Main parish dedicated to Saint Mary and two neighborhood parishes, archpriesthood of Irun, diocese of San Sebastián.
Hermitages of Santo Crucifixo, Sancti Spiritus, Saint Mary of Guadalupe, Our Lady of Grace, Montserrat, Saint Barbara, Saint Bartholomew, Saint Philip and James, Saint Mary Magdalene, Saint James, and Saint Telmo.
Capuchin convent of Saint Francis.
The archpriesthood of Fuenterrabía, as well as the tithes of Baztán and Bertizarana, belonged, until the first quarter of the 18th century, to the diocese of Bayonne. On June 23, 1714, Philip V of Spain confirmed the deed of property exchange by which Bayonne renounced the aforementioned properties in exchange for those held by Roncesvalles in Lower Navarre and the bordering area. The archpriesthood, which included Oiartzun, Errenteria, Lezo, Pasaia, Irun, and Hondarribia, later passed to the diocese of Pamplona. The patronage of the parish belonged to the city itself, represented by its City Council. It was served by a vicar, who was the parish priest and chief chaplain, and four beneficiaries. The appointment to these positions, according to an ordinance issued by the city and confirmed by the Royal Council on August 26, 1700, was to be made by three councilmen drawn by lot from among six others appointed in the same way. The choice had to fall on worthy, competent, and suitable individuals, native sons of the city.
In the Marina suburb, another parish dedicated to Magdalene was blown up in 1684 by nearby gunpowder production. It was later repaired as a hermitage. Within the city walls, there was also, until 1719, a church dedicated to Saint Michael. Demolished around this time, part of its ruins was used as a gunpowder storage until its total destruction in 1794 by the conventionals, who also dismantled the royal chapel at the Santa María gate.
The Capuchin convent, located on the road to Irun and at a suitable distance to serve both populations, was founded by the city in 1664 by a vow made during the siege of 1638. It usually housed 12 to 14 priests, 3 or 4 lay brothers, and an equal number of donors. After the suppression of the regular clergy, the building was left without purpose and in a ruinous state. There was a cemetery from 1871 at the foot of the Capuchin garden, away from the road.