Swim with whale sharks on a full-day tour from Cozumel. Ride the ferry to the Playa del Carmen where you transfer to a smaller boat with your guide. Head out into the waters of the Mexican Caribbean to snorkel with the whale sharks that come to the Yucatan Peninsula every summer. Afterward, visit Isla Mujeres and have lunch there before returning to the ferry. Your tour includes guide, lunch, and pickup and drop-off at Playa del Carmen ferry port.