Thorfinn

SS Thorfinn is a historic liveaboard offering year-round diving in Truk Lagoon, featuring comfortable accommodations, expert dive support, and access to legendary WWII wrecks.

5|5

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Thorfinn - image

Trip dates, price & live availability

Truk Lagoon Trip# 2550 expandable options

6

DEC

2025

From

$347

7 nights (8 days)

20/20 spots available

Select cabin
Truk Lagoon Trip# 2551 expandable options

13

DEC

2025

From

$347

7 nights (8 days)

16/20 spots available

Select cabin
Truk Lagoon Trip# 2552 expandable options

20

DEC

2025

From

$347

7 nights (8 days)

16/20 spots available

Select cabin
Truk Lagoon Trip #2553 expandable options

27

DEC

2025

From

$347

7 nights (8 days)

19/20 spots available

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Truk Lagoon Trip#2601 Expandable trip

3

JAN

2026

From

$347

7 nights (8 days)

20/20 spots available

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Truk Lagoon Trip# 2602 Expandable Options

10

JAN

2026

From

$347

7 nights (8 days)

20/20 spots available

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Truk Lagoon Trip#2603 Expandable Options

17

JAN

2026

From

$347

7 nights (8 days)

16/20 spots available

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Truk Lagoon Trip#2604 Expandable Options

24

JAN

2026

From

$347

7 nights (8 days)

18/20 spots available

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Truk Lagoon Trip #2605 Expandable Trips

31

JAN

2026

From

$347

7 nights (8 days)

20/20 spots available

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Truk Lagoon Trip #2606

7

FEB

2026

From

$347

7 nights (8 days)

20/20 spots available

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Truk Lagoon Trip#2607

14

FEB

2026

From

$347

7 nights (8 days)

20/20 spots available

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Truk Lagoon Trip#2608 Expandable Trips

21

FEB

2026

From

$347

7 nights (8 days)

18/20 spots available

Select cabin
Truk Lagoon Trip#2609 Expandable Trips

28

FEB

2026

From

$347

7 nights (8 days)

20/20 spots available

Select cabin
Truk Lagoon Trip#2610 Expandable Trips

7

MAR

2026

From

$347

7 nights (8 days)

18/20 spots available

Select cabin
Truk Lagoon Trip#2611 Expandable Trip

14

MAR

2026

From

$347

7 nights (8 days)

19/20 spots available

Select cabin

Cabins

Staterooms - Economy E Dive Plan per day Lower Deck - image

Staterooms - Economy E Dive Plan per day Lower Deck

Air Conditioning (AC)
Fan Ventilator
TV
Wifi
Toilet
Shower
Bathtub
Hair Dryer
Safe
Refrigerator

Deck plan

Features & facilities

Boat features & facilities

  • 13 Toilets, 11 Showers, eight in private facility guest rooms

  • A deck with upper bridge controls, electronics mast

  • B deck with navigation bridge forward, chartroom/business center, liferafts, emergency beacons, dive launch storage, aft sundeck with lounge chairs and shade canopy

  • C deck Guest Lounge seating 30 persons, bar, DVD and reading library, surround sound CD/player with I-pod connex, 50 LED TV with DVD player, 2 shower rooms, two toilet rooms, Guestroom Nos 9, 10, and 11. Hallway storage closets

  • C deck Spa Area with 11 person spa, 2 camera service/storage tables, and adjacent deck chairs

  • Ddeck forward interior with Dining Room, 5 tables seating 26 persons, adjoining galley and pantry, view windows, bookcase, stairs to crew area

  • D deck aft interior with Boutique (handicrafts, t-shirts, postcards), dive service center, steering flat, Thors Lair, a large room with luxury appointments, and Room 3

  • E deck with big ensuite Guestrooms 4,5,6,7,8

Dive features & facilities

  • Dive deck

  • Large rinse tubs, fresh water showers, and bench seating round out these two stations with other storages aft

  • Freshwater showers in the two large launches with adjacent fresh towels, add to early rinsing prior to returns to ship

  • Optional Valet system of personal gear setup, breakdown, and storage, by your boat crew, under-seat personal gear bins in dive boats and also aboard ship are available if so desired

  • Optional camera valet transport from tables to boats, rinsing, and redelivery to tables post dive

  • Large local dive staff assure prompt service with expert guide in close attendance underwater

  • Large lifting derricks for each boats onboard stowage, assure quick, positive maintenance

  • 2 state of art 10 metre/30 foot dive launches

Location

Your trips ground transportation from airport or hotel to the ship is provided and included in your package. Friendly van drivers greet and transport you to a nearby pier for transfer by waiting dive tender out to the Thorfinn.

