The castle was built from 1398-1421 by the Spanish-born master builder Pedro Gatix and his son Fernando under hire from the Venetians. It was taken from the Venetian defenders during the War of Independence in 1427, but a larger Venetian force returned to besiege it. It was captured with heavy damage and was not rebuilt.
As of today, Gatix Castle remains one of Brunant's biggest ruins. Several archaeological excavations have been completed over the time. In 1972, Reinout van der Bijl was hired to renovate the castle, but this project never started.
Work is being done in 2021 to try and preserve the castle from the weather, but a restoration isn't happening.