The Coopérative de Transport Maritime et Aérien (CTMA) is a Canadian transportation company, formed in 1944 to provide maritime and air links to the Magdalen Islands, Quebec.

[1][2] Labelling itself Groupe CTMA, the company operates the year-round ferry service from Cap-aux-Meules, Quebec in the Magdalen Islands to Souris, Prince Edward Island using the vessel MV Madeleine II.

It also operates a year-round cargo service from Montreal and Matane, Quebec to Cap-aux-Meules using the vessel, C.T.M.A.

Voyageur 2 as well as a trucking company for transporting cargo to and from the Magdalen Islands, as well as providing air services.

It formerly operated a seasonal passenger service from Montreal to Cap-aux-Meules using the vessel MS C.T.M.A.