Why should I become a Divemaster Instructor with Crystal Dive?
Since 2004 Crystal has been the most popular and successful Career Centers on Koh Tao. Our Divemaster Instructor training, run by our in-house Instructor Trainers, goes beyond the basics to provide an exceptional range of Specialty Instructor Training courses. By enabling you to teach five Specialties (or more!), our program not only adds depth and variety to your diving and teaching experience but also elevates your profile in the diving industry.
Choose from an extensive list of specialties that align with your interests and strengths. Whether it’s Deep Diving, Wreck Diving, Sidemount Diving or Night Diving the choice is yours. Each specialty opens up new avenues for teaching and attracts a diverse range of students
HOW IT WORKS
The Divemaster Instructor training has 2 sides to it: Team Teaching and Specialty Instructor Training.
The Specialties required to attain the Divemaster Instructor Rating are: Deep Diving, Navigation and Night & Limited Visibility
Specialty course options are:

Deep Diving

Enriched Air Nitrox

Advanced Wreck Diving

DPV

Perfect Buoyancy

Navigation

Sidemount

Decompression Diving
The most valuable part of learning to be a Scuba Instructor is to team teach alongside established and experienced instructors.
To gain your DMI rating you will need to have a minimum of 25 Certifications under your belt. From the entry level Open Water Diver course, to Stress & Rescue diver or specialty diver courses. This approach follows SSI’s ethos on performance based learning and ensures you are well-prepared to lead your own courses independently.
Lifestyle Package
Our lifestyle package allows for an unlimited amount of team-teaches. Keep going until you are confident enough to lead courses by yourself. It also includes personal dedicated dive insurance and a working internship, allowing you to get a running start in the industry!
*Can be booked as add-on to the Instructor Lifestyle package
SCHEDULE
The duration is flexible and depends on how often you would like to team teach. You could make it an intense or relaxing experience depending on how you prefer it.
DIVEMASTER INSTRUCTOR PREREQUISITES
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Minimum Age
To be an instructor you need to be 18 years of age.
Certifications
You will have to be an active status Open Water Instructor.
In order to attain the Divemaster Instructor Rating you will have to complete the following specialties:
- Deep Diving Specialty
- Navigation Specialty
- Night & Limited Visibility Specialty
Medical Statement
You need to be medically fit for diving. You will find the Medical Statement for Scuba Diving here to download. To participate in a Pro-Level-Training Course you need this Medical signed by a physician issued within 12 months before course start.
Our Facilities
DISCOUNTED PRIVATE AC ACCOMMODATION
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On-site Accommodation
Our candidates can take advantage of our long-term accommodation in bungalows on-site. Our on-site bungalows are private, offer AC and have an ensuite bathroom. Priced at 13,000 THB per month (up to 2 months for our Divemaster Intructor Trainer Candidates). More info here.
LARGE POOLS
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Crystal Dive is one of the few dive schools on Koh Tao with two private, on-site training pools. Our larger pool, one of the biggest on the island, was purpose-built for scuba diving, providing the perfect environment for all levels of teaching.
QUALITY TRAINING
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With over 25 years of experience in the industry, recognition as one of the world’s largest SSI Instructor Training Centers with two Instructor Trainers, we proudly deliver exceptional professional-level training for our Candidates.
PRIVATE BOATS
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At Crystal Dive, we’re proud to operate two private, purpose-built dive boats. This allows us to match each trip to the training needs of the day.
What’s included
Our Divemaster Instructor package includes
- Complete DMI Training (5 Specialties & 25 Certifications) *excluding SSI Specialty Instructor material cost
- Discounted private AC room for the course duration, read more
- Use of scuba equipment throughout
- FREE use of Dive Computer
- Discount on additional courses & dive equipment purchases with us
Not Included But Required
- SSI Specialty Instructor Materials for 5 Specialties (12,400 THB)**
- Worldwide Personal dedicated dive insurance (5,000 THB)
Lifestyle Package
Includes all of the above PLUS:
- Unlimited Team Teaching
- 2-Day Crystal Team Teaching Prep program (4,500 THB)
- Diving Medical Examination Fee (500 THB)
- Crystal Dive Working Internship (10,000 THB)
- Introduction to Divemaster Training & Evaluation
**Additional costs apply to specialties where a student level certification is required**
*Lifestyle can be booked as add-on to the Instructor Lifestyle package
During all training the following Professional Equipment is required to be worn but not provided by Crystal (Compass, DSMB, Cutting Tool, Audible Signaling Device) *Available for purchase at Crystal Dive

