The Boat:
Launched in 2012, the 40m Palau Siren liveaboard was built on the Indonesian island of Sulawesi and is handcrafted from ironwood and teak (traditional to the area). You will find no other diving liveaboard as beautiful in Palau waters and, being built by divers for divers, you can be rest assured that every need has been thought of and addressed.
Welcoming a maximum of 16 guests per cruise ensures that there is ample space to relax. The 8 comfortable, double occupancy cabins offer a choice of double or twin beds; 2 cabins are flexible double/twin. All cabins have individually controlled air conditioning and ensuite bathrooms with hot water.
The dive deck has individual personal storage for your smaller equipment items and is most likely be one of the most spacious and comfortable you will have come across. Separate rinse tanks are provided for scuba and camera equipment as well as fresh water showers on deck.
The covered outdoor dining area provides a great setting for all your meals and the spacious air-conditioned saloon offers a cocktail bar, comfortable seating and a large flat screen TV.
The saloon also has designated areas for charging and preparation of your camera and video equipment making the Palau Siren liveaboard a top choice for underwater photographers and videographers.
Palau Siren also benefits from 2 shaded, high-bottom, fibreglass skiffs, nitrox compressor, equipment rental, kayaks, laundry and massage services.
The Diving:
Every dive on this 10-day Palau adventure is designed to showcase the best of the archipelago’s rich marine ecosystems—timed to coincide with the lunar cycle for maximum marine life activity. While the bumphead parrotfish spawning takes center stage, the rest of the itinerary is just as thrilling, offering a diverse mix of currents, reefscapes, pelagic action, and macro surprises.
Bumphead Parrotfish Spawning Dives
In the pre-dawn light, you’ll drop onto reefs where hundreds—sometimes thousands—of bumphead parrotfish gather to rush upward in coordinated bursts of spawning activity. The energy is electric: booming sounds as the fish collide, clouds of eggs swirling in the water, and the frenzy attracting a host of predators. These dives offer incredible opportunities for photography and rare behavioral observation.
Blue Corner & Blue Holes
No trip to Palau is complete without its famous walls. At Blue Corner, you’ll hook in and watch the show: schools of grey reef sharks patrolling effortlessly in the current, swirling barracuda, batfish, trevally, and the occasional eagle ray cruising by. Nearby Blue Holes delivers a cathedral-like atmosphere, with beams of light illuminating the cavern’s vast interior before you drift out onto the wall.
German Channel
The iconic manta cleaning stations of German Channel are a highlight for many divers. Here, mantas sweep gracefully overhead while reef sharks glide below. With patience, guests often witness close-up cleaning interactions, offering unforgettable photographic moments.
Ulong Channel
Often voted one of the world’s best drift dives, Ulong Channel is an exhilarating ride through coral gardens, cabbage-leaf corals, and sand patches teeming with life. Napoleon wrasse, turtles, and schools of sweetlips frequently join the procession as you glide effortlessly with the current.
Peleliu Corner
For advanced divers seeking adrenaline, Peleliu offers some of the most powerful currents in Palau. Here, pelagic action dominates—expect large sharks, dogtooth tuna, Spanish mackerel, and dramatic drop-offs. When conditions align, the site delivers some of the most heart-pounding, fish-filled dives anywhere on Earth.
Reef, Macro & Relaxed Dives
Between the high-energy sites, you’ll enjoy slower-paced dives that reveal Palau’s delicate side. Explore hard-coral plateaus, sponge-encrusted heads, anemones alive with clownfish, and macro critters like nudibranchs, leaf scorpionfish, and pipefish tucked among the reef.
General Destination and Trip Information:
● Arrival airport: Roman Tmetuchl International Airport, Palau (ROR)
● Departure airport: Roman Tmetuchl International Airport, Palau (ROR)
● Embarkation: Malakal Harbour @ 17:30
● Disembarkation: Malakal Harbour @ 10:00
Flights and Transfers
The liveaboard price includes transfer between Koror Airport (depending on flight arrival/ departure time) or local hotels and Palau Siren on embarkation and disembarkation day only. Guests arriving on early morning flights on the embarkation date need to book a hotel for the night of the day before and arrange their own transfer from the airport. Our operations team will provide pick up and transfer from the hotel to Sam's Tours in the afternoon for Palau Siren embarkation at 17:30. If you are staying at a hotel in Koror before or after your liveaboard, your hotel will usually arrange airport transfers although there may be an additional charge and you will need to confirm your departure transfer times on check-in.
A limited number of Koror resorts offer day passes for guests with evening departures. Day passes can only be purchased directly at the resort and use of the facilities, without room use, before transferring to the airport in time for your flight check-in. Palau Siren will provide a transfer from the vessel to the resort upon disembarkation at 10:00(am) but, arrangements for transfer from the resort to the airport will be the guests' responsibility.
Advice on International Flights
There are numerous international route possibilities to Koror although from the UK, Europe and the US, at least one connection is required. Most flights arrive and depart late evening, or in the very early hours of the morning, after Palau Siren's embarkation and disembarkation times. With this in mind, we recommend arranging flights to arrive at least one day before your liveaboard departure so that you can start your diving holiday well-rested.
United Airlines operates direct flights from Guam to Koror six times a week and from Manila to Koror twice a week. China Airlines operates direct flights from Taipei four times per week and Hong Kong Airlines operates three flights per week to Koror.
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