Scuba Diver – Open Water Upgrade

Are you a certified Scuba Diver? Then you’re half-way to becoming a PADI Open Water Diver already. You can upgrade your limited license at any time and become a fully certified Open Water Diver in just 2 days.

As a Scuba Diver you are certified to dive when accompanied with a PADI professional to a maximum depth of 12m. The upgrade teaches students how to become a more independent diver, through understanding the dive principles behind diving-related accidents, DCI, ascent rates, safety stops and how to plan dives. In just two days you can upgrade your limited certification to full PADI certification, allowing you a lifetime licence to dive to 18 m, anywhere in the world.


Day 1

10:00 – 16:30
(classroom & pool)
Watch DVD’s and learn how to use dive computers to plan and execute your dives. Complete your Knowledge Review and final exam in the morning. After lunch it’s time to get wet! Move to the pool to practice the more complex underwater skills, such as scuba unit removal and replacement underwater.


Day 2

08:00 – 15:30
(day on the boat)
Your mission today is to complete your final 2 training dives to 18m. During the boat journey to the dive sites you’ll set up your equipment, discuss dive objectives, plan your dives on your computer and conduct your pre-dive safety checks before each dive. You’ll perform an underwater compass swim, remove your mask underwater and marvel at the reef residents around you!


  • Certified Scuba Diver
  • Age 10+
  • 2 Days
  • Can Swim
  • In Good HealthAdd a Tooltip Text

Like Fun & Adventure!

PADI Scuba Diver to Open Water Upgrade, Age 10+, 2-days

9,950 THB    

Why Choose Scubafish?

What languages can I learn in?

We run fully supported PADI dive courses in:

  • English
  • German
  • Swedish
  • French

Course materials (DVDs, manuals, quizzes & exams) are available in many other languages allowing us to run the following semi-supported courses:

  • Danish
  • Norwegian
  • Finnish
  • Thai
  • Spanish
  • Italian
  • Dutch
  • Japanese
  • Chinese
  • other languages available on request

eLearning courses are available in most languages.

What's included in the price?

The Scuba Diver to Open Water Upgrade course costs 9,950 THB and includes:

  • Free transfers to & from any Lanta resort
  • Small groups (max 4 per Instructor)
  • The lastest PADI course materials & manuals
  • PADI certification fees (incl. digital photos)
  • As much pool time as you need
  • Dive equipment rental
  • Dive computer & compass rental
  • Log binder
  • Waterproof zip bag
  • Free Scubafish T-Shirt

When you are out on the dive boats we also include:

  • Breakfast
  • Lunch
  • Drinking water
  • Iced Coffee
  • Fruit juices
  • Fizzy drinks
  • Tea & coffee
  • Fresh fruit
  • Towels

Optional Extras:

  • Private Instructor – 2,000 THB p/day
  • Extra Course Dive x1 – 3,700 THB
  • Extra Course Dive x2 – 5,200 THB

Additional Fees:

National Marine Park Entry Fees:

600 B p/dayHigh Season only (November-April)


Become a PADI Open Water Diver:

  • Lifetime license to dive anywhere in the world
  • Worldwide recognition
  • Certified to dive to a max depth of 18m (60 ft)
  • You don’t have to be accompanied by a PADI professional
  • Add an exciting new dimension to your world!
9,950 THB

How often do courses run?

Courses start every day, at around 09.00. You can book now, or come in to see see us while you’re on holiday in Ko Lanta. We offer free transfers to and from your resort in Ko Lanta for any of our dive courses or daily dive trips.

How long does each dive last?

It depends how long it takes you to breathe one tank of Air. Each 12L tanks is filled to 200 BAR. An average male can expect around 40 mins on their first dive and 45-50 mins on the second dive. An average female can expect her air to last a little longer. Your air tends to last longer the more relaxed you are and the less you exert yourself underwater.

What's the next step?

Becoming a certified PADI Open Water Diver is only the start! A whole new world of adventure is waiting for you.

Your next step would be to complete the full Advanced and Specialty Diver courses in which you broaden your range of diving skills and experiences.

Once you’re certified, you can also make some dives for fun! Scubafish is ideally located in the South of Ko Lanta to offer shorter journey times on daily dive trips to some of the best dive sites in Thailand.

The PADI Open Water Diver Course will give you a license to dive to a max depth of 18m, anywhere in the world.

Need more information - Send us a message

What will I learn in the PADI Scuba Diver to Open water Upgrade Course?

The 2 day course is split into three segments which include academic training, self-study sessions, pool work and 2 open water dives:


During the classroom session in the morning you’ll increase your knowledge, and discover further dive principles required to enable you to plan and execute your dives more independently in our classroom session; Watch DVD’s, learn about physiological concerns and how to use and plan your dive on a dive computer.

PADI courses are designed to help you learn in the way that’s best for you. Courses combine visual, reading, writing and practical learning techniques to ensure you really understand each section.

Watch DVD presentations, complete 2 knowledge reviews, 1 quiz and the final exam to cement your learning.

Scuba Diver Classroom Learning Session

In the afternoon, you’ll move to one of our resort pools to start the practical section. Refresh your Scuba Diver skills if necessary, then complete the more complex underwater-skills training in one of our swimming pools; apply dive procedures, simulate common situations and increase your confidence in shallow water before progressing to the sea. Skills include the no mask swim, hovering, scuba removal and replacement underwater amongst others. Practice underwater skills and complete your confined-water training.

You’ll have plenty of time to get comfortable with your equipment and instructor, practise some common dive procedures, simulate potential problematic situations and scenarios and increase your confidence about scuba diving in shallow water before progressing on to make your dives in the ocean.

Scuba Diver - Pool Training Session

During the day out on the boat, you’ll complete your final 2 open water dives to 18m under the direct supervision of your PADI Instructor. You’ll set up your equipment, practice pre-dive safety checks and successfully perform some of the skills you practiced in the pool applying all you’ve learnt to actual dive sites.

You must complete a basic waterskills assessment in which you are required to swim or float for 10 minutes in deep water. Complete your learning by applying the principles you learned in the pool to your open water dives and enjoy some of the fantastic marine life that Ko Lanta has to offer.

Scuba Diver - Day Out on the Boat



PADI Course Health Requirements

You must complete and sign the PADI Medical Statement, which includes a medical-history section, to enrol in PADI scuba training programs. A positive response to a question does not necessarily disqualify you from diving but indicates a pre-existing condition that may affect your safety while diving. Your doctor would be required to complete the PADI Medical Statement & Guidelines for Recreational Scuba Diver’s Physical Examination on your behalf in this instance. PADI - the way the world learns to dive

National Marine Park Fees

Please note that during High Season (November – May) everyone is required to pay 600 THB per day National Marine Park Fee when out at the Lanta Dive sites.

Since this is a seasonal charge, this is not included in the course price.


Have you checked out our Frequently Asked Questions?


About PADI - the way the world learns to dive


Personal Teaching Methods
The Scubafish Service
Learning Options for PADI Courses


PADI Scuba Diver to Open Water Upgrade, Age 10+, 2-days

9,950 THB    



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