- civitatis.com en/marseille/chateau-if-ticket/Located opposite the port of Marseille, Château d'If was one of the most feared and notorious jails in France.
- encyclopedia.com reference/encyclopedias-almanacs…Château d'If (shätō´dēf´), castle built in 1524 on the small rocky isle of If, in the Mediterranean Sea off Marseilles, SE France.
- 2homes2worlds.com 2018/08/17/chateau-dif/Château d’If – history and legends. Marseille is protected from the sea by four islands of the Frioul archipelago, located near the shore.
- itinari.com location/chateau-d-if-in-marseilleChâteau d'If. Address: Embarcadère Frioul If, 1 Quai de la Fraternité, 13001 Marseille, France. ... Places to visit around Château d'If.
- balladins.com en/les-sejours/nos-activites/…Protestants et républicains, plus tous ceux qui s'opposaient à l'autorité publique ont été emprisonnés au Château d'If de 1580 jusqu'à 1871.
- commons.wikimedia.org wiki/Category:Château_d'If...near Marseille, France; island in France; ostrovní pevnost poblíž Marseille; fortificație lângă Marsilia, Franța; Château d'If; Chateau d'If; イフ城; château.
- historyhit.com locations/chateau-dif/Château d’If is a fortress and former prison located on the Île d’If, the smallest island in the Frioul archipelago, situated offshore from Marseille in France.
- structurae.net en/structures/chateau-d-ifChâteau d'If is a castle that was built from 1524 until 1531. The project is located in Marseille, Marseilles, Bouches-du-Rhône (13), Provence-Alpes-Côte...
- mariquillamodainfantil.com château d'ifChâteau dIf - Marseille - Arrivalguides.com Château d'if By ArrivalGuides.com. Why to visit Chateau dIf, the Fortress Prison Château d'if By Besides the Obvious.
- en-academic.com dic.nsf/enwiki/131744
- The Château d'If and neighboring offshore islands seen from Marseille.
- The Château d'If with Marseille in the background.
- View from a cell in the Château d'If.