Dune Crest Seabrook Island SC Homes & Real Estate For Sale MLS Listings Data: Dune Crest Total Listings: 2 Average Price: $592,250 Highest Listing Price: $639,999 Average Days On Market: 100 Houses For Sale Dune Crest subdivision Seabrook Island SC. MLS real estate listings for sale in Dune Crest Seabrook Island SC by price, street, age, list date, bedrooms & more Dune Crest Seabrook Island SC. Currently, Dune Crest in Seabrook Island SC has a total of two listings on the local MLS for sale with an average price point of $592,250, the max being $639,999 and the lowest priced house $544,500. The neighborhood of Dune Crest subdivision in Seabrook Island SC has an average house size of 918 sq ft and the average days on the market in this community is 100. 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...