Brand new in the box last years model of this item
http://www.amazon.ca/Sportsstuff-53-2213-Big-Mable-Towable/dp/B000FPZSZW
Will work great as a lounger if you attach it to the dock.
Excellent reviews on US Amazon website
http://www.amazon.com/SPORTSSTUFF-53-2213-Big-Mable-Towable/product-reviews/B000FPZSZW
Popular inflatable towable
Dual tow points at front and back; unique backrest and front riser construction
Heavy-duty, full nylon cover with zipper; patented Aluminum Quick Connect tow point and Speed Safety Valve
EVA foam pads throughout; multiple grab handles with knuckle guards
Please email or call if interested