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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
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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
★★★★★

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
★★★★★

The most amazing experience in Koh Samui. The booking was very easy through WhatsApp. The yacht is beautiful, plenty of space to sit. The food for dinner was delicious. We ended up with a few more people and they were flexible in arranging for that. Payment was secure through Wise. All staff was very friendly and helpful. Highly recommend this company for yacht trips.

Mirjam D. TripAdvisor
★★★★★

Did a tour to the Phi Phi Islands via private yacht and it was really top! Communication with the agency was straightforward and my contact Stefan friendly with a pleasant pinch of humor. You can see that a lot of emphasis is placed on good service. Personal requests were taken into consideration and sometimes very spontaneously. The crew was super nice. The food was also not to be despised — altogether 5/5!

Tim Google
★★★★★

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!

★★★★★

Great experience, would absolutely recommend!

Jack Alford Google
★★★★★

Incredible day on the water with a fantastic crew! From the first contact to the last wave, everything was perfectly organized. Steven handled all the details, from flexible booking to perfectly timed hotel transfers. The crew was professional, friendly, relaxed and so much fun. If you're looking for an exclusive and carefree catamaran experience in Thailand, this is the place to go. Would absolutely book again.

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