National Geographic Endurance Vs National Geographic Resolution: Which Sister Ship?
Lindblad Expeditions operates the National Geographic Endurance and National Geographic Resolution as sister ships, and on paper they look almost interchangeable. Here is what the operator's own pages actually say differs, and what does not.
Quick answer: Both ships carry 138 guests, were built in 2021, hold PC5 Category A ice class and sail Antarctica from Ushuaia from $11,900 per person on the 12-day Voyage to Antarctica. The real differences are schedule and route: the Resolution offers more voyage lengths, including 18- and 25-day departures the Endurance does not list.

Lindblad Expeditions sails two purpose-built polar sister ships in Antarctica, the National Geographic Endurance and the National Geographic Resolution, and the cruise between them is closer than almost any other pairing on this site. The operator's ship pages list the same guest count, the same ice class and the same patented X-Bow hull on both vessels, which is why the question is rarely "which ship is better" and almost always "which departure works for me". The differences that do exist sit in the schedule, the voyage lengths on offer and a handful of deck-level details, and this guide walks through each of them using only what the operator publishes.
Both ships appear in our wider comparison of the best Antarctica cruise options, and Lindblad's program overall is covered in our guide to National Geographic Antarctica cruises.
Quick Facts Side By Side
On every specification the operator publishes for both ships, the National Geographic Endurance and the National Geographic Resolution match: 138 guests, 76 cabins, a 2021 build, PC5 Category A ice class and the patented X-Bow hull. The genuine differences are itinerary supply, with the Resolution listing 18- and 25-day voyages the Endurance does not, and departure dates, which shift with each sailing. Everything else a shopper compares, from Ushuaia embarkation to the $11,900 from-fare, is shared.
| Specification | National Geographic EnduranceLindblad Expeditions (with National Geographic) | National Geographic ResolutionLindblad Expeditions (with National Geographic) |
|---|---|---|
| Operator | Lindblad Expeditions (with National Geographic) | Lindblad Expeditions (with National Geographic) |
| Class | Standard Expedition | Standard Expedition |
| Passengers | 138 | 138 |
| Built | 2021 | 2021 |
| Ice class | PC5 | PC5 |
| From, per person | from $11,900 | from $11,900 |
| Departs from | Ushuaia | Ushuaia |
| Voyage length | 12 to 22 days | 12 to 25 days |
| Next step | Get a free quote for National Geographic Endurance | Get a free quote for National Geographic Resolution |
The two ships were delivered in the same year to the same design brief, and it shows in every published figure. The operator's ship page for each vessel lists 138 guests and 76 cabins, with a length of 408 feet on both pages; the roster records no length in metres for either ship, so we print none. Ice class is stated as PC5, Category A, described on the Endurance page as the highest ice class, and both pages credit the ships with the patented X-Bow, the inverted bow design that softens the ship's motion into head seas.
What a reader shopping a Lindblad Antarctica cruise should focus on instead of hardware is the calendar. The Endurance's listed voyage days for the season are 12, 16, 21 and 22, while the Resolution adds 18- and 25-day options to that set. If your travel window only fits one of those lengths, the ship choice makes itself.
Who Each Ship Is Built For
The Endurance suits travellers who want the headline Lindblad Antarctica voyage on the ship that carries the National Geographic name most directly, while the Resolution suits travellers whose dates or route ambitions, especially longer combined itineraries, point at its extra voyage lengths. Neither ship serves a different comfort tier: both are standard-class expedition vessels with the same 138-guest capacity and the same ice class.
The National Geographic Endurance is the ship most Lindblad itineraries in the region are marketed around, and its page carries the detail that has become its signature: the Observation Deck geodesic igloos, available at an extra charge, where guests can sleep with panoramic polar views. It sails the classic 12-day Voyage to Antarctica from Ushuaia as well as the 21- and 22-day Antarctica, South Georgia and Falklands combinations, so it fits both first-time Peninsula visitors and once-in-a-lifetime list builders. For a sense of where it sits among the fleet, see our National Geographic Antarctica cruise guide.
