The Atlas yachts: three sisters and a sailing ship on the way

World Navigator, World Traveller and World Voyager came off the same Portuguese line, with the same eight suite plans. What separates them now is the calendar — and from November 2026, who sells you the winter.

3Sister yachts in service
100Suites on each, per Atlas
9,930Gross tons, World Navigator
400Guests on Atlas Adventurer, 2028
By Joey Boleslawski, founder & travel advisorFacts checked November 1, 2026
The short answer

Pick the voyage, not the yacht. The three sisters share a hull design, an ice rating and the same suite plans, so the real choice is the departure and the suite collection.

Two fleet facts change the shopping. World Voyager sails Antarctica for Quark from November 2026, so Atlas’s own Antarctic voyages run on World Navigator and World Traveller only. And the 2019 sister World Explorer was never an Atlas ship; it leaves the family entirely as Windstar’s Star Explorer.

Atlas Adventurer is the one different ship. It’s twice the size, and it debuts in late 2028.

01
The sortable fleet

Four hulls, one ruler

Tap a sort button. The meters redraw against the largest yacht, and Atlas Adventurer will win most of them.

Suite counts and sizes are Atlas’s own. The guest figure for the sisters is Seatrade Cruise News’s 198 — Atlas itself says only “fewer than 200”, and Cruise Industry News has used 200.

Atlas doesn’t publish length, crew counts or Zodiac numbers on its ship pages, so we’ve left them out, not borrowed them. Sort by largest suite if space matters more to you than group size.

02
Seven years of fleet moves

The family tree, with dates

Six Mystic ships, five from West Sea in Portugal and one from China, three of them Atlas’s today. Dates come from Atlas and the trade press named in the sources.

2019First

World Explorer

Mystic’s first ship sails for Nicko Cruises, Rivages du Monde and Quark. It never flies the Atlas flag.

Now Windstar’s
Nov 2020Built

World Voyager

Delivered by West Sea for Nicko Cruises. It debuts in April 2021 with a Canary Islands voyage from Tenerife.

Atlas from Sept 2023
Aug 2021Launch

World Navigator

The first Atlas voyage sails the Mediterranean on August 4, 2021. Atlas certifies it at Polar Category C and Ice Class 1B.

9,930 gross tons
Oct 2022Built

World Traveller

Handed over in Portugal on October 7, 2022, then straight to Antarctica for its first season.

Antarctica, Nov 2022
2024–26Sold

Two sisters to Windstar

Windstar announces in April 2024 that it’s buying World Seeker, first meant for Atlas, and World Explorer. They become Star Seeker (2025) and Star Explorer (December 2026).

Not expedition ships now
Nov 2026 → 2028Next

Quark winters, then a sailing yacht

World Voyager starts three Antarctic seasons for Quark. Atlas Adventurer, announced in January 2026, is due in late 2028.

Three seasons400 guests

Most Atlas reading online mixes these hulls up. Star Explorer and Star Seeker look like Atlas yachts because they’re the same family — but Windstar says neither will sail as an expedition ship or to the poles.

Check the ship name on any review before you trust it for an Atlas booking.

03
Eight categories, then seven

Suite plans, sister by sister

On the sisters, the jump that matters is from Signature to Concierge. A Horizon suite is the same 270 sq ft as a Veranda, but it adds wash-and-fold laundry and priority access to experiences.

The Adventure Ocean suites sit on Deck 3. They’re the smallest at 183 sq ft, and the cheapest way aboard.

Reserve suites bring a butler and an expanded in-room menu. On the June 2027 Svalbard voyage they run from $17,004 to $20,064, against $11,054 for the entry suite.

Book Concierge if laundry matters on a long polar trip — it’s the cheapest collection that includes it.

04
What leaves the ship

The expedition kit, as Atlas lists it

Gear and spaces from Atlas’s ship and voyage pages. Where Atlas is silent, the row says so.

KitWhat Atlas publishesWorth knowing
ZodiacsZodiac safaris and landings on polar voyages; no count publishedQuark lists 18 on World Voyager in its configuration
Water’s EdgeAn open deck about 30 ft above the sea, with heated seatingOn the sisters; Atlas named it in its 2026–27 Antarctic release
KayaksOptional kayaking in Antarctica, at extra costPrice not published; ask us
CampingListed for Antarctica “when conditions allow”Not on every departure
Open BridgeListed among World Voyager’s spacesBridge visits depend on the captain and conditions
Binoculars, walking sticksIncluded on every voyageAlways Included list
Parka and vestYours to keep on the polar voyages we readNot on Epicurean voyages; an Atlas backpack there
Helicopters, submarinesNone listedCompare Quark’s Ultramarine for helicopters

Atlas describes its kit in experiences, not inventories. That’s the honest gap on these pages: no Zodiac count, no kayak count, no crew number.

