The Phinisi is a budget liveaboard with 7 cabins for 18 people sailing to the Similan Islands between November and April.

The Phinisi – Similan Liveaboard
The Phinisi is built in the style of a traditional Indonesian craft which looks and feels regal with the grandeur of yesteryear. It is a modern vessel, however, built specifically for diving. There are 7 cabins which can accommodate 18 guests in either quad, twin, or double cabins. Each cabin is air-conditioned and ensuite. The dive deck is shaded and each diver h as a personal station with storage. There’s an indoor lounge and superb outdoor dining area plus a sundeck complete with comfortable loungers.
- 7 air-conditioned ensuite cabins
- Double, twin and quad cabins
- 18 guests maximum
- Indoor lounge, open air dining, sundeck
- Western and local food served buffet style
- Dedicated camera rinse tank, charging station and camera room
- Click here to see availability and pricing
Sun Deck
Dive Deck
Dining
Indoor Saloon
Twin Cabin
Triple Cabin
Time Of Year Boat Operates:
The Phinisi explores the Similan Islands between November and April. Click here to see availability and pricing.
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Similan Liveaboards Overview
- Luxury Similan Island Liveaboards
- Mid Range Similan Island Liveaboards
- Budget Similan Island Liveaboards
- Last Minute Liveaboard Deals
- Diving The Similan Islands 2026: A Quick Guide
- Similan Islands Dive Sites
- Diving Thailand Guide
Upcoming Similan Liveaboard Availability and Pricing
Check availability and pricing for all Similan Islands liveaboards departing in
- January 2026 | February 2026 | March 2026 | April 2026 | May 2026 | October 2026 | November 2026 | December 2026
(The Similan National Park is closed from mid May to mid October each year)
Similan Liveaboards Trip Reports
Photos from each of the Similan liveaboard trips I've been on over the years.
- Similan Islands Liveaboard Trip Report 9-13 February 2025
- Similan Islands Liveaboard Trip Report 21-25 November 2024
- Similan Islands Liveaboard Trip Report May 2024
- Similan Islands Liveaboard Trip Report 21 - 25 February 2024
- Similan Islands Liveaboard Trip Report 15 - 19 February 2024
- Similan Islands Liveaboard Trip Report December 2023
- Similan Islands Liveaboard Trip Report October 2023
- Similan Islands Liveaboard Trip Report April 2023
- Similan Islands Liveaboard Trip Report February 2023
- Similan Islands Liveaboard Trip Report December 2022
- Similan Islands Liveaboard Trip Report February 2020
- Similan Islands and Myanmar Trip Report March 2015
Similan Dive Sites
Richelieu Rock
Thailand’s best dive site, bar none. A stunning array of soft corals and spectacular stampeding marine life. Read More
Koh Bon
Thailand’s manta ray hotspot, with plenty of other things to see if the mantas don’t show up. Read More
Koh Tachai
Koh Tachai is one of the Similan Islands’ best dive sites but also one of the most volatile. Massive fans, huge schools of fish, maybe manta rays – it’s all to play for. Read More
Boulder City
A dramatic deep water Similan dive site, Boulder City needs the right conditions to explore as it’s exposed to wind and wave from all sides. Read More
Shark’s Fin Reef
A dramatic block of rock rising out of the sand, Shark’s Fin Reef is one of the Similan Islands’ most exciting sites. Read More
Hideaway Bay
Two Similan Islands dive sites in one location, Hideaway Bay and Tuna Wreck can be experienced in a single dive. Read More
North Point
North Point is another of the Similans’ signature big boulder sites, with huge great rocks rising out of the white sand. Read More
Koh Bon Pinnacle
Koh Bon Pinnacle is a deep dive site that feels utterly remote – and where anything could show up out of the blue. Read More
West Of Eden
A big boulder site with spectacular outsize fan corals, beautiful soft corals and the promise of full fish activity, West Of Eden is an archetypal Similan Islands dive site. Read More
Ao Suthep, Surin Islands
Ao Suthep is beautiful hard coral garden in the Surin Islands, often visited by Similan island diving liveaboards and accessible by snorkellers visiting the Surin Islands too. Read More
Three Trees
Three Trees, named after the three trees directly above the dive site on Similan Island 9, is a big wide white sand channel with some awesome corals and fish encounters. Read More
Christmas Point
One of the signature Similan Islands big boulder dive sites, Christmas Point’s huge rocks have been shaped by the tides over hundreds of years. Read More