Saint-Antoine-de-l'Isle-aux-Grues (French pronunciation: [sɛ̃t‿ɑ̃twan də lil o ɡʁy]) is a parish municipality in Quebec, in the Montmagny Regional County Municipality in the administrative region of Chaudière-Appalaches.

[4] L'Isle-aux-Grues has a small airstrip, which provides the only access to the island during the winter, with Air Montmagny the main airline.

A ferry operates during the summer months.

[5] Children from Isle-aux-Grues attend school in Montmagny, Quebec, travelling by plane each day.

[5] On May 19, 2010 at about 3:30 p.m. Eastern time, a Cessna 172 airplane carrying four people crashed on Isle-aux-Grues, killing three people.