Seabrook Island Johns Island SC Homes & Real Estate For Sale MLS Listings Data: Seabrook IslandTotal Listings:3Average Price:$750,300Highest Listing Price:$1,396,000Average Days On Market:89Houses For Sale Seabrook Island subdivision Johns Island SC. MLS real estate listings for sale in Seabrook Island Johns Island SC by price, street, age, list date, bedrooms & more Seabrook Island Johns Island SC. Currently, Seabrook Island in Johns Island SC has a total of three listings on the local MLS for sale with an average price point of $750,300, the max being $1,396,000 and the lowest priced house $59,900. The neighborhood of Seabrook Island subdivision in Johns Island SC has an average house size of 1,505 sq ft and the average days on the market in this community is 89. 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 active Filters Saving Subscribe Unsubscribe Switch to Grid View Switch to Map View Loading...