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Open Water Course on Koh Lanta

Get Certified in Paradise

Learn to Dive on Koh Lanta

Get certified as an Open Water Diver Course here on Koh Lanta, and open up a whole new exciting underwater world of adventure with an internationally recognised scuba diving certification.

Hawksbill Sea Turtle (Eretmochelys imbricata)

If you've ever wondered what it's like to explore coral reefs, swim with turtles, or watch sharks hunting in the shallows, take the Open Water Diver course here on Koh Lanta with us!

What is the Open Water Diver Course?

The Open Water Diver Course is a beginner level scuba diving certification, during which, you'll learn how to be a safe diver, how to properly use scuba equipment and how to plan and execute dives. During the course, you'll also learn how to deal with problems, and how to help your buddy.

The Open Water Course consists of three main sections:

  1. Knowledge development to learn the theory and important concepts of scuba diving.
  2. Confined Water Dives conducted off the beach or in a swimming pool, where you'll learn all the important skills to be a safe diver.
  3. Complete the 4 Open Water qualification dives over a two day period. You'll explore coral reefs at some of our amazing dive sites, where you'll repeat and master the skills learned in confined water.

Once you've completed the Open Water Diver course, you'll have the knowledge and skills required to dive almost anywhere in the world.

How Deep Can I Go on the Open Water Course?

The Open Water Diver course certifies divers up to 18m, 60 feet, which is perfect for exploring some of Thailand's best dive sites from Koh Lanta.

Open Water Diver Course on Koh Lanta with Dive & Relax

After you've completed the Open Water Course, you can sign up for the Advanced Adventurer Course here on Lanta to improve your knowledge of the underwater world, learn lots of new diving skills, and get certified to dive up to 30m, 90 feet.

How big are the Open Water Course Groups?

Our experienced and professional instructors teach in very small groups, with typically only one or two students with each instructor (maximum 3).

This means that we can provide the very highest level of service and personal attention for each and every student.

What is the Open Water Course schedule?

We teach both the SSI and PADI Open Water Diver courses, with the main differences being the price, and the fact that you can study online at home with the SSI app and complete all of the theory before you arrive on Koh Lanta.

You will need to complete 4 - 5 hours self study here on Lanta on Day 1, a further 2 -3 hours self study and theory review with your instructor on Day 2, completing the course theory on the afternoon of Day 3.

The course schedule is as follows:

Day 1
AM:
Check-in with us at our dive shop @ Lanta Castaway Beach Resort between 10 am and 12 noon to complete the paperwork, diver medical, check equipment sizes, and receive the self-study materials.
PM:
4 - 5 hours self-study with online materials at your resort or on the beach.
Day 2
AM / PM:
Theory review and confined water skills practice at the beach or in a swimming pool.
PM:
Further 2 - 3 hours self study in the afternoon/evening.
Day 3
AM:
Open water dives 1 & 2 at Koh Haa, Koh Rok, or Koh Bida/Koh Phi Phi.
PM:
Complete the diving theory & exam with your instructor.
Day 4
AM:
Open water dives 3 & 4 at Koh Haa, Koh Rok, or Koh Bida/Koh Phi Phi.
PM:
Process your Open Water Diver Certification. Congratulations, you are now a certified diver!

If you choose the SSI theory/online home study option before you arrive on Lanta then we can release the course materials to you as soon as your booking is confirmed. As long as you complete the theory online before starting the course then you only need to do the final exam here on Lanta, and you can check in with us later on the first day.

Book online to save 10% on dive trips and scuba courses on Koh Lanta.

What is the Open Water Course Theory?

The Open Water Diver course theory consist of several knowledge development sections, each building on the previous section, until you have everything you need to be a safe diver.

The course theory will cover important topics, including the effects of pressure, safe diving practices, scuba diving equipment, the buddy system, and more.

Depending on your pace of learning, you can expect to spend between 60 and 90 minutes on each knowledge development section.

What's included in the Open Water Confined Skills Session?

The confined water session is conducted in shallow water, where you will learn and practise the skills necessary to be a competent and safe diver.

During the confined water session, you'll learn:

  • Equipment assembly
  • Pre-dive safety checks
  • Mask and regulator clearing
  • Alternate air-source use
  • Buoyancy control
  • Communicating using hand signals
  • Ascent and Descent procedures
  • How to help yourself and your buddy deal with problems

Where are the Open Water Course Dives?

The first day of open water dives begins with a thorough pre-dive briefing from your instructor followed by two open water dives to a maximum of 12M at one of the spectacular dive sites around Koh Lanta, such as Koh Haa, Koh Rok, or Koh Bida.

Open Water Diver Course on Koh Lanta with Dive & Relax

The second day of open water dives will be to a maximum of 18m, again at one of our amazing dive sites, Koh Haa, Koh Rok, or Koh Bida.

During each dive, you'll explore the extensive coral reefs with your instructor, perfecting your buoyancy, building your confidence, and discovering the wonderful marine life on the dive sites around Koh Lanta.

After returning to Koh Lanta in the early afternoon, you'll log the dives in your new dive log book - included in the course price.

What will I see during the Open Water Dives?

During your open water dives, you'll have a chance to see hundreds of different species of marine life around Koh Lanta at some of Thailand's best dive sites and coral reefs.

How much does the Open Water Course cost on Koh Lanta?

If you book online before arriving on Lanta then we're happy to give you a 10% discount on our normal Walk-in prices.

Dive Course Online Price Walk-In Price
SSI Open Water Diver(3.5 days, 4 dives, includes free e-Learning & insurance) ฿13,050 ฿14,500
PADI Open Water Diver(3.5 days, 4 dives) ฿14,310 ฿15,900
PADI Open Water Diver e-Learning(3 days, 4 dives, includes PADI e-Learning fees) ฿16,500 ฿16,500
  • Download the SSI App and affiliate to Dive & Relax to accesss all the course materials before you arrive on Lanta.
  • Includes free equipment rental, lunch and soft drinks on the boat.
  • Does not include Marine Park Diving Fee: Adult ฿600, Child: ฿400 per day.

How to Book the Open Water Diver Course on Koh Lanta?

Send us an email and let us know when you plan to visit Koh Lanta, how many people are in your group and when you would like to start the course.

We can then send you all the necessary information, answer your questions and tell you how to pay the course deposit online to confirm your Open Water Diver Course booking with us.

Scuba Courses Available on Koh Lanta

Are you Fit to Dive?

Whilst scuba diving is a very safe activity, it is important to know that you are fit to dive and that you do not have any fitness or medical conditions that could increase your risk of an accident underwater.

If you answer 'yes' to any of the medical questions, please print the entire form and take to your family doctor who will assess your fitness to dive and issue a medical statement which we must see before you start diving.

Find out more with the UK based Diving Diseases Research Centre.

Book online to save 10% on dive trips and scuba courses on Koh Lanta.

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Diving, Snorkeling & PADI Courses

Send us an email and we'll get back to you as soon as possible.

  • Please let us know:

    • when will you arrive on Koh Lanta?
    • your previous dive experience?
    • which diving activities you are interesed in?
  • If you're already here on Lanta, you can call or WhatsApp +66 (0)89 050 3009