St. Johns Lake Johns Island SC Homes & Real Estate For Sale MLS Listings Data: St. Johns Lake Total Listings: 2 Average Price: $767,500 Highest Listing Price: $775,000 Average Days On Market: 71 Houses For Sale St. Johns Lake subdivision Johns Island SC. MLS real estate listings for sale in St. Johns Lake Johns Island SC by price, street, age, list date, bedrooms & more St. Johns Lake Johns Island SC. Currently, St. Johns Lake in Johns Island SC has a total of two listings on the local MLS for sale with an average price point of $767,500, the max being $775,000 and the lowest priced house $760,000. The neighborhood of St. Johns Lake subdivision in Johns Island SC has an average house size of 3,292 sq ft and the average days on the market in this community is 71. 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...