Southeast Asia · Vessel profile
Thailand Master
Thailand Master is advertised for overnight dive or charter trips in Thailand, Myanmar. Published capacity: 18 guests in 7 cabins.
Published operator: Master Liveaboards
Marketed for bookings
- Length
- 34 m
- Guests
- 18
- Cabins
- 7
- Built
- 2007
Research reviewed 2026-10-18.

Published specifications
- Vessel type
- Dive liveaboard
- Published status
- Marketed for bookings
- Registered name
- CHENGISAO
- Length
- 34 m [1]
- Beam
- 8 m [6]
- Draft
- 2.4 m [6]
- Guests
- 18 [1]
- Guest cabins
- 7 [1]
- Crew
- 14 [6]
- Year built
- 2007 [1]
- Refit
- 2024 [6]
- Hull
- Teak and ironwood [6]
- Speed
- 8 kn [1]
- Flag
- Thailand
- MMSI
- 567002568 [3]
- Callsign
- HSB5720 [3]
- Nitrox
- Nitrox available
- Former names
- The Phinisi, Cheng I Sao
- Identity checked
- 2026-10-18
Contact and booking links
- Official operator contact page https://masterliveaboards.com/contact-us/ [7] · checked 2026-10-18
- Official operator contact page https://masterliveaboards.com/mluk/contact/ [8] · checked 2026-10-18
- Public business email dive@masterliveaboards.com [7] · checked 2026-10-18
- Official Facebook page https://www.facebook.com/master.liveaboards [7] · checked 2026-10-18
- Official Instagram page https://www.instagram.com/master_liveaboards/ [7] · checked 2026-10-18
- Official Linkedin page https://www.linkedin.com/company/master-liveaboards [7] · checked 2026-10-18
- Public business telephone +18662583698 [7] · checked 2026-10-18
- Public business telephone +18662586398 [7] · checked 2026-10-18
- Public business telephone +442080992230 [7] · checked 2026-10-18
- Public business telephone +66 (0) 62 668 7136 [7] · checked 2026-10-18
- Public business telephone +6676367444 [7] · checked 2026-10-18
- Official operator website https://masterliveaboards.com/boats/blue-horizon/ [9] · checked 2026-10-18
- WhatsApp business contact +66626687136 [7] · checked 2026-10-18
- Official Youtube page https://www.youtube.com/user/SirenFleetLiveaboard [7] · checked 2026-10-18
- Operator website
- Published booking page
Links lead to third-party operators or agents. This directory does not confirm departures or accept bookings.
On board
- En-Suite bathrooms
- Aircon Cabins
- Non-Diver (Snorkeler) Friendly
- Warm Water Showers
- Air Conditioned saloon
- Sun Deck
- Camera Station
- Non-Smoking Rooms
- Charging stations
- Indoor Saloon
- Library
- Outdoor Dining
- Audio & video entertainment
- Separate Rinse for u/w Camera
- Leisure Deck
Diving facilities
- Nitrox available
- DIN Adaptors
- Rinse Hoses
- Dive deck
- Tenders for diving
Published safety equipment
- Depth Sounder
- Radio VHF/DSC/SSB
- E.P.I.R.B. Distress System
- Emergency Rafts
- Life Vests
- Oxygen
- First Aid Kits
- Satellite & mobile phones
- Crew trained in first aid
Source-linked research
The published details below include historical records and conflicting claims, with their original sources retained.
