Chateau La Lagune is located on the terrace of alluvial gravel bordering the river. The "Village de La Lagune" was a tenant farm in its place and gradually invested in transforming several modest leaseholds into a major winegrowing estate. He was succeeded by numerous owners and the lovely chateau we know today was built between 1730 and 1734. In 1855, La Lagune joined the select club of grands crus classes as a third growth. The Seze family acquired La Lagune in 1886 and it stayed with them until 1956. They sold it to Georges Brunet, who gave an important new impetus to the estate before in turn selling it to the family who owned Champagne Ayala in 1964. The Frey family arrived in 2000. They have made large-scale investments in the vineyard, cellars, and chateau aiming for excellence at all levels.

Since historial times, the Haut-Médoc was a vast region of salt marshes used for animal grazing rather than viticulture. In the 17th century, Dutch merchants began an ambitious drainage project to convert the marshland into a usable vineyard area. Using advanced technology during that period, the Dutch were able to convert enough marshland to allow large estates to form all along the Gironde. Soon the Bordeaux wine regions of Margaux, Saint-Julien, Pauillac and Saint-Estèphe took shape. By the 19th century, the wine region of the Haut-Médoc was one of the most prosperous in France, with wine that had an international reputation that would be unparalleled until the late 20th century.