Longbay Dune Myrtle Beach SC Homes & Real Estate For Sale ALL ACTIVE MLS Listings Longbay DuneTotal Listings:3Average Price:$298,633Highest Listing Price:$349,900Average Days On Market:281Houses For Sale Longbay Dune subdivision Myrtle Beach SC. MLS real estate listings for sale in Longbay Dune Myrtle Beach SC by price, street, age, list date, bedrooms & more Longbay Dune Myrtle Beach SC. Currently, Longbay Dune in Myrtle Beach SC has a total of three listings on the local MLS for sale with an average price point of $298,633, the max being $349,900 and the lowest priced house $263,999. The neighborhood of Longbay Dune subdivision in Myrtle Beach SC has an average house size of 888 sq ft and the average days on the market in this community is 281. 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...