a watercraft having a seat securely carried on the watercraft , the seat having a plastic seat frame and a plastic seat back frame . the seat frame and the seat back frame are joined via a hinged connection . the bottom of the seat frame has receptacles that easily engage with engagement elements mounted on the deck of the watercraft . the seat has mechanism to easily adjust the height of the front of the seat , the height of the rear of the seat , the recline angle , and the amount of lumbar support . the seat has four legs stored under the seat frame which can be plugged into the seat frame to turn the seat into a lawnchair .