Cruises Operated by Poseidon Expeditions

from $16,695

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Antarctic Wildlife Adventure

Ushuaia to Buenos Aires - 23 Day Itinerary aboard Sea Spirit

• Join this ultimate wildlife cruise
• Discover incomparable landscapes
• Visit Shackleton's resting place
• Explore Stanley, Falkland Islands

Starts / Ends

Port of Ushuaia / Buenos Aires

Activity Level

Variable

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.

Cruise Details

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from $17,195

EBD 15

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Antarctic Wildlife Adventure

Ushuaia to Buenos Aires - 23 Day Itinerary aboard Sea Spirit

• Join this ultimate wildlife cruise
• Discover incomparable landscapes
• Visit Shackleton's resting place
• Explore Stanley, Falkland Islands

Starts / Ends

Port of Ushuaia / Buenos Aires

Activities

Photography Seminars, Wildlife Viewing, Adventure Options, Whale Watching, Kayaking

Activity Level

Variable

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.

Cruise Details

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from $17,495

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Antarctic Wildlife Adventure

Roundtrip Ushuaia - 21 Day Itinerary aboard Sea Spirit

• Explore Ushuaia’s scenic waterfront
• Sail Beagle Channel’s waters
• Discover Falkland landscapes
• Experience Stanley’s ambiance

Starts / Ends

Port of Ushuaia / Port of Ushuaia

Activity Level

Variable

Embark on a 21-day expedition cruise aboard the Sea Spirit, starting in Ushuaia and exploring the Falkland Islands and South Georgia, where you can see king penguins and historic whaling sites. Experience the Antarctic Peninsula's stunning landscapes and wildlife before a memorable Drake Passage crossing.

Cruise Details

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from $19,795

EBD 15

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Antarctic Wildlife Adventure

Roundtrip Ushuaia - 21 Day Itinerary aboard Sea Spirit

• Cross Southern Ocean’s expanse
• Observe South Georgia’s wildlife
• Visit Grytviken’s whaling station
• Explore Ushuaia’s scenic waterfront

Starts / Ends

Port of Ushuaia / Port of Ushuaia

Activity Level

Variable

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.

Cruise Details

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from $14,295

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Best of the Southern Ocean

Roundtrip Ushuaia - 19 Day Itinerary aboard Sea Spirit

• Explore Ushuaia’s landscapes
• Sail Falkland Islands’ remote haven
• Discover South Georgia’s wildlife
• Explore Grytviken’s historic sites

Starts / Ends

Port of Ushuaia / Port of Ushuaia

Activity Level

Variable

Embark on a 19-day expedition cruise aboard the Sea Spirit, departing from Ushuaia to explore the Subantarctic and Antarctic regions. Experience the wildlife-rich Falkland Islands, stunning South Georgia, and unforgettable landscapes, with expert-led landings along the way.

Cruise Details

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from $16,195

EBD 15

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Best of the Southern Ocean

Roundtrip Ushuaia - 19 Day Itinerary aboard Sea Spirit

• Explore Grytviken’s historic past
• Discover South Georgia’s wildlife
• Observe Falklands’ marine wonders
• Explore Ushuaia’s landscapes

Starts / Ends

Port of Ushuaia / Port of Ushuaia

Activity Level

Variable

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.

Cruise Details

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from $13,195

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Crossing the Antarctic Circle

Roundtrip Ushuaia - 15 Day Itinerary aboard Sea Spirit

• Sail through the Beagle Channel
• Cruise Lemaire Channel's icy beauty
• Discover South Shetland Islands
• Cross the Drake Passage's waters

Starts / Ends

Ushuaia / Port of Ushuaia

Activity Level

Variable

Embark on a 15-day expedition aboard the Sea Spirit from Ushuaia to the stunning Antarctic Peninsula and the South Shetland Islands, where you can encounter whales, albatrosses, and vibrant wildlife. Enjoy kayaking, camping, and onboard festivities before returning to Ushuaia.