The National Geographic Resolution is the Endurance's sister, delivered the same year to the same design, and the operator's page for it lists the same guest count, cabin count and ice class. Its role in the fleet is schedule coverage: with 12, 16, 18, 21, 22 and 25-day voyage lengths on file, it is the ship that opens longer or mid-length options the Endurance does not list. Travellers matching a specific school-holiday window or a specific month often find the Resolution is simply the ship with a berth that fits.
A third Lindblad vessel, the National Geographic Explorer, also sails the region with 148 guests and an ice-reinforced hull, and it appears in some shorter Antarctica Direct itineraries. It is a different, older design rather than a third sister, so it does not change this comparison, but it is worth knowing the fleet is wider than two ships.
Cabins And Suites
Neither ship's operator page publishes a full cabin-category list, so an honest cabin comparison cannot be made category by category; what is published is that each ship has 76 cabins for 138 guests, which works out at generous space per traveller by expedition-ship standards. Both ships share the same cabin count and the same design generation, so no sourced difference between their accommodation exists to report.
The operator's ship pages describe the accommodation only in outline. With 76 cabins and 138 guests, the implied average occupancy sits just under two per cabin, and the ships were built as expedition vessels from the keel up rather than converted, which typically means cabins designed around polar gear storage and sea-state comfort. Where a specific category matters to you, such as a balcony or a solo arrangement, the operator does not publish the category list on the ship pages, and a specialist who works with Lindblad's inventory can confirm what each departure actually has open.

| Cabin fact | National Geographic Endurance | National Geographic Resolution |
|---|---|---|
| Total cabins | 76 | 76 |
| Guests | 138 | 138 |
| Category list published | No | No |
| Balcony information published | No | No |
| Build year | 2021 | 2021 |
Because the published facts run out quickly here, the practical move is to compare open cabins on specific departures rather than between the ships. If a balcony or a specific cabin grade is the deciding factor, get a free consultation on cabin availability before committing to a date.
Food, Lounges, And Life Onboard
Both ships carry the same onboard layout as published: Restaurant 270° with wrap-around views plus two other dining areas, an observation lounge, a library, a main lounge with a full-service bar and a 24-hour beverage station, and an expedition base. The operator lists these identically for each ship, so onboard life is not a differentiator between the Endurance and the Resolution.
The dining setup is the most distinctive published amenity. Restaurant 270° wraps around the top of the ship, giving every table a view, and the two additional dining areas let the ship spread service across the day, which matters on a vessel where the daily schedule can shift around landings and weather. The main lounge doubles as the presentation space, with what the operator describes as state-of-the-art technology for films and expedition talks, and the 24-hour beverage station is the standing answer to cold hours on deck. The rest of the planning pages sit on Cruises In Antarctica.
The library and observation lounge are the quiet spaces, and the expedition base is where briefings and gear staging happen. None of this differs between the ships: the operator's pages use the same descriptions for both, which is what you expect from sister ships delivered in the same year.

One Endurance-only extra deserves its own mention: the geodesic igloos on the Observation Deck, bookable at an extra charge, let guests sleep above the deck with polar views through the dome. The Resolution's page does not list an equivalent, so if that experience is on your list, the Endurance is the ship that publishes it.
Itineraries And Routes
Both ships sail from Ushuaia and share the 12-day Voyage to Antarctica and the 21- and 22-day Antarctica, South Georgia and Falklands routes; the Resolution alone lists 18- and 25-day voyages, and the Endurance lists a 16-day option the Resolution also carries. The from-fare published for both ships' 12-day voyage is $11,900 per person.
