St Johns Crossing Johns Island SC Homes & Real Estate For Sale MLS Listings Data: St Johns Crossing Total Listings: 2 Average Price: $517,500 Highest Listing Price: $565,000 Average Days On Market: 19 Houses For Sale St Johns Crossing subdivision Johns Island SC. MLS real estate listings for sale in St Johns Crossing Johns Island SC by price, street, age, list date, bedrooms & more St Johns Crossing Johns Island SC. Currently, St Johns Crossing in Johns Island SCĀ has a total of two listings on the local MLS for sale with an average price point of $517,500, the max being $565,000 and the lowest priced house $470,000. The neighborhood of St Johns Crossing subdivision in Johns Island SC has an average house size of 1,600 sq ft and the average days on the market in this community is 19. 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...