Get a good look at whale sharks, the largest fish in the world, on this 6-hour boat tour from Cancun. After a safety briefing, cruise out to waters swimming with whale sharks and hop in! Marvel at the way the gentle giants move and feed, and spot dolphins, rays and turtles along the way. Follow this with excellent snorkeling at a reef location. Expect personalized attention on this small-group tour limited to just 10 adventure seekers. Lunch and hotel transport included.