
Phinisi Liveaboard Thailand
Similan Islands & Richelieu Rock diving from Khao Lak
Phinisi Liveaboard Diving in Thailand
Phinisi liveaboard offers classic liveaboard diving in Thailand, exploring the Similan Islands and Richelieu Rock from Khao Lak. With experienced crew, well-planned itineraries, and access to some of the Andaman Sea’s best dive sites, Phinisi is a solid choice for certified divers seeking a relaxed, dive-focused liveaboard experience. With its historical connection to The Junk, Phinisi also delivers a friendly, social atmosphere while visiting some of Thailand’s most iconic dive locations.
Why Dive with Phinisi Liveaboard?
Phinisi has been part of Thailand’s liveaboard industry for many years and shares operational roots with The Junk, making it a familiar name among repeat Similan divers.
- Suitable for recreational and advanced divers
- Proven liveaboard with long experience in Thailand
- Similan Islands & Richelieu Rock itineraries
- Good balance of comfort, diving, and value
- Social, friendly onboard atmosphere
- Experienced Thai and international dive crew




Similan Islands & Richelieu Rock Itinerary
Phinisi liveaboard trips typically explore the best dive sites of the Andaman Sea, including:
Similan Islands National Park
Famous for granite boulders, swim-throughs, white sand beaches, and healthy reefs. Expect reef sharks, turtles, schooling fish, and excellent visibility during the season.
Richelieu Rock
One of Thailand’s top dive sites, known for its rich marine life and macro diversity. Seahorses, ghost pipefish, cuttlefish, and occasional whale shark sightings make this a highlight of the trip.
Diving Experience Onboard
Phinisi is set up for straightforward, enjoyable liveaboard diving:
- Multiple dives per day depending on conditions
- Spacious dive deck and easy water access
- Dive briefings focused on safety and marine life
- Nitrox available on selected trips
- Suitable for photographers and recreational divers
The relaxed schedule allows plenty of time for surface intervals, meals, and socializing onboard.
Cabins & Onboard Facilities
Phinisi offers comfortable accommodation designed for relaxing after full days of diving:
- Shared cabins with air conditioning
- Practical layout and storage space
- Indoor dining area and outdoor relaxation spaces
- Sun deck for surface intervals and evening relaxation
Meals are freshly prepared onboard and typically include Thai and international dishes.


Who Is Phinisi Liveaboard Best For?
- Certified divers wanting classic Similan liveaboard diving
- Divers looking for Richelieu Rock without large luxury boats
- Social travelers who enjoy a relaxed group atmosphere
- Divers who value experience and dive-focused trips over luxury
Best Time to Dive the Similan Islands
- Season: October to May
- Best conditions: December to April
- Water temperatures typically range from 27–29°C
- Visibility is generally excellent during peak season
Trips are weather dependent, and conditions may vary throughout the season.
Phinisi Liveaboard with YU Dive Khao Lak
At YU Dive Khao Lak, we recommend Phinisi for divers looking for a classic Thai liveaboard experience with access to Thailand’s most famous dive sites.
We help you with:
- Trip selection and timing
- Certification and experience requirements
- Honest advice on whether Phinisi or another vessel suits you better
Our focus is always on matching divers with the right boat, not just filling spaces.
Prices & What’s Included
Liveaboard Prices:
From approx. 38,000 – 48,000 THB (depending on trip length & season)
Included:
- Accommodation onboard Phinisi
- Full-board meals, snacks & drinking water
- Guided dives (tanks & weights)
- Transfers from Khao Lak / Phuket
- Professional dive guides
Not Included:
- National park fees
- Dive equipment rental
- Nitrox (if applicable)
- Crew gratuities
Frequently Asked Questions – Phinisi Liveaboard
Phinisi liveaboard operates in the Andaman Sea, visiting the Similan Islands National Park and Richelieu Rock, departing from Khao Lak during the Similan diving season.Water divers. Some sites are more suitable for Advanced divers, and your guide will adapt dives accordingly.
Phinisi liveaboard trips are designed for certified divers. Advanced certification is recommended for certain dive sites due to currents, but experienced Open Water divers are welcome depending on conditions.
tory. Some deep sites may require AOW or experience.
Trip durations vary by schedule, typically ranging from 4 to 6 nights, allowing multiple dives per day at the Similan Islands and Richelieu Rock.
Nitrox is available on selected Phinisi liveaboard trips. Availability should be confirmed in advance when planning your dive package.
Divers can expect reef sharks, turtles, large schools of fish, macro life, and occasional whale shark sightings, particularly at Richelieu Rock.
The Similan Islands season runs from October to May, with the best conditions generally between December and April.
Phinisi liveaboard trips are primarily dive-focused. Non-diver availability depends on the specific departure and should be confirmed in advance.
Trips typically include accommodation onboard, meals, diving, tanks, weights, and professional dive guiding. Equipment rental and marine park fees may be additional.
Explore Other Liveaboard Options
The Phinisi Liveaboard offers a beautiful traditional sailing experience in the Similan Islands, but you can also explore our Similan Islands liveaboard selection to compare other boats, itineraries and cabin options departing from Khao Lak.
Ready to Dive with the Phinisi Liveaboard?
Experience liveaboard diving in Thailand aboard a traditional Phinisi-style vessel and discover the stunning dive sites of the Similan Islands and Richelieu Rock.
Contact YU Dive Khao Lak today to check availability, upcoming departures, or to combine this liveaboard with courses or day trips.

Need assistance with your booking?
We’re here to help you with any questions or concerns regarding your diving experience. Feel free to reach out, and we’ll ensure you have all the information you need to plan your adventure!
What Our Guests Say
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Begin your journey by exploring the various liveaboard options available for your diving adventure. Each liveaboard offers unique experiences, catering to different preferences and budgets, ensuring an unforgettable underwater exploration.
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Enjoy a seamless and thrilling diving experience.
Experience the thrill of diving in the Andaman Sea with our expertly curated liveaboard trips. Each journey is designed to provide you with the best diving spots, comfortable accommodations, and exceptional service, making your adventure truly memorable.
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