| IMO | 9417098 |
|---|---|
| Gross tonnage | 32,477 GT |
| Length | 198.19 m |
| Beam | 26.0 m |
| Builder | T. Mariotti |
| Hull number | 63 |
| Launched | 2010 |
| Maiden voyage | 2010 |
| Operator | Mitsui Ocean Cruises |
| Status | Active |
| All names | Mitsui Ocean Sakura; Seabourn Sojourn |
Overview
Seabourn Sojourn is the second of the three Odyssey-class ships that rebuilt Seabourn Cruise Line in 2009–2011, taking the line from its original trio of 200-passenger yachts to a fleet of modern 450-passenger luxury ships. Built by T. Mariotti at Genoa and delivered in 2010, she spent sixteen years as a Seabourn flagship — a frequent host of the line's world cruise — before a sale that the frozen dataset does not yet reflect: acquired by Mitsui O.S.K. Lines in March 2025, chartered back to Seabourn for a farewell season, and handed over in May 2026 to become Mitsui Ocean Sakura for the Japanese market. Her career is therefore in two acts, and the second has only just begun.
Key specifications
The dataset records 32,477 GT, a length of 198.19 m, a beam of 26.0 m, T. Mariotti of Genoa as builder and yard number 63. Her own Wikipedia article gives 32,346 GT, 198.00 m and 25.60 m — the small differences are the usual gap between registered and published figures, and the dataset values stand in the box above. The article further reports a draught of 6.40 m, eleven passenger decks, 225 staterooms and a capacity of 450 passengers, with a maximum speed of 22.3 knots. The class was designed by YSA Design of Oslo, Norway. She offers roughly 72 gross tons of space per passenger at full capacity — among the most generous space ratios of any ship in this directory — which, more than any single feature, defines the product.
Design and construction
Sojourn was ordered in November 2008, the middle order of the three-ship programme that followed the success of Seabourn Odyssey. Mariotti, a Genoa yard better known for naval and specialist work than for cruise ships, built all three sisters — a notable act of faith by both parties, since the yard had to step up to series production of a sophisticated luxury design. The design concept was to scale up the original Seabourn yacht formula without losing it: all-suite accommodation, most of it with verandas; open-seating dining; and public rooms sized for sociability rather than spectacle. The signature space is Seabourn Square, a combined lounge, library, coffee bar and concierge area that replaces the conventional cruise-ship lobby and reception desk — an idea the class introduced and the wider luxury segment has since widely copied.
Naming, launch and maiden voyage
She was launched at Genoa in 2010 and christened on 4 June 2010, entering service the same month. The dataset records both launch and maiden voyage simply as 2010, which matches the published record at year precision; a more precise maiden-voyage date was not established from the sources consulted. Unusually for a ship of her era she has carried a single name for the whole of her Seabourn career — the rename to Mitsui Ocean Sakura in 2026 is the first change of identity in sixteen years.
Career by operator
| Name | Operator | Period |
|---|---|---|
| Seabourn Sojourn | Seabourn Cruise Line | 2010–2026 |
| Mitsui Ocean Sakura | Mitsui Ocean Cruises | 2026– |
Two quirks of the dataset deserve noting. Its operator history also lists Holland America Line, for which no evidence of actual operation of this ship was found — it appears to be a corporate/registry artifact, Holland America being a fellow Carnival Corporation brand historically associated with Seabourn's management. And its name and operator fields stop at Seabourn: the Mitsui transfer, agreed in March 2025 and completed in May 2026 after a charter-back period covering a final 129-day world cruise that ended at Vancouver on 15 May 2026, post-dates the roster the dataset was built from. Sojourn follows her sister Seabourn Odyssey, which made the same move in 2024 as Mitsui Ocean Fuji.
Onboard character
The Odyssey class codified a particular idea of luxury: no main show lounge spectacle, no fixed dining seatings, and service built around recognition — a crew-to-guest ratio approaching one-to-one, staff who learn names and preferences, and set-piece Seabourn rituals such as Caviar in the Surf, where uniformed staff serve champagne and caviar from a surfboard in the sea. Architecturally, Seabourn Square is the era-defining space: a residential "living room" at the ship's centre instead of a transactional front desk. The Retreat, a quiet top-deck enclave, and a two-deck spa — promoted at launch as the largest on a luxury ship of her size — complete a design that is about calm density of service rather than novelty attractions.
Major refits and incidents
Her one documented refit in Seabourn service is a six-day refit at Freeport, Bahamas, in December 2017 — a refresh, not a rebuild; the class has never been lengthened or structurally altered. Adaptation work for her Japanese role was expected after the May 2026 handover, before a planned inaugural sailing under her new name on 19 September 2026. No major incident — grounding, fire or collision — was found for this hull in the sources consulted.
Sister ships and class
She is the second of three Odyssey-class sisters built by T. Mariotti: Seabourn Odyssey (2009, lead ship, now Mitsui Ocean Fuji), Seabourn Sojourn (2010) and Seabourn Quest (2011), which remains with Seabourn. The dataset leaves her class field blank; the class attribution here is from her own article and the line's fleet history. That two of the three sisters have now transferred to the same Japanese operator gives the class an unusual second collective life in a single market.
Fate and where she is now
The dataset lists her as active for Seabourn Cruise Line, and she is indeed active — but under new ownership and a new name. Following the completion of her final Seabourn world cruise in May 2026 she was handed to Mitsui Ocean Cruises, renamed Mitsui Ocean Sakura — "Sakura" honouring earlier Mitsui ships of that name and symbolising Japan — and prepared for service around Japan, succeeding the retired Nippon Maru, with an inaugural voyage scheduled from Yokohama on 19 September 2026. Readers using the spec box above should treat it as her as-built Seabourn record; her Japanese career belongs to the next dataset revision.
Sources: https://en.wikipedia.org/wiki/List_of_cruise_ships, https://en.wikipedia.org/wiki/MV_Seabourn_Sojourn, https://cruiseindustrynews.com/cruise-news/2026/05/sojourn-completes-final-cruise-for-seabourn/, https://www.travelmarketreport.com/cruises/articles/seabourn-sojourn-will-become-mitsui-ocean-sakura