Cruise
Mitsui Ocean Cruises
Mitsui O.S.K.
Lines' cruise brand runs two former Seabourn ships of 229 suites, Mitsui Ocean Fuji since 2024 and Mitsui Ocean Sakura since September 2026, on two- to nine-night cruises around Japan and longer voyages to the Pacific and Oceania. Fares include meals, drinks and Wi-Fi, and the ships are run in Japanese with evening dress codes.
From
¥278,000 per person
Length
2 to 48 nights
Age
Infants from six months
Japan
We apply for you
Tell us the journey and the season. Our team in Japan watches the ballots and application dates, applies with the route and suite you want, settles your requests with the operator, and arranges the nights before and after at places we know. At the operator’s own fare.
Already have an itinerary in mind?
Have it reviewed for USD 85The routes (9)
4 nights
Fuji: Setouchi Christmas cruise to Matsuyama and Busan
From Hakata · Tomonoura (by tender), Matsuyama, Busan
3 December 2026
9 nights
Fuji: New Year cruise to Guam and Saipan
From Yokohama · Guam, Saipan
25 December 2026
46 nights
Fuji: South Seas cruise (A course)
From Yokohama · Saipan, Chuuk (by tender), Cairns, Port Vila, Lautoka, Apia, Moorea, Papeete, Raiatea, Bora Bora, Pago Pago, Majuro, Guam
3 February 2027
5 nights
Fuji: spring Shikoku and Jeju cruise
Hakata to Kobe · Jeju, Kochi, Komatsushima
27 March 2027
12 nights
Fuji: spring round-Japan cruise
From Yokohama · Sasebo, Busan, Tottori, Wajima, Sado (Ryotsu), Oga, Iwanai, Hakodate
18 April 2027
Show the other 4 routes
48 nights
Fuji: 2028 Oceania cruise (Australia's east coast, Tasmania and New Zealand)
From Yokohama · Saipan, Chuuk, Cairns, Airlie Beach, Sydney (overnight), Melbourne, Hobart, Milford Sound (passage), Dunedin, Christchurch, Wellington, Napier, Auckland, Noumea, Honiara, Guam
19 January 2028
3 nights
Sakura: Christmas cruise to Kitsuki and Setoda
From Kobe · Kitsuki (Oita) and Setoda, both by tender
23 December 2026
2 nights
Sakura: debut cruise to Hakodate
From Niigata · Hakodate
23 October 2026
3 nights
Sakura: fly-and-cruise Okinawa A (Kume and Iriomote)
From Naha · Kumejima, Iriomote (by tender)
24 January 2027; further Okinawa courses January, February and April 2027
Suites and cabins
Mitsui Ocean Suite
82.4 sq m (veranda 16.8 sq m) · 2 on board
The top suites on Deck 7, with a glassed-in solarium bath; butler service.
Signature Suite
87 sq m (veranda 55.7 sq m) · 2 on board
Large windows facing over the bow; the largest suites; butler service.
Luxury Suite
55.7 to 87 sq m · 5 on board
Forward views from Decks 6 and 8; butler service.
Penthouse Spa Suite
48.8 to 49.4 sq m · 4 on board
At the stern on Fuji, next to the spa on Sakura; butler service.
Penthouse Suite
39.7 to 54.8 sq m · 23 on board
On Decks 9 and 10; butler service.
Veranda Suite
24.4 to 30.2 sq m · 167 on board
Most rooms on board, with a small veranda.
Oceanview Suite
25.3 to 29.4 sq m · 26 on board
Deck 4, a window that does not open and no veranda.
Before you go
Dining
Fares include meals and over 200 drinks, alcohol included. The main dining room, The Restaurant Fuji, serves a Japanese set at breakfast and lunch and a Japanese kaiseki or Western course at dinner, with a buffet in the Terrace Restaurant Happa and a poolside restaurant and bar. Hokusai Fine Dining, reservation-only and at extra charge, serves a seven-course menu supervised by chef Kiyomi Mikuni; guests in the upper ('Sanroku') suites on cruises of five days or more dine there once free.
How it is booked
Mitsui Ocean Cruises opens each season for applications on a set date months in advance and has no booking in English. Tell us your dates and our team in Japan applies for you, for the route and suite you choose, passes on your preferences and requests, arranges anything special with the operator, and books the stays before and after.
Dress
No dress code by day; each evening is casual, semi-formal or formal as given before the cruise. Casual means a collared shirt and long trousers or a skirt, with a jacket advised; semi-formal a suit and tie or a dress; formal a tuxedo or dark suit and tie, or an evening or cocktail dress; Japanese dress may be worn.
Good to know
Announcements and guidance on board are in Japanese, with many Japanese-speaking crew. No tipping. Smoking only in the designated area on Deck 9; guests who will be 24 weeks pregnant or more by the end of the cruise cannot sail.
Every fare
From ¥278,000 per person, two sharing an Oceanview Suite, for the 4-night Setouchi Christmas cruise from Hakata on Mitsui Ocean Fuji (December 2026), to ¥928,000 in the Mitsui Ocean Suite; Mitsui Ocean Sakura from ¥178,000 for the 2-night Niigata to Hakodate cruise (October 2026). Meals, most drinks, Wi-Fi and some half-day excursions included; no tipping.
About the ship
Mitsui Ocean Fuji: 32,477 gross tons, 198 m, built in 2009 by T. Mariotti in Italy as Seabourn Odyssey, sailing for Mitsui Ocean Cruises since December 2024. Mitsui Ocean Sakura: 34,138 gross tons, 198 m, built in 2010 by T. Mariotti as Seabourn Sojourn, bought in early 2025 and in service since 19 September 2026, registered in Tokyo.
Run by MOL Cruises (Shosen Mitsui Cruise), since 2024.
Mitsui Ocean Fuji: three stars (the top grade) in Japan's certification for places to stay with starry skies, July 2026, the first cruise ship to receive it.
Stay before or after

