Scuba diving — Koh Tao
5 options from ฿2,200 per person. Departures from Crystal Dive in Mae Haad, Apnea Total on Koh Tao. Duration 4h 30min – 6h.
Two guided dives off Koh Tao start at ฿2,200 (≈ $61) per diver with Crystal Dive: a morning or afternoon boat, full gear, a dive computer and 30-day dive insurance included, in groups of up to four.
The short version
What it costs
Without a certificate, Simple Life Divers' Discover Scuba afternoon costs ฿2,500 (≈ $69) all in. A full day on Sail Rock, the pinnacle halfway to Koh Phangan, costs ฿2,900 (≈ $80) or ฿4,000 (≈ $111) depending on the school and the number of dives.
From ฿2,200 (≈ $61) to ฿7,000 (≈ $194), in order of price:
- ฿2,200 (≈ $61) per diver — Crystal Dive, two fun dives on the morning or afternoon boat, gear and computer included.
- ฿2,500 (≈ $69) per person — Simple Life Divers, a try dive from 11:00 to about 17:00, to 6 m and an optional second dive to 12 m.
- ฿2,900 (≈ $80) per diver — Simple Life Divers, two dives on Sail Rock with lunch, back by mid-afternoon.
- ฿4,000 (≈ $111) per diver — Big Blue Diving, a full day with two dives on Sail Rock and one at Shark Island, breakfast and lunch on board.
- ฿7,000 (≈ $194) per person — Apnea Total, the two-day Freediver course, at most three students per instructor.
Options 5
Sail Rock Day Trip from Koh Tao with 3 Dives
A full day for certified divers from Big Blue Diving in Sairee: two dives on Sail Rock, the pinnacle between Koh Tao and Koh Phangan, and a third at Shark Island. ฿4,000 with breakfast and lunch on board; the boat leaves every third day.
Sail Rock Dive Trip from Koh Tao with Lunch
Two dives on Sail Rock with Simple Life Divers from Sairee, with a Thai lunch on board, for ฿2,900. The boat leaves at about 07:00 and is back on Koh Tao by mid-afternoon; certified divers only.
Two Fun Dives around Koh Tao, Gear and Computer Included
A morning or afternoon boat with Crystal Dive in Mae Haad: two guided dives at Koh Tao sites, full standard gear and a dive computer included, from ฿2,200. Groups of up to four divers per guide; certified divers from 10 years old.
Try Scuba Diving on Koh Tao, No Licence Needed
PADI Discover Scuba Diving with Simple Life Divers in Sairee: an afternoon from 11:00 to about 17:00, a reef dive to 6 m and an optional second dive to 12 m. ฿2,500 all in: materials, full gear, boat and instructor.
Two-Day Freediver Course on Koh Tao
The Freediver course with Apnea Total on Koh Tao: two days of classroom in the morning and sea sessions in the afternoon, at most three students per instructor, certification to 20 m. ฿7,000 per person, from 11 years old.
What's included
- 3 guided dives: 2 on Sail Rock, 1 at Shark Island
- Breakfast and lunch on board
- Rental dive gear, which the school gives free on fun dives
- 2 dives at Sail Rock
- Thai lunch on board
- Boat trip from Koh Tao and back
- Boat trip with 2 guided dives
- Full standard scuba equipment and a dive computer
- Dive insurance for 30 days
- Refreshments on board
Not included
- Torch, dive computer or compass: ฿200 each per trip
- A refresher, if you have not dived for a year
- Scuba review refresher: ฿1,800
Good to know
- Certified divers on Koh Tao who want a full day on Sail Rock rather than a half-day on the local reefs.
- Open Water, dived within the last 12 months; Advanced or Deep for below 18 m.
- Certification card, swimwear, a towel and sun protection.
- Certified divers who want the classic Gulf pinnacle at a lower price than most full-day Sail Rock trips from Koh Tao.
- Open Water at least; Advanced recommended; Deep for the Secret Pinnacle.
- Certification card, swimwear, towel and seasickness tablets if you need them for the 1.5–2 hour crossing.
- Big Blue Diving on Sairee Beach, Koh Tao, at 07:20–07:30; the exact point is confirmed after booking.
- Simple Life Divers on Sairee Beach, Koh Tao, before 07:00; the exact time is confirmed after booking.
- Crystal Dive in Mae Haad, Koh Tao; the exact time for the morning or afternoon boat is confirmed after booking.
- Simple Life Divers on Sairee Beach, Koh Tao, at 11:00.
