Condos For Sale Grande Dunes – Marina Inn Myrtle Beach SC MLS Listings Data: Grande Dunes - Marina InnTotal Listings:9Average Price:$359,022Highest Listing Price:$439,000Average Days On Market:153Condos For Sale Grande Dunes - Marina Inn Myrtle Beach SC. MLS real estate condominium listings for sale in Grande Dunes - Marina Inn Myrtle Beach SC by list date, number of bedrooms, baths, & floor. Currently, Grande Dunes - Marina Inn condos in Myrtle Beach SC have a total of nine listings on the local MLS for sale in the community with an average price point of $$359,022, the max being $$439,000 and the lowest priced unit $$259,000. The Grande Dunes - Marina Inn condo development of Myrtle Beach SC has an average unit size of 1,622 sq ft and the average days on the market in this community/building is 153. If you have never owned a condo we suggest reading All You Should Know About Condo Ownership. 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...