Topsail Hill Preserve State Park is a 1,640-acre Florida State Park located in Santa Rosa Beach, ten miles (16 km) east of Destin, off U.S. 98, in northwestern Florida. The address is 7525 W. Scenic Highway 30A. The park has over three miles of white sand beaches, as well as sand dunes, lakes, unique plant and animal life, and wetlands. It is named for a sand dune which stands nearly 25 feet above sea level.