Hilton Head Island is a resort town in Beaufort County, South Carolina, United States. It is a barrier island within the South Carolina Lowcountry, located 20 miles (32 km) northeast of Savannah, Georgia, and 95 miles (153 km) southwest of Charleston. The year-round population was 37,661 at the 2020 census, although during the peak of summer vacation season the population can swell to 150,000. It …