Abstract: A boat having a rear transom and a horizontally enlarged platform fixed to the rear transom and projecting rearwardly from an outer rear surface thereof. A dinghy support arrangement is mounted on the platform for supporting an inflatable dinghy adjacent the transom in generally raised relationship above the water. The dinghy support arrangement includes a horizontally and sidewardly spaced pair of enlarged rings for supportingly engaging tapered rear end portions of the inflatable dinghy. Each ring has an opening therethrough for permitting insertion of one of the tapered rear end portions partially therethrough. The pair of rings are fixedly but releasably attached to the swim platform.