Cruise Details

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from $15,295

EBD 15

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Crossing the Antarctic Circle

Roundtrip Ushuaia - 15 Day Itinerary aboard Sea Spirit

• Explore vibrant Ushuaia
• Sail through Beagle Channel
• Witness towering Antarctic glaciers
• Kayak in Antarctica's serene bays

Starts / Ends

Ushuaia / Port of Ushuaia

Activities

Camping

Activity Level

Variable

Embark on a 15-day expedition to and from Ushuaia aboard the Sea Spirit, departing from Ushuaia, Argentina, to explore the stunning Antarctic Peninsula and the South Shetland Islands. Encounter whales, penguins, and spectacular glaciers.

Cruise Details

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from $11,995

EBD 15

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In-Depth Exploration in the Land of the Polar Bear

Roundtrip Longyearbyen - 14 Day Itinerary aboard Sea Spirit

• Explore Longyearbyen’s Arctic charm
• Sail through Isfjorden
• Discover Kvitoya’s icy wilderness
• Marvel at Alkefjellet’s bird cliffs

Starts / Ends

Longyearbyen / Longyearbyen

Activity Level

Variable

Embark on a 14-day expedition cruise aboard the Sea Spirit, starting in Longyearbyen and exploring the stunning landscapes of Northwest Spitsbergen National Park and Kvitoya, home to polar bears. Experience the wildlife of Isfjorden, witness the impressive ice cliffs of Austfonna, and conclude your adventure along Spitsbergen’s west coast.

Cruise Details

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from $10,095

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Arctic Odyssey

Longyearbyen - Reykjavik - 14 Day Itinerary aboard Sea Spirit

• Explore Longyearbyen’s scenery
• Spot polar bears in Svalbard
• Admire Iceland’s vast Westfjords
• Discover the Svalbard Archipelago

Starts / Ends

Longyearbyen / Reykjavik

Activity Level

Variable

Embark on a 14-day expedition aboard the Sea Spirit, starting in Longyearbyen with visits to the Svalbard Museum and stunning landscapes. Explore Svalbard's wildlife, sail to East Greenland's fjords, visit an Inuit village, and experience Iceland's dramatic Westfjords before concluding in Reykjavik.

Cruise Details

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from $13,795

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Arctic Odyssey Under a Solar Eclipse

Longyearbyen - Reykjavik - 14 Day Itinerary aboard Sea Spirit

• Explore Longyearbyen’s rich history
• Sail through Isfjorden’s calm water
• Discover Svalbard’s glaciers
• Witness a total solar eclipse

Starts / Ends

Longyearbyen / Reykjavik

Activities

Hiking

Activity Level

Variable

Embark on a 14-day expedition aboard the Sea Spirit, starting in Longyearbyen, and experience the midnight sun while exploring Svalbard's stunning fjords and wildlife. Witness a rare total solar eclipse in the Arctic, then sail to Iceland's breathtaking Westfjords before concluding your adventure in Reykjavik.

Cruise Details

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from $10,095

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Arctic Odyssey

Reykjavik - Longyearbyen - 14 Day Itinerary aboard Sea Spirit

• Explore Reykjavik’s lively streets
• Discover Westfjords’ rugged fjords
• Cruise Scoresby Sund’s vast fjords
• Visit Ittoqqortoormiit’s village

Starts / Ends

Reykjavik / Longyearbyen

Activity Level

Variable

Join this 14-day cruise on the MV Sea Spirit from Reykjavik, experiencing vibrant culture and Icelandic cuisine. Sail through Faxafloi, spotting whales, then explore remote West Fjords, East Greenland, and Svalbard, ending in Longyearbyen.

Cruise Details

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from $10,495

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In-Depth Exploration in the Land of the Polar Bear

Roundtrip Longyearbyen - 14 Day Itinerary aboard Sea Spirit

• Discover Kvitoya’s icy wilderness
• Explore Longyearbyen’s Arctic charm
• Enjoy Spitsbergen’s landscapes
• Witness polar bears in the Arctic

Starts / Ends

Longyearbyen / Longyearbyen

Activity Level

Variable

Embark on a 14-day expedition cruise to and from Longyearbyen aboard the Sea Spirit. Explore the stunning landscapes and wildlife of Svalbard. Encounter polar bears, visit remote islands, and create unforgettable memories on this Arctic adventure.

