ORMOND BEACH SCUBA FIELD GUIDE
TDI Advanced Nitrox in Mexico’s Cenotes — a three-day step into technical diving
A 3-day TDI course based in Mexico’s Yucatán cenotes that teaches enriched-air nitrox from EAN 21 through EAN 100 and lays the groundwork for technical cave and CCR/SCR diving.
TDI Advanced Nitrox in Mexico’s Cenotes — a three-day step into technical diving.
Unlock your technical diving future in Mexico’s stunning cenotes. Over three intensive days (eight hours each), this TDI Advanced Nitrox course teaches the use of enriched air mixtures, offers hands-on training in crystal-clear flooded caves, and includes transfers and accommodations so you can focus on the skills that will form the foundation of a technical diving career.
Highlights
Outing Highlights
World-class cave and cenote access
This Mexico-based class gives you access to the Yucatán’s flooded cave systems—crystal-clear water and dramatic formations that make practical nitrox training unforgettable.
Enriched air across the full EAN range
The course qualifies divers to use enriched air nitrox from EAN 21 through EAN 100 and covers planning for dives to a maximum of 130 feet for non-staged-decompression dives—an essential technical foundation.
Training, transfers and lodging handled
Designed as an immersive program, the package includes e‑learning plus training materials and licensing, daily transfers to the cenotes, airport transfers, accommodation in the dive house, and lunch on each diving day.
What the day feels like
What the three days feel like
Expect focused, practical days: e‑learning and classroom briefings pair with in-water sessions in cenotes. Over three days of roughly eight-hour training blocks, you’ll refine gas-planning and oxygen-management skills, practice enriched-air procedures across a wide mix range, and apply those techniques in cavern environments that illustrate why this course is the foundation for technical and CCR/SCR diving.
Suitability
Who it's for
Who this course suits—and who should wait.
Practical planner
Details to review before reserving
Three days of instruction, approximately eight hours each day; e‑learning is included to complete prior to in-person sessions.
Bring your personal dive gear as applicable to your certification level; the program supplies training materials, e‑learning access, and licensing as part of the package.
E‑learning, training materials and licensing, daily transfers to the cenotes, airport transfers, accommodation in the dive house, and lunch on each diving day are included.
Course dates are placeholders; once booked, the Mexico training facility will contact you to arrange a personalized training schedule and coordinate transfers.
Review cancellation policies before reserving.
Frequently asked questions
Planning Your Outing
How long is the TDI Advanced Nitrox course?
The course runs three days with about eight hours of training each day; e‑learning is included to complete before in-person sessions.
What are the age and certification prerequisites?
Minimum age is 18 (15 with parental consent). You must hold TDI Nitrox Diver or equivalent certification and provide proof of 25 logged open-water dives.
What nitrox mixes and depths does the course cover?
The course qualifies divers to use enriched air from EAN 21 through EAN 100 and covers planning for dives to a maximum depth of 130 feet for dives that do not require staged decompression.
Are transfers, lodging and meals included?
Yes: daily transfers to the cenotes, airport transfers, accommodation in the dive house, and lunch on each diving day are included in the program.
Are course dates fixed at booking?
Course dates listed are placeholders; once booked the Mexico training facility will contact you to arrange a personalized training schedule.
Is this course necessary for CCR or SCR divers?
TDI Advanced Nitrox is commonly required and cited as a must for SCR or CCR divers as a foundational technical qualification.