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The Castle of San Sebastián on its low island across the bay, with its lighthouse and boats moored in front.
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DXR · CC BY-SA 4.0 · Source

Castle of San Sebastián

The Castle of San Sebastián is a fortress on a small island at the western end of La Caleta, joined to the city by a causeway built in 1860. The castle was begun in 1706; inside stands an iron lighthouse from 1908, raised on the base of an older watchtower. Exhibitions are held in the casemates, and the walk out gives views back over the old town.

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