Single Family Home for sale by owner in Turtle Lake, WI 54889. This is a beautiful private piece of property! This 4 season lake home was built in 1993. It is on 1.36 acres of manicured lawn with sprinkler system, and mature trees on Upper Turtle lake. This is a 1 .5 story A-Frame home with a 22 Ft fieldstone fireplace with kozy heat inse ... more.