Direct boarding options are now also available, which gives you more diving time onboard. The staff will greet you immediately after the airport for morning or afternoon arrivals, and then provides transfer to the ship at dive location, with full onboard services and facilities. Diving plans immediately begin the following day, until desired departure with free transfer back to airport or shore facility.

Dive Overview

Truk Lagoon is considered by some to be the best wreck diving destination in the world, with over 60 World War II wrecks. The wrecks have a good amount of marine life on them, but some are quite deep, with the bottoms in the 100 - 150+ ft. range.

[See: Truk Dive Travel Guide]

Accommodation Overview

The SS Thorfinn Liveaboard has 10 air-conditioned cabins and 1 exclusive luxury suite.

The comfortable SS Thorfinn cabin with a large bedThe spacious ensuite bathroom

SS Thorfinn Cabin and Ensuite Bathroom


SS Thorfinn Cabin Details

  • Guest Rooms: Ten air-conditioned staterooms accommodate 20 guests in double occupancy. All have in-room vanities, TVs and DVD players, indirect lighting and full-length closets. Eight rooms located on D and E decks have double or queen size beds plus adjacent single berths. Private showers and toilets are fitted in each of these rooms. Three additional rooms on C deck are bright and spacious with two shared shower rooms and two shared toilets.
  • Thors Lair: Thors Lair an exclusive luxury suite has been created from two former main deck cabins, featuring a huge king size bed, adjoining bed settee, 44 inch TV monitor/player, PC table/chair, carpeted walls, 4 view windows, walk-in closet, bar fridge, bedside lighting controls, and large shower/toilet room. It is available for a slight premium over regular fares.

A spacious sundeck with plants Sundeck with lounge chairs

Dining Lounge & Guest Lounge

Indoor salon with couches and tables Indoor dining area with sitting booths

Dining Lounge & Guest Lounge

Food & Drinks

The friendly dining room staff serve breakfast cooked to order with other meals chosen daily by our chef from a varied menu taking any personal dietary requests into consideration. The two onboard chefs create a variety of delicious meals and daily fresh baked goods, with attention paid to all dietary needs. The bar provides a range of beverages from coffee, tea, hot chocolate, and soft drinks, to beers, wines, and spirits at a reasonable cost.

Packages

PlanDaily Price (USD)Dives Per DayDaily Food Service & Accommodation
E-Plan$3473Included
Sunrise Plan$371Up to 5Included
Rebreather Plan$421Up to 5Included
Truk Tek Unlimited$421Within Safe LimitsIncluded

Note to above plans:

A 5% Local Service Tax, plus annual Dive Permit fee of USD $50/person is applicable. 

Alternate embarkations from local hotels to/from ship are provided on request. 

Oxygen aboard supplied from high capacity oxy generators at 93% ± 3% purity. 

All Plans include: 

  • Double occupancy full facility rooms. Attractive single occupancy rates on request. 
  • Free wi-fi Internet from ship’s hotspot via local mobile service antennas. 
  • Open choice tour arrival dates, and visits beyond 8 days as available at inquiry time. 
  •  Valet dive gear stowage, including cameras rinsed/delivered to C deck camera tables. 
  • All meals, snacks, teas, coffee, ice water. Soft drinks, juices served at cost. 
  • Airport or hotel transfers to ship with local history, ship details, and dive safety briefings. 
  • Beer, wines, spirits served after daily diving at reasonable bar prices.

Itineraries

More information

Practical information

Time Zone

UTC+10

Local Currency

USD (US dollar)

Electricity

220 and 110 volts

Language

English

Boat specifications

Length, overall: 170ft / 58m

Beam: 30ft / 10m

Draft: 17ft / 5.5m

Displacement: 1,100 tons

Fuel Capacity: 340 tons

Consumption/Speed: 7 tons/day @ 11 knots, 11 tons/day @ 16 knots

Water Capacity: 18,000 gals

Cruising Range: 9,000 nautical miles @ 11 knots

Main Engine: Fredriksstad Mek 4 cyl. double compound steam 2,500 h.p. @ 140 rpm

Boilers: 2 x Foster Wheeler D type 18,000 lbs./hr @ 250 psi, 600 deg F superheat)

Generators:2 x Yanmar 6HAL-DTN diesels driving Marathon 250 kw 220 VAC 3 phs 60Hz generators,1 x Mitsubishi diesel driving 40 kw 220 VAC 3 phs 60 Hz generator

Maximum Speed: 16 knots

Maximum guests: 20

Number of cabins: 10

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