Kiawah is a sea island, or barrier island, on the Atlantic coast of the United States. Located 25 miles (40 km) southwest of Charleston in Charleston County, South Carolina, it is primarily a private beach and golf resort. It is home to the Kiawah Island Golf Resort, with spacious villas, beaches, large and acclaimed golf courses, and other attractions. As of the 2010 census, Kiawah Island's population was 1,626, up from 1,163 at the 2000 census. The island is part of the Charleston-North Charleston-Summerville metropolitan area. Alternative spellings and variants of the name itself include "Kiawa", "Kittiwar", and "Kittiwah". Census Tract 21.04, located on the island, has a per capita income of $168,369, the highest in South Carolina.

Charleston County is located in the U.S. state of South Carolina along the Atlantic coast. As of the 2020 census, the population was 408,235, making it the third-most populous county in South Carolina. Its county seat is Charleston. It is also the largest county in the state by total area, although Horry County has a larger land area. The county was created in 1800 by an act of the South Carolina State Legislature.