
Long Beach Barrier Island, which lies between Reynolds Channel and the Atlantic Ocean, was originally formed by glacial deposits and includes a variety of bays, dunes, ponds, marshes, and ocean shoreline, which supports a complex ecosystem that includes a wide variety of flora and fauna.