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Koh Tachai
Diving Daytrip

(Available only from 15th October to 15th May)

Koh Tachai diving daytrip is not to be missed. Koh Tachai Island is a part of the Similan National Marine Park, the northern islands past Koh bon. Koh Tachai diving is one of our favorite dive site in the area. There is 2 dive sites at Koh Tachai, the reef adn the pinnacle, Koh Tachai pinnacle is a huge granite plateau covered of soft coral, sea fans, anemones, the strong curent bring food from the depth and attract big school of fish. trevally, mackerel, tuna, sharks, and sometimes Manta rays and whale shark.

At Koh Tachai pinnacle anything can happen, this is one of the best spot to see the giant Mantas or Whale Shark swimming by.

You really feel like being in an aquarium, surrounding of fish swimming frenetically.
Our fast catamaran will take you to Koh Tachai in about 1:20.
With 2 times 350 HP inboard engines, this is the faster way to get to Koh Tachai.
Between the dives, you can relax on the sundeck, Free available for certified diver.

Koh Tachai diving daytrip

Tachai Reef

An island locates 20 km north of Koh Bon, Koh Tachai has very spectacular white sand beach and two very interesting dive spots; Tachai Reef and Pinnacle. . The reef stretches from north to south on the eastern side of the island. The reef slope falls from 5-10 m. to sandy bottom at around 25-30 m. The area is covered with hard corals, most of which are Stag-horn corals, Pore corals, Brain corals, and Fire corals. Many tiny rocks and rubble are also seen in the area. This dive site is very good for sunset and night dive as well as day dive where it is not so deep.

Koh Tachai diving daytrip

Duration : 08:00 - 17:30

*(Schedule may change due weather and sea conditions)

Adult 6,500 THB

*Based on a minimum of 2 persons

Price Includes :

  • Full set equipment

  • all food on-board

  • taxi from Khao Lak

  • dive guide ratio 1 to 4 or 5

  • water, coffee, tea

Not Included:


  • Soft drinks

  • alcohol

  • dive insurance

  • dive computer

  • full length wetsuit.

Know before you go!

  • Monday
    Koh Bon & Tachai 2 Dives by Speedboat

  • Thursday 
    Koh Tachai 2 Dives by Speedboat

  • Friday 
    Koh Bon & Tachai 2 Dives by Speedboat

What should be brought? :

  • Passport or ID card Copy

  • Swimwear

  • Sunscreen

Koh Tachai scuba diving daytrip itinerary:

07:15-08:00 Pick-up from hotel
08:30 Boat Departure
10:00 Boat Briefing
10:15 Koh Tachai Dive
12:00 Lunch served buffet style
13:15 Koh Tachai Dive
15:00 Boat Depart after an amazing day
16:30 Arrive at the Pier and transfer back to your hotel

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