Underworld is a purpose-built facility in the perfect location to take advantage of some of the best diving in the world. Recreational divers can explore the caverns of the Riviera Maya and experience the marine life of the world’s second biggest coral reef. For technical and cave divers, we have everything you need, including scooters, rebreathers and an amazing variety of beautiful caves. Whether you want to learn to dive or complete advanced training in cave or trimix diving, we can offer the right course for you through TDI/SDI, BSAC, IANTD and PADI.