Whitney Lake Johns Island SC Homes & Real Estate For Sale MLS Listings Data: Whitney Lake Total Listings: 10 Average Price: $533,990 Highest Listing Price: $625,000 Average Days On Market: 40 Houses For Sale Whitney Lake subdivision Johns Island SC. MLS real estate listings for sale in Whitney Lake Johns Island SC by price, street, age, list date, bedrooms & more Whitney Lake Johns Island SC. Currently, Whitney Lake in Johns Island SC has a total of ten listings on the local MLS for sale with an average price point of $533,990, the max being $625,000 and the lowest priced house $429,000. The neighborhood of Whitney Lake subdivision in Johns Island SC has an average house size of 2,029 sq ft and the average days on the market in this community is 40. 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...