BY Nick Walton on 9 Mar 2023

U-Boat Worx's Cruise Sub 7 submarines have taken thousands of guests on more than 1,000 Antarctic submarine dives in a single season.

The Cruise Subs were aboard cruise ships operated by different owners, including the Scenic Eclipse, which debuted the subs back in 2020, the Viking Octantis; and the Seabourn Venture when she embarked upon her maiden voyage.

The three cruise lines together have completed more than 1,000 dives, taking guests on immersive underwater journeys to explore the mesmerising marine life and spectacular natural wonders of Antarctica. The dives offer both cruise goers and super yacht owners a clear indication of the capabilities of the submersibles, which were recently paired with the new Silent 60 yacht as part of a unique collaboration. 

ScenicSeabourn, and Viking‘s submarines are U-Boat Worx’ Cruise Sub 7 model – state-of-the-art submersibles that can dive to 300 meters (1,000 feet) below the surface. The Cruise Sub 7 is built for comfort and safety and boasts large acrylic windows that provide 360-degree views of the underwater world, and seats specially designed to maximise legroom and headroom for guests.

U-Boat Worx's Cruise Sub 7 submarines have taken thousands of guests on more than 1,000 Antarctic submarine dives in a single season.

Being battery-powered, the sub emits no pollutants, making it an environmentally friendly way for passengers to explore the depths of the Southern Ocean. Each sub is equipped with powerful external lights to illuminate the sea floor. With only a small number of guests per dive, the experience is intimate, exclusive, and unforgettable.

Every dive into the cold Antarctic waters provides an opportunity for new discoveries. Recently a giant phantom jellyfish was spotted three times from Viking Octantis’ yellow submarines. According to National Geographic, since first being described in 1910 there have only been around 126 confirmed encounters with the rare giant phantom jellyfish “scyphozoan Stygiomedusa gigantea”.

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