The spaces aboard are better documented — the Dome, the Open Bridge, a pool and hot tub, and SeaSpa by L’OCCITANE on World Voyager.

Kayaking is the one priced extra in Antarctica, and Atlas doesn’t publish the price. Ask us before you plan around it.

The Explorer’s Table is the other: a tasting menu for 10 guests in the Observation Lounge, listed at $179 per guest in March 2025. Reservations open 60 days out.

05
Filter by yacht and region

Who sails where

Try “World Voyager” with “Polar”. Two cards answer, and only one of them is an Atlas booking.

Yacht
Region
World Navigator

Antarctic Peninsula

November to March

Ushuaia round trips of 9 and 11 nights, with the charter from Buenos Aires included.

Lowest fare we found: $12,150, March 8, 2027.

World Traveller

Antarctica, fly or sail

November to March

7-night King George Island fly-cruises, the 18-night South Georgia voyage, and Buenos Aires transits via the Falklands.

The widest Antarctic menu of the three.

World Voyager · Quark

Antarctica for Quark

From November 2026

Three Antarctic seasons on charter. You book these through Quark, on Quark’s terms.

Not on Atlas’s Antarctic list.

World Voyager

Svalbard and Iceland

June to September

Arctic Circle Explorer, Reykjavík to Longyearbyen, from $11,054, plus Tromsø legs.

The Svalbard specialist of the three.

World Navigator

Greenland and Churchill

July to September

Reykjavík to Nuuk, Nuuk to Churchill (16 nights) and Nuuk to St. John’s (17 nights).

For Greenland with Hudson Bay.

World Traveller

Mediterranean, Epicurean

May to October

Nice to Naples, Naples to Athens, Livorno to Dubrovnik, Monte Carlo to Lisbon.

Food-led weeks from $5,047.

World Voyager

Iberia and the British Isles

April, May and September

Las Palmas to Seville, London to Glasgow, Dover to Lisbon.

Shoulder-season Europe.

World Navigator

Canaries and Norway

April and May

A 10-night Las Palmas round trip from $4,599, then Dover to Oslo.

The lowest per-night fares we found.

World Navigator

Caribbean

October 2028

Marigot to St. John’s and St. John’s to Bridgetown, 7 and 8 nights.

Two departures only.

Atlas Adventurer

Asia and Africa

November 2028 onward

Kobe, Hong Kong, Bali and Singapore, then Mahé, Mombasa and Cape Town.

A new ship; dates can move.

No yacht matches that pair. Widen one filter.

Deployments come from Atlas’s ship, Antarctica and Arctic pages for 2026 to 2029. For the places themselves, read our Antarctica landing sites, Arctic, Greenland and polar bear guides.

06
The charter, explained

World Voyager’s Quark winters

One yacht, two operators, and a different booking depending on the month.

November to March, from 2026

Quark’s ship

Three consecutive Antarctic seasons on charter. Quark lists it at 168 guests in its configuration, with 18 Zodiacs and the Science & Discovery program on every departure. Quark’s fares, inclusions and terms apply.

vs
April to October, from 2027

Atlas’s yacht

Back under the Atlas banner for Svalbard, Iceland, the British Isles and Iberia, with Atlas’s bar, onboard gratuities and suite collections. Atlas lists 26 itineraries for it.

Quark confirmed the charter in February 2025, Cruise Industry News reported. The deal extends Mystic’s relationship with Quark: World Voyager takes over the Antarctic role World Explorer used to fill.

Atlas lost a third of its Antarctic capacity for independent bookings as a result — two yachts, not three.

The same hull, two very different fares. Quark’s inclusions aren’t Atlas’s, so compare the two products, not the ship.

Read our Quark fleet guide for World Voyager’s Quark cabins before you choose a winter.

07
Four fleet details that catch people

Booking traps, yacht by yacht

Tap a card for the detail. Each one comes from Atlas’s pages or the trade press in the sources.

None of these rules a yacht out. Each one changes what you’re actually buying — so settle it before the deposit, not after.

08
Our picks

Which yacht, for which trip

Our judgement, built on Atlas’s listings. Narrow it to a yacht, then compare two dates.

Cheapest way to Antarctica

World Navigator, late season

Its March 8, 2027 Ushuaia round trip, from $12,150, is the lowest Antarctic fare we found on Atlas.

Skip the Drake

World Traveller

It runs the 7-night King George Island fly-cruises in December, with the Punta Arenas charter included.

Svalbard

World Voyager

Most of Atlas’s Svalbard and Iceland departures, June to September.

Greenland and Churchill

World Navigator

The Nuuk and Churchill voyages in July and August, with the Labrador coast on the way to St. John’s.

Look elsewhere if

You want helicopters or the deep ice

No Atlas yacht lists either. Compare Quark’s Ultramarine and Ponant’s Charcot.

