Lacoste's castle was the Simiane family's castle until the XVIIth. It is bequeathed in 1716 by Isabelle Simiane to his cousin Gaspard-François de Sade, Lord of Saumane and of Mazan, and also grandfather of divine Marquees, Louis-Alphonse Donatien.
Sade rarely came to Lacoste. In 1765, he arrived there with his mistress, Mademosielle Beauvoisin. Then, he returned there in 1766 to begin and to watch works of restoration and embellishment. Plundered and destroyed in the revolution, the Castle is sold to the Marquees of Rovère, delegate, this last one compromised himself in a royalist plot.
Maestro André, notary in Bonnieux for Mrs Marie de Belmont, widow of Rovère, tried to sell the castle by auction... The deal ends on June 29, in 1816: Maestro André drafted the bill of sale to Mr. Pierre Grégoire, carpenter and farmer. The Castle "in ruin... without doors, windows nor chains... is bought for twelve hundred francs".
It is only in 1952 that André BOUER became owner and began his restoration. The new owner, Pierre CARDIN, takes care of the castle and creates every year a Festival of music and theater in his quarries.