- Stock #286441 - Well Maintained. Runs Great. Ready for endless recreation. Located in Apache Junction, Arizona, this 18-foot used Sea-Doo Challenger 1800 is a great jet boat. Sea-Doo which is an owned subsidiary of Bombardier Recreational Products, produces a line of personal watercraft and various sport and speed boats. Plenty of room for the entire family and more as it seats up to 7 adults. A perfect first-time boat and works great to wander the lakes or great for skiing and or wakeboarding. Powered by a 240 HP Mercury V6 engine and comes with a single-axle trailer, included in the... read more