Setoda, Onomichi
RyokanAzumi Setoda
Azumi Setoda is in Setoda, where Mitsui Ocean Sakura's December 2026 Christmas cruise from Kobe calls.

Yanaidani, Matsuyama
HotelSetouchi Retreat Aonagi by Onko Chishin
瀬戸内リトリート 青凪 by 温故知新
Setouchi Retreat Aonagi is in Matsuyama, a call on Mitsui Ocean Fuji's Setouchi Christmas cruise from Hakata.

Gima, Okinawa
HotelHoshinoya Okinawa
星のや沖縄
Hoshinoya Okinawa is in Yomitan, north of Naha, where the Okinawa fly-and-cruise sailings start and end.

Marunouchi, Tokyo
HotelPalace Hotel Tokyo
パレスホテル東京
Palace Hotel Tokyo is under an hour from Yokohama, where the Fuji's New Year, South Seas, round-Japan and Oceania voyages start and end.
Q&A
Mitsui Ocean Cruises opens each season for applications on a set date months in advance and has no booking in English. Tell us your dates and our team in Japan applies for you, for the route and suite you choose, passes on your preferences and requests, arranges anything special with the operator, and books the stays before and after.
From ¥278,000 per person, two sharing an Oceanview Suite, for the 4-night Setouchi Christmas cruise from Hakata on Mitsui Ocean Fuji (December 2026), to ¥928,000 in the Mitsui Ocean Suite; Mitsui Ocean Sakura from ¥178,000 for the 2-night Niigata to Hakodate cruise (October 2026). Meals, most drinks, Wi-Fi and some half-day excursions included; no tipping.
Fuji: Setouchi Christmas cruise to Matsuyama and Busan: 3 December 2026. Fuji: New Year cruise to Guam and Saipan: 25 December 2026. Fuji: South Seas cruise (A course): 3 February 2027. Fuji: spring Shikoku and Jeju cruise: 27 March 2027. Fuji: spring round-Japan cruise: 18 April 2027. Fuji: 2028 Oceania cruise (Australia's east coast, Tasmania and New Zealand): 19 January 2028. Sakura: Christmas cruise to Kitsuki and Setoda: 23 December 2026. Sakura: debut cruise to Hakodate: 23 October 2026. Sakura: fly-and-cruise Okinawa A (Kume and Iriomote): 24 January 2027; further Okinawa courses January, February and April 2027.
Infants from six months; under-2s sail free (no meal or bed), children up to primary-school age pay 75%; under-15s must travel with an adult and 15- to 17-year-olds need a guardian's consent; preschoolers need a signed consent form.