The Long Island Central Pine Barrens is a large area of publicly protected pine barrens in Suffolk County, New York, on Long Island, covering more than 100,000 acres. The Barrens operates in a similar manner to Adirondack Park, with public lands managed by a mix of federal, state, county and local public land managers intermixed with private inholdi…The Long Island Central Pine Barrens is a large area of publicly protected pine barrens in Suffolk County, New York, on Long Island, covering more than 100,000 acres. The Barrens operates in a similar manner to Adirondack Park, with public lands managed by a mix of federal, state, county and local public land managers intermixed with private inholdings.