Do you long for a life filled with adventure and purpose? To inspire others and share your passion for the underwater world? Imagine yourself within the vibrant marine environment of Koh Tao, a tropical island renowned for its world-class scuba diving
and laid-back island vibes.
Start your transformative journey at Isla Tortuga Divers and dive into the depths of scuba diving and get certified as a PADI Divemaster.

Expand Your Horizons as a PADI Divemaster
Completing the PADI Divemaster course on Koh Tao with Isla Tortuga Divers unlocks a world of opportunities within the scuba diving industry.
You can work as a Divemaster at dive centres around the world, leading certified divers, assisting diving instructors on courses, and sharing your passion for diving. You can also continue your professional development by becoming a PADI Dive Instructor.
Why Choose Koh Tao for Your Divemaster course?
Koh Tao is not just a picturesque island; it is a melting pot of passionate scuba divers, experienced diving instructors, and a thriving scuba diving community.
The island’s vibrant ecosystem, coupled with our competitive diving course prices and a welcoming atmosphere, makes Isla Tortuga Divers the perfect start to your Divemaster journey.

Included in Our PADI Divemaster Course
- Real-life scuba diving learning environment and experiences
- Flexible schedule
- Rental of all Aqualung scuba equipment
- FREE use of Dive Computer
- Log book
PADI Divemaster Enrolment
- Be a Rescue Diver or equivalent
- Hold a recognized First Aid and CPR certificate valid within the last 24 months
- Minimum 18 years of age
- Have recent diving experience – we recommend completing a scuba review if you have not dived for 12 months
- Logged a minimum of 40 dives to start the course
- Medically fit to dive and cleared for diving by a physician with the last 12 months
Our PADI Divemaster course offers a flexible schedule to suit your itinerary and the course can take a minimum of 3 weeks to 8 weeks or longer to complete.

PADI Divemaster Course Learning Objectives
Knowledge Development: Dive Theory
Deepen your understanding of the science behind scuba diving, including physics, physiology, decompression theory, skills, environment and dive equipment.
Divemaster Responsibilities
Become well-versed in risk management, dive planning, supervision of certified divers, and assisting diving instructors.
Environment and Conservation
Gain insights into marine ecosystems, coral reefs, marine conservation efforts, and responsible scuba diving practices.
Divemaster Water Skills and Stamina
Skill Circuits: You will refine your dive skills to demonstration quality during neutrally buoyant skill circuit workshops.
Stamina Exercises: Build your endurance through swimming, snorkeling, and treading water.
Deep Dives: Demonstrate your ability to plan and execute deep dives safely.
Search and Recovery: Learn techniques for locating and recovering lost objects underwater.
Rescue Scenarios: Practice assisting divers in distress and participate in simulated rescue scenarios.

Koh Tao PADI Divemaster Course Candidate Information
Our PADI Divemaster course consists of three sections; Knowledge Development, In-Water skills Development and Practical Application.
Divemaster Knowledge Development
The all new PADI Divemaster e-Learning covers the following topics that you need to complete:
Role and Characteristics of a PADI Divemaster
- Supervising diving activities
- Assisting with student divers
- Diver Safety & Risk Management
- Divemaster conducted programs
- Specialised skills and activities
- The business of diving and your career
- Awareness of the dive environment
- Dive theory review
The Divemaster video is integrated within the online study materials and each section will finish with a knowledge review.
Once you have completed the knowledge review sections and you are comfortable with the information, you will take the PADI Divemaster Final Exam part 1 & 2.
You also need to prepare an emergency assistance plan (EAP). This is something you should have originally completed in your PADI Rescue Diver Course.

PADI Divemaster Water skills Development
- Water skills exercises 1 – 4 (400 & 800metre swim, 15-minute float, 100 metre diver tow)
- Equipment Exchange
- Diver rescue assessment
- Dive skills circuit (24 skill circuit)
- Divemaster Practical Application
The practical application section of your Divemaster course includes a number of in-water workshops, scenarios and assessments.
PADI Divemaster Practical Skills
- 1 – Dive site set up and management
- 2 – Mapping Project
- 3 – Dive briefing workshops
- 4 – Search & Recovery scenario
- 5 – Deep dive scenario
PADI Divemaster Conducted Programs Workshops
- 1 – Reactivate Program
- 2 – Skin Diver & Snorkeling supervisor
- 3 – Discover Scuba Diver program in confined water
- 4 – Discover Scuba Diver program – additional Open Water diver
- 5 – Discover Local Diving in Open Water
PADI Divemaster Practical Assessments
- 1 – Open Water diver students in confined water
- 2 – Open Water diver students in Open Water
- 3 – Continuing Education students in Open Water
- 4 – Certified Diver in Open Water
PADI Divemaster Professionalism Criteria
You are evaluated on your professionalism and role model behaviour throughout the PADI Divemaster training and you will be scored on a scale of 1-5 with 5 being excellent and 1 being unacceptable.
You are assessed on the following criteria and to complete the professionalism section successfully, you must score at least a 3 in all areas:
- Level of active, positive participation in the training session
- Your ability to serve as a mentor to student divers
- Willingness to follow directions
- Positive attitude and behaviour towards student divers, certified divers and staff
- Positive attitude and practice towards protection of the environment
- General understanding of the role of a PADI Divemaster
- Your appearance
To be certified as a PADI Divemaster you must meet all the knowledge development, water skills development and practical application performance requirements and meet the professional criteria.

