The Dunlawton Plantation and Sugar Mill, a 19th-century cane sugar plantation in north-central Florida, was destroyed by the Seminoles at the beginning of the Second Seminole War. The ruins are located at 950 Old Sugar Mill Road, Port Orange, Florida. On August 28, 1973, the site was added to the United States National Register of Historic Places under the title of Dunlawton Plantation-Sugar Mill Ruins.