Mariners Cay Folly Beach SC Homes & Real Estate For Sale MLS Listings Data: Mariners Cay Total Listings: 10 Average Price: $398,275 Highest Listing Price: $599,000 Average Days On Market: 213 Houses For Sale Mariners Cay subdivision Folly Beach SC. MLS real estate listings for sale in Mariners Cay Folly Beach SC by price, street, age, list date, bedrooms & more Mariners Cay Folly Beach SC. Currently, Mariners Cay in Folly Beach SC has a total of ten listings on the local MLS for sale with an average price point of $398,275, the max being $599,000 and the lowest priced house $20,000. The neighborhood of Mariners Cay subdivision in Folly Beach SC has an average house size of 837 sq ft and the average days on the market in this community is 213. 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... COMMUNITIES FOLLY BEACH BY DEVELOPMENT Active Listings Avg Days on Market Avg DoM Avg Price A