Condos For Sale Mariners Cay Folly Beach SC MLS Listings Data: Mariners CayTotal Listings:4Average Price:$542,000Highest Listing Price:$649,000Average Days On Market:149Condos For Sale Mariners Cay Folly Beach SC. MLS real estate condominium listings for sale in Mariners Cay Folly Beach SC by list date, number of bedrooms, baths, & floor. Currently, Mariners Cay condos in Folly Beach SC have a total of four listings on the local MLS for sale in the community with an average price point of $$542,000, the max being $$649,000 and the lowest priced unit $$495,000. The Mariners Cay condo development of Folly Beach SC has an average unit size of 1,343 sq ft and the average days on the market in this community/building is 149. 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 activeSort by sqft: smaller to biggerSort by sqft: bigger to smaller Filters Saving Subscribe Unsubscribe Switch to Grid View Switch to Map View Loading...