Tie One On Charters is located in South Haven Michigan and offers First-Class fishing adventures on the St. Joe and Kalamazoo Rivers. Your adventure begins in a RiverWolf custom boat. RiverWolf customboats have been building world class boats for over 25 years thoroughly tested and most thought out fishing machine accommodating up to 4 people, plus Captain. These boats run in as little as 6 inches of water. Our charter boat is 20 ft x 91 inch beam with a 115 jet outboard - witha 9.9 kicker and a Minn Kota AutoPilot trolling motor.