Your Freediving Journey Starts Here

From your very first breath-hold to instructor-level mastery, AESI offers a complete, internationally recognized freediving education system. Whether you’re exploring the ocean for the first time or looking to refine your skills, our step-by-step curriculum is designed to guide, train, and inspire every diver at any level.

View Freediving Pathway

As seen in

Ant1 Psarema LemesosTV Deep
Ant1 Psarema LemesosTV Deep

A Structured Path for All Freedivers

  • Little mermaids project

    Created with the support of child psychologists and swimming instructors, this playful and educational program introduces children aged 6 to 10 to the world of freediving in a safe, fun, and engaging way. Through guided activities in a controlled pool environment, kids learn basic diving techniques, pressure equalization, and underwater movement—building water confidence while having fun.

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    ➤ Duration: 2 Hours

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  • Breathold workshop for surfers

    A dynamic course combining theory and practical training, designed specifically for surfers. Developed with input from experienced surfers worldwide, this workshop explores the history of surfing, the science of breath-holding, and how to stay calm under pressure in big wave conditions. It’s a high-adrenaline, safety-focused program that builds confidence, awareness, and breathing control for peak performance in the water.

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    ➤ Duration: 3 Days

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  • Swimming Instructor Course

    Swimming is one of the most popular and health-promoting sports worldwide. It offers cardiovascular benefits, low injury risk, and total body conditioning. This program teaches the core principles of swimming in both pool and open water settings, focusing on proper technique, safe instruction, and efficient breathing. Ideal for beginners or those looking to coach others with confidence and clarity.

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    ➤ Duration: 6 Days

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  • Freediving for People with Special Needs

    This inclusive program is specially designed to help individuals with physical, developmental, or cognitive challenges experience the freedom and comfort of the underwater world. Created with the guidance of psychologists, adaptive swimming instructors, and parents, it provides a supportive environment where participants can safely explore breath-holding and ‎underwater movement at their own pace.‎

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    ‎➤ Duration: Varies by group

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  • Breath & Exercise

    Designed for athletes involved in high-intensity training, this program focuses on optimizing breath control to improve oxygen efficiency, endurance, and recovery. Ideal for runners, swimmers, cyclists, and contact sport athletes, it combines breathing science with practical application to enhance performance and reduce fatigue.‎

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    ➤ Duration: 2 Hours

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  • Stress at Work & Breath

    This workplace-focused seminar helps employees manage stress through conscious breathing techniques. By understanding the physiology of breath and its effect on the nervous system, participants gain practical tools to stay calm, focused, and productive under pressure. Without requiring major lifestyle changes, this 2-hour session boosts well-being, emotional regulation, and performance in professional environments.

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    ➤ Duration: 2 Hours

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Upcoming Courses

Got Questions? We’ve Got You Covered.

 Frequently Asked Questions

Are the courses safe?

Yes! Apnea Education System International is built with safety as its foundation. All programs are taught by certified instructors, following proven freediving safety protocols. We teach risk management, equalization, and partner rescue from Day 1.

What gear do I need?

For most AESI courses, you’ll need basic freediving equipment including a mask, snorkel, and long-blade fins. A wetsuit appropriate for local water temperatures is highly recommended, along with a weight belt for buoyancy control during dives. While you are welcome to bring your own gear, most AESI training centers offer rental options or can help guide you on purchasing high-quality equipment suited to your level. If you’re unsure what to get, your instructor will advise you on the best choices for safety and comfort during training.

Is freediving suitable for kids?

Yes! Our “Little Mermaids Project” is a specialized pool-based freediving program for children aged 6–10 — created with the help of psychologists and swimming educators for safety and fun.

I have a disability — can I still freedive?

Absolutely. AESI offers adaptive freediving programs for individuals with physical or developmental challenges. Contact us to customize a plan that suits your needs.

Where can I take AESI courses?

AESI programs are available at certified training centers in Cyprus and Greece.

 How do I register?

Visit our Courses page to choose your level and submit your application. Or [Contact Us] for help choosing the right course for you.

How can I become an AESI Instructor?

First, complete Level III, then enroll in our Instructor Course. Once certified, you’ll be qualified to teach all AESI levels, manage groups, and assist in instructor development.

AESI Instructors
Nicolaou Nicolas Nicolaou Nicolas AESI***
Founder of AESI
Panagopoulos Antonis Panagopoulos Antonis AESI*
Instructor
Vasiliou Giorgos Vasiliou Giorgos AESI*
Instructor
George Georgiou George Georgiou AESI*
Instructor

Expanding in the
Mediterranean

Whether you’re exploring the depths of the Aegean Sea or the clear waters of the Mediterranean, AESI’s presence in these countries ensures that you’re never far from expert guidance and a supportive freediving community.

AESI Mediterranean Map