This charming area in Del Carmen Beach is a cave full of amazing bat nests, it contains part of an underground river, which you can visit as part of a tour, although del Carmen contains other underground rivers, this is the largest of them, and it is the only one Which provides a tourist guide to accompany you, and the guided tour provides you with special equipment for diving and swimming in the river, and the opportunity to enjoy and relax in this place that you will never find. The magician of nature.