* In 1942, Helen MacInnes used Mont St. Michel as the location for a key section in her spy novel "Cross Channel" set in France just after the Bordeaux Armistice of June 1940.
* Francoski skladatelj Claude Debussy je obiskal otok in morda dobil idejo o legendarnem mitskem mestu Ys, pa tudi cerkev Mont Saint-Michel je ideja za njegov klavirski preludij "La Cathédrale Engloutie".