ABOUT HALOCLINE EXPLORERS
Your Specialist in Cenote Diving, Cave Diving and IANTD Training in Mexico
At Halocline Explorers, we guide divers from around the world through Mexico’s cenotes, the reefs of Cozumel and some of the best dive sites in the Riviera Maya.
Our priority is simple: to provide safe, high-quality diving experiences in small groups. Whether you want to explore your first cenote, develop your cave or technical diving skills, or complete an IANTD course, every experience is adapted to your level and objectives.
Meet Your Instructor

Julien Garnier — IANTD Instructor Trainer
Founder of Halocline Explorers • Over 30 years of diving • Over 15 years of professional experience
Julien Garnier has worked as a professional scuba diving instructor for more than 15 years and is an IANTD Instructor Trainer, one of the organization’s highest professional teaching ratings.
He trains and guides divers and instructors from around the world, from their first cenote dives to advanced cave diving, Full Cave, Trimix and CCR training.
A former member of the military and police, Julien has developed a teaching approach based on discipline, clear instruction and safety. His objective is to share his experience in a professional, personalized and friendly environment, allowing every diver to progress with confidence, whatever their level.

International Diving Experience
Throughout his career, Julien has worked in several world-renowned diving destinations, including Mexico, the Bahamas, the Maldives, Malta, Egypt, Sudan and Indonesia.
As a dive center manager, liveaboard cruise director, technical diving instructor and IANTD Instructor Trainer, he has trained and guided divers of all levels in a wide range of environments, from coral reefs to demanding underwater cave systems.
This international experience allows Halocline Explorers to offer a modern approach adapted to every level, based on proven diving practices acquired around the world.

Our Philosophy
At Halocline Explorers, every dive is organized around three essential values.
Safety
Thorough preparation, proven procedures and small groups allow every diver to explore in the best possible conditions.
Education
Every diver progresses at their own pace through personalized guidance, clear explanations and training adapted to their experience and objectives.
Respect
We are committed to protecting Mexico’s cenotes, coral reefs and marine life so that these exceptional environments can be enjoyed by future generations.
Why Choose Halocline Explorers?
✔ Small groups for a personalized diving experience
✔ IANTD Instructor Trainer and carefully selected professional partners
✔ Specialist in cenote diving and cave diving in Mexico
✔ Transportation from Playa del Carmen included for most activities
✔ Guidance available in French, English and Spanish
✔ A professional approach based on safety, education and environmental respect
Over 30 Years of Diving
A lifelong passion behind every dive.
Over 15 Years of Professional Experience
Diving operations, instruction and exploration around the world.
IANTD Instructor Trainer
Specialist in Full Cave, Trimix and CCR training.
Français • English • Español
Personalized guidance in your preferred language.
Ready to Explore the Wonders of Mexico?
Whether you want to discover the cenotes of the Riviera Maya, explore the reefs of Cozumel, join a guided cave dive or complete an IANTD course, Halocline Explorers will guide you with professionalism, safety and passion.
Rejoignez Halocline Explorers
Notre équipe vous accompagne pour vivre une expérience sûre, personnalisée et inoubliable.
Cénotes • Cozumel • Playa del Carmen • Plongée technique • Formations IANTD
Petits groupes. Sécurité maximale. Encadrement professionnel.
Join Halocline Explorers
Our experienced team provides safe, personalized, and unforgettable diving experiences.
Cenotes • Cozumel • Playa del Carmen • Technical Diving • IANTD Training
Small groups. Maximum safety. Professional instruction.
Únete a Halocline Explorers
Nuestro equipo te acompaña para vivir una experiencia segura, personalizada e inolvidable.
Cenotes • Cozumel • Playa del Carmen • Buceo técnico • Formación IANTD
Grupos reducidos. Máxima seguridad. Atención profesional.

