Rockville Wadmalaw Island SC Houses For Sale MLS Listings Data: Rockville Total Listings: 2 Average Price: $1,349,500 Highest Listing Price: $1,399,000 Average Days On Market: 63 Houses For Sale Rockville subdivision Wadmalaw Island SC. MLS real estate listings for sale in Rockville Wadmalaw Island SC by price, street, age, list date, bedrooms & more Rockville Wadmalaw Island SC. Currently, Rockville in Wadmalaw Island SC has a total of two listings on the local MLS for sale with an average price point of $1,349,500, the max being $1,399,000 and the lowest priced house $1,300,000. The neighborhood of Rockville subdivision in Wadmalaw Island SC has an average house size of 4,001 sq ft and the average days on the market in this community is 63. 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...