This ecological park is the largest natural aquarium in the world! It is formed by a large lagoon that has currents that flow out into the Caribbean Sea. Xel-Ha Park looks like a shimmering mirror and it is fed by the waters of a tranquil river. Xel-Ha Ecological Park Old Mayan legends tell of Mayan gods who mixed their wisdom and love for ''amazing things'', in order to create a place where the most beautiful natural attractions in the Caribbean are all found in one place. The ancient Maya called this area Xel-Ha ''where the water is born''. This ecological park, of breathtaking beauty, has a turquoise blue lagoon, a calm river, exuberant jungle and freshwater cenotes that when all mixed together forms a uniquely beautiful scenario, in front of the sparkling Caribbean sea.