Château Maine Gazin is an independent, family-owned organic wine estate in Plassac, overlooking the Gironde estuary in the Blaye Côtes de Bordeaux appellation. Australians Geoff and Marion Cook bought the neglected 7.5-hectare property in 2015, replanted its 6.2 hectares of Merlot, Cabernet Franc and Petit Verdot vines from 2016, and harvested their first vintage by hand in 2018.
The dream was France. The reality was much harder — and far more rewarding.
A neglected vineyard above the Gironde
Most people dream about buying a winery in France. Geoff and Marion Cook decided to rebuild one.
After decades of business, farming and wine-industry experience in Australia, they found Château Maine Gazin in 2015: a neglected estate on a limestone-clay slope overlooking the Gironde, directly across the water from Margaux.
The view was extraordinary. The work ahead was daunting.
Restoring the château
When the Cooks arrived, the château roof leaked and there was no power. The vineyard needed replanting, the buildings needed restoring, and French wine regulations needed patience.
None of that changed the decision. If anything, it strengthened it.
Learning Bordeaux
Bordeaux is one of the most respected and tightly regulated wine regions in the world, and becoming part of it meant more than owning land. It meant learning — from neighbours, from local winemakers, and from generations of knowledge already rooted in the region.
The support of neighbouring growers and winemaking families turned uncertainty into understanding. The vineyard became a classroom. The region became a community.
Why Cabernet Franc and Petit Verdot?
Replanting from 2016 gave Geoff and Marion the chance to decide what the vineyard should become. Merlot remains central, as it is across Bordeaux's Right Bank. But Cabernet Franc and Petit Verdot — usually supporting players in Bordeaux blends — captured their imagination with their depth, structure and personality.
Today Cabernet Franc makes up about 20% of the vineyard, and both varieties are bottled as single-variety wines as well as in the estate's Prestige blend.
Not because they are different. Because they are exceptional.
Is Château Maine Gazin organic?
Yes. The estate began converting to organic farming in 2019 and has been certified organic by Ecocert since 2022, so no synthetic herbicides, pesticides or fertilisers are used in the vineyard.
Organic farming was not the easiest path. It rarely is. But it is how Geoff and Marion believe the land should be cared for — and that commitment remains unchanged.
Château Maine Gazin today
Château Maine Gazin remains independent and family-owned. It makes a Prestige red, a single-variety Cabernet Franc, a Petit Verdot (Bordeaux Supérieur), a Rouge and a Bordeaux Rosé — explore the wines — and the restored château welcomes guests.
Every decision begins with the same question: What is the best expression of this vineyard?
The answer continues to evolve. That's what makes the journey worthwhile.