Abstract: A car-top boat and canoe carrier comprising a pair of carrier members each comprising an elongate block of a foamed plastic material having a longitudinal groove provided therein for receiving in snap-on engagement the gunnels of a boat such as a canoe or car-top rowboat. Additionally, lateral or transverse slots are provided for receiving the thwart of a canoe or the oarlocks of a rowboat. After the carrier members have been snapped onto the boat, the boat is inverted, placed on the roof of a car, and the ends of the canoe or boat fastened to the bumpers with tie lines.