Tour

Siam Scuba

5 · 770 reviews·Hidden gem: highly rated, still under the radar
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A highly-rated scuba diving center on Koh Tao, Thailand, offering PADI courses and fun dives for all levels in crystal-clear waters.

Don't miss

  • PADI certification courses from Open Water to Divemaster
  • Fun dives at famous sites like Chumphon Pinnacle and Sail Rock
  • Small group sizes for personalized attention
  • High-quality rental equipment included in courses
  • Friendly, multilingual instructors with years of experience

Tickets & tours

Ways to visit Siam Scuba

You can visit on your own (no entry fee; pay for courses or dives. prices vary by course level. check website for packages). A tour adds transport and a guide, or combines nearby sights into one day.

Good for

BusinessCouplesSolo travelFamilyFriends getaway

How travelers rate it

5 star
709
4 star
44
3 star
6
2 star
7
1 star
4

Know before you go

  • If you wear prescription glasses, ask about prescription masks or contact lenses.
  • Bring reef-safe sunscreen to protect marine life.
  • For courses, read the medical questionnaire beforehand; some conditions may require a doctor's note.
  • Underwater cameras can be rented; ask about GoPro mounts.

A bit of history

Siam Scuba was established by experienced divers who fell in love with Koh Tao's marine life. The island has been a diving hub since the 1980s, and Siam Scuba has built a reputation for safety and personalized instruction.

Common questions

Do I need to know how to swim?

Yes, basic swimming skills are required for all courses. You'll need to tread water and swim 200 meters.

What is the minimum age?

For Open Water Diver, the minimum age is 10 (with parental consent). Junior certifications are available.

Can I dive if I have asthma?

It depends on severity. You'll need a doctor's clearance; the staff can advise.

What happens if I get seasick?

Inform the crew; they can provide seasickness medication and suggest a spot on the boat.

Is equipment included?

Yes, all necessary gear is included in course and fun dive prices. You only need swimwear and a towel.

Can I store my belongings?

Yes, the shop has lockers for valuables during dives.

More attractions in Koh Tao

Planning your trip to Koh Tao? See where to eat, more attractions, or build a Koh Tao itinerary.