Similan Diving and Snorkeling Trips
Similan Day Trips
Take a day trip to the Similan Islands, Koh Bon, Koh Tachai, the Surin Islands or Richelieu Rock. The Similan and Surin Islands are famous for crystal clear blue water with stunning underwater scenery, suitable for scuba divers, snorkelers and freedivers.
Similan Day Trips to the National Marine Parks
Spectacular day trips for scuba divers and snorkelers
Similan Islands, Koh Bon, Koh Tachai, the Surin Islands, and Richelieu Rock.
The Similan National Park covers the Similan Islands plus the islands of Koh Bon and Koh Tachai. Further north is the Surin National Park which includes the world-famous Richelieu Rock as well as the Surin Islands.
From Khao Lak, there are day trip options to the National Marine Parks for scuba divers, freedivers, and snorkelers. Some trips are suitable for mixed family groups. Or you can choose separate diving day trips or snorkeling day trips.
We work together with carefully chosen local partner dive and snorkeling centers so we can offer options to suit everyone.

Similan Diving Trips

Similan Snorkel Trips
Similan Diving Day Trips
Day trips by speed boat to the Similan & Surin National Marine Parks
Travel by speedboat to the National Marine Parks (Similan Islands, Koh Bon, Koh Tachai, and Richelieu Rock) for a scuba diving day trip to remember. The transfer takes just 1.5 hours. Two dives with lunch on the boat during the surface interval.
Diving in small groups of just 4 divers per guide. Snorkelers are also welcome on some trips.
Day trips to Similan Islands, Koh Bon, Koh Tachai, and Richelieu Rock
New season starts 28 October 2025
Pre-requisites: Certified divers
What to take: Swimwear, sun protection, small change for tips
Departures: Day trip season runs from 28 October 2025 until 10 May 2026
Max. depth: 30m (with Deep Dive/Advanced certification, or 18m with Open Water certification)
Dives: 2Â
Trip length: Full Day
Group size: Max. 4 divers to 1 dive guide
| Net Price | Equip | NP Entry Fees | |
| Similan Islands- 2 dives | 5,100 | 500 | 700 |
| Koh Bon – 2 dives | 5,100 | 500 | 700 |
| Koh Tachai – 2 dives | 5,100 | 500 | 700 |
| Richelieu Rock – 2 dives | 5,500 | 500 | 700 |
| Snorkeler | 3,400 | Inc | 500 |
Additional Equip: Dive Computer B300, 15L Air B200 per tank, 12L Nitrox B200 per tank, 15L Nitrox B250 per tank
Price includes: Divemaster service 1:4, hotel transfers from Khao Lak area, lunch, drinking water, fruit
Insurance:Â Your travel insurance policy may cover you for scuba diving, please check your policy wording before arrival. If you are not covered, we offer diving insurance as an optional extra. You can book daily or weekly insurance through us at your registration session and receive instant cover
 day trip Season 28 Oct 2025 to 10 May 2026 :
| Schedule | First Dive@ 10.30am Second Dive @ 13.15pm |
| Monday – 2 dives | Koh Tachai |
| Tuesday – 2 dives | Richelieu Rock – divers only |
| Wednesday – 2 dives | Similan Islands #4+#5 |
| Thursday – 2 dives | Richelieu Rock – divers only |
| Friday – 2 dives | Koh Bon |
| Saturday – 2 dives | Richelieu Rock – divers only |
| Sunday – 2 dives | Similan Islands #9 |
Custom-built diving speedboat, aluminium hull, comfortable seats, dive platform with ladders, onboard toilet.
Similan & Surin Islands Snorkel Trips
Similan & Surin day trips and Surin Island overnight trips for snorkelers only
Suitable for families or individuals, from 4 years to 75 years. Travel to the islands in just 75 minutes by fast speedboat. Visit several different snorkeling spots throughout the day. With time to visit the beaches and viewpoints. Lunch is served at the National Park restaurant on the islands.
Similan Islands and Surin Islands available for single day trips.
Overnight trips are available in the Surin Islands only.
A snorkel guide is provided on all trips.
Snorkeling day trips to Similan Islands and the Surin Islands
Overnight snorkeling trips to the Surin Islands
Suitable for: age 4 to 75 years
What to take: Swimwear, sun protection, small change for tips
Departures: Daily from 15 October 2025 to 15 May 2026
Trip length: Full day
Group size: Max 10 snorkellers per guide
| Trip | Adult | Child | Equip/NP Entry Fees |
| 3,700 | 2,600 | inc | |
| 3,700 | 2,600 | inc | |
| 6,800 | 5,200 | inc | |
| 8,500 | 6,200 | inc |
Surin overnight prices based on accommodation in tents at the beach
Air-con bungalow (subject to availability) additional cost:
- Up to 2 people: add 2,200 baht per night per bungalow
- Up to 4 people: add 3,250 baht per night per bungalow
Price includes:Â pick up from hotel in Khao Lak area, National Park fees, breakfast snacks, lunch, drinking water, fruit, soft drinks, experienced CPR/first aid trained guide, snorkel equipment, life jackets, transfer back to hotel
(Overnight trip prices include all meals)
Season RUNS15 October 2024 to 15 may 2025
DAILY DEPARTURES