The classic route is the 12-day Voyage to Antarctica, sailing from Ushuaia across the Drake Passage, which our Drake Passage crossing guide covers in detail, and spending the middle days on landings along the Antarctic Peninsula. The longer combinations add the Falkland Islands and South Georgia, the latter home to enormous king penguin colonies, and roughly double the time at sea.
| Voyage length | Ships listing it | Typical ports | From-price (per person) |
|---|---|---|---|
| 12 days, Voyage to Antarctica | Endurance and Resolution | Ushuaia | $11,900 |
| 16 days | Endurance and Resolution | Ushuaia | Not published per voyage |
| 18 days | Resolution only | Ushuaia | Not published per voyage |
| 21-22 days, Antarctica, South Georgia and the Falklands | Endurance and Resolution | Ushuaia | Not published per voyage |
| 25 days | Resolution only | Ushuaia | Not published per voyage |
The from-price the operator publishes is tied to the 12-day Voyage to Antarctica card on each ship's page, and it is the same figure for both ships. Longer voyages carry higher fares that the ship pages do not itemise, so matching a route to a budget means looking at specific departures. For how these fares sit in the wider market, our Antarctica cruise cost guide breaks down the full price picture.

Expedition Team, Landings, And Activities
Both ships' pages describe a full suite of expedition tools without itemising counts, so no Zodiac number, kayak count or helicopter claim can be made for either vessel; the landing rules that shape every Antarctic day, however, are firm: vessels with more than 500 passengers cannot make landings, and no more than 100 passengers may be ashore from a vessel at any one time, with a 1:20 guide-to-visitor ratio.
At 138 guests, both Lindblad ships sit comfortably inside the landing rules. The 100-ashore cap means a ship of this size can land its entire complement at once in most conditions, which is one of the practical advantages of a sub-150-guest vessel over the larger cruise ships that can only view the coast from the water. IAATO's visitor guidelines, published by the Antarctic Treaty system, also require that only one ship visits a site at a time, which is why expedition teams coordinate schedules with other operators.
The operator's pages for both ships list a "full suite of expedition tools" without naming them, and the pages for the fleet's third ship, the National Geographic Explorer, do name Zodiac landing craft, kayaks and a remotely operated vehicle. For the Endurance and Resolution specifically, no activity list is published, so we claim none. What is certain is the structure of the program: briefings in the expedition base, landings and Zodiac cruises when weather allows, and lectures from the expedition team in the main lounge.
Landing etiquette follows the IAATO rules for every operator: keep at least five metres from wildlife, wash boots and clean all gear before bringing it ashore, and clean again between sites. The full picture of what is and is not allowed is in our guide to what is prohibited in Antarctica.
Prices And What The Fare Includes
The published from-fare is $11,900 per person for the 12-day Voyage to Antarctica on both ships, and the ship pages do not itemise inclusions such as drinks, gratuities or flights; a trade report on Lindblad's Antarctica program reports that the line bundles a pre-cruise Buenos Aires hotel, the charter flight to Ushuaia, alcoholic beverages, prepaid gratuities and an expedition jacket, though the operator's own ship pages do not confirm each item.
That bundling report, if it holds for your departure, is significant for comparison shopping, because a fare that includes the Buenos Aires hotel and the charter flight is not directly comparable to a lower headline fare that adds them separately. Our breakdown of why expedition cruises are expensive explains how these inclusions stack up across the market.
| Price fact | National Geographic Endurance | National Geographic Resolution |
|---|---|---|
| Published from-fare | $11,900 pp, Voyage to Antarctica (12 days) | $11,900 pp, Voyage to Antarctica (12 days) |
| Longer voyage fares published | No | No |
| Inclusions itemised on ship page | No | No |
| Schedule status for 2026-27 | Confirmed on operator page | Confirmed on operator page |
Two cautions on reading these numbers. First, the from-fare is a starting point for the lowest-category cabin on the cheapest departure, and the fare for a balcony-adjacent category on a peak December sailing will be higher. Second, insurance with medical evacuation cover is required or strongly recommended by operators and is not in the base fare, a point our Antarctica travel insurance guide covers. When you are weighing a fare against a total budget, ask a specialist to price your whole trip, flights and hotel nights included.
