Our 321 Ultra Lounge pontoons are 22' 4 in length and come standard with a 90HP engine, max 175HP, on 28.5 inch diameter tubes. It has a 32-gallon fuel tank, elevated fence panels for drainage and ventilation, heavy anodized railings and bimini frames, and plenty of lounge area with under seat storage. The console includes illuminated gauges, waterproof Bluetooth stereo with speakers, USB device port, and so much more.