At about the 16:00 mark there is a medium shot of 3 characters. The one on the right pulls off his sweater and begins to unbutton his shirt. He is then shown in a 2 character shot still wearing the sweater, followed by another medium shot with the sweater off.
When the sailboat is joined by the natives, a female is shown holding onto the bow at the waterline with her feet (toes) and being pushed by the ship as the crew looked directly down at her. Later, a side view of the sailboat is shown and the bow at the waterline is several feet behind the area where a person could stand.
Mac tells Johnny "Your foot got caught in the rope". Anyone on a boat would refer to it as a line, not a rope.