Waterloo Estates Johns Island SC Homes & Real Estate For Sale MLS Listings Data: Waterloo EstatesTotal Listings:12Average Price:$911,782Highest Listing Price:$982,490Average Days On Market:197Houses For Sale Waterloo Estates subdivision Johns Island SC. MLS real estate listings for sale in Waterloo Estates Johns Island SC by price, street, age, list date, bedrooms & more Waterloo Estates Johns Island SC. Currently, Waterloo Estates in Johns Island SC has a total of twelve listings on the local MLS for sale with an average price point of $911,782, the max being $982,490 and the lowest priced house $851,560. The neighborhood of Waterloo Estates subdivision in Johns Island SC has an average house size of 2,563 sq ft and the average days on the market in this community is 197. 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...