MV Ushuaia
1970-built expedition ship refitted three times, carrying up to 88 passengers in Antarctica. The oldest active expedition ship in the Antarctic fleet, bilingual Spanish/English programming, and Starlink WiFi.
Adventure
13 posts — Expedition-focused ships with an emphasis on activity and exploration over amenities.
G Expedition
1975-built expedition ship refitted three times (most recently 2025), carrying up to 128 passengers in Antarctica. G Adventures' sole vessel, with 7 triple cabins, no balconies, stairs/gangway Zodiac loading, and Polar Class 6 ice rating.
Heritage Adventurer
1991-built expedition ship refitted in 2022 and 2025, operating at a 100-passengers.8 single cabins, triple share options, Starlink WiFi, and Ice Class 1A Super rating.
MS Fram
Traditional hull expedition ship built in 2007, carrying up to 200 passengers in Antarctica. In-room dining, Starlink WiFi, water-level Zodiac boarding, and Ice Class 1B rating.
National Geographic Explorer
1982-built traditional hull ship refitted three times (most recently 2023), carrying up to 148 passengers in Antarctica. 14 single cabins, water-level Zodiac boarding, Starlink WiFi, and Ice Class 1A rating.
National Geographic Orion
2003-built traditional hull expedition ship, carrying up to 102 passengers in Antarctica via fly-cruise only. Lindblad's smallest Antarctic vessel, with 4 single cabins, Starlink WiFi, and Ice Class 1A rating.
Island Sky
1992-built classic expedition ship carrying up to 100 passengers in Antarctica. Noble Caledonia's sole vessel, with intimate no-frills expedition style, 40% balcony cabins, water-level Zodiac boarding, and Ice Class 1D rating.
Ortelius
1989-built expedition ship refitted in 2019, carrying up to 108 passengers in Antarctica. Oceanwide Expeditions' smallest vessel, with helicopter capability, quad cabin shares, and Ice Class 1A Super rating.
Plancius
1976-built expedition ship refitted in 2023, carrying up to 108 passengers in Antarctica. Oceanwide Expeditions' oldest vessel, with quad cabin shares, stairs/gangway Zodiac loading, and Ice Class 1D rating.
Discoverer
1989-built expedition ship. Traditional hull, Ice Class 1A, carrying up to 140 passengers with 14 Zodiacs and twice-refitted interiors.
Ocean Nova
Small converted Danish ferry boat built in 1992, refitted in 2006, carrying up to 67 passengers in Antarctica. Traditional hull, no balcony cabins.
Sea Spirit
1991-built classic expedition ship refitted three times, carrying up to 114 passengers in Antarctica. Poseidon Expeditions' sole vessel, with 6 triple cabins, 2 singles, Starlink WiFi, and Ice Class 1D rating.
St. Helena
1989-built Scottish-built working ship refitted, carrying up to 98 passengers in Antarctica starting December 2026. The former Royal Mail Ship St. Helena, with 6 singles, 4 triples, 4 quads, and Ice Class 1C rating.