# A Visit to the La Cayenne Claires

What to do en Marennes-Oléron · Marennes-Oléron

Fuente: https://www.geocalia.com/en/france/nouvelle-aquitaine/marennes-oleron/things-to-do/visit-the-claires · Revisado: 2026-11-12

- Desde: 7 € person
- Duración: 1 h 30
- Temporada: Marenn'Ostra July to September; Le Banc d'Aline October to mid-November

A guided visit to the claires and a producer's cabin on the La Cayenne canal, in Marennes, with optional tasting: €7 to €11, by reservation.

What it is
The claires are the clay ponds in the Marennes marsh where oysters spend their last weeks before being sold: the shallow, algae-rich water gives them their flavour and, sometimes, the green colour for which the fines de claire are known. Seeing them from the inside, with a producer explaining the trade, is the best way to understand what you will then eat in the cabins.
On the La Cayenne canal, in Marennes, the former Cité de l'Huître closed in November 2025. In its place, on the same rue des Martyrs, two producers' visits share the year: Marenn'Ostra in summer and Le Banc d'Aline, at the Cabane des Claires, in autumn.
What the visit includes
Both follow a similar scheme: the oyster's journey from birth to plate, a walk beside the claires and the canal and the working cabin from the inside. They end with direct sales and, if you choose it, a tasting.
At Le Banc d'Aline the visit lasts 30 to 45 minutes without tasting, and one to one and a half hours with it. The tasting is a choice between six oysters with bread, butter and a glass of white wine (or a soft drink), or seafood rillettes with toasts and the same glass. It is held in French.
When

Marenn'Ostra: in 2026, from July to September, on Tuesdays, Wednesdays, Thursdays, Fridays and Sundays, 10:30 to 12:30 and 14:30 to 16:30, according to the tourist office listing. The season's closing dates differ between sources (27 or 30 September).
Le Banc d'Aline: from 1 October to 13 November 2026, Tuesday to Friday, 10:30 to 12:00 and 14:30 to 16:00.

The 2027 dates have not yet been published. Check with the Oléron and Marennes tourist office before planning the trip; if you go in spring, neither is announced.
Price and booking
Le Banc d'Aline charges €7 to €11 per person, adults and children, depending on whether you take the tasting. Booking is compulsory: you do it on the visit's listing on the tourist office website (ile-oleron-marennes.com), at its offices or by phone with the cabin, on +33 5 46 47 93 43. For Marenn'Ostra we have not been able to verify the 2026 price: buy the ticket through the tourist office before going.
Getting there
The meeting point is rue des Martyrs, on the La Cayenne canal, in Marennes-Hiers-Brouage, a few minutes from the centre of Marennes. Parking is free. By bike you get there from Marennes along the basin's tracks, and the Vélodyssée passes through Marennes.
Where to eat afterwards
On the same street, at the canal's edge, La Cabane aux Marées serves oysters from local producers on its terrace, from April to November and Wednesday to Sunday. If you are sleeping in Marennes, the ibis Styles Marennes Oléron is a few minutes away.
With children
The short visit, without tasting, works with children once they can listen for half an hour, although the explanation is in French. For a plan designed more for them, on the island there is Fort-Royer, with treasure hunts and workshops. It is windy in the marsh and there is little shade: a jacket in autumn, a cap in summer.

## Cómo llegar y contacto

- Coordenadas: 45.829, -1.12

## Cerca de aquí

- [La Cabane aux Marées](https://www.geocalia.com/en/france/nouvelle-aquitaine/marennes-oleron/where-to-eat/cabane-aux-marees), a 45 m
- [ibis Styles Marennes Oléron](https://www.geocalia.com/en/france/nouvelle-aquitaine/marennes-oleron/where-to-stay/ibis-styles-marennes), a 2.1 km
- [Le Terminus](https://www.geocalia.com/en/france/nouvelle-aquitaine/marennes-oleron/where-to-stay/le-terminus), a 4.1 km
- [Fort Louvois](https://www.geocalia.com/en/france/nouvelle-aquitaine/marennes-oleron/things-to-do/fort-louvois), a 6.7 km
- [Le Château-d'Oléron Market](https://www.geocalia.com/en/france/nouvelle-aquitaine/marennes-oleron/where-to-eat/chateau-oleron-market), a 8.7 km
- [The Colourful Cabins of Le Château-d'Oléron](https://www.geocalia.com/en/france/nouvelle-aquitaine/marennes-oleron/things-to-do/chateau-d-oleron-colourful-cabins), a 8.7 km
- [Camping Les Remparts](https://www.geocalia.com/en/france/nouvelle-aquitaine/marennes-oleron/where-to-stay/camping-les-remparts), a 9.2 km
- [Moulin des Sables Area](https://www.geocalia.com/en/france/nouvelle-aquitaine/marennes-oleron/where-to-stay/moulin-des-sables-area), a 9.8 km

## Consejos

### Check which visit is on for your dates
Marenn'Ostra in summer, Le Banc d'Aline in autumn. Outside those weeks there is neither.

### Book in advance
At Le Banc d'Aline booking is compulsory: do it a few days ahead.

### Ask for the tasting
For a few euros more you try the oysters where they are finished, with a glass of white.

## Preguntas frecuentes

### What replaces the Cité de l'Huître?
The Cité de l'Huître in Marennes closed in November 2025. On the same La Cayenne canal there are now two producers' visits: Marenn'Ostra in summer and Le Banc d'Aline in autumn.

### How much does the visit to the claires cost?
At Le Banc d'Aline, €7 to €11 per person depending on whether you take the tasting.

### Do you have to book?
Yes. Book on the website or at the Oléron and Marennes tourist offices, or by phone with the cabin.

Destino: [Marennes-Oléron](https://www.geocalia.com/en/france/nouvelle-aquitaine/marennes-oleron.md)