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Polar ice shelves dwarf the Sea Spirit

Poseidon Expeditions

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Poseidon Expeditions was founded in the U.K. in 1999. Poseidon Expeditions is a leading provider of polar expeditions in the cruise industry. With the 114-passenger Sea Spirit, Poseidon Expeditions offers expedition cruises to Antarctica, to the Arctic destinations of Svalbard, Greenland, Franz Josef Land, and Iceland. Poseidon also provides guests with the unique opportunity to travel to the geographic North Pole aboard the 50 Years of Victory, the largest and most modern nuclear-powered icebreaker in the world. Using a fleet of Zodiac landing craft and operating different types of helicopters aboard icebreakers, passengers are guided ashore by an exceptional team of expedition guides and educators to observe up-close the spectacular wildlife and landscapes.

Cruises Operated by Poseidon Expeditions

Rockhopper penguins

Antarctic Wildlife Adventure

23 Days from $20,595
Embark on a 23-day expedition cruise from Ushuaia to Buenos Aires aboard the Sea Spirit, exploring stunning Antarctic landscapes and diverse wildlife like penguins and seals. Visit South Georgia and the Falkland Islands before concluding your journey with a scenic sail across the South Atlantic.
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A whale comes up to say hello

Antarctic Wildlife Adventure

23 Days from $17,195
Embark on a 23-day expedition cruise aboard the Sea Spirit from Ushuaia to Buenos Aires, exploring vibrant cities and diverse wildlife, including penguins and whales. Discover the breathtaking landscapes of the Antarctic Peninsula, South Georgia Island, and the bird-filled Falkland Islands before concluding your journey across the South Atlantic.
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A group of penguins in the Falkland Islands

Antarctic Wildlife Adventure

21 Days from $19,795
Embark on a 21-day cruise aboard the Sea Spirit, starting in Ushuaia and exploring the Falkland Islands and South Georgia, home to diverse wildlife. Navigate the Antarctic Peninsula's stunning landscapes and complete your journey with the iconic Drake Passage crossing.
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King penguins on South Georgia

Best of the Southern Ocean

19 Days from $16,195
Embark on a 19-day cruise aboard the Sea Spirit from Ushuaia, exploring the wildlife-rich Falkland Islands and the stunning wilderness of South Georgia, home to vast penguin colonies and historical sites. Experience expert-led landings and unforgettable wildlife encounters before returning to Ushuaia.
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Poseidon Expeditions Ships

Sea Spirit (PO)

Sea Spirit

from $6,495
Explore polar regions in style and comfort aboard the all-suite Sea Spirit. Providing spacious accommodations for a maximum of 114 passengers, the Sea Spirit also features the maneuverability and friendly atmosphere of a small ship.
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