Malta & Gozo Island Break
- Valletta walking tour
- Blue Lagoon
- Gozo jeep safari
The Knights of St John's conventual church in Valletta, with a lavish Baroque interior and two works by Caravaggio
From the street, St John's Co-Cathedral looks severe: a sober limestone front flanked by two bell towers, closer in spirit to the city's bastions than to a grand church. Step inside, though, and the effect is overwhelming. Every surface of the long nave is carved, gilded or painted, from the vaulted ceiling with scenes from the life of St John the Baptist to the side chapels of the knights' national langues.
Underfoot lies a floor of richly coloured marble tombstones commemorating knights and officers of the Order. In the Oratory hangs Caravaggio's Beheading of St John the Baptist, the largest canvas he painted and the only one he signed, together with his St Jerome Writing. Included audio guides help make sense of the art and history.
The church was built by the Order of St John between about 1573 and 1578 to designs by the Maltese architect Girolamo Cassar, whose military background shows in its austere exterior. It served as the Order's conventual church, and in the 1820s it was given the status of co-cathedral, sharing that role with the cathedral in Mdina.
In the 17th century the Calabrian artist Mattia Preti transformed the interior, carving the stone walls and painting the vault and side altars with episodes from the life of the Baptist. The knights' langues each decorated their own chapel, and some 400 knights and officers were buried beneath the inlaid marble floor, while several Grand Masters, including Jean de Valette, lie in the crypt. Caravaggio painted the Beheading of St John the Baptist in 1608, during his time in Malta.
St John's remains an active Catholic church and is used for important services of the Archdiocese of Malta, alongside its role as a museum and heritage site. Many Maltese consider it a symbol of the nation's history under the knights. Visitors are expected to dress modestly and behave quietly, as they would at any place of worship.
Allow at least an hour to take in the nave and chapels with the included audio guide, then spend time in the Oratory with Caravaggio's paintings. Look down as well as up: the coloured marble tombstones form one of the most striking parts of the church. A separate belfry tour is offered for an extra fee.
It is still a consecrated church, so visits pause or are limited during services. Combine the visit with a walk through Valletta's grid of streets, a stop at the nearby Grandmaster's Palace and the views from the Upper Barrakka Gardens.
The Co-Cathedral can be visited year round. Weekday mornings shortly after opening tend to be calmer, while late mornings can be busy when cruise ships are in port. In summer, the cool interior is a welcome break from the midday heat.
Checked against the sources on 27 October 2026. Opening times and fees can change — confirm before you go.
General guidance from our specialists, not official information.
The Co-Cathedral stands in the centre of Valletta, a short walk from City Gate and the main bus terminus. Republic Street and Merchants Street, which run either side of it, are lined with cafés, restaurants and shops. The Grandmaster's Palace and the Upper Barrakka Gardens are within a few minutes' walk.
This guide was researched from the sources below and reviewed by our team on 27 October 2026. Facts under “Verified information” link to the page they were checked on; travel tips are general guidance. Photos are credited on each image. The ambient recording’s author and licence are shown in the sound player.