Seabourn Venture (2022, 264 passengers) is Seabourn's first expedition ship. Sister to Pursuit with the same PC6 ice rating, two custom submarines, 24 Zodiacs, and a 26-member expedition team of scientists and naturalists. All 132 suites have private verandas. Follows polar seasons: Arctic summers in Svalbard and Greenland, then south to Antarctica. All-inclusive covers drinks, gratuities, Thomas Keller dining, and Zodiac excursions.