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Divemaster

The Blue Marlin Gili Trawangan Divemaster Program is designed to transform passionate divers into capable leaders through hands-on experience, personalised mentorship, and constant time in the water. From assisting on courses to guiding fun divers and mastering dive planning, you’ll develop the confidence and competence needed to launch a career anywhere in the world

Blue Marlin delivers world-class training at a level that sets you up for real success — combining decades of experience, industry reputation, and a name that carries weight wherever you go.

Course Highlights

Epic Training, Good Vibes

Learn from one of Indonesia’s most trusted dive centres while soaking up the island lifestyle. You’ll sharpen your skills, build real confidence, and have a laugh doing it — because becoming a pro doesn’t have to feel serious 24/7

Real Diving, Real Fun

From guiding divers to assisting on courses, you’ll be in the water every day gaining actual experience — not just ticking boxes. Expect heaps of time underwater, plenty of teamwork, and the kind of moments that turn a course into a lifelong memory

Community, Friends & Sunsets

Join a crew of instructors, DMs, and divers from all over the world. Think post-dive debriefs over sunset beers, island BBQ nights, and a support network that stays with you long after the course. This is where dive careers — and friendships — really start

What Can I Do As A Divemaster?

Work Around the World

Becoming a Divemaster opens the door to a life many people only dream about. From bustling tropical dive shops to luxury yachts, liveaboards, and island resorts, you’ll have the chance to work in some of the most incredible corners of the planet. Your office becomes the ocean, your commute is a boat ride, and your co-workers are reef sharks, turtles, and divers from every walk of life

Assist and Mentor New Divers

As a Divemaster, you’re the calm voice and friendly face that helps new divers fall in love with the underwater world. You’ll assist instructors on real courses, support Discover Scuba Diving experiences, and guide students as they take their first breaths underwater. You’re part mentor, part safety guru, and part cheerleader — and the person students will always remember

Lead Incredible Dives

This is where you really shine. You’ll guide certified divers on unforgettable underwater adventures, deliver fun, clear dive briefings, and explore sites with confidence and style. Whether it’s finding that hidden turtle at Shark Point or gliding along a drift with your group behind you, you become the leader people trust to show them the best of the ocean

Grow Your Teaching Toolkit

As a Divemaster, you’re already stepping into the world of leadership — and you’ll gain the skills to run programs like Skin Diver and Scuba Review, assist with snorkelling, and develop the foundation for becoming a future instructor. It’s the perfect stepping stone: more responsibility, more impact, and a taste of what’s to come if you continue your pro journey

Real Experience

Assist real students, guide divers, and become part of the daily dive operation

World-Class Training

Train with a globally respected dive centre known for producing confident, highly employable dive professionals

Dive. Live. Repeat.

Enjoy island life, sunrise dives, and sunset beers with your new dive family

Your Next Step

Turn your passion into a profession — your journey starts here

Unlimited Diving, Unlimited Growth

At Blue Marlin, you’ll log more real dives than almost anywhere else — often 60–100 dives during your training. Every day brings new sites, new conditions, and new chances to refine your buoyancy, awareness, leadership, and in-water confidence.

The Original Dive Centre of the Gilis

With over 33 years of teaching and exploration, Blue Marlin is the island’s original dive shop and one of Indonesia’s most trusted names in professional training. You’ll learn in a centre built on decades of experience, high standards, and a reputation that carries weight worldwide.

Real Courses, Real Experience

You’ll work alongside full-time instructors on actual PADI programs every day — DSDs, Open Water, Advanced, Rescue, and Divemaster courses. That means real students, real challenges, and real leadership opportunities under genuine dive-centre conditions.

The Gili Islands Lifestyle

There’s no better place to become a dive pro. Warm water, turtles everywhere, drift dives, thriving reefs, beach sunsets, great food, and a buzzing island community make the Gilis a dream environment for long-term training and adventure.

Specialists in Tech, Pro Training & Mentorship

As Indonesia’s leading tech centre, Blue Marlin gives you access to technical diving culture, active tech instructors, and DMT discounts if you choose to explore that path. You’ll also be mentored by seasoned instructors and Course Directors who’ve trained thousands of dive pros worldwide.

