Shellring at St Thomas Island Charleston SC Homes & Real Estate For Sale MLS Listings Data: Shellring at St Thomas Island Total Listings: 1 Average Price: $750,000 Highest Listing Price: $750,000 Average Days On Market: 36 Houses For Sale Shellring at St Thomas Island subdivision Charleston SC. MLS real estate listings for sale in Shellring at St Thomas Island Charleston SC by price, street, age, list date, bedrooms & more Shellring at St Thomas Island Charleston SC. Currently, Shellring at St 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 Shellring at St Thomas Island subdivision in Charleston SC has an average house size of 1,836 sq ft and the average days on the market in this community is 36. 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...