Abstract: A recreational vehicle includes a body with an interior living area and an exterior storage area. The recreational vehicle also includes a kitchen assembly at least partially positioned within the exterior storage area. The kitchen assembly includes a frame coupled to the exterior storage area, a drawer slideable with respect to the frame and the body, a sink assembly positioned on the drawer and including a sink cabinet, a countertop coupled to the sink cabinet to create an interior region, a sink bowl coupled to the countertop, and a drain coupled to the sink bowl. The kitchen assembly also includes a first gray water tank in fluid communication with the drain and positioned within the interior region of the sink cabinet. A pump is positioned within the first gray water tank.