A foot fishing party ...

This can be practiced by everyone at low tide. Always plan to leave at least one and half hours before the next low tide (see tide times). To combine pleasure with fishing and respect for the environment, please take only what you are going to consume, and stones and rocks moved should be put back in their place.
The cleanliness status of the waters and the official information that authorises (or prohibits) foot fishing are available from the Office of Tourism, do not hesitate to consult them.
The coastal façade of the Presqu’île de Guérande offers many sites for professional and recreational foot fishing. It permits fishing for mussels, oysters, clams, shells, periwinkles, limpets ...
In order to practice this activity safely and to work for the preservation of the natural environment, it is necessary to respect the regulations as well as take a few precautions.
In order not to exhaust resources, it is imperative to follow some fishing know-how rules :
Adhere to the minimum sizes permissible for shellfish, fish and crustaceans and in the permitted quantities.
Always replace rocks that are moved out of place.
Use the appropriate equipment
Do not fish within the proximity of oyster farms

Fishing guide here !