The Real Differences
Five differences actually matter: the Resolution offers 18- and 25-day voyages the Endurance does not list, the Endurance publishes the Observation Deck igloos while the Resolution's page does not, departure dates differ, and everything else, capacity, cabins, ice class, dining and from-fare, is identical between the two ships.
Here are the contrasts, stated only as far as the sources allow:
- Voyage lengths. The Resolution lists six voyage lengths to the Endurance's four, including the only 18- and 25-day options in the pair. If your window only fits those, the Resolution is your ship.
- The igloos. The Endurance's page lists the geodesic Observation Deck igloos at an extra charge; the Resolution's page does not list an equivalent. This is the one onboard amenity where the published facts diverge.
- Departure dates. Two ships means two calendars, and since both sail the same 12-day core voyage, the practical difference for most travellers is simply which ship has a berth in their month.
- Name recognition. The Endurance carries the name most associated with Lindblad's polar program in marketing, which matters to some travellers and to nobody's experience on board.
- Nothing else. Guest count, cabin count, build year, ice class, hull design, dining venues, lounges, ports and from-fare are all identical in the published record. These are sister ships in the fullest sense.
The honest note: on any given day in the Peninsula, a guest on either ship gets the same landings, the same lecture program and the same food. Choosing between them is a scheduling exercise, not a quality judgment, and anyone who tells you otherwise is selling one ship harder than the facts support.
Which One To Choose By Travel Style
Choose the Resolution if your dates or your route ambitions need its longer 18- or 25-day voyages or its broader calendar coverage, and choose the Endurance if you want the classic 12-day or 21-22 day voyage on the ship that also offers the igloo experience; for every traveller whose plan fits both calendars, the ships are interchangeable and the decision should come down to departure date and cabin availability.
| Traveller type | Best pick | Why |
|---|---|---|
| First-time visitor, 12-day classic voyage | Either ship | Same route, same fare, same program; pick by date |
| Traveller wanting South Georgia and the Falklands | Either ship | Both list 21-22 day combinations |
| Traveller with an 18- or 25-day window | Resolution | Only the Resolution lists these lengths |
| Traveller set on the igloo night | Endurance | Igloos are published for the Endurance only |
| Traveller with fixed, narrow dates | Whichever ship has space | Calendar fit beats every other factor |
| Solo or specific-cabin shopper | Whichever departure has the cabin open | Category lists are not published per ship |
If that table has already pointed you at a ship, the remaining work is matching a departure to your dates and budget, and a free consultation can check both ships' live availability in one conversation.
Common Questions About The Endurance And Resolution
National Geographic Endurance vs National Geographic Resolution: which sister ship is better?
Neither is better on any published specification. Both carry 138 guests in 76 cabins, were built in 2021, hold PC5 Category A ice class and sail from $11,900 per person on the 12-day Voyage to Antarctica. The Resolution offers more voyage lengths; the Endurance publishes the Observation Deck igloos. Choose by dates and route.
Do both ships sail the same Antarctica itineraries?
They share the 12-day Voyage to Antarctica, a 16-day option and the 21-22 day Antarctica, South Georgia and Falklands routes. The Resolution additionally lists 18- and 25-day voyages that the Endurance does not.
How much does a cruise on either ship cost?
The operator publishes a from-fare of $11,900 per person for the 12-day Voyage to Antarctica on both ships. Longer voyages cost more and are not itemised on the ship pages, so a specific departure needs a current quote.
Do the ships have balconies?
The operator's ship pages do not publish cabin categories or balcony information for either ship, so no claim can be made either way. A specialist with access to live inventory can confirm which cabin grades each departure has open.
Can both ships make landings in Antarctica?
Yes. Antarctic rules prohibit landings from vessels carrying more than 500 passengers and cap shore time at 100 passengers ashore at once, and at 138 guests both ships land well inside those limits.
Which ship has the igloos?
The National Geographic Endurance's page lists geodesic igloos on the Observation Deck, bookable at an extra charge. The Resolution's page does not list an equivalent amenity.





