Single Family Home for sale by owner in Grantsburg, WI 54840. PRICE REDUCED!!!Enjoy a beautiful home, St. Croix River, and over 100,000 acres of nature!!! This almost new 3 BR, 2.5 bath, one level, no stairs, in-floor heat, extreme low maintenance home borders state land on 3 sides. Including the St. Croix National Scenic Riverway and Gov ... more.