Martillo Island: Boat Trip to the Penguin Colony & Beagle Channel

Martillo Island is the payoff on this five-hour catamaran trip from Ushuaia. You cruise the Beagle Channel past sea lions, cormorants, mountains, estancias, and Les Eclaireurs Lighthouse, then stop near the summer penguin colony. I like the range of wildlife and the chance to see this remote corner of Tierra del Fuego without arranging several separate outings.

I also like the boat’s comfortable setup, onboard café, and generally helpful crew. The main catch is important: you do not walk among the penguins. You watch them from the catamaran, and the ride can feel long, crowded, and rough when the wind rises.

Key points

• Magellanic penguins in summer: Watch the colony from the boat near Martillo Island.
• A full Beagle Channel circuit: The route includes sea lions, cormorants, mountain views, estancias, and the lighthouse.
• Large shared catamaran: The boat can carry up to 120 people, so prime viewing spots fill quickly.
• Bilingual commentary: Explanations are usually given in Spanish and English, though interpretation may not be perfectly consistent.
• Five hours on the water: Allow extra energy for a long ride, wind, cold, and possible seasickness.
• Not suitable for cruise passengers: The timing is not designed around cruise-ship arrivals and departures.

What this Ushuaia penguin cruise really offers

The name Martillo Island can give you the wrong idea. This is not a shore excursion where you walk along a marked trail among penguins. You remain on the catamaran and watch the colony from the water, usually at close range. Bring a camera with a good zoom lens, since even a near approach does not guarantee a clear phone picture.

That setup has two sides. It limits your contact with the birds and keeps the visit less intrusive than walking through a colony. It also means your view depends on where you can stand, how many people are on deck, and which way the penguins face.

The boat carries as many as 120 passengers. That is a substantial group for wildlife viewing, especially when everyone wants the same side of the vessel at the same time. Get outside early at each major stop, but expect some jostling and do not assume you will hold the best position for the whole visit.

At $177 per person, this is not a cheap boat ride. The price makes more sense if you want a single outing that combines the Beagle Channel’s major sights with the penguin colony. If penguins are your only goal, the long approach and return may feel expensive for about an hour near Martillo Island.

Starting at Ushuaia’s tourist port

The meeting point is the Canoeros box office at Av. Prefectura Naval Argentina 470, in Ushuaia’s tourist port. Arrive 30 minutes before departure. The first part of the outing involves receiving boarding instructions and getting onto the catamaran, and port organization can take time.

There is no hotel pickup or drop-off. You make your own way to the port, and the tour returns to the same meeting point. The activity includes the boarding tax, a local professional guide, and an air-conditioned vehicle, though the main transport for the experience is the boat itself.

The vessel has an onboard bar or café. Food choices are limited, and outside food cannot be brought aboard for food-safety reasons. You can buy simple items such as a sandwich and drinks, but plan around the restriction rather than expecting to bring a packed lunch.

First views across the Beagle Channel

Once the catamaran leaves Ushuaia, the city quickly becomes part of a wide view of water and mountains. From the channel, you see the city’s buildings backed by the Olivia and Cinco Hermanos Mountains, along with the Fique and Tunnel estancias and the Encajonado River.

The trip also passes the Maritime Museum and the End of the World area near the port. These early views help you understand Ushuaia’s setting. The city is not simply a base for excursions. It sits in a narrow meeting point of mountain, sea, and forest, with the Beagle Channel opening toward the southern edge of the continent.

This first section lasts about an hour. It is scenic, but it is also a reminder that the excursion is a cruise, not a fast transfer. If you prefer constant action, the pace may feel slow. I find the steady route useful for photography, though the scenery can become repetitive on the return.

Wind matters here. Even on a clear day, conditions on the channel can be colder and rougher than they appear from shore. Wear several warm layers, a hat, and a waterproof outer layer. You will want to step outside for views, but the open decks can be uncomfortable if you dress only for Ushuaia’s town center.

Isla de los Pájaros and Isla de los Lobos

The catamaran circles parts of the Bridges archipelago, including Isla de los Pájaros and Isla de los Lobos. These stops add wildlife before the penguin colony and give you a better sense of the channel’s bird and marine life.

