Sheep Island Summerville SC Houses For Sale MLS Listings Data: Sheep Island Total Listings: 26 Average Price: $535,908 Highest Listing Price: $1,900,000 Average Days On Market: 266 Houses For Sale Sheep Island subdivision Summerville SC. MLS real estate listings for sale in Sheep Island Summerville SC by price, street, age, list date, bedrooms & more Sheep Island Summerville SC. Currently, Sheep Island in Summerville SC has a total of twenty-six listings on the local MLS for sale with an average price point of $535,908, the max being $1,900,000 and the lowest priced house $60,000. The neighborhood of Sheep Island subdivision in Summerville SC has an average house size of 2,001 sq ft and the average days on the market in this community is 266. 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...