St Johns Crossing Johns Island SC Homes & Real Estate For Sale MLS Listings Data: St Johns CrossingTotal Listings:2Average Price:$537,000Highest Listing Price:$565,000Average Days On Market:70Houses 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 SCÂ has a total of two listings on the local MLS for sale with an average price point of $537,000, the max being $565,000 and the lowest priced house $509,000. The neighborhood of St Johns Crossing subdivision in Johns Island SC has an average house size of 1,589 sq ft and the average days on the market in this community is 70. RelativeSort by Year Built: low to highSort by Year Built: high to lowSort by price: low to highSort by price: high to lowSort from oldest to newestSort from newest to oldestSort by status: active to under contractSort by status: under contract to active Saving Subscribe Unsubscribe Loading...