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Length / Width

37 m / 7 m

Year built / renovated

1974  / 2016

Rental equip.

YES ($)


YES ($)


YES ($)


  • A history buff’s paradise – explore the sunken fighter planes, tanks, and gas mask of the Truk Lagoon, and discover the Bikini Atoll, the final resting place for some of the most significant warships in history
  • This boat is built for serious diving, with full equipment for rebreather and technical dives as well as a central camera station and dedicated rinse tank for pre and post underwater photography
  • Discover historic battleships and the world-famous USS Saratoga aircraft carrier whose flight deck extends to 270 m (888 ft)
  • Plenty of replenishing food and a shaded sun deck make this a comfortable way to enjoy some of the best wreck diving on the planet 
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Dates & Prices

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Booking process


Once we receive your booking, we double check availability with the dive operator and reserve your spot


We usually get back to you within 24 hours to confirm that your booking is final


You then have 48 hours to take care of other travel arrangements. Your credit card will only be charged after that period

Payment & cancellation

Payment terms

  • Now: 0%
  • 48 hours after booking confirmation: 5%
  • 315 days before trip start: 30%
  • 75 days before trip start: 100%

Cancellation fee

Free cancellation for 48h after confirmation

  • 5.0% of the total booking amount will be charged if you cancel more than 307 days prior to arrival
  • 30.0% will be charged if you cancel between 307 and 67 days prior to arrival
  • 100.0% will be charged if you cancel less than 67 days prior to arrival



Truk Master is the ultimate liveaboard exploring the Wreck Capital of the World & Diving Truk Lagoon and the Bikini Atoll in the Marshall Islands

The steel vessel, Truk Master, dominates the waters of Micronesia and Marshall Islands and will take Divers to the famous dive sites in Truk Lagoon. The expansive area of Wreck in this famous lagoon are surrounded by Colourful Reefs, Vibrant Corals, Pinnacles, Deep Channels and schooling Pelagics making this an epic Dive Safari Adventure.

A new unique itinerary starting in 2018 has been added to the Truk Master liveaboard, The Bikini Atoll part of the Republic of the Marshall Islands, which covers nearly 1 million square miles of idyllic emerald-green Coral Atolls, surrounded by the crystal-blue waters of the Pacific. 

Divers will explore these two unique destinations and between dives relax on the different decks providing ample space as well as dive equipment and camera storage. The crew of Truk Master brings the highest quality service in the diving industry.


Formerly the Astral Star, Truk Master underwent a full refit and re-launch 2016. The Truk Master is 121 feet (37m) long and 23 feet (7m) wide and welcomes 16 guests for 7 or 10 day Dive Safari Adventures. The Truk Master is the ultimate Wreck diving vessel and provides Guided dives, Technical  and Rebreather Diving. The air conditioned cabins include:Lower, Middle and Upper Deck cabins, with a variety of  bed options.

Between dives, the Truk Master’s 4 decks will ensure divers are accommodated in roomy style

Topside, the Truk Master caters to a maximum of 16 guests in 8 cabins, each with individually controlled AC units and en-suite bathrooms. Relaxation areas consist of the indoor Lounge & Bar with comfortable seating and a plasma screen with entertainment system, a spacious indoor Dining Area, and a shaded outdoor seating area with Sundeck.

Common areas for socializing and relaxation are spread between the Middle and Upper Decks. Rest or talk about the day’s diving adventure in the Main Saloon. Imbibe in your favorite adult beverage at the Bar with comfy seating and plasma screen television. Peruse your dive photos at the camera set up station complete with guest storage drawers. Perhaps napping and lounging is your ticket to ultimate between-dive time. Guests can head to the outdoor seating area complete with a shaded sun deck area.  

Dining aboard Truk Master takes place in the spacious and air conditioned dining area

The crew aboard Truk Master understands the need to properly fuel Divers for energy-filled diving. Feeding Divers is what they do best. The day begins with a light breakfast before dive 1, followed by a full breakfast after dive 2. Lunch is served before dive 3. An additional rest and snack period before dive four is followed by dinner. The vessels provide guests with a choice of International and Asian cuisine served buffet style in the Dining area.

The Truk Master caters to special dietary requirements; please simply inform our reservations team prior to your trip to ensure we have plenty of dishes to suit your needs. A range of carbonated soft drinks, fruit juices, black, green and herbal teas are commonly available as well as instant and fresh brewed coffee.  A selection of fresh fruit is readily available as well as some naughty treats in case you feel hungry in between dives. Alcohol is available to purchase onboard.

Good food, ultimate comfort and the best Wreck Diving on the Planet – equals – one amazing Dive Safari Adventure. 


Truk is best known for its World-class Wreck Diving and with over 60 Wrecks, from Supply Vessels (Maru) to Planes and a Submarine, tightly packed into a Coral Reef Lagoon. It is easy to appreciate why Divers travel to this area time and time again. During WWII, the Japanese Fleet used Truk as one of their main staging points for attacks on the Allied Forces but in 1944 the Americans led “Operation Hailstone” surprised the Fleet resulting in the plethora of dive sites which we can see there today.


Please refer to logistics section of each itinerary to find detailed info on how to get there.

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Deck Plan


Diving gear

  • Tanks With Int (Yoke) Valves
  • Tanks With Din Valves
  • Din/Int Adapters
  • 15L Tanks Available
  • Nitrox ($)
  • Rental Equipment ($)

Languages spoken

  • English

For your safety

  • Emergency Oxygen Kit
  • First Aid Kits
  • Vhf Radio

Dive Center Facilities

  • Wi-Fi ($)

Boat Amenities

Sports & Watersports

  • Snorkeling


  • Visa
  • Mastercard
  • Cash (Usd)
  • Cash (Eur)
  • Cash (Gbp)
  • Cash (Aud)

Amenities & services

  • Wi-Fi ($)
  • Air-Conditioning

Food & drink

  • Buffet
  • Alcohol
  • Vegetarian Food


  • Lounge/Tv Area
  • Rebreather-Friendly


Dates & prices

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