Dive centre
Underworld Tulum
A Tulum dive centre offering guided cavern dives for recreational divers, guided cave dives for certified cave divers, and cave, trimix and CCR training through several agencies including SSI and NSS-CDS.
Official website ↗ Contact page ↗
A listing is not an endorsement. We do not rate or rank providers. Check an instructor's current status with their training agency, and ask about ratios, teaching sites and conditions before booking.
Cave and cavern courses
Cave diving courses at all levels, Trimix courses, Closed-circuit rebreather training
Regions served
Tulum, Riviera Maya
Rental
Equipment rental included on courses and guided dives, per the provider.
Gas
Nitrox included on courses (unless agency standards prohibit it) and on guided cavern dives.
As stated on the provider's own website on 2026-10-14. Services and prices change; confirm directly.
Training affiliations
| Organisation | How we know |
|---|---|
| Scuba Schools International | Stated on the provider's website · page ↗ |
| National Speleological Society Cave Diving Section | Stated on the provider's website · page ↗ |
| Technical Diving International | Stated on the provider's website · page ↗ |
| International Association of Nitrox and Technical Divers | Stated on the provider's website · page ↗ |
| BSAC | Stated on the provider's website · page ↗ |
Sources:
[1] Underworld Tulum ↗[2] Underworld Tulum ↗[3] Underworld Tulum ↗[4] CREER Line and Safety Committee ↗
· checked 2026-10-14
Every fact on this page, with its source (5)
| Fact | Status | Source |
|---|---|---|
| Underworld says courses are offered through SSI, NSS-CDS, TDI/SDI, IANTD and BSAC, describes itself as an SSI Instructor Training Centre and names an NSS-CDS instructor trainer on staff.Agency locators not checked. | Reported | [1] [2] |
| Underworld lists training from try dives through advanced cave, trimix and closed-circuit rebreather, without naming individual course titles. | Reported | [2] |
| Underworld offers guided cavern dives for recreational divers and guided cave dives for certified cave divers, with nitrox included on guided cavern dives and equipment rental included. | Reported | [3] |
| CREER held a community event at Underworld Tulum in April 2024.Confirms the business operates in Tulum. | Verified | [4] |
| Underworld mentions an on-site dive shop and apartments. | Reported | [1] [3] |
Verified: stated by an official or primary source we opened. Reported: from a secondary source only. Sources conflict: the note gives both versions. May be out of date: the newest source we found is old.
Written in our own words from the sources above. Report a correction