Marshfield Johns Island SC Houses For Sale MLS Listings Data: Marshfield Total Listings: 3 Average Price: $452,667 Highest Listing Price: $749,000 Average Days On Market: 210 Houses For Sale Marshfield subdivision Johns Island SC. MLS real estate listings for sale in Marshfield Johns Island SC by price, street, age, list date, bedrooms & more Marshfield Johns Island SC. Currently, Marshfield in Johns Island SC has a total of three listings on the local MLS for sale with an average price point of $452,667, the max being $749,000 and the lowest priced house $60,000. The neighborhood of Marshfield subdivision in Johns Island SC has an average house size of 2,110 sq ft and the average days on the market in this community is 210. 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...