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Koh Ta Chai (Similan #11)
from Phuket

Thailand / Similan Islands

Koh Tachai is located at the northern tip of the Similan Islands National Park and the latest addition to the coverage of the National Park area along with Koh Bon. Koh Tachai boasts spectacular white beaches and crystal-clear waters surrounding it.

According to National Geographic Society Koh Tachai is due to its remoteness among the top 10 diving destinations in the world. On the island you can trek the nature trail to spot hermits, various reptiles, and Nicobar pigeons. This ancient jungle is full of wonders and mysterious wildlife that is hard to find elsewhere.

Koh Ta Chai (Similan #11) — At a Glance

From 81,200 THB / day
Region Phuket
Yachts 7 available
Park fee 500 THB
Activities Swimming & snorkeling · Scuba diving · Hiking · White sandy beaches
Duration Full-day · Overnight
Best season Nov – Apr
Includes Crew, fuel, softdrinks, snacks, water toys. Optional food menus

What to Expect

Swimming & snorkeling
Hiking
White sandy beaches
Crystal clear waters

National Park Fee

Entry to this area is 500 THB / Adult, paid cash to the Park Rangers. Different rates apply for Thai nationals, foreigners, adults and kids.

Charter a Yacht to Koh Ta Chai (Similan #11)

Regular Season prices. All rates in Thai Baht, incl. VAT.

Last updated: August 2025

7 yachts available: 3 full-day, 4 overnight. Prices from 81,200 THB in Regular Season.

Category
Sort

Full-Day Charters 3 yachts

Gonzales

Custom Build 47ft

Gonzales — 47ft Custom Build Charter Phuket to Koh Ta Chai (Similan #11) ONLINE AVAILABILITY Full-day
81,200 THB
Gonzales Phuket
30
n.n.
NO
n.n.
Full-day in Regular Season from
81,200 THB

Provence

Riviera 58ft

Provence — 58ft Riviera Charter Phuket to Koh Ta Chai (Similan #11) Full-day
81,200 THB
Provence Phuket
12
n.n.
NO
n.n.
Full-day in Regular Season from
81,200 THB

Revolution

Azimut 68ft

Revolution — 68ft Azimut Charter Phuket to Koh Ta Chai (Similan #11) ONLINE AVAILABILITY Full-day
81,200 THB
Revolution Phuket
15
n.n.
NO
n.n.
Full-day in Regular Season from
81,200 THB

Good to Know

Private yacht charters to Koh Ta Chai (Similan #11) start from 81,200 THB in Regular Season. Prices vary by yacht size, trip type, and season. All rates include VAT.

Our yachts to Koh Ta Chai (Similan #11) accommodate up to 35 guests. We have 7 yachts available, from small speedboats to large catamarans.

We offer 3 full-day, 4 overnight trips to Koh Ta Chai (Similan #11). Full-day charters are the most popular, giving you plenty of time to explore.

The best time for yacht charters to Koh Ta Chai (Similan #11) is during the high season (November to April) with calm seas and clear skies. Low season (May to October) offers lower prices but occasional rain.

Bring sunscreen (reef-safe preferred), swimwear, a towel, sunglasses, and a waterproof phone case. Snorkeling equipment is provided on most yachts. Bring cash for the National Park fee (500 THB per adult foreigner).

The journey takes approximately 3.00 hours by private speedboat from Phuket, depending on departing marina, weather and sea conditions. Motor yachts take around 6.00 hours, and sailing catamarans approximately 12.00 hours.

What Our Guests Say

★★★★★ 5.0 Google| TripAdvisor| Trustpilot
★★★★★

Best boat experience in Phuket! This was my second time on this beautiful boat, this time for a milestone birthday with family and friends. The organisation pre-journey was great, the service on the day impeccable. We also had food catered on the boat — probably one of the most authentic Thai meals we had. The boat is in amazing form. Safety is at the forefront. Highly recommend to anyone who wants to cruise in style.

Safari TripAdvisor
★★★★★

The boat Samui's Goody was very nice and the staff were very kind and helpful. The food was excellent and the views were great. The staff were very joyful and kind throughout the whole trip.

Amaar A. TripAdvisor
★★★★★

We had an amazing day with Samui's Goody! The trip was super beautiful and the views were incredible. The crew was very friendly and the manager was also really nice and easy to talk to. Perfect for our group of 11 people. Thank you!

Diana S. TripAdvisor
★★★★★

We went out on Ocean Dreams. The whole experience from start to finish was flawless. The boat was bigger than I expected and felt very comfortable and spacious. We headed out to James Bond Island. During the trip we were provided with an amazing lunch prepared onboard. My only wish is that the day was longer. Highly recommend these guys!

Mike E. TripAdvisor
★★★★★

We booked the Jana 43ft sailing catamaran for a private day trip to Ang Thong Marine Park and it was truly the highlight of our stay in Koh Samui. The boat was spacious, clean, and very comfortable. The crew was fantastic — professional, friendly, and extremely accommodating. The views were breathtaking, and we enjoyed a delicious lunch on board. A special moment was on the way back — we caught a fish! Highly recommend this experience.

Olga M. TripAdvisor
★★★★★

Amazing day boating around Koh Phangan! Great help to schedule the day on yacht. Super helpful to book and prepare schedule and all important things. The crew was amazing. They made everything to ensure our day. Would highly recommend!

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