The present invention relates to an apparatus for attaching a pontoon to a watercraft. There is provided an a first quick-coupler adapted to be connected to the pontoon and a second quick-coupler, complemental with the first quick-coupler. adapted to be connected to the hull, wherein the first and second quick-couplers together have at least three of the following: (i) lugs that close back on themselves to form one of an open loop and a closed loop, (ii) multiple lugs arranged in a triangle, (iii) both a fixed hook and a latch, (iv) two hooks that engage the same lug and (v) two non-parallel hooks that engage the same lug.