Poseidon Expeditions, a specialist in small-ship voyages to remote polar regions, has opened bookings for its 2026 Arctic and 2026-2027 Antarctic expeditions aboard MV Sea Spirit. The upcoming season marks the 12th consecutive year of polar operations for the vessel, which is well-suited for small-group exploration in extreme environments.
A new feature for the 2026-2027 season is an all-inclusive beverage package, available on all voyages, offering guests a selection of soft drinks, house beer and wine, as well as house spirits.
2026 Arctic Expeditions
The Arctic program includes voyages to Svalbard, Greenland, and the Canadian High Arctic, with a range of itineraries emphasizing wildlife, glaciology, and regional history. Key highlights include:
- Longyearbyen Sightseeing Tour – All voyages concluding in Longyearbyen, Svalbard, will include a guided tour of the northernmost city in the world.
- Solar Eclipse Expedition (August 2nd–15th, 2026) – A special voyage will be dedicated to the total solar eclipse on August 12th, 2026, featuring astrophysicist Paul Sutter as a guest lecturer.
Early booking discounts are available for Arctic voyages reserved by June 30th, 2025, with savings of 10% on select suites and 15% on higher-category accommodations.
2026-2027 Antarctic Expeditions:
The Antarctic program extends through April, allowing for broader seasonal exploration of the Southern Ocean. Guests will have additional opportunities to visit South Georgia Island and the Antarctic Peninsula under varying seasonal conditions.
Early booking discounts apply to reservations made by July 31st, 2025, offering 10% savings on select suites and 15% discounts on premium accommodations.
Sea Spirit operates with a limited capacity of ~100 guests, ensuring an intimate expedition experience without large crowds. The ship features all-suite accommodations ranging from 20 to 40 square meters (215 to 463 square feet), 2 lecture lounges, a full-service restaurant, a polar library, and an expansive outdoor deck for observation.
The onboard expedition team, consisting of bilingual polar guides, naturalists, and educators, leads shore landings, interpretive walks, and photography workshops. Optional activities include sea kayaking in both polar regions and overnight camping on the Antarctic Peninsula, offering guests deeper immersion into their surroundings.
With an expedition staff-to-passenger ratio of 1:9, Sea Spirit maintains one of the most personalized expedition experiences available in polar cruising.