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Sullivan’s Island South Carolina Last Updated: 05/04/2026 |
| Sullivan's Island is a town and island in Charleston County, South Carolina, located at the entrance to Charleston Harbor, with a population of 1,791 in 2010 and 1,891 in 2020. The town is part of the Charleston metropolitan area and is considered a very affluent suburb of Charleston. | |
South Carolina » Sullivans Island
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