Vacant Lot or Land for sale by owner in Phelps, WI 54554. The Lake Enjoy amazing sunsets on a world class musky lake! Over seven miles long and 2700 acres, North Twin lake never feels crowded. Drive your boat through a channel and enjoy another 600 acres of water on South Twin lake. Both lakes are fed by a crystal clear stream and the lake level is controlled by a small dam so you don't have to worry about flooding and you don't have to worry about having the end of your boat dock sitting on dry... See site for full property details.