G Series Designed and built without compromise, Sylvan G Series represents the pinnacle of pontoon boats with its inspired design. Starting with the brand new custom top rail that will make you the envy of your friends. Indulge in the luxury of ultra soft touch vinyl and high end features, such as Sylvan's SPX Third Tube Performance Package. The next best thing is here and it’s only at Sylvan. G Series DLZ The Sylvan G Series DLZ—short for Dual Lounge—offers flexible rear seating that easily converts from a 4-person picnic area to a full rear lounge, adapting to the needs of your entire crew. With multiple configurations, this layout provides comfortable, social, and versatile spaces for cruising, entertaining, or relaxing on the water, making every outing enjoyable for family and friends alike.