Marshfield Johns Island SC Homes & Real Estate For Sale MLS Listings Data: MarshfieldTotal Listings:3Average Price:$452,667Highest Listing Price:$749,000Average Days On Market:210Houses 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. 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 Filters Saving Subscribe Unsubscribe Switch to Grid View Switch to Map View Loading...