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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
Peter Liu Similan Quest
Peter Liu
Divers Nationality: Chinese
Dive date: 06 February 2026
Boat rating: 10/10
If you want to experience the best live-aboard in Similan, then you should choose Similan Quest. The crew is warm and professional and the service is good. The food is also great. The only pity is that I didn't see the big guy in this dive. Thanks ag...read more
Oliver MV Sawasdee Fasai
Oliver
Divers Nationality: French
Dive date: 03 February 2026
Boat rating: 9/10
Fantastic Team.
Joe MV Koon9
Joe
Divers Nationality: American
Dive date: 03 February 2026
Boat rating: 8/10
Great getting back in the water.
Brien/Eriksen
Divers Nationality: Norwegian
Dive date: 03 February 2026
Boat rating: 9/10
Thank you for a magical trip with Liveaboard, diving, food, service and crew??? ️We will be back and can recommend this boat and center to everyone ??
Guenter
Divers Nationality: German
Dive date: 01 February 2026
Boat rating: 9/10
First things first: the dive sites were beautiful and Tony and Sebastian were great dive guides. The entire chat contact via WhatsApp was perfect, from the booking to the trip itself and right up to the end. The boat crew did a fantastic job. And...read more
Alan Meier Blue Marlin
Alan Meier
Divers Nationality: American
Dive date: 01 February 2026
Boat rating: 9/10
Great boat and great guides. Kept us fed, hydrated, and seeing ocean wildlife
Aey
Divers Nationality: Thai
Dive date: 31 January 2026
Boat rating: 10/10
Very good experience with Koon 9 we love it! Very comfortable.
Shon
Divers Nationality: Israeli
Dive date: 29 January 2026
Boat rating: 10/10
Had a great 7-night trip on MV Andaman! The dives were beautiful with a huge biodiversity. The team was very professional and all the trip was highly organized. And the food was just superb!!! A great experience and awesome value for money! A special...read more
Boris
Divers Nationality: French
Dive date: 29 January 2026
Boat rating: 10/10
Perfect organization, high-quality equipment, knowledgeable and attentive divemasters, and excellent food on board — you really lack nothing. Thank you again to the whole team!
Jessie Keh
Divers Nationality: Singaporean
Dive date: 26 January 2026
Boat rating: 10/10
Everything was perfect, from crews to facilities, meals . Will come again !!! Thanks all the crews !!! Well Done!!!
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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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