Single Family Home for sale by owner in Castle Rock, CO 80108. THE LAND is on the west shore of Shadow Mountain Lake. True lake front property is hard to come by, particularly in Colorado. This is truly lake front property with 120' of frontage on the lake. Unlike many properties that represent themselves as lake front, Shadow Mountain Lake's water line does not fluctuate more than 6 inches. The water line is up year around. Included is access to a private (HOA maintained 7slip) dock just 350 feet from the back door. A boat lift large enough for a 22' ski boat is included. Unlike so many lake ...