Thomas Island Charleston SC Homes & Real Estate For Sale MLS Listings Data: Thomas Island Total Listings: 1 Average Price: $750,000 Highest Listing Price: $750,000 Average Days On Market: 2 Houses For Sale Thomas Island subdivision Charleston SC. MLS real estate listings for sale in Thomas Island Charleston SC by price, street, age, list date, bedrooms & more Thomas Island Charleston SC. Currently, Thomas Island in Charleston SCĀ has a total of one listings on the local MLS for sale with an average price point of $750,000, the max being $750,000 and the lowest priced house $750,000. The neighborhood of Thomas Island subdivision in Charleston SC has an average house size of 0 sq ft and the average days on the market in this community is 2. Relative Sort by Year Built: low to high Sort by Year Built: high to low Sort by price: low to high Sort by price: high to low Sort from oldest to newest Sort from newest to oldest Sort by status: active to under contract Sort by status: under contract to active Saving Subscribe Unsubscribe Loading...