Our 320 pontoons are 20’4” in length and come with a standard 60HP engine (max 90HP) on our 25” diameter tubes. If opting for 28.5” diameter tubes, it comes with a standard 90HP engine (max 140HP). It has a 17-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!