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Scuba, Technical & Cave Diving in Koh Lanta
Scuba Diving Instructor & Dive Center–Koh Lanta, Thailand
A Family-Run Dive Shop with a Passion for the Ocean
OK Club Diving Center has been welcoming divers and snorkelers to Koh Lanta since 2011.
Founded by Sergey Goncharenko – PADI instructor and SDI-TDI Instructor Trainer who built this center from his love of the sea & the sport – The center is today run by Andre and Saara Longchamps and a small team of certified of certified SSI and IANTD instructors.
We are a family-run operation and that is exactly the atmosphere we want to feel: personal, welcoming, focused entirely on quality and safety rather than numbers. Our shop is located in Phra Ae village on Koh Lanta, in the premises of Lanta Sport Resort.
The Only Technical & Cave Diving Center on Koh Lanta
OK Club is an SSI Diamond Instructor Training Center (ITC) and an official IANTD training facility — the only dive center on Koh Lanta island offering both recreational and full technical and cave diving certification.
Our courses range from your first breath underwater to advanced technical cave diving programs, all taught to the highest international standards.
Whether you are a complete beginner taking your SSI Open Water Diver course, an experienced diver pursuing Extended Range or Full Cave certification, or a dive professional enrolling in our SSI Instructor Training Course — you will find the right program here.
Safety, Education & Fun – In That Order
We take diving education and safety seriously.
Our instructors are multilingual and experienced across a wide range of diving environments — from the coral reefs of Koh Haa and the deep walls of Hin Daeng in the Andaman Sea to the overhead environments of cave diving sites in Krabi and Nakhon Si Thammarat area, every student gets individual attention, at their own pace. Every diver we take in the water gets our full focus —
We keep our groups small by design because that is the only way to do this properly.
Meet the People Behind Your Dive
Our instructors come from different countries and backgrounds, but share the same commitment: making every dive safe, educational, and memorable.
Meet the full team — including their certifications, experience, and the dive specialties they teach.
→ Meet our certified SSI & IANTD dive instructors
THE TEAM
ANDRE LONGCHAMPS
After many hard working years in the food industry, André decided to spend his holidays in Egypt in 2010, with friends who were already certified scuba divers. At this time he had no interest in scuba diving.
This holiday was life changing. After his first dive, André decided to become a scuba diver and two years later he became an instructor. His new job gave him a possibility to travel and gain work experience in Egypt, Turkey, France and Thailand.
André also enjoys jumping out of airplanes and is a skydiving coach. So when he is not in the ocean, you might see him in the sky.
SAARA LONGCHAMPS
Saara has a background in the media industry, but also many years of work experience in restaurant and hospitality business. She has always loved travelling and exploring new cultures and places. During her travels around South East Asia, she visited Krabi in Thailand, and immediately felt like home. She soon fell in love with scuba diving and started her career in this fascinating underwater industry.
Today, Saara is living her dream, as she combines her media skills with scuba diving and the amazing underwater world.
SERGEY GONCHARENKO Founder
Instructor and founder of Abyss in St. Petersburg (Russia) and OK Club Thai on Koh Lanta (Thailand).
Sergey had his first underwater experience in 2007 and became a PADI Instructor in 2009, followed by his certification as TDI-SDI Instructor. He worked in many places like Indonesia, Thailand, Norway and Egypt and was a high-skilled instructor whose love and passion for the sea were endless. Sergey suddenly passed away in 2017 (non-diving incident) and we are keeping his legacy alive.
ALJA SIEBER
Alja worked most of her career as a Philanthropy specialist for the Red Cross, raising funds for humanitarian work. After years in the office, she decided to trade her desk for the underwater world — a place that had always fascinated her.
Now, as an SSI Instructor, Alja enjoys introducing beginners to the magic of diving and helping more experienced divers feel confident and even more at ease beneath the surface.
FELIX DESCHENES
Felix has been diving since 2016 and has shared his passion professionally as an instructor since November 2017. In 2020, he expanded his skills to become both a full cave and sidemount diver.
He has taught in stunning locations all around the world — with most of his time spent in Thailand, Malaysia, and Mexico — always bringing a friendly, patient approach to every dive.
If he’s not underwater, you’ll probably find him on a long walk with his dogs, enjoying the simple moments between adventures.
IORITZ VILLANUEVA
Ioritz has been living the ocean life for over three years. In the water all year round, he works as a sailing instructor in the summer and as an underwater photographer in the winter.
He has also worked in hospitality, where he learned a great deal about people — how to connect, communicate, and create memorable experiences. Having traveled extensively, different places and cultures have shaped the way he sees the ocean and the world.
Diving changed his life. Beneath the surface, he found his passion, his career, and a new perspective.