Open Water Diver course in the paradise | Koh Tao Divers, Thailand

SSI Open Water Diver

Learn to dive in Koh Tao

This globally-recognized certification program is the best way to begin your life-long adventure as a certified scuba diver. Personalized training is combined with in-water practice sessions to ensure you have the skills and experience required to become truly comfortable underwater. 

Upon completion of the course you will be certified to dive to a depth of 18m (60ft) with a dive buddy of equal or higher certification.

The Open Water Diver course takes about three days, and after you can gain more experience on fun dives or continue your education on our wide range of specialty courses.
The certification is valid for the rest of your life, meaning that you can dive with anywhere in the world!

Our courses have a maximum of four students per instructor, and when conditions allow, you will do your practice on our home reef, Sairee, in front of our shop! This way you can check out the multicoloured reef fish when taking your first breaths underwater.

Start Learning Today

Our international and multilingual team offers diving courses in multiple languages and we use the most advanced online learning system on the market. 

  • Who can take this course?

    • Minimum age 10 years old
    • Able to swim 200m
    • If you clear the medical questionnaire with only “NO” answers, you can sign up. Please consult your physician if you get any “YES” answers before diving
  • Duration

    • 3 days
  • Price includes

    • 4 dives
    • Equipment rental
    • Online materials - Rental kit (Online access to the digital training materials 3 months prior the certification)
    • Light refreshments on the boat; tea, coffee, water, fruits
    • Log book
    • Digital certification
  • Online training

    Download the SSI appOur course price includes rental kit version of the  Online training that can be used with an internet browser 3 months prior your certification. However we recommend our students to upgrade their materials to diamond access. Benefits:

    • Download the SSI appLifetime Online & Offline access to digital training materials
    • 2-year access to the Digital Divelog on the DiveSSI app
    • Downloadable to 3 different devices

    Upgrade to diamond access +1,000 THB / course

    If you change your mind later and want to upgrade to diamond access, please email us This email address is being protected from spambots. You need JavaScript enabled to view it.



  • Good to know

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Price: 9,900THB

Upgrade to lifetime Online & Offline access to the digital training materials + 1,000THB

Upon booking you are required to pay a deposit of 2.000 THB.

Don´t miss these promotions

Open Water Diver Course + Private Room 3 nights starts from 11,000 THB

Give us a shout

Office hours 9:00-18.00

Mob. +66860699244 (Whatsapp) 

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

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TAT license #34/01497