Divemaster Completion & Certification Requirements
At least 60 logged dives including diving experience in deep diving, night diving and underwater navigation skills.
Completed a recognized Primary & Secondary Care First Aid and CPR course within the past 24 months.
PADI Divemaster Course Cost
30,000 THB
** Additional costs **
2025 Divemaster Application Fee: $AUS 275
PADI Divemaster Course Materials
8,000 THB
Divemaster Digital Crew Pack
All Divemaster candidates must have a full set of the required materials for use during the Divemaster course and to keep afterwards.
- PADI Divemaster e-Learning & Manual
- Encyclopaedia of Recreational Diving
- PADI Diving Instructor Manual
- Divemaster Slates
- DSD Cue card
- ReActivate eLearning
- Digital Electronic Recreational Dive Planner (e-RDPML)
- PADI Log Book
Insurance: 5,000 THB
PADI Divemaster equipment package costs 5,000 baht and includes all our rented standardised equipment, plus the following:
- Blank slate & pencil
- Compass
- Delayed surface marker buoy (DSMB) & basic finger spool with stainless steel double ender
- Whistle
- Rescue breathing mask
- Cutting tool

PADI Divemaster Tips and Recommendations
Be prepared to work hard: The Divemaster course is challenging but rewarding and you need to be prepared to put in the effort and dedication required to be successful.
Develop your water skills: Focus on improving your buoyancy control, trim, and finning techniques at every opportunity.
Be a team player: Being a PADI Divemaster is all about teamwork. Be willing to assist others and contribute to a positive learning environment.
Embrace the challenges: The Divemaster course will push you outside your comfort zone, but embrace the challenges and learn from your experiences.
Have fun! Enjoy the journey of becoming a Divemaster and explore the amazing underwater world of Koh Tao.
By following our Divemaster guide and choosing Isla Tortuga Divers, you can embark on an incredible journey to become a certified PADI Divemaster on Koh Tao.
This qualification will equip you with the skills and knowledge to pursue a fulfilling career in the scuba diving industry and share your passion for the underwater world with others.
Completing a PADI Divemaster program in Koh Tao, Thailand with Isla Tortuga Divers, offers many benefits.

Koh Tao World-Class Diving Destination
Abundant Marine Life: Thailand boasts diverse and vibrant marine ecosystems, from colorful coral reefs to fascinating shipwrecks, providing an incredible learning environment.
Warm, Clear Waters: Enjoy comfortable diving conditions year-round with excellent visibility, making it ideal for both diving courses and fun diving.
Variety of Dive Sites: Explore a wide range of dive sites suitable for all skill levels, allowing you to gain experience in different underwater environments.

Divemaster High-Quality Training
Experienced Instructors: Learn from highly qualified and experienced PADI pro diving instructors who are passionate about diving and dedicated to your success.
Comprehensive Course Curriculum: Gain in-depth knowledge and practical skills in dive theory, rescue techniques, dive planning, and dive leadership.
Personalised Attention: Benefit from small class sizes and personalised instruction, ensuring you receive the support and guidance you need.
Divemaster Affordable Training
Cost-Effective Programs: Compared to many other scuba diving destinations, the Gulf of Thailand offers competitive prices for Divemaster training and living expenses.
Divemaster Career Opportunities
Global Recognition: The PADI Divemaster certification is recognized worldwide, opening doors to dive jobs in various destinations worldwide.
Local Employment: Thailand’s thriving dive industry offers many opportunities for a PADI Divemaster to work in a dive centre.
Networking Opportunities: Connect with other dive professionals and potential employers, expanding your network within the diving community.
Divemaster Lifestyle and Cultural Experience
Island Life: Embrace the laid-back island lifestyle, enjoying beautiful beaches, delicious food, and vibrant nightlife.
Cultural Immersion: Experience Thai culture, traditions, and hospitality, enriching your time beyond diving.
Social Community: Meet like-minded people from around the world, creating lasting friendships and memories.
Divemaster Additional Benefits
- Improve your diving skills, confidence and competence
- Gain valuable leadership and management experience.
- Contribute to marine conservation efforts.
- Experience personal growth and development.
- Create unforgettable memories in a stunning location.
If you are passionate about diving and seeking a rewarding career path, contact us today about our accommodation options and completing a PADI Divemaster program in Thailand with Isla Tortuga Divers, can be an excellent investment in your future.
PADI Divemaster Course Cost
30,000 THB
** Additional costs **
2025 Divemaster Application Fee: $AUS 275
PADI Divemaster Course Materials
8,000 THB
Divemaster Digital Crew Pack
All Divemaster candidates must have a full set of the required materials for use during the Divemaster course and to keep afterwards.
- PADI Divemaster e-Learning & Manual
- Encyclopaedia of Recreational Diving
- PADI Diving Instructor Manual
- Divemaster Slates
- DSD Cue card
- ReActivate eLearning
- Digital Electronic Recreational Dive Planner (e-RDPML)
- PADI Log Book
Insurance: 5,000 THB
PADI Divemaster equipment package costs 5,000 baht and includes all our rented standardised equipment, plus the following:
- Blank slate & pencil
- Compass
- Delayed surface marker buoy (DSMB) & basic finger spool with stainless steel double ender
- Whistle
- Rescue breathing mask
- Cutting tool