Poseidon Expeditions Now Accepting Reservations for 2026 Arctic and 2026-2027 Antarctic Seasons

Poseidon Expeditions has officially opened reservations for its 2026 Arctic and 2026-2027 Antarctic voyages aboard the MV Sea Spirit. This will mark the vessel’s 12th consecutive year serving polar regions, specifically designed for small-group explorations in extreme environments.

A notable addition for the upcoming season is an all-inclusive beverage package available on all voyages, featuring a selection of soft drinks, house beer and wine, and house spirits.

2026 Arctic Expeditions

The Arctic itinerary includes trips to Svalbard, Greenland, and the Canadian High Arctic, focusing on wildlife, glaciology, and regional history. Highlights of this program include:

• Longyearbyen Sightseeing Tour: Every voyage ending in Longyearbyen, Svalbard, will offer a guided tour of the world’s northernmost city.
• Solar Eclipse Expedition (August 12th, 2026): A special cruise dedicated to the total solar eclipse, with astrophysicist Paul Sutter as a guest lecturer.

Early booking discounts are available for Arctic voyages reserved by June 30th, 2025, providing 10% off select suites and 15% off higher-category accommodations.

2026-2027 Antarctic Expeditions

The Antarctic excursions will run through April, enabling broader seasonal exploration in the Southern Ocean. Passengers will have additional chances to visit South Georgia Island and the Antarctic Peninsula under various seasonal conditions.

Similar early booking discounts apply for these Antarctic voyages, with a 10% discount on select suites and 15% on premium accommodations for reservations made by July 31st, 2025.

The Sea Spirit caters to approximately 100 guests, ensuring an intimate expedition experience free from crowded conditions. It offers all-suite cabins ranging from 20 to 40 square meters, equipped with two lecture lounges, a full-service restaurant, a polar library, and an outdoor deck for observation.

An expedition team made up of bilingual polar guides, naturalists, and educators will lead the onboard activities, including shore landings, walks, and photography workshops. Optional activities such as sea kayaking and overnight camping on the Antarctic Peninsula further enhance the immersive experience.

With an impressive staff-to-guest ratio of 1:9, the Sea Spirit provides one of the most personalized expedition experiences available in polar cruising.

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