Book Now
Become an SSI Divemaster Instructor (DMI) and take the next big step in your professional diving career. This course trains you to teach from Open Water Divers to Divemasters, guide them through training, and help shape the next generation of divers. With real teaching experience, and specialty training included, you’ll gain the confidence and qualifications to lead anywhere in the world.
Plus, if you book our Lifestyle Package, enjoy unlimited team teaching!
฿30,000
What’s Included
- Complete DMI Training (5 Specialties & 25 Certifications) *Excl. SSI Specialty Material Cost
- Discounted Private AC room for the course duration
- Scuba equipment use throughout the course
- Free use of Dive computer throughout the course
- Discounts on additional courses & dive equipment purchases with us
What’s not included but in the Lifestyle Package
- UNLIMITED FREE DIVING FOR LIFE!
- UNLIMITED TEAM TEACHING
- SSI Specialty Instructor Materials for 5 Specialties (12,400)**
- Worldwide Personal dedicated dive insurance (5,000 THB)
- Crystal Team Teaching Prep Program (4,500 THB)
- Crystal Dive working internship (10,000 THB)
- Diving Medical Examination fee (500 THB)
- Introduction to Divemaster Training & Evaluation
**Additional costs apply to specialties where a student level certification is required**
*Lifestyle can be booked as add-on to the Instructor Lifestyle Package
DMI Training
What’s Included
- Complete DMI Training (5 Specialties & 25 Certifications) *Excl. SSI Specialty Material Cost
- Discounted Private AC room for the course duration
- Scuba equipment use throughout the course
- Free use of Dive computer throughout the course
- Discounts on additional courses & dive equipment purchases with us
What’s not included but in the Lifestyle Package
- UNLIMITED FREE DIVING FOR LIFE!
- UNLIMITED TEAM TEACHING
- SSI Specialty Instructor Materials for 5 Specialties (12,400)**
- Worldwide Personal dedicated dive insurance (5,000 THB)
- Crystal Team Teaching Prep Program (4,500 THB)
- Crystal Dive working internship (10,000 THB)
- Diving Medical Examination fee (500 THB)
- Introduction to Divemaster Training & Evaluation
**Additional costs apply to specialties where a student level certification is required**
*Lifestyle can be booked as add-on to the Instructor Lifestyle Package
FAQ – Frequently Asked Questions
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Can I start my Divemaster Instructor training any day?
Yes, this is possible. However the Open Water Instructor courses run on a strict schedule to fit around the regular monthly exam dates, and therefore mostly our Divemaster Instructor training usually begins routinely the day after this.
Is it possible to change the schedule for the Instructor Course?
Schedules are somewhat flexible however we will do our best to carry out specialty instructor training in groups, which can help the learning process.
What are the rates for accommodation in my Instructor Course?
For your instructor Course we offer accommodation in a private AC room (choice of Double or Twin) at a discounted rate. More information here or just contact us directly.
What are the minimum requirements to start my Divemaster Instructor Course?
The minimum requirements for you to enroll in the Instructor Course are listed here. If you still have questions about specific requirements or an equivalent certification, please contact us directly.
Can I Work for Crystal Dive after completing my Divemaster Instructor Course?
Yes! We constantly have a rotation of staff as many people work for us temporarily. If you decide you would like the chance to join the team, you can do the working internship after your Divemaster Instructor certification. This internship is actually included for free with the Divemaster Instructor Lifestyle Package.
Whats the next step after completing my Divemaster Instructor Course?
If you want to look for more responsibilties after your Divemaster Instructor, the next step is becoming an Assistant Instructor Trainer! However, once you are a DMI, its advised to get some teaching experience under your belt. Crytsal Dive is perfect for this due to the volume of divers that come through our doors, you´ll be able to gain experience quicker than anywhere else in the world!
Is it better value to do the Lifestyle Divemaster Instructor Package?
Yes! As it has none of the additional costs! It will cover absolutly everything you need to get started in the indusrty. Our free diving for life deal is unique, it gives you a home where you can always return for a cheap diving holiday!
Other Questions?
Please check out our general FAQ-Page which will answer most of your questions about Koh Tao, diving, weather conditions and everything else. Anything that cannot be answered there, please just contact us and we get right back to you!