Island House Sullivans Island SC Homes & Real Estate For Sale

Houses For Sale Island House subdivision Sullivans Island SC. MLS real estate listings for sale in Island House Sullivans Island SC by price, street, age, list date, bedrooms & more Island House Sullivans Island SC. Currently, Island House in Sullivans Island SC  has a total of one listings on the local MLS for sale with an average price point of $749,000, the max being $749,000 and the lowest priced house $749,000. The neighborhood of Island House subdivision in Sullivans Island SC has an average house size of 486 sq ft and the average days on the market in this community is 28.