Around Isla de los Pájaros, you may see black-browed albatrosses, skuas, steamer ducks, cauquenes, kelp gulls, and gray gulls. The birds often sit close together on rocky ground, so binoculars or a camera with a zoom lens are useful.

At Isla de los Lobos, the attraction is the sea lion colony. You may see both one-haired and two-haired sea lions resting on the rocks. The boat approaches closely enough for good viewing, but the best angle can disappear quickly when passengers crowd the outside rail.

These stops are short in relation to the full outing, yet they keep the voyage from being only a long ride to Martillo Island. The guide provides explanations about the animals and the area. On some departures, engine noise, wind, and the number of people on deck make it difficult to hear every word.

Les Eclaireurs Lighthouse and the SS Monte Cervantes

The catamaran then heads toward the center of the Beagle Channel to Les Eclaireurs Lighthouse. The red-and-white lighthouse is one of Ushuaia’s best-known sights, and it makes a strong photo stop against the mountains and open water.

Nearby rocks hold colonies of imperial and rocky cormorants. They can look like penguins from a distance, especially when standing upright in dense groups, but their shape and coloring are different. The guide’s explanation helps sort out the bird life before you reach the main attraction.

This part of the route also includes the story of the SS Monte Cervantes, a ship that sank in 1930. That historical detail gives the lighthouse stop more substance than a simple photo opportunity. If you are interested in maritime history, listen closely here, since the narration can be harder to catch from the outdoor decks.

The lighthouse is a popular photo point, so move with purpose when the boat reaches it. Some passengers remain at the front or along the straight sides of the catamaran, leaving people farther back with blocked views. You may need to trade positions with others rather than expect an unobstructed picture.

Reaching Martillo Island and its summer penguins

After the lighthouse, the boat continues east toward Martillo Island. The route passes Puerto Almanza on the Argentine side and the Puerto Williams Naval Base on the Chilean side. The mountains around the channel remain the main visual feature, but the anticipation changes as the island comes closer.

The penguin colony is seasonal. The excursion is designed to see Magellanic penguins nesting during the summer period. Wildlife is unpredictable, so the number visible can vary. You might see groups on the shore, birds near the water, or only scattered families during a less active visit.

The catamaran stops to give you time to watch and photograph them. The guide explains penguin biology and behavior, which adds useful context when the birds are too far away for detailed viewing. A good zoom lens helps far more than a standard phone camera.

You should treat the boat-only format as a central feature, not a small footnote. There is no walking among the penguins on this shared excursion. Promotional images or casual wording can create confusion, so confirm the exact format before paying if a shore walk is your priority.

The boat’s distance from the birds can also be a positive. You get a wildlife encounter without moving through nesting areas. For many people, seeing penguins in their natural setting from the water is enough. If your ideal visit involves walking beside them, choose a different Martillo Island product that specifically includes shore access.

The return trip is part of the test

The ride back to Ushuaia completes the five-hour schedule. It is also where the length of the excursion becomes most noticeable. After the wildlife stops, you have already seen the main sights, and the return can feel repetitive if the water is calm and the scenery changes slowly.

On the other hand, the return gives you another chance to photograph Ushuaia and the surrounding mountains from a different angle. There have also been occasions when a whale was spotted and the captain turned the boat to give passengers a better look. That is a welcome bonus, but it is not something you can count on.

Rough water is the main practical concern. Strong wind and tide have caused difficult returns, with many people feeling seasick. Crew members have helped sick passengers, but kindness from the staff does not make a rough crossing comfortable.

If you are prone to seasickness, sit near the center of the boat, keep your eyes on the horizon, and avoid heavy food before departure. The tour operates in all weather conditions, though poor weather can lead to a cancellation, an altered route, or a return before Martillo Island. If the operator cancels for weather, you are offered another date or a full refund.

Guides, language, and the onboard experience

The guide narrates the route and explains the animals, penguin behavior, and local sights. Commentary is intended to be bilingual, and many departures provide useful information in both Spanish and English.

