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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
Darcy
Divers Nationality: American
Dive date: 01 April 2026
Boat rating: 10/10
I had a blast on MV Lapat. Marija, the lead woman, was super knowledgeable and her dive briefings were really helpful. She made everyone feel so comfortable and welcome. The boat staff was also incredibly helpful and full of positive energy. Thanks f...read more
Alain Hild MV Koon9
Alain Hild
Divers Nationality: Canadian
Dive date: 01 April 2026
Boat rating: 9/10
Great crew, from Ken my guide to the gentleman with the hat that helped me put my gear on every dive. Amazing they put your fins on the zodiac. Great food. Will do it again Easy to meet people on the ship at dinner.
Penny Seatopia
Penny
Divers Nationality: Malaysian
Dive date: 31 March 2026
Boat rating: 10/10
Very friendly and professional crew. Food was amazing! Clean and comfortable cabin.
Ray Similan Quest
Ray
Divers Nationality: American
Dive date: 29 March 2026
Boat rating: 10/10
Billy was a great dive master. We had several issues with ears and he was very patient with no pressure at all. The boat itself was nice and I really enjoyed the option of 15L tanks and being able to rent a camera. Overall it was a very good experie...read more
Guruprasad K Similan Quest
Guruprasad K
Divers Nationality: Indian
Dive date: 25 March 2026
Boat rating: 10/10
The experience with Similan Quest was unlike any other. We had a great experience on board through the 2 days and one night that we were on the ship. The entire staff is very professional welcoming and catering to the Guests with smile and happiness....read more
Morgan MV Sawasdee Fasai
Morgan
Divers Nationality: American
Dive date: 18 March 2026
Boat rating: 10/10
Absolutely unforgettable experience. The service was remarkable, food consistently delicious and healthy, and dive sites superb. Highest recommendations for the whole experience, particularly Eric the crazy French divemaster. He was the best!
NEZ Sylvain  MV Dolphin Queen
NEZ Sylvain
Divers Nationality: French
Dive date: 17 March 2026
Boat rating: 9/10
Small, simple boat dedicated solely to diving. My favorite company. Thank you to the entire team for this excellent trip.
Sullivan MV Koon9
Sullivan
Divers Nationality: French
Dive date: 16 March 2026
Boat rating: 10/10
This was my first time doing a liveaboard and I was a bit unsure whether it would be for me. I spent 3 days on the MV Koon9 and I absolutely loved it. The whole staff was super attentive and helpful, the boat never feel too crowded and the food and f...read more
Jessica T MV Koon9
Jessica T
Divers Nationality: American
Dive date: 15 March 2026
Boat rating: 10/10
Great experience! SUPER organized operation. Guests that had tried several boats in the area said this one was definitely most organized. Delicious plentiful food, super helpful staff (princess diving where they do everything for you except hang up y...read more
Tom Cross MV Emperor Leo
Tom Cross
Divers Nationality: Australian
Dive date: 14 March 2026
Boat rating: 10/10
Excellent staff and service. Our DM the best I have had . Michael .. excellent management and coordination Only minor criticism is the dive tender a bit crowded … spacing could be improved. I will be back
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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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