A Dive Family for Life

Blue Marlin is more than a dive centre — it’s a community. Monday Madness nights, island events, post-dive sunsets, and daily moments with your DM crew are a huge part of the experience. You’ll leave with new skills, confidence, and friendships that last long after the course.

During your Divemaster you will...

1. Assist instructors on real PADI courses (DSD, OW, A1. Assist instructors on real PADI courses (DSD, OW, Advanced, and Rescue)

2. Learn how to brief, guide, and manage certified divers

3. Refine your buoyancy, finning, and in-water problem-solving skills

4. Master underwater navigation, search & recovery, and dive planning scenarios

5. Conduct dive site briefings and manage group logistics

6. Demonstrate all 24 PADI Divemaster skills to demonstration standard

7. Strengthen your knowledge of physics, physiology, decompression theory, and dive tables

8. Develop rescue awareness and supervision techniques

9. Join workshops, skill circuits, and weekly knowledge reviews

What Do I Need To Start?

To start your PADI Divemaster course, you’ll need to be at least 18 years old, a certified PADI Rescue Diver (or equivalent), have a valid EFR within the last 24 months, and around 40 logged dives under your belt — you’ll need 60 to finish.

If you’re not quite there yet, don’t worry. You can complete your Advanced, EFR, and Rescue with us first and roll straight into your Divemaster training once you’re ready. And if you’re just short on dives before starting, you’re welcome to fun dive with us until you reach the required number — it’s the perfect warm-up before the real adventure begins.

What Will My Training Consist Of?

The Divemaster program typically takes 4–8 weeks, and while you can complete it in the shorter end of that range, we strongly recommend giving yourself at least 6 weeks to get the most out of your training. We’re also super flexible — if you need time off, want to split your training, or plan to leave the island and return later, no problem at all. We’ll shape the program around your schedule so you can progress at your own pace.

Once you’re on the program, it’s full immersion from day one. You’ll be part of the Blue Marlin crew — jumping on boats, assisting real students, and experiencing what life’s actually like as a dive professional. It’s hands-on, it’s social, and it’s seriously fun. Expect early mornings, long days in the water, plenty of laughs, and that feeling of getting better every single dive.

You’ll help instructors run PADI courses, brief and guide certified divers, and fine-tune your own diving until it feels effortless. Along the way, you’ll get to grips with everything from dive planning and navigation to search and recovery and group management. You’ll also take part in workshops, theory sessions, and skill circuits that bring your training together — all with the support of our instructor team and your fellow DMTs.

And when it’s all done? You’ll celebrate the Blue Marlin way — with our legendary Snorkel Test!

Course Prices

We want your Divemaster journey to feel exciting from day one — starting with full transparency. Here’s everything that’s included in the program, laid out clearly so you can plan your adventure with confidence.

✽ Divemaster Course Breakdown

Course Price 18,990,000 IDR
This is the cost of your full Divemaster training with Blue Marlin. This is the core price for your actual training and everything we provide here at the dive centre.
Crewpack 4,500,000 IDR
The Crew Pack is required for every Divemaster candidate worldwide. It includes all your official PADI learning materials, slates, manuals, planning tools, and reference guides that you’ll use throughout your training — and continue using as a certified professional. This fee goes directly to PADI for the educational materials themselves.
PADI Application Fee $275 AUD
Once you’ve successfully completed your training, this fee is paid directly to PADI to process your certification and register you as an active Divemaster. It’s the final step in becoming a recognised PADI professional and allows you to work, guide, and assist as an official member of the PADI system.

Contact Us

Have questions about the Divemaster course, life on Gili T, or what your training will look like? You can get directly in touch with Doug Hoy, the Course Director who oversees our entire Divemaster program. He’s always happy to chat, answer any questions, and help you get booked in when you’re ready.

If you prefer, you can also reach out to our office team — we’re all here to help and make planning your Divemaster journey as easy as possible.

Get In Touch

Prefer to send us a quick message instead? Fill out the form below with your details and we’ll get back to you as soon as possible. Tell us what you’re curious about and we’ll make sure you have everything you need to plan your Divemaster journey.