| Detail | Published information and source |
|---|---|
| Listed supplier / operator | Master Liveaboards [1] |
| Year built | 2007 [1] |
| Length | 34 meters [1] |
| Cruising speed | 8 knots [1] |
| Engines | 1x 380 hP [1] |
| Max guests | 18 [1] |
| Number of cabins | 7 [1] |
| Number of bathrooms | 7 [1] |
| Tenders | 2 [1] |
| Amenities | En-Suite bathrooms; Aircon Cabins; Non-Diver (Snorkeler) Friendly; Warm Water Showers; Air Conditioned saloon; Sun Deck; Camera Station; Non-Smoking Rooms; Charging stations; Indoor Saloon; Library; Outdoor Dining; Audio & video entertainment; Separate Rinse for u/w Camera; Leisure Deck [1] |
| Diving facilities | Nitrox available; DIN Adaptors; Rinse Hoses; Dive deck; Tenders for diving [1] |
| Safety/navigation equipment | Depth Sounder; Radio VHF/DSC/SSB; E.P.I.R.B. Distress System; Emergency Rafts; Life Vests; Oxygen; First Aid Kits; Satellite & mobile phones; Crew trained in first aid [1] |
| Food and drink options | Al Fresco Dining; Vegetarian Options; Beer available; Wine Available; Full-board Option; Buffet style; Western Food; Local Food [1] |
| Advertised itinerary examples | 20% Off: Best of Thailand (Thap Lamu - Chalong); 20% Off: Similan & Surin Islands (Chalong - Thap Lamu); Best of Thailand (Chalong - Thap Lamu); Similan & Surin Islands (Thap Lamu - Thap Lamu); 20% Off: Mergui Archipelago (Ranong - Ranong); Mergui Archipelago (Ranong - Ranong); 20% Off: Similan & Surin Islands (Thap Lamu - Thap Lamu) [1] |
| Example dated fare | EUR 2420 advertised for 2026-11-16 to 2026-11-26 (P11D); listing snapshot 2026-10-17, availability and inclusions need reconfirmation. [1] |
| Additional advertised destination | Myanmar / Mergui Archipelago [2] |
| AIS / registered name | CHENGISAO [3] |
| MMSI | 567002568 [3] |
| Call sign | HSB5720 [3] |
| Published flag | Thailand [3] |
| Former names | The Phinisi; Cheng I Sao [3] |
| Official name association | The Phinisi is officially Cheng I Sao; 34 x 8 m, 18 guests. [4] |
| Marketed name | Thailand Master, also known as The Phinisi; 2007-built, 34 x 8 m. [5] |
| Beam (m) | 8 [6] |
| Draft (m) | 2.4 [6] |
| Year renovated | 2024 [6] |
| Hull material | Teak and ironwood [6] |
| Crew | 14 [6] |
| Crew total calculation | Captain 1 + chief engineer 1 + second/third engineer 1 + chefs 2 + host 1 + housekeeper 1 + deckhands/tender drivers 3 + dive team 4 = 14. [6] |
| Construction corroboration | Motor sailer; built 2007; 34 m length. [6] |
| Fuel and water | Fuel 10,000 L; water storage 8 tonnes [6] |
| Operator contact page | https://masterliveaboards.com/contact-us/ [7] |
| Operator contact page | https://masterliveaboards.com/mluk/contact/ [8] |
| Operator email | dive@masterliveaboards.com [7] |
| Operator facebook | https://www.facebook.com/master.liveaboards [7] |
| Operator instagram | https://www.instagram.com/master_liveaboards/ [7] |
| Operator linkedin | https://www.linkedin.com/company/master-liveaboards [7] |
| Operator phone | +18662583698 [7] |
| Operator phone | +18662586398 [7] |
| Operator phone | +442080992230 [7] |
| Operator phone | +66 (0) 62 668 7136 [7] |
| Operator phone | +6676367444 [7] |
| Operator website | https://masterliveaboards.com/boats/blue-horizon/ [9] |
| Operator whatsapp | +66626687136 [7] |
| Operator youtube | https://www.youtube.com/user/SirenFleetLiveaboard [7] |
Sources
- Thailand Master — vessel specifications and booking listingbooking · accessed 2026-10-17
- PADI Myanmar liveaboard directorydiving-directory · accessed 2026-10-17
- Chengisao — VesselFindervessel-directory · accessed 2026-10-18
- Master Liveaboards brochure — The Phinisi aliasoperator · accessed 2026-10-18
- Thailand Master — official alias and specificationsoperator · accessed 2026-10-18
- Thailand Master — official technical specification PDFoperator · accessed 2026-10-18
- Master Liveaboards — published business contact detailsoperator · accessed 2026-10-18
- Master Liveaboards — published business contact detailsoperator · accessed 2026-10-18
- Master Liveaboards — published business contact detailsoperator · accessed 2026-10-18