[1] Since 2012, the ruins have been under renovation because of intense erosion, due to the lack of roof, that caused a risk of collapsing.

The castle was built in the early 18th century by Maria Anna of Neuburg, Queen of Spain in exile.

During his stay in Bayonne, he did not reside at the Château-Vieux, preferring the comfortable Castle of Marracq.

[4] In 1808, the abdication of the Bourbons of Spain in favour of Neopleon I was signed in the Castle of Marracq.

[5] Now a classified Historical Monument, the castle is the property of the Bayonne town council.