Divemaster Course Thailand: Costs, Duration & Where

Featured image: sebastianhoyer, CC BY 2.0, via Flickr.

What a Divemaster course involves

Divemaster is the first professional level on the PADI Divemaster pathway. Training has three parts. Knowledge development and exams come first. Water skills and workshops follow, including timed swim and float tests, a deep workshop and a search and recovery workshop. Practical work comes last. You assist instructors with student divers, deliver boat and dive briefings, and guide certified divers underwater. One Koh Tao SSI operator splits its 8-week program into phases of 3, 2 and 3 weeks. Phase two is where you assist real Open Water and Advanced courses. A paid-time internship option stretches the practical part further. One Pattaya operator prices its internship version at ฿45,000 over about 1 month, against ฿30,000 for its 14-day standard course.

Divemaster course Thailand prerequisites checklist

Operators in Thailand broadly agree on the entry rules. Agencies publish the official standards, and individual schools sometimes add to them. Read the requirements on the SSI site and the PADI page before you book. Minimum age is 18, which matters if you are asking about age limits for divers. The two agencies also differ on fees and entry steps, as covered in our PADI and SSI comparison. Short of the dives or the Advanced rating? Start with Advanced Open Water in Thailand. Anyone without a base certificate can begin with PADI Open Water in Thailand. One Koh Tao operator sells fun-dive bundles to build logs: 2 dives for ฿1,700, 6 for ฿5,000 and 10 for ฿8,000.

• Age: 18 or older.
• Logged dives: about 40 to begin. Two operators state 60 dives as the finish line on the PADI route.
• Certification: Advanced Open Water plus Rescue Diver. One Pattaya operator accepts a Rescue-level diver from any agency.
• First aid: EFR or CPR within the last 24 months on the PADI route. One SSI operator asks for React Right within 2 years.
• Medical: a physician's sign-off within the last 12 months.
• SSI route at one Koh Tao operator: 40 dives to begin parts of the program, 60 before the professional portion. It also lists Diver Stress and Rescue, Deep, 5 navigation dives and 5 night dives.

How long the course takes

The same certificate takes 2 weeks at one school and 12 weeks at another. Three things drive the gap. Dives already in your logbook matter most. Next is how many real student courses you assist. Package depth also changes the timeline. A diver with 60 logs can compress the schedule. A diver at 40 logs needs time to collect dives and practice skills. One SSI operator recommends at least 8 weeks and says extra time helps new professionals absorb the material. Pick the fast option if you are experienced and short on time. Pick the extended option if you want assisting experience and plan to work as a guide.

What a Divemaster course in Thailand really costs

Operator prices below were checked in November 2026. Treat each figure as one school's quote, not a market price. Tuition headlines hide most of the bill. Compare totals only after adding agency fees, materials and gear. SSI professional active status is quoted at ฿16,900, paid directly to SSI. PADI's application fee is charged by card in Australian dollars, and one operator listed AUD 260 to AUD 286 for 2024. Fees vary by year and residency, so check the current amount with PADI. A PADI crew pack costs ฿9,000 at one Pattaya operator.

• Paid to the agency: SSI active status (฿16,900) or the PADI application fee (billed in AUD).
• Paid to the school: PADI crew pack (฿9,000 at one operator) and any fun dives to reach your log count.
• Paid to a gear shop: dive computer, SMB, spool, cutting device, compass, audible signal, slate and torch.
• Paid to an insurer: professional dive cover. DAN is cited as a requirement for pros.
• Paid for living: accommodation and food for 2 to 12 weeks.

Koh Tao vs Pattaya vs Koh Chang

Pick the base by access, budget and training volume. Koh Tao dominates professional training, with several agencies and many schools. Choice is wide, but quality varies. Pattaya is about 1.5 hours from Bangkok, according to one operator. That operator also reports diving all year with a minimum water temperature near 28°C. Expect an urban base with shipwrecks and islands, and reported lower visibility than the island hubs. Koh Chang has a smaller Thai-owned operator offering PADI Divemaster training with daily dives toward the 60-dive minimum. For a wider view of regions, see our guide to the best place to learn diving.

How to choose a school

Ask direct questions before you pay a deposit. Good answers are specific and written down. Vague answers on assists or fees are your warning sign. Do not compare tuition headlines alone.

• What is the student-to-mentor ratio?
• How many real student courses will you assist?
• What does "unlimited diving" cover, and does it include boat trips?
• What are the equipment hire terms after any grace period? One Koh Tao operator allows 2 weeks before daily rental fees apply.
• Are agency pro fees listed up front?
• What is the refund and reschedule policy?

Before you fly: preparation and logistics

Gather your logbook proof of dives, your EFR date and a medical form signed within the last 12 months. Decide on gear before buying locally. Pros are expected to own a computer, SMB, 30m spool, cutting device, compass, audible signal, slate and torch. Some schools run a remote onboarding call before arrival. One Koh Tao operator uses it to set goals, assign reading and advise on equipment. Book a professional cover policy early through DAN dive insurance. One Pattaya operator advises waiting at least 18 hours after your last dive before flying. Check current DAN guidance and plan flights home after the final evaluation.

What comes next after Divemaster

Divemaster leads to the instructor track. Many divers pause for work experience first. When you are ready, read about the instructor development course in Thailand. Our certification ladder shows where Divemaster sits above Rescue Diver. One Koh Tao operator says roughly half its candidates do not plan to work as pros. A Divemaster course also suits serious recreational divers who want deeper dive science and better skills.