Seabourn has put 50 itineraries visiting more than 200 destinations in almost 40 countries on sales.
Four ships will operate voyages to the Mediterranean, Northern Europe, Alaska, Japan, and Canada and New England between March and December 2026.
Itineraries range from seven to 21 days, with two solar eclipse voyages in august 2026 on Seabourn Ovation and Seabourn Sojourn.
Ovation will operate a 14-day West Ireland Gems & Solar Eclipse voyage departing on August 8, 2026, from Dover to Reykjavik in Iceland.
Sojourn will complete a round-trip from Barcelona on a 10-day Spanish Gems & Solar Eclipse trip, leaving on August 7, 2026.
Seabourn Quest and Seabourn Sojourn will sail the Mediterranean from June to November 2026.
Quest will visit 60 ports in 15 countries on a series of seven-day voyages, including a maiden call to Spanish enclave Ceuta in Morocco.
Each itinerary can be combined to make 14 or 21-day voyages.
Sojourn will go to 59 port sin 17 countries on a series of 10-day itineraries in the Western Mediterranean.
Seabourn Ovation will sail two Southern Caribbean departures between Barbados and St Maarten in late March 2026.
The ship will then travel to 70 destinations in 18 countries with around the British Isles, Iceland and the Norwegian Fjords with itineraries ranging from seven to 22 days.
Ovation will then make a transatlantic crossing for Canada & New England itineraries between September and October 2026, including a first sailing on the St. Lawrence River.
Seabourn Encore will deliver 14-day roundtrip voyages from Yokohama in Tokyo for peak cherry blossom season in Japan.
The ship will also offer 18 and 21-day Pacific Passage voyages between Japan and Alaska in April and September 2026.
Encore will move to Alaska for summer 2026 with 27 departures ranging from seven to 15 days between May and September.
Natalya Leahy, Seabourn president, said the new 2026 voyages were curated to combine “all-time favourites” with “many new unique experiences”.
She said: “With our private, yacht-like atmosphere, a personalised array of guest services, and captivating itineraries featuring boutique ports, there’s no better place to explore the world than on an ultra-luxury Seabourn ship.
“We invite our guests to join us and experience the best ultra-luxury travel experience at sea while exploring the world.”