Grande Dunes – Cascadia Myrtle Beach SC Homes & Real Estate For Sale ALL ACTIVE MLS Listings Grande Dunes - CascadiaTotal Listings:3Average Price:$901,333Highest Listing Price:$945,999Average Days On Market:106Houses For Sale Grande Dunes - Cascadia subdivision Myrtle Beach SC. MLS real estate listings for sale in Grande Dunes - Cascadia Myrtle Beach SC by price, street, age, list date, bedrooms & more Grande Dunes - Cascadia Myrtle Beach SC. Currently, Grande Dunes - Cascadia in Myrtle Beach SC has a total of three listings on the local MLS for sale with an average price point of $901,333, the max being $945,999 and the lowest priced house $859,000. The neighborhood of Grande Dunes - Cascadia subdivision in Myrtle Beach SC has an average house size of 2,286 sq ft and the average days on the market in this community is 106. 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...