our kind of puzzling free lunch after strangely unfulfilling snorkel excursion. we were the only people on our boat of 8 who claimed (legitimately) to have paid for the free grilled fish lunch. So we were dropped off at this beachside joint with one of the boat crew members, who cooked a fish for us. He said: "it's going to be about half an hour." In the meantime, we watched people wade out to a nearby water pen that contained a glum 7-foot Nurse shark. it was equal parts sad & puzzling. afterwards the boat came back and returned us to the dock, about 200 yards down the beach. Very strange, but not unpleasant.