Look elsewhere if

You want the Galápagos or the Kimberley

Atlas sails neither. Start with our Galápagos and Kimberley guides, then Lindblad’s fleet.

09
Fleet questions

Straight answers on the yachts

How many ships does Atlas Ocean Voyages have?

Three in service and one on order. Atlas's yachts page lists World Navigator, World Traveller and World Voyager, each with 100 suites, plus Atlas Adventurer, a 400-guest sailing yacht due in late 2028. From November 2026 World Voyager spends its winters on charter to Quark Expeditions, so Atlas sells Antarctica on two yachts.

Is World Voyager still an Atlas ship?

Yes, for half the year. Seatrade Cruise News reported that World Voyager goes on charter to Quark Expeditions for three consecutive Antarctic seasons from November 2026 and stays an Atlas ship, sailing for Atlas in northern Europe and the Arctic. Atlas's own listings for it start in April 2027 and run through the summer.

What happened to World Explorer and World Seeker?

Both went to Windstar Cruises. World Explorer, the first ship Mystic built in 2019, sailed for Nicko Cruises, Quark and Rivages du Monde, and isn't an Atlas ship; it's being converted in Portugal as Windstar's Star Explorer, with a first voyage due December 28, 2026. World Seeker, first meant for Atlas, entered Windstar service as Star Seeker in 2025.

What is Atlas Adventurer?

A 400-guest sailing yacht with solid sails on three carbon masts, announced in January 2026 for a late-2028 debut. Atlas lists 200 suites, from 254 sq ft to a 1,365 sq ft two-bedroom Owner's Suite. Its first voyages sail Asia and Africa from November 2028, including a 128-night Kobe to Cape Town voyage from $90,999.

What ice class are the Atlas yachts?

Atlas lists Polar Category C and Ice Class 1B for its yachts. That's a Polar Code category, not a numbered PC polar class, and it suits the Antarctic Peninsula and summer Arctic routes Atlas sails. Quark's page for World Voyager gives the same 1B rating. Atlas Adventurer is also reported at Ice Class 1B, Polar Category C.

Are the three Atlas yachts identical?

Nearly. They come from the same Mystic series built at West Sea in Portugal, and Seatrade calls them three identical 198-passenger ships. Atlas lists the same eight suite categories on each, from 183 to 465 sq ft. The differences Atlas’s pages show are mostly restaurant names and deployments.

Plan with Seabound Journeys

Navigator or Traveller? We’ll check both on your dates.

Send us the region, the month and how many are traveling. We’ll confirm which yacht runs your departure, which suites are still open, and whether a guarantee fare makes sense.

  • Which yacht sails your date, and who sells it
  • Confirmed suites left in each collection
  • The live offer on that departure

No fee, no obligation. You pay the cruise line’s own fare. A real advisor replies, usually within one business day.

Ask about the Atlas yachts

Answers come straight from this guide.

How many ships does Atlas Ocean Voyages have?Is World Voyager still an Atlas ship?What happened to World Explorer and World Seeker?What is Atlas Adventurer?

Answers come from our guides and are general information. Confirm details with us before you book.

10
Sources and verification

Where every spec came from

Suite counts, sizes, ice ratings and deployments are Atlas’s own; guest counts for the sisters and Atlas Adventurer’s dimensions are trade press, and sources differ (Atlas says fewer than 200 guests; Seatrade 198; Cruise Industry News 200). The picks and the trap cards are our judgement. Plans for a ship still being built can change.

Joey Boleslawski · Founder, Seabound Journeys · CLIA-affiliated travel advisor · 20+ years in hospitality

Joey Boleslawski founded Seabound Journeys after more than 20 years in hospitality. This fleet guide was compiled on November 1, 2026 from Atlas’s ship and voyage pages and press releases, with Seatrade Cruise News, Cruise Industry News and Baird Maritime for fleet changes. It describes the yachts as Atlas publishes them, not from a firsthand sailing.

One advisor, the whole expedition

The voyage, the gateway night, and the cover that matters out there.

Expedition trips have more moving parts than a Caribbean week: a charter flight, a night in a gateway city, gear lists and an evacuation clause the line sets for you. We book them together and check that the dates and the fine print agree.

How we work. Seabound Journeys is an independent travel advisory. We aren’t affiliated with or endorsed by any cruise line on this page. When we book a voyage, the cruise line pays us a commission, at no extra cost to you; some links may be affiliate links, and they’re always labeled. None of that changes what we write. Fares, ships, itineraries and inclusions change often, so every figure here comes from the line’s own published materials on the date shown, and the line’s booking terms govern.

Last reviewed November 1, 2026 · Seabound Journeys · Founder/advisor Joey Boleslawski · Florida Seller of Travel Ref. No. ST15578 · CLIA-affiliated