Sandcastle South Myrtle Beach SC Homes & Real Estate For Sale ALL ACTIVE MLS Listings Sandcastle SouthTotal Listings:4Average Price:$104,700Highest Listing Price:$124,900Average Days On Market:291Houses 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 four listings on the local MLS for sale with an average price point of $104,700, the max being $124,900 and the lowest priced house $79,900. The neighborhood of Sandcastle South subdivision in Myrtle Beach SC has an average house size of 428 sq ft and the average days on the market in this community is 291. 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 activeSort by sqft: smaller to biggerSort by sqft: bigger to smaller Filters Saving Subscribe Unsubscribe Switch to Grid View Switch to Map View Loading...