If you are looking for a truly unforgettable experience in the Mexican Caribbean, the whale shark tour in Isla Mujeres should be at the top of your list. It is not just another tourist activity in Cancun or the Riviera Maya it is a unique encounter with nature that will stay with you forever. Here are five reasons why you absolutely have to experience it. First, it is the largest fish in the world. Swimming alongside a whale shark in Mexico, which can grow over 10 meters long