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MV Nam Sai

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Boat Overview

MV Nam Sai Overview

Nam Sai diving day trips to Similans
Type: Day trip
Departs from: Khao Lak.
No. of guests: 50

Currently not running day trips, but this could change at any time. Please contact us for comparable alternative Similan diving day trips.

Diving on Nam Sai offers the best of both worlds: day trip convenience and the comfort and luxury of a large boat to relax on. At 25m in length, Bam Sai is the size of many liveaboard diving boats, but she goes out to the Similans and back almost every day. Able to cruise at 12 knots, she can reach the dive sites in a very comfortable and relaxing three hours. Similan Islands diving day trips don’t get much more comfortable than on Nam Sai, and the prices are extremely reasonable. There is plenty of space to move around, sit down and eat or relax, and a large dive platform for gearing up. 

MV-Nam-Sai-DivedeckNam Sai is a scuba diving day trip boat with a difference. She has three decks and is the size of a liveaboard boat. However, she just goes out to the Similan Islands or Koh Bon and back nearly every day of the week. For those who don’t want to be racing to the dive sites on a bouncy speedboat, Nam Sai is the perfect balance of comfort and convenience. She has plenty of places for guests to sunbathe, eat and drink, watch tv, socialize, or find some private time. The diving deck is massive, meaning that there’s more than enough space for the divers to gear up and there are lots of areas to receive dive briefings. There’s a bar area and plenty of tables and chairs. A western buffet ensures that every taste and appetite is taken care of, including children and vegetarians (on request). There are fresh water showers, an air-conditioned lounge and free fruit and snacks all day long. Guests diving with the boat’s Divemaster guides are supplied with a dive computer for free, and snorkellers get free equipment and a professional snorkel guide. With two dinghies to take care of picking up divers and transporting snorkellers to the best spots, everything is well organised and convenient. While some may think that a speedboat is the best option for Similan Islands day trips, they should consider that the extra time spent on Nam Sai flies by due to the comfort and facilities on board.

Genuine MV Nam Sai Reviews

Read real reviews from people who have dived with MV Nam Sai
Kris
Divers Nationality: Polish
Dive date: 02 January 2026
Boat rating: 10/10
Just got back from three days diving the Similans with SeeBees on the Marco Polo, and what a trip! That t-shirt slogan “Dive Safe, Dive Smart, Dive SeeBees.com”? They actually walk the talk. The dive site selection was brilliant – they constan...read more
Sandra/Fritz/Selva
Divers Nationality: German
Dive date: 31 December 2025
Boat rating: 10/10
Review: An Unforgettable Family Adventure! ​ ​We just returned from an incredible trip on this liveaboard, and I cannot recommend it highly enough for families—even those with mixed interests! From start to finish, the experience was seamless...read more
Chaein
Divers Nationality: South Korean
Dive date: 28 December 2025
Boat rating: 10/10
The crew and dive guides worked very well together and created a friendly, relaxed atmosphere. They were always approachable, and even small questions or requests were handled kindly. It was helpful to be able to ask questions via WhatsApp before bo...read more
KAZUYA MV Manta Queen 2
KAZUYA
Divers Nationality: Japanese
Dive date: 26 December 2025
Boat rating: 10/10
It was wonderful to have such a great experience and enjoy the dive from start to finish. I had an experience I've never had before. Thank you so much.
Helene
Divers Nationality: French
Dive date: 25 December 2025
Boat rating: 10/10
D'un sourire et de la bonne humeur de tout l'equipage: des 3 guides diver, au capitaine, des boys toujours prêts à aider à chaque petits détails, de la cuisinière qui nous a régalé, à la propreté grâce à la dame qui s'en charge. Les plong...read more
Kiho
Divers Nationality: South Korean
Dive date: 24 December 2025
Boat rating: 10/10
Wonderful tour route, wonderful, diving guide, wonderful foods, wonderful crews
Paul Colton  MV Sawasdee Fasai
Paul Colton
Divers Nationality: British
Dive date: 21 December 2025
Boat rating: 8/10
Great food, great guide w
Matt
Divers Nationality: British
Dive date: 21 December 2025
Boat rating: 10/10
What a wonderful two days. All worked so well. From the pick up from the hotel to the drop off. The dives were epic. All of them! Two turtles, a shark (in the distance) and a few blue spotted rays were highlights, but the vast amounts of fish were br...read more
Jeff Jeon MV Koon9
Jeff Jeon
Divers Nationality: South Korean
Dive date: 20 December 2025
Boat rating: 10/10
Diving at Richelieu Rock was truly unforgettable. The overall condition of the boat was excellent, and the food was so delicious that I definitely gained extra belly! Flip’s guiding was outstanding, making every dive smooth and enjoyable, and the b...read more
Cindy MV Koon9
Cindy
Divers Nationality: Canadian
Dive date: 20 December 2025
Boat rating: 10/10
Everyone was amazing ! Incredible memories for us how wonderful was the staff and organization! Food was also great thanks for everything
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Nam Sai diving day trips to Similans
MV Nam Sai
Type: Liveaboard
Departs from: Khao Lak.
No. of guests: 50
From: Ask
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