Cruise Details

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from $10,595

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Historical Expedition Cruise "In the Footsteps of Aviation Pioneers"

Roundtrip Longyearbyen - 14 Day Itinerary aboard Sea Spirit

• Explore Longyearbyen’s history
• Visit remote Ny Alesund
• Navigate icy Kvitoya
• Search for polar bears

Starts / Ends

Longyearbyen / Longyearbyen

Activity Level

Variable

Embark on a 14-day expedition cruise aboard MV Sea Spirit, tracing the historic routes of legendary explorers while navigating Svalbard’s breathtaking fjords, vast glaciers, and wildlife-rich tundra. From Longyearbyen to remote icy frontiers like Kvitoya and Alkefjellet, witness polar bears, belugas, and seabird colonies.

Cruise Details

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from $15,695

EBD 15

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Arctic Odyssey

Reykjavik - Longyearbyen - 14 Day Itinerary aboard Sea Spirit

• Explore Reykjavik
• Marvel at East Greenland
• Explore Svalbard
• Discover West Fjords of Iceland

Starts / Ends

Reykjavik / Longyearbyen

Activity Level

Variable

Join this 14-day cruise on the MV Sea Spirit from Reykjavik, experiencing vibrant culture and Icelandic cuisine. Sail through Faxafloi, spotting whales, then explore remote West Fjords, East Greenland, and Svalbard, ending in Longyearbyen.

Cruise Details

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from $6,195

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Best of British Isles

Portsmouth - Edinburgh - 13 Day Itinerary aboard Sea Spirit

• Explore Tresco's exotic gardens
• Tour Dunmore East's lush estates
• Visit Saltee's famed bird haven
• Stroll Kirkwall's historic streets

Starts / Ends

Portsmouth / Leith

Activities

Archaeological Site Visits

Activity Level

Variable

Embark on a 13-day expedition aboard the Sea Spirit, starting in Portsmouth and exploring the Scilly Isles, Ireland's scenic coast, Wales' Snowdonia, and Northern Ireland's Giant's Causeway. Discover Scotland's Orkney sites and Fair Isle's seabirds, and finish in Edinburgh's lively port of Leith.

Cruise Details

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from $6,795

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Crossing the Arctic Circle

Edinburgh - Longyearbyen - 13 Day Itinerary aboard Sea Spirit

• Discover Edinburg's unique charm
• Explore Kirkwall’s Viking heritage
• See Fair Isle’s rare seabirds
• Visit Jan Mayen’s volcanic shores

Starts / Ends

Edinburgh / Longyearbyen

Activity Level

Variable

Embark on a 13-day expedition cruise from Edinburgh to Longyearbyen aboard the Sea Spirit, exploring Scotland's capital, Orkney's ancient sites, Fair Isle's wildlife, and the Faroe Islands' culture. Experience the Arctic Circle, Jan Mayen's volcanoes, and Svalbard's stunning glaciers and polar bears in an unforgettable adventure.

Cruise Details

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from $7,795

EBD 15

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Crossing the Arctic Circle

Edinburgh - Longyearbyen - 13 Day Itinerary aboard Sea Spirit

• Explore Kirkwall’s Viking heritage
• Sail from Leith’s historic port
• Walk Torshavn’s colorful streets
• Cruise past Svalbard’s icy fjords

Starts / Ends

Edinburgh / Longyearbyen

Activities

Village Visits

Activity Level

Variable

Embark on a 13-day expedition from Edinburgh to Longyearbyen on the Sea Spirit, exploring Orkney's ancient sites, Fair Isle's wildlife, and the Faroe Islands' culture. Experience the Arctic Circle's volcanic landscapes and Svalbard's pristine wilderness with expert-led excursions and breathtaking scenery.

Cruise Details

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