Waterloo Estates Johns Island SC Houses For Sale MLS Listings Data: Waterloo Estates Total Listings: 7 Average Price: $904,348 Highest Listing Price: $982,490 Average Days On Market: 214 Houses 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 seven listings on the local MLS for sale with an average price point of $904,348, 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 2,598 sq ft and the average days on the market in this community is 214. 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...