Scuba diving prices in Koh Tao
| Tour | Duration | Group | From |
|---|---|---|---|
| Sail Rock Day Trip from Koh Tao with 3 Dives | — | — | ฿4,000 per person |
| Sail Rock Dive Trip from Koh Tao with Lunch | — | — | ฿2,900 per person |
| Two Fun Dives around Koh Tao, Gear and Computer Included | 4h 30min | — | ฿2,200 per person |
| Try Scuba Diving on Koh Tao, No Licence Needed | 6h | — | ฿2,500 per person |
| Two-Day Freediver Course on Koh Tao | — | — | ฿7,000 per person |
Operators: Big Blue Diving · Simple Life Divers · Crystal Dive · Apnea Total
FAQ
How much do two dives cost on Koh Tao?
How much is a day at Sail Rock from Koh Tao?
Can I try diving without a licence?
What certification do I need for Sail Rock?
How long is the boat ride to Sail Rock?
Can non-divers come to Sail Rock from Koh Tao?
How much is a freediving course?
A dive day on Koh Tao costs ฿2,200 (≈ $61) to ฿4,000 (≈ $111) per diver, and what moves the price is distance: the island's own reefs are a short boat ride from Sairee and Mae Haad, while Sail Rock takes 1.5 to 2 hours each way.
Checked against the operators' own sites on 1 October 2026
- ฿2,200 (≈ $61)two fun dives with gear and computer at Crystal Dive
- 1.5–2 hby boat from Koh Tao to Sail Rock, as Big Blue and Simple Life give it
- 4divers per guide at most on Crystal Dive boats
| What you book | Dives | Time | Price |
|---|---|---|---|
| Fun dives, local reefsCrystal Dive | 2 | 7:00–11:30 | ฿2,200 (≈ $61) per diver |
| Try dive, no licenceSimple Life Divers | 1–2 | 11:00–17:00 | ฿2,500 (≈ $69) per person |
| Sail Rock with lunchSimple Life Divers | 2 | from 06:45 | ฿2,900 (≈ $80) per diver |
| Sail Rock and Shark IslandBig Blue Diving | 3 | 07:20–17:00 | ฿4,000 (≈ $111) per diver |
Local reefs or Sail Rock?#
Koh Tao's own sites are close: Crystal Dive runs two boats a day, 07:00–11:30 and 12:00–17:00, and the morning boat is back before lunch. Sail Rock is a full day. Big Blue goes every third day with three dives and two meals; Simple Life goes with two dives and lunch for ฿2,900 (≈ $80). Both ask for Open Water, and Advanced for the parts below 18 m.
- Sail Rock
- a granite pinnacle between Koh Tao and Koh Phangan, from beyond 40 m up to about 15 m above the sea.
- Fun dive
- a guided dive for certified divers, without instruction.
- Discover Scuba Diving
- PADI's supervised first dive for people with no certificate.
Can I dive without a certificate?#
Yes. Simple Life Divers runs PADI Discover Scuba Diving from 11:00: a briefing at the shop, skills in shallow water, a reef dive to 6 m and an optional second dive to 12 m, for ฿2,500 (≈ $69) with materials, gear, boat and day insurance. Sail Rock is not offered to snorkellers or for try dives.
What about freediving?#
Apnea Total teaches the two-day Freediver course for ฿7,000 (≈ $194): classroom at 8:30, sea sessions in the afternoon, line dives to 12 m on day one and a rescue from 6 m for the certificate. You need to swim 200 m and be at least 11.
- When you last dived: Big Blue asks for a dive within 12 months for Sail Rock, and Crystal Dive sells a refresher for ฿1,800 (≈ $50).
- The return time: Big Blue gives 16:00 in the schedule and 17:00 in the day plan for Sail Rock.
- Whether rental gear is included: it is at Crystal Dive and Big Blue; Simple Life's Sail Rock page lists only lunch.
Important
Big Blue's Sail Rock boat leaves only every third day, on the 2nd, 5th, 8th and so on in October 2026. Book after 18:00 the day before and the place is not guaranteed.
Guides & articles about Koh Tao
Tips, destinations and everything water-sports.

Diving on Koh Tao: Sail Rock, fun dives or a first dive, October 2026
From ฿2,200 (≈ $61) for two fun dives to ฿4,000 (≈ $111) for a full day on Sail Rock: what each Koh Tao dive day includes, who can join, how long the boats take and what a freediving course costs.
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A first dive on Koh Tao or Koh Phangan: age, depth and price
Two ways to breathe underwater for the first time, ฿2,500 (≈ $69) on Koh Tao and ฿4,200 (≈ $116) on Koh Phangan, and one way to dive on a breath: what each day includes, the minimum age, the depth and the students per instructor.
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What a day at sea costs on Koh Phangan and Koh Tao: October 2026
Eleven prices from the operators' own pages, from ฿990 (≈ $27) for a snorkelling morning to ฿7,000 (≈ $194) for a two-day freediving course: what each includes, which fees come on top and where the unit is not per person.
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