Salt Marsh Seabrook Island SC Homes & Real Estate For Sale MLS Listings Data: Salt MarshTotal Listings:1Average Price:$1,400,000Highest Listing Price:$1,400,000Average Days On Market:54Houses For Sale Salt Marsh subdivision Seabrook Island SC. MLS real estate listings for sale in Salt Marsh Seabrook Island SC by price, street, age, list date, bedrooms & more Salt Marsh Seabrook Island SC. Currently, Salt Marsh in Seabrook Island SCÂ has a total of one listings on the local MLS for sale with an average price point of $1,400,000, the max being $1,400,000 and the lowest priced house $1,400,000. The neighborhood of Salt Marsh subdivision in Seabrook Island SC has an average house size of 2,522 sq ft and the average days on the market in this community is 54. 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 Saving Subscribe Unsubscribe Loading...