Sandcastle South Myrtle Beach SC Homes & Real Estate For Sale ALL ACTIVE MLS Listings Sandcastle SouthTotal Listings:28Average Price:$108,025Highest Listing Price:$129,000Average Days On Market:63Houses For Sale Sandcastle South subdivision Myrtle Beach SC. MLS real estate listings for sale in Sandcastle South Myrtle Beach SC by price, street, age, list date, bedrooms & more Sandcastle South Myrtle Beach SC. Currently, Sandcastle South in Myrtle Beach SC has a total of twenty-eight listings on the local MLS for sale with an average price point of $108,025, the max being $129,000 and the lowest priced house $84,000. The neighborhood of Sandcastle South subdivision in Myrtle Beach SC has an average house size of 416 sq ft and the average days on the market in this community is 63. 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...