On the Edge of Chiloé: Standing Watch at Fuerte San Antonio
An overlooked coastal bastion on Chiloé that pairs shoreline panoramas with penguin-viewing day trips
The wind off the Pacific arrives with a blunt, salty honesty at Fuerte San Antonio. You feel it first at your face — a spray of seawater and a cold clarity — then in the way the grass on the headland bends into neat, surrendered arcs. From the low stone parapets you can see Ancud’s red-roofed cluster, the white steeples of its wooden churches, and beyond them the wide, trembling shoulder of the Gulf of Ancud. Cannons, dark as old teeth, point toward the sea where ferries and fishing boats make their quiet, purposeful lines. The fort is less a fortress now than a deliberate pause: a place where the island’s layered history and weathered coastline press up against one another.
Trail Wisdom
Layer for wind and drizzle
Coastal weather changes quickly; pack a breathable waterproof shell and a warm mid-layer.
Bring binoculars
Penguins and sea lions are best observed with optics from boats or shore—50–200m distance is common.
Wear grippy shoes
Streets and headland steps are uneven and can be slippery when wet—trail runners or hiking shoes recommended.
Visit early or late
Mornings clear faster and afternoons have softer light—both windows reduce crowds and improve photos.
Local Knowledge
Hidden Gems
- •Lacuy Lighthouse and nearby tide pools on the peninsula’s north coast
- •Ancud’s local market stalls for fresh curanto, smoked seafood and handcrafted wool goods
Wildlife
Magellanic and Humboldt penguins, South American sea lion
Conservation Note
Penguin colonies and marine habitats are protected by local regulations—visitors are asked to keep distance, avoid sudden movements and follow guide instructions to minimize disturbance.
Fuerte San Antonio was part of Chiloé’s coastal defense network during the colonial and early republican periods, guarding important channels and local settlements.
Seasonal Guide
spring
Best for: wildflower viewing, milder weather, birdwatching
Challenges: occasional rain, windy days
Spring brings milder temperatures and seabird activity—pack layers and expect variable weather.
summer
Best for: calmer seas, longer daylight, market visits
Challenges: more tourists, occasional fog
Summer is the most pleasant for sea crossings and longer days, though popular sites get busier.
fall
Best for: photography, fewer crowds, cultural festivals
Challenges: cooler temperatures, increased wind
Fall light is dramatic and crowds thin, but temperatures drop and wind picks up along the coast.
winter
Best for: dramatic seascapes, off-season solitude
Challenges: short daylight, frequent rain and rough seas
Winter offers moodier scenery and solitude but expect rough sea conditions and limited services.
Photographer's Notes
What to Bring
Waterproof shellEssential
Blocks coastal drizzle and wind during headland walks and boat transfers.
Sturdy walking shoesEssential
Provides traction on uneven stone steps and rocky shorelines.
Binoculars or spotting scope
Essential for watching penguin colonies and sea lions without disturbing them.
Camera with telephoto lens (200–400mm)
Captures wildlife and distant coastal scenes during boat trips and from the headland.
Common Questions
How do I get to Fuerte San Antonio from Puerto Montt?
Most visitors take a full-day tour or a bus to Ancud; private transfers and ferries connect Puerto Montt to Chiloé, followed by a short drive to the Lacuy peninsula.
Is there an entrance fee for the fort?
There may be a small local fee for maintenance or guided access—check with local tourist information in Ancud or your tour operator.
Can I see penguins from Fuerte San Antonio?
Not typically; penguin colonies are located around Puñuhuil and require a boat excursion included on many full-day Chiloé tours departing from Puerto Montt or Puerto Varas.
Are the tours family-friendly?
Yes—full-day Chiloé tours are suitable for families but involve long days; bring snacks, layers and motion-sickness prevention for boat sections.
What wildlife might I expect to see?
Common sightings include Magellanic and Humboldt penguins (on Puñuhuil excursions), South American sea lions, and a variety of coastal seabirds.
When is the best time to visit to avoid crowds?
Late spring or early fall offers fewer visitors with still-favorable weather for both cultural sites and wildlife outings.
What to Pack
Waterproof jacket, binoculars, layered clothing, sturdy shoes — protect from wind and rain, see wildlife, stay warm and maintain footing.
Did You Know
Puñuhuil is the only place where Magellanic and Humboldt penguins are known to nest side-by-side, a unique cohabitation in the wild.
Quick Travel Tips
Book full-day tours from Puerto Montt in advance; bring cash for local markets; expect bumpy ferry crossings; carry motion-sickness remedies for boat legs.
Local Flavor
Chiloé’s culinary scene centers on seafood and curanto—a communal, earth-cooked feast—paired with wool crafts and folklore that bind community life to sea and weather.
Logistics Snapshot
Nearest town: Ancud (short drive); main departures from Puerto Montt/Puerto Varas; bring layers, cash, binoculars; combine fort visit with Ancud markets and Puñuhuil penguin excursions for a full day.
Sustainability Note
Choose certified local operators for wildlife tours and avoid approaching nesting sites; support community-run markets to ensure economic benefits stay local.

