ADVANCED DIVER MEXICO

ADVANCED DIVER MEXICO Private cavern & cave guide! IANTD OW, Sidemount, Cave and Technical diving training. Personalized IANTD training to Instructor level.

15 years of experience cave diving, exploring and teaching in the Mayan Riviera, Mexico.
30 years scuba diving, 20 years as a professional Instructor! Specialized in Cave and Tec diving, exploring and imaging: Training from diver to Instructor level...
Personalized services, private courses and tours also for recreational divers! We are a team of a highly experienced Cave Divers, Instructors, Ex

plorers, Photographers & Videographers intimately familiar with all of the dive sites on the Yucatan Peninsula, Mexico. ADVANCED DIVER MEXICO was created to increase the quality and diversity of aquatic education, ADM is prepared to redefine the nature of aquatic activity in three specific areas: education, research and exploration.

15/09/2026

How good is your back kick?
Do you practice it?
Or have you simple master it all ready?
Comment bellow

Explore the magic hidden in Mexico´s crystal-clear cenotes!!!Small groups, VIP Guide!Book now dive tomorrow!
15/09/2026

Explore the magic hidden in Mexico´s crystal-clear cenotes!!!
Small groups, VIP Guide!
Book now dive tomorrow!

13/09/2026

Here is a simple, low-cost solution for securing your dive lights and inflator hoses to your gear: using an inner tube the same width as your harness webbing!!!

We’ll cut and create bands that are durable and easy to use.

Stop spending money on expensive commercial products just because they look appealing.

We’ve been exploring the Yucatán Peninsula for over 30 years using the same methods we started with—and they work.

So, if you’re looking for tricks that actually work, be sure to watch my videos.

12/09/2026

A lost line drill is a critical training exercise for cave divers to simulate the scenario of losing the primary guide line while inside a cave. This drill helps divers practice essential skills to locate the line and ensure a safe exit.

Steps for Performing a Lost Line Drill
1 Preparation:
Set up the primary guide line before starting the drill.
Ensure all divers are equipped with proper gear, including reels, safety spools, and backup lights.
Conduct the drill in a controlled environment with an experienced instructor or guide present.
2 Simulating Line Loss:
The diver closes their eyes or wears a blackout mask to simulate zero visibility.
The diver is placed a short distance away from the main line to simulate disorientation.
3 Deploy the Safety Spool:
The diver takes out the safety spool or reel and secures it to themselves (e.g., a D-ring) or another fixed point to ensure they maintain reference to their starting position.
4 Searching for the Line:
Use a systematic search pattern while maintaining physical contact with the spool or reel line.
Sweep the area methodically with one hand while maintaining the spool line taut to avoid entanglement.
Pay attention to the direction of movement and avoid unnecessary motions.
5 Locating the Primary Line:
Once the primary line is found, confirm it's the correct line by feeling for markers (if used) or checking its characteristics (tension, position, etc.).
Secure the spool line to the primary line to create a reference point.
6 Exiting the Cave:
Follow the primary line back to the exit, maintaining good buoyancy and situational awareness.
Practice calm and controlled breathing throughout the drill.
Key Points to Remember
-Always maintain a good trim and buoyancy to avoid silting out the area further.
-Practice team communication and hand signals when performing this as a team drill.
-Regularly practice this drill to build confidence and proficiency in real-world scenarios.

This drill is vital for safety and should be practiced under the supervision of a qualified cave diving instructor.

11/09/2026

During the IANTD sidemount training course, the initial steps of the program take place in the pool at our facility, allowing us to fine-tune every detail before moving to a larger, more remote location.

In cenotes, the thermocline is defined as the border or transition layer where a sudden change in water temperature occu...
11/09/2026

In cenotes, the thermocline is defined as the border or transition layer where a sudden change in water temperature occurs when descending to greater depth.

However, unlike the open ocean, in cenotes the thermocline almost always occurs associated with the halocline (the layer where fresh water and salt water are divided)

How does it work in the karst system?

The Yucatan Peninsula is a huge platform of limestone rock with no surface rivers. Rainwater percolates and forms an upper layer of fresh groundwater. Towards the coast, the intrusion of the sea penetrates below the platform, creating a stratified system:

Fresh Water (Surface): It is the groundwater that comes from rain. It is maintained at an average temperature of between 24 °C and 26 °C.

Salt Water (Deep): This is heavy sea water that seeps beneath the ground. It stays warmer, around 27°C to 28°C.

The paradox of the cenote: It's hotter below!
Unlike the ocean or lakes (where deep water is always colder), in deep cenotes the thermocline reverses the rule:

In the first meters you swim in fresh, fresh water (~25 °C).

When crossing the halocline (which is usually between 10 and 20 meters deep depending on proximity to the sea), you cross an area where floating fresh water mixes with salt water.

As you cross that barrier, you enter the deep marine layer and the temperature suddenly rises by about 2°C to 3°C.

The diver's visual and thermal experience
When crossing the thermocline/halocline in a cenote:

Blurring (refraction): When two masses of water with different density, salinity and temperature mix, vision becomes temporarily distorted or "oily."

Thermal sensation: You immediately feel a burst of noticeably warmer water enveloping your body.

Are you interested in cave diving? Here is a training option in Playa del Carmen with one of the most experienced instru...
10/09/2026

Are you interested in cave diving? Here is a training option in Playa del Carmen with one of the most experienced instructors in the state.
First, please note that to take this course, you must already hold an "Essentials" or "Fundamentals" certification to qualify for the program. This is one of the most demanding courses in the diving world, requiring dedication, seriousness, and total commitment.
If you are interested or would like information about the training I offer, please don't hesitate to contact me; remember, learning never hurts, and there is nothing wrong with asking questions.

Sincerely, Marcia (IANTD IT)

10/09/2026

When diving in cenotes, there are moments where salt water and fresh water mix, creating a blurry effect right in front of you; this is caused by the difference in density between the two types of water. We call this effect a halocline! You might not be familiar with it, but let me ask you this: do you know what a thermocline is? If you do, leave a comment.

Dirección

Diagonal 80 #18 Mza 6 Fraccionamiento Los Almendros
Playa Del Carmen
77717

Horario de Apertura

Lunes 6am - 8pm
Martes 6am - 8pm
Miércoles 6am - 8pm
Jueves 6am - 8pm
Viernes 6am - 8pm
Sábado 6am - 8pm
Domingo 9am - 8pm

Teléfono

+529841353305

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