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Dive centre · Riviera Maya · Mexico

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Under the Jungle

Specialised cave and technical diving based at the Tajma Ha cenote with private guided excursions and Nitrox 32% included.

What sets this centre apart

  • TDI affiliated centre specialising in cave and technical diving
  • Private guided dives with a maximum of three divers per guide
  • Includes transport from the centre to the cenotes for guided dives
  • Nitrox 32% is included for all guided dive excursions
  • Specialised training for JJ-CCR, Fathom Gemini, and KISS Sidewinder
  • Advanced cave training including DPV and sidemount configurations
  • Opportunities to participate in scientific and mapping projects
  • Cenote entry fees are included in guided dive packages

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Under the Jungle about the centre

Located at the Tajma Ha cenote in Puerto Aventuras, Under the Jungle is a centre built for divers who want to move beyond recreational limits. While they welcome all levels, the heart of their operation lies in the intricate cave and technical systems that define the Yucatan peninsula.

The centre is established on a philosophy of exploration and scientific rigour. Rather than simple sightseeing, the focus is on developing the skills necessary for true autonomy in overhead environments, often involving participation in mapping and scientific projects.

The club and its team

The team is composed of full-time technical and cave divers who bring real-world exploration experience to their instruction. This expertise is reflected in their training approach, which is designed to build competence through practical, experience-based learning.

For guided explorations, the centre maintains a strict ratio of maximum three divers per guide. All guided dives are 100% private, ensuring that the pace and direction of the dive are dictated by your specific interests and skill level.

The centre at a glance

Affiliation
TDI
Certification level
Premier
Website available in
English · French · Korean · German · Spanish
Divers per guide
3
Equipment rental
complet
Nitrox
Yes
Rebreather
Yes
Trimix
Yes
Access and transfers
Transport from the dive centre to the cenotes included. In most cases, there is no need to hire a car.
Address
México 307 km 269, 77776 Puerto Aventuras, Q.R., Mexico
Official website
underthejungle.com

Courses on offer

As a TDI affiliated centre, Under the Jungle offers a comprehensive range of technical and cave certifications. Their curriculum covers the entire progression from Intro to Cave and Cavern Diver through to Full Cave, Stage Cave, and Advanced Sidemount Cave Diver.

They are highly specialised in rebreather training, providing instruction on the JJ-CCR, Fathom Gemini CCR, and KISS Sidewinder. Additionally, they offer DPV Cave courses and Sidemount Crossover training, alongside TDI Instructor courses for those looking to teach.

Equipment and gases

The centre provides full equipment hire for those travelling without their own kit. For technical divers, they offer support for manifolded doubles and sidemount configurations.

Nitrox 32% is available and included for guided dives. The facility is well-equipped to handle the specific needs of technical divers, including support for rebreather users and sidemount divers.

Dive sites with Under the Jungle

Cenote Tajma Ha is a premier cave site used for Intro to Cave training. The main line leads to the 'Room of Reflections', where air pockets create stunning visual effects on the cave formations.

Cenote Ponderosa, also known as Jardin de Eden, offers diverse environments including the River Run with its impressive halocline and the Little Joe Line. It serves as a key site for Stage Cave and DPV Cave exercises.

Cenote Tucan is a visually striking sinkhole with significant depth, reaching approximately 18 metres. It features pronounced haloclines and layers of tannic water, with a debris cone starting at 5 metres.

Cenote Melmak provides a unique experience with sepia-coloured hydrogen sulphide chambers in the shallows and sparkling saltwater passages in the deeper sections. The main passage winds through sediment dunes between 7.6 and 21.3 metres.

And some of the dive sites the centre runs.

Cenote Ponderosa (Jardin de Eden)Cenote TucanCenote MelmakCenote UrsusCenote X'tbayChan HolChan Aktun HaMinotauroMayan BlueCenote Naval

Marine life around Riviera Maya

The cenote systems host a variety of specialised life. You may encounter tarpon in the more open sections of the cave systems, such as near Cenote Ursus.

In the smaller caverns and entries, schools of fish are common, often swirling in large groups near the light zones. Mayan gobies can also be found within these freshwater and brackish environments.

Diving conditions

Divers should be aware that some cenotes can experience siphon currents. While many sites offer calm conditions, others like Cenote Melmak may have a gentle drift, and Cenote Ursus can experience siphon effects.

Water clarity and light levels vary significantly depending on the specific site and the presence of hydrogen sulphide layers or haloclines.

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