Ligonier Point Historic District is a national historic district located at Willsboro, Essex County, New York. The district encompasses 8 contributing buildings, 16 contributing sites, 7 contributing structures, and 3 contributing objects related to stone quarrying, boat building, and farming by the Clark family during the 19th century. They include the Clark Quarry and Farm, Scragwood, and Old Elm or the Corrin Clark Farm Complex. The Clark Quarry is represented by the remains of the Quarry Village; the principal, second, and third quarries (c. 1823-c. 1894); boatyard (c. 1860); Yacht Narragansett (c. 1880); and a boarding house (c. 1860). Scragwood, or the S.W. Clark Complex, includes a rustic dwelling built in stages between the 1830s and 1870s. Associated with Scragwood are the Cedar L