Back Bay Folly Beach SC Back Bay Condos Folly Beach Real Estate Listing on MLS. Condos for sale on Folly Beach SC. View all condos for sale on Folly Beach SC including Back Bay or search by price, beachfront, waterfront, location, size, and development. MLS Listings Data Total Listings: 2 Average Price: $883,500 Highest Listing Price: $899,000 Average Days On Market: 33 Relative Sort by Year Built: low to high Sort by Year Built: high to low Sort by price: low to high Sort by price: high to low Sort from oldest to newest Sort from newest to oldest Sort by status: active to under contract Sort by status: under contract to active Saving Subscribe Unsubscribe Loading... ALL CONDOS NEIGHBORHOODS Active Listings Avg Days on Market Avg DoM Avg Price A