This new 2026 Sea-Doo Switch 21' pontoon is for sale at Extreme Propulsion in Cartersville, GA. Contact Extreme Propulsion today to schedule a test drive. If this is not the exact pontoon you are looking for, do not hesitate to go back and revise your search. We are sure to have the perfect Sea-Doo for you on our showroom floor in Cartersville or arriving at our dealership soon. The North Georgia premier new and used watercraft, boat, ATV, motorcycle, and side x side dealer. Click Here for Map: 715 Joe Frank Harris Pkwy, Cartersville, GA Click Here to Call: 770-386-9430 The longest and most powerful fishing pontoon in the lineup. With 300 HP of supercharged performance, there’s space for everyone and muscle to match your biggest fishing adventures.