Inside Aureum, Secret Atlas’s 36-Guest Antarctica Yacht

A new generation of polar travel is taking shape in Antarctica, with expedition operator Secret Atlas positioning its 36-guest yacht Aureum as a compact alternative to conventional cruise ships on the White Continent.

A Micro Cruise Ship Built for Just 36 Guests

Aureum is being promoted as one of the smallest scheduled passenger vessels currently operating in Antarctic waters, with capacity limited to 36 guests. Publicly available information from the operator describes it as an ice-class expedition ship designed specifically around that low number, rather than a larger vessel reduced in scale.

The ship is listed at around 56 meters in length, with ice-strengthened hull and active fin stabilisers intended to smooth the notorious Southern Ocean swells. Secret Atlas highlights a complement of 32 crew and six senior polar guides, producing a guide-to-guest ratio of roughly 1 to 6, significantly tighter than on most larger expedition ships.

According to published coverage, Aureum carries four Zodiac boats, enough to place all guests ashore in a single deployment. That capacity is central to the company’s “micro cruise” positioning, aiming to eliminate the rotations and waiting times that can accompany landings from ships carrying 100 or more passengers.

The vessel layout emphasizes open-air viewing, with a forward observation deck at the bow and an open-bridge lounge concept where guests can spend time near the navigation team as wildlife and ice conditions shape each day’s route.

Hybrid Propulsion and Lower-Impact Polar Operations

Secret Atlas markets Aureum as part of a trend toward quieter, lower-emission expedition ships in sensitive polar environments. Technical information released by the company cites a hybrid diesel-electric propulsion system with battery support, designed to reduce overall fuel consumption and cut engine use where possible.

The operator also points to low-RPM propulsion that aims to reduce underwater noise, a growing concern among conservation groups and regulators in regions where whales, seals and other marine mammals are a primary attraction. While comprehensive independent assessments are still limited, the ship is presented as aligning with emerging expectations for more responsible polar tourism.

On board, group sizes are kept small by design. With a maximum of 36 travelers, shore excursions can run with fewer people per guide than on larger ships, and briefings, workshops and wildlife talks are typically delivered in a single sitting rather than split into multiple sessions. The company frames this as both a comfort advantage and a way to reduce crowding at landings.

Industry observers note that such micro-scale voyages generally come at a premium price compared with higher-capacity cruises. However, they also reduce the number of visitors at any one time at fragile sites, which some researchers and advocacy groups regard as an important step in managing cumulative impact in Antarctica and South Georgia.

Antarctica, South Georgia and Shackleton-Themed Routes

The 36-guest itineraries built around Aureum concentrate on three core regions: the Antarctic Peninsula, South Georgia and, on certain extended voyages, elements of the classic Sir Ernest Shackleton “Endurance” route. Schedule details published for upcoming seasons show trips that range from roughly 9 to 19 days.

Standard Antarctica programs focus on the Antarctic Peninsula, with Zodiac cruising among icebergs, visits to penguin colonies and opportunities to see humpback whales and various seal species in the austral summer months. Some departures are structured as “fly and cruise,” using a flight across the Drake Passage to save time and avoid the two-day open-ocean crossing.

Separate South Georgia itineraries, branded as “South Georgia in Depth,” are set up as 36-guest micro cruises to the wildlife-rich island in the South Atlantic. These typically include multiple days ashore among vast king penguin colonies and beaches crowded with elephant seals and fur seals, timed for early or peak wildlife seasons.

Aureum is also scheduled on a Shackleton Special route that combines South Georgia, Elephant Island and the Antarctic Peninsula. This longer expedition follows, in broad strokes, parts of Shackleton’s historic journey, connecting major sites associated with the Endurance story while maintaining the same 36-passenger cap.

Yacht-Like Comfort With Dedicated Solo Cabins

Beyond its expedition credentials, Aureum is positioned as a yacht-style ship with a strong emphasis on comfort for a small group. Deck plans and cabin descriptions show five cabin categories, including single, twin and double options, all with private ensuite facilities.

The operator underscores that more than a third of the cabins are dedicated single cabins, one of the highest proportions of solo accommodation currently advertised in Antarctic expedition cruising. For solo travelers, this arrangement is presented as an alternative to paying single supplements or sharing with a stranger, practices that remain common elsewhere in the market.

Shared spaces include a lounge bar, restaurant, wellness area and a mudroom allowing guests to gear up for Zodiac operations with direct access to the water level. The atmosphere described in promotional material leans toward boutique hotel styling rather than traditional cruise-ship design, in line with the vessel’s relatively small size.

Industry travel partners and specialist photography outfitters have begun chartering voyages on Aureum, presenting it as a platform that combines a high level of comfort with the flexibility that comes from having only a few dozen guests on board.

A Niche Offering in a Rapidly Growing Polar Market

Aureum’s deployment with Secret Atlas reflects a broader shift in the Antarctic cruise sector, where fleet expansion over the past decade has been driven mainly by ships carrying between 100 and 200 passengers. Against that backdrop, a purpose-built 36-guest vessel stands out as a niche product aimed at travelers prioritizing time ashore and a quieter onboard environment over sheer scale.

Recent scheduling information indicates that many of the longer South Georgia and combined South Georgia–Antarctica departures for upcoming seasons are operating with limited availability or are already listed as sold out, suggesting demand for small-group itineraries in a market that has often been dominated by larger ships.

While micro cruises such as those on Aureum remain a small fraction of overall Antarctic visitor numbers, analysts expect interest in lower-impact and more personalized voyages to grow as travelers become more aware of both environmental considerations and the experiential differences between large and small expeditions.

For now, the 36-guest Antarctica yacht program offered by Secret Atlas positions Aureum as one of the most intimate scheduled options for reaching the White Continent and its subantarctic islands, targeting travelers willing to trade scale for space, time and a closer connection to the polar environment.