Doña Sebastiana, Small island in Chacao Channel, Los Lagos Region, Chile
Doña Sebastiana is an elongated island in the Chacao Channel stretching about 3 kilometers long and 1 kilometer wide. The eastern coastline drops steeply into the water, while the northern side features gentler sandy coves and beaches.
The island supported a population of around 60 people in the early 1900s before experiencing gradual decline over the following decades. Human habitation on this land came to an end in 2012 with the passing of its final resident.
The Mapuche-Iafkenche people from Carelmapu view these waters and the island as part of their ancestral territory with deep cultural roots. The place remains meaningful to them as a connection to their history and identity.
Two landing options are available: a sheltered cove on the southern side or sandy beaches along the northern coastline, depending on weather and sea conditions. Visitors should plan their visit around tidal movements and seasonal weather patterns in the region.
The waters surrounding this place teem with diverse marine animals including South American sea lions, elephant seals, blue whales, and two penguin species. This abundance of wildlife makes the island a notable spot for observing ocean life.
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