Language service can vary in practice. At times, a long explanation may begin in Spanish and not be interpreted into English immediately. One guide later checked with English-speaking passengers and provided the translation, but you should not assume every comment will be delivered with equal detail in both languages.

The boat itself is clean and maintained for the route rather than designed as a luxury vessel. You have indoor seating, outdoor viewing areas, and a small café. The air-conditioned interior is useful when the wind turns cold, while the open deck is where you will want to be for wildlife and photographs.

With a group of up to 120 people, this is a shared excursion, not a quiet private cruise. The crew is generally friendly and helpful, but port boarding and disembarkation can be slow. Build patience into the day.

Is $177 a fair price?

At $177, value depends on how you use the trip. You are paying for roughly five hours on the water, a guide, boarding fees, the full Beagle Channel route, several wildlife stops, and the Martillo Island visit. Buying separate transport and wildlife outings could take more planning and may not save money.

The price feels less attractive if you mainly want a short penguin viewing. About two and a half hours can pass before reaching Martillo Island, according to the timing reported for the route. That leaves a relatively small part of the day focused on penguins.

The group size also affects value. A smaller boat could offer better access to the rail and a quieter guide experience, while this catamaran gives you a more predictable, shared setup. Compare the exact vessel, shore access, group limit, and language service before booking another option.

Book early if your dates are fixed. This activity is often reserved about 33 days ahead, especially during the summer penguin season. Free cancellation is available up to 24 hours before departure, but changes or cancellations inside that window are not accepted. Keep all operator messages if a weather change or schedule issue affects your plans.

Who should book this boat trip?

I would choose this outing if you want the classic Beagle Channel sights in one half-day, like watching wildlife from a boat, and do not mind spending much of the day on the water. It suits photographers with a zoom lens, families who prefer not to walk through a remote colony, and visitors who want sea lions, seabirds, a lighthouse, mountains, and penguins in one package.

I would hesitate if you need shore access, dislike large groups, or have a strong fear of rough water. It is also a poor match for cruise passengers because the timing is not suitable for fitting safely between ship arrival and departure.

Should you book the Martillo Island cruise?

Book it if the Beagle Channel journey matters as much as the penguins. The sea lions, cormorants, lighthouse, mountain views, and chance wildlife sightings make this more than a single-stop transfer, and the crew generally keeps the outing organized.

Skip it if walking among penguins is essential. You stay on the boat, the group can be crowded, commentary may not always be equally clear in English, and the five-hour ride can be rough or repetitive. For the right expectations, this is a solid way to see Martillo Island responsibly and take in Ushuaia’s remarkable water-and-mountain setting in one long outing.

FAQ

How long is the Martillo Island boat trip?

The experience lasts approximately five hours, including the route through the Beagle Channel, wildlife stops, time near Martillo Island, and the return to Ushuaia.

Where does the tour start?

It starts at the Canoeros box office at Av. Prefectura Naval Argentina 470, in Ushuaia’s tourist port.

How early should I arrive?

Arrive 30 minutes before your selected departure time for boarding instructions and access to the catamaran.

Do I walk among the penguins?

No. This excursion lets you watch the Magellanic penguins from the catamaran. Walking on Martillo Island is not included.

When can I see the Magellanic penguins?

The penguins nest on Martillo Island during the summer season. The number visible can vary because this is a wildlife encounter.

What other animals might I see?

The route includes sea lions, imperial cormorants, rocky cormorants, black-browed albatrosses, skuas, steamer ducks, cauquenes, and several gull species. Whales have also been seen on some trips, but they are not guaranteed.

Is the tour offered in English?

The commentary is intended to be bilingual in Spanish and English. English interpretation may not be consistent for every announcement, so ask the guide if you miss an explanation.

Is food included?

No. Food and drinks are not included, though the catamaran has a small café where you can buy refreshments. Outside food cannot be brought aboard.

Can cruise passengers take this tour?

No. The activity is not suitable for cruise passengers because its timing does not reliably fit cruise-ship schedules.

What happens if bad weather cancels the tour?

If poor weather causes cancellation, you are offered another date or a full refund. The tour operates in all weather conditions, so dress for cold, wind, and changing conditions.