Neptune Reef — a man-made underwater reef built for exploration and as a memorial site — attracts an unbelievable number of barracudas. I’d even call it a “barracuda city.” I’ve never seen so many, and so large, anywhere else. This is most likely because the reef sits inside a protected zone, where no hunting is allowed, so the fish aren’t afraid and let you get incredibly close. The sculptures and structures down there are beautiful — columns, cubes, monuments. And when the water is clear, walk