The Church Saint-Goustan is a monument in the municipality of Le Croisic (Loire-Atlantique, Pays de la Loire). It is an attraction for holidaymakers staying in the region.
The chapel of the late nineteenth century is located on private property. It is not open to the public. It replaces an ancient chapel dedicated to St Goustan and included in a seaside property that houses a large Gothic Revival mansion. This is one of the places of worship of the oldest sector.