Oldest, Most Expensive Mansion in South Carolina Hits the Market...but There's a Twist

October 26, 2018

The more than 200-year-old estate in Charlestown is now on the market for $16 million. The Sword Gate house, named for the wrought iron gate at its entrance, was built in 1810 as a private residence, but later became a private all-girls school. It's known to be haunted by the former headmistress.