Take your skills to the next level

Speciality courses

We officially offer the widest range of dive training on Koh Tao. When you want to go deeper or gain more experience, you can continue your education with our extensive selection of Specialty Courses.

Summer Promotions (valid only limited time)

Deep Diving and Nitrox speciality combo save up to 4,500THB

2 dives 7000THB - 4 dives 8500THB

Private room for 4 nights only 1,000THB

Choose double or twin room, max 2 persons

Specialty Courses

SSI Wreck Diving

Wrecks are fascinating dive sites, each with their own story. Learn the basics of wreck diving safely and comfortably!

SSI Enriched Air Nitrox

Get longer bottom times on Nitrox, or Enriched Air. Excellent when paired with Deep or Wreck Specialties!

SSI Navigation

Find your way underwater and skip the unnecessary surface swims! Learn to use the compass and natural landmarks to enhance your dives.

SSI Night and Limited Visibility

See the nocturnal animals that hide during the day. You will also learn more about how to deal with limited visibility on dives, and how to stay in contact with your buddy.

SSI Recreational Sidemount

Double your gas supply, discover a new kind of trim, and get aquainted with new diving gear!

SSI Perfect Buoyancy

The foundation for all diving, this course helps you find the best diving position and your optimal weighing.

SSI Deep Diving

Dive deeper, down to 40 metres, learn more about the depths and gain more experience!

SSI Advanced Wreck Diving

Wrecks are fascinating dive sites, each with their own story. Learn the basics of wreck diving safely and comfortably!

SSI Search and Recovery

Learn how to find and recover lost gear, big and small, on this specialty course!

SSI Marine Ecology

Learn more about the oceans we all come from, discover ecological diving and figure out how to ID all the colourful fishes!

Specialty Diver Combos

When one specialty course is too narrow for you, you can do combos! KTD offers a selection of specialty courses which support each other optimally.

On the combos you can reach the SSI Specialty Diver rating! This is the first SSI recognition level, granted automatically when you finish two specialty courses and have logged at least 12 dives.

Below you can find some of our most popular combos, but feel free to ask us for any combination of the Specialty Courses!

Deep Diver Combo

Combine Deep and Nitrox diver courses, get certified to 40 metres and learn to use enriched air for longer bottom times!

Eco Diver Combo

Combine the Marine Ecology with the Perfect Buoyancy Specialty and become an Eco Diver!

Wreck Explorer Combo

Learn more about wreck diving, and how to dive around them safely. Combine the Perfect Buoyancy and Wreck Diving specialties, and become a Wreck Explorer!

Advanced Open Water combos

The SSI Advanced Open Water Diver is a recognition rating for divers, who have finished 4 specialty courses and logged at least 24 dives. Take your pick of our extensive selection of specialties and take your diving to the next level.

Dive It All Combo!

This combo gives you it all - Deep, Wreck, and Nitrox courses, and the Buoyancy skills to execute the dives in style!

Ready to Be Pro Combo

Dive like a pro or get ready for your professional level courses! Combine the Deep, Night & Limited Visibility, Navigation, and Stress & Rescue specialties!

Master diver

The SSI Master Diver is the recognition level for those who have at least 4 specialty courses plus the Stress & Rescue course, and have logged at least 50 dives. Take your pick from our Specialty Course list, start the challenge!

Give us a shout

Sairee beach, Koh Tao - Thailand

Office hours 9.30-18.00

Tel. +66 77 457 085

Mob. +66 86 06 99244

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We also dive in Malta!

KTD Malta website

Photo credits to Fat Fish Movies, Anna Kekkonen, Irena Stangierska, Fredrik Lindblad and Mikko Paasi