The archdiocese comprises the entirety of the French overseas department of Martinique.

A metropolitan archdiocese, its ecclesiastical province includes the suffragan dioceses of Cayenne and Basse-Terre, and all are members of the Antilles Episcopal Conference.

Archbishop Gilbert Marie Michel Méranville's retirement for age reasons was accepted by Pope Francis on Saturday, 7 March 2015;[1] he is succeeded by Msg.

David Macaire, O.P., a Dominican priest who until then had been serving as prior of the convent La Sainte-Baume, in Toulon, France and as of now, the incumbent prelate.

[citation needed] The diocese received its present status on 27 September 1850, when the Apostolic Prefecture of Îles de la Terre Ferme (which had lost French Guiana in 1731) was promoted from the missionary status of Apostolic Prefecture to Diocese of Martinique (Latin: Dioecesis Martinicensis; French: Diocèse de la Martinique), but also lost territory to establish the Diocese of Guadeloupe et Basse-Terre.