Sullivans Island SC Condos For Sale MLS Listings Data: Sullivans IslandTotal Listings:1Average Price:$1,995,000Highest Listing Price:$1,995,000Average Days On Market:164Condos For Sale Sullivans Island SC. MLS real estate condominium listings for sale in Sullivans Island SC by list date, number of bedrooms, baths, & floor. Currently, condos in Sullivans Island SC have a total of one listings on the local MLS for sale in the community with an average price point of $1,995,000, the max being $1,995,000 and the lowest priced unit $1,995,000. Condo developments in Sullivans Island SC have an average unit size of 1,724 sq ft and the average days on the market in Sullivans Island SC is 164. If you have never owned a condo we suggest reading All You Should Know About Condo Ownership. RelativeSort by Year Built: low to highSort by Year Built: high to lowSort by price: low to highSort by price: high to lowSort from oldest to newestSort from newest to oldestSort by status: active to under contractSort by status: under contract to activeSort by sqft: smaller to biggerSort by sqft: bigger to smaller Filters Saving Subscribe Unsubscribe Switch to Grid View Switch to Map View Loading...