Sanctuary of Isis and Mater Magna : info and guided tour

Introduction to the Sanctuary of Isis and Mater Magna

The Sanctuary of Isis and Mater Magna in Mainz is an archaeological site located inside the Römerpassage, in the city center. It displays the remains of a Roman place of worship dedicated to Isis and Mater Magna, two eastern deities especially revered in the Roman Empire. Today, the site can be explored in an underground museum space.

The sanctuary is best known for its preserved foundations and masonry, which help visitors understand the layout of a small Roman temple. Traces of cult installations and ritual-related structures can be seen, highlighted by a modern and understated presentation. The contrast between the ancient remains and the commercial architecture of the passage is striking.

This site is one of the most eloquent pieces of evidence of the Roman presence in Mogontiacum, ancient Mainz. It also illustrates the spread of Isiac and mother goddess cults in the northern provinces of the Empire. The site is of interest both for its historical value and for its rarity in a present-day city center.

The visit allows you to observe the preserved walls, the outlines of the sanctuary and the explanatory displays that place the site in its ancient context. For archaeology enthusiasts, it is a valuable stop, discreet yet remarkable, in the heart of Mainz, at Römerpassage 1.

Discover Mainz with a private guide

A private guide can help you read the sanctuary’s remains more easily and understand the place of this cult in Roman Mainz. Their insight provides useful background on the visible structures, the archaeological context and the site’s religious significance, without making the visit heavy.