The 18th legislative district encompasses the northern portion of Huntington Township. The district includes the communities of Cold Spring Harbor, Lloyd Harbor, Huntington Village, Halesite, Huntington Bay, Centerport, Northport, Asharoken and Eaton's Neck. Its southern border includes a large part of Huntington Station and Greenlawn and a small section of East Northport. Historic Route 25A winds its way through the district, which was once rolling farmland. Now it is a thriving community, offering a wide variety of living and working environments.