Polar Latitudes vs Poseidon Expeditions: which is better?

No score and no verdict of ours: what Polar Latitudes and Poseidon Expeditions each publish on their own websites, read 9 November 2026, topic by topic, each line linked to the page it came from.

Polar Latitudes vs Poseidon Expeditions: which is better?

Neither is better for everyone: Polar Latitudes takes 80 to 178 guests per ship and prices The Pure Expedition, 4 February 2027, from US$8,817, while Poseidon Expeditions sails Sea Spirit with 114 passengers and prices Classic Antarctica, 28 November to 9 December 2026, from US$8,846 with 25% off.

What is each line?

Polar Latitudes runs small-ship expedition cruises as Polar Latitudes Expeditions, which it says joins Polar Latitudes and Albatros Expeditions. Source

Poseidon Expeditions was founded in the UK in 1999 and runs polar expedition cruises under its own name on one ship, M/V Sea Spirit. Source

Which ships does each line sail?

Polar Latitudes lists four ships as its fleet, Ocean Albatros, Ocean Victory, MV Discoverer and Ocean Nova, without saying whether each is owned or chartered. Source

Poseidon Expeditions sails one ship, M/V Sea Spirit, an all-suite ship with 54 suites; it has put its North Pole icebreaker cruises on hold since 2022. Source

How many guests are on board?

Polar Latitudes carries from 80 to 178 guests per ship, with a maximum of 80 on Ocean Nova; it gives no maximum for each of the other ships. Source

Poseidon Expeditions carries 114 passengers on Sea Spirit with 72 crew; it also describes the ship as having a maximum capacity of about 100 guests. Source

Where does each line sail?

Polar Latitudes sells named voyages to the Antarctic Peninsula and the Antarctic Circle, the Falklands and South Georgia, Svalbard, Greenland, Norway's Lofoten, the North Atlantic isles and Patagonia's Chilean fjords. Source

Poseidon Expeditions sells named voyages to the Antarctic Peninsula, across the Antarctic Circle, to the Falklands and South Georgia, Svalbard, East and West Greenland and Iceland. Source

Who leads the landings?

Polar Latitudes' expedition team has one member for every seven to eight guests and averages a dozen years' experience, with marine biologists, environmental scientists and ornithologists among them. Source

Poseidon Expeditions gives an expedition staff-to-passenger ratio of 1:9; its team includes naturalists, wildlife biologists, geologists, historians, ornithologists and a doctor. Source

How much time ashore?

Polar Latitudes takes guests off the ship twice daily, weather permitting, for an average of six hours each day; it does not say how many go ashore at once. Source

Poseidon Expeditions says it takes all guests ashore together with no group rotations, normally averaging two activities a day and around 2.5 hours off the ship per passenger, weather permitting; in Antarctica no more than one hundred guests land at a site at once. Source

What can you do off the ship?

Polar Latitudes includes the polar plunge and hiking; camping, Discover Kayaking, Immersive Kayaking, snowshoeing and the Immersive Photography Program cost extra, with a free photography coach on every voyage. Source

Poseidon Expeditions includes Zodiac cruising and hiking; its Sea Kayak Club and Antarctic camping (30 campers per voyage, ages 18 and over) cost extra and are booked in advance. Source

What does a voyage cost?

Polar Latitudes prices Antarctic Peninsula: The Pure Expedition, 10 days/9 nights on Ocean Victory from Ushuaia departing 4 February 2027, from US$8,817 per person. Source

Poseidon Expeditions prices Classic Antarctica, 12 days on Sea Spirit from Ushuaia, 28 Nov to 9 Dec 2026, from US$8,846 per person with 25% off and a free upgrade. Source

What does the fare include?

Polar Latitudes' fares include all landings and Zodiac cruises, all meals, beer, wine and soft drinks with dinner, a waterproof expedition jacket to keep, boots on loan, 1GB wifi and taxes and landing fees; flights, optional activities, gratuities (it suggests USD 20 per person per day) and the mandatory insurance are extra. Source

Poseidon Expeditions leaves flights to and from its ports, travel insurance and gratuities out of the fare, suggesting 31 USD per person per day for gratuities; kayaking and camping cost extra. Source

What do solo travellers pay?

Polar Latitudes pairs solo travellers in a shared cabin with another of the same gender, or charges the per-person cabin rate times 1.7 to stay single; MV Discoverer has three Solo Vista Staterooms with no single supplement. Source

Poseidon Expeditions charges a single supplement for a cabin to yourself, offers Single Suites and matches same-gender solo travellers through its Request-Share programme, waiving the supplement if no cabin-mate is found. Source

How much is the deposit?

Polar Latitudes asks a 20% non-refundable deposit to confirm a booking, with final payment due 120 days before departure. Source

Poseidon Expeditions does not publish this on the pages read.

What happens if you cancel?

Polar Latitudes charges $1,250 USD per person to cancel 181 days or more before departure, loss of the 20% deposit from 180 to 120 days and 100% of the total cost under 120 days. Source

Poseidon Expeditions does not publish this on the pages read.

What insurance do you need?

Polar Latitudes requires travel insurance bought at the time of booking, with at least $150,000 USD cover for medical expenses, evacuation, emergency repatriation and pre-existing conditions. Source

Poseidon Expeditions requires comprehensive travel insurance covering polar cruise travel, with evacuation and repatriation cover of no less than 200,000 USD per person on Arctic and Antarctica cruises. Source

Can children come?

Polar Latitudes takes children from 12 years old as a rule, with ages 8 to 11 considered case by case with prior approval and a parental waiver; under-18s must room with a guardian over 21. Source

Poseidon Expeditions says families with children are welcome in principle, with no minimum age or family programme stated; camping ashore in Antarctica is for ages 18 and over. Source

When is each not the fit?

The limits below are published by each line on their own websites.

• Polar Latitudes: not the fit if you use a wheelchair: it says its vessels are not built to be wheelchair accessible, though Ocean Victory and Ocean Albatros have accessible cabins. Source
• Poseidon Expeditions: not the fit if you require walking assistance: it advises such guests to strongly consider not joining. Source

How do their reviews compare?

Their figures per platform, read 9 November 2026, each from a listing under the line's own name; a whole-company profile is marked. Figures are never added together.

• Polar Latitudes: Google: 4.1 out of 5 from 7 reviews; Trustpilot: 4.7 out of 5 from 189 reviews, newest 8 November 2026. Read 9 November 2026.
• Poseidon Expeditions: Google: 4.8 out of 5 from 36 reviews; Trustpilot: 4.5 out of 5 from 595 reviews, newest 3 November 2026. Read 9 November 2026.

The lines at a glance

One card each, as on every Uncompromised Travel expedition page: what each sells, why to choose each, what to ask for and the limits each publishes.

Richard Jasinski · Uncompromised Travel · written from Valencia · first published 9 November 2026 · updated 9 November 2026