- Stock #352857 - 2019 SUN TRACKER PARTY BARGE 18 DLX pontoon with 4-stroke Mercury power! This 2019 Sun Tarcker Party Barge model 18 DLX pontoon boat comes with a 60 HP 4-stroke Mercury outboard engine! These 20' Sun Trackers are wonderful pontoon boats that are just perfect for a small family and are fun on the water! The owner reports that he always kept it in the boathouse and never left the boat in the open sun. Beautiful tan upholstery and deck design. It is ready to hit the water today! We are looking for people all over the country who share our love for boats. If you have a... read more