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Heritage classified

Key figures

Origin and history

The Port Maria fort, built in the 17th century on the town of Locmaria, was part of the defensive system of Belle-Île-en-Mer in Morbihan. It was designed to protect the ria of Port Maria, a strategic point of the island. The ensemble initially consisted of two forts at the entrance to the ria, as well as a battery of three guns requested by Vauban in 1689, armed with 12 pound pieces in 1747. These works were partially destroyed in 1761 when Belle-Île was taken by the English, before being restored and reequipped in the early 19th century.

In 1841, the battery was removed in favour of a Coast Guard post, occupied by 30 men and a piece of mountain artillery. A creneled guard, built between 1860 and 1861, replaced the old structures, but was downgraded in 1889, sold to a notable local, and then transformed into a secondary residence. Occupied by the Germans during the Second World War, the site was restored in the 1950s and is now partially classified or listed in the historical monuments, notably for its fireplace adorned with atlantes, brought back from the castle of Rimaison.

The fortifications of Port Maria reflect the strategic evolution of the French coastal defence, from the development of Vauban to the adaptations of the 19th century. The reduction of 1860, still visible, reflects the transition between an offensive logic (artillery battles) and passive surveillance (guard post). The classified chimney, a remarkable architectural element, adds a civilian heritage dimension to this site, above all military, highlighting the successive reuses of the built over the centuries.

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