Hardeeville is a city in Jasper and Beaufort counties in the U.S. state of South Carolina. The population was 7,473 as of the 2020 census, an increase of over 150% since 2010. Hardeeville is included within the Hilton Head Island–Bluffton metropolitan area. For many years, Hardeeville billed itself as the "Lowcountry Host" due to the prevalence of lodging and traveler-oriented facilities along U.S. Highway 17 and later Interstate 95.