Marsh Harbor Mount Pleasant SC Homes & Real Estate For Sale MLS Listings Data: Marsh HarborTotal Listings:1Average Price:$1,725,000Highest Listing Price:$1,725,000Average Days On Market:3Houses For Sale Marsh Harbor subdivision Mount Pleasant SC. MLS real estate listings for sale in Marsh Harbor Mount Pleasant SC by price, street, age, list date, bedrooms & more Marsh Harbor Mount Pleasant SC. Currently, Marsh Harbor in Mount Pleasant SCÂ has a total of one listings on the local MLS for sale with an average price point of $1,725,000, the max being $1,725,000 and the lowest priced house $1,725,000. The neighborhood of Marsh Harbor subdivision in Mount Pleasant SC has an average house size of 1,614 sq ft and the average days on the market in this community is 3. 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...