St John’s Co-Cathedral is the single unmissable interior in Malta. Built in the 1570s as the conventual church of the Knights of St John, it looks almost severe from the street, a sober military facade on St John’s Square. Step inside and every surface explodes with gold: carved and gilded stone walls, chapels dedicated to each of the Knights’ national langues, and a vaulted ceiling painted by Mattia Preti with scenes from the life of the Baptist. Underfoot lies a carpet of inlaid marble tombstones, hundreds of them, commemorating knights with skulls, crowns and coats of arms. The climax is the Oratory, where Caravaggio’s Beheading of Saint John the Baptist fills the end wall, painted while he was in Malta in 1608. It is his largest canvas and the only one he signed, in the blood flowing from the saint’s neck. His Saint Jerome Writing hangs nearby. An audio guide is included with entry.
Practicalities matter here. The cathedral opens Monday to Saturday, from morning until late afternoon with last entry before closing, and it is closed on Sundays and public holidays, when it functions as a church; cruise days can make late mornings crowded. Dress modestly, with shoulders and knees covered, and expect rules protecting the marble floor, such as no stiletto heels. Entry carries a moderate fee that funds conservation; the Oratory and its Caravaggio occasionally close for a day or two for events, so check the official news page before going if the painting is your reason to visit.
Strategy: arrive at opening, take the audio guide slowly through the nave and chapels, and save the Oratory for last so the Caravaggio lands with full force. Allow an hour, or ninety minutes if you also see the museum and tapestries. Pair it with the Grand Master’s Palace a block away and lunch on Merchants Street, then walk down to the Upper Barrakka Gardens for the harbour view.
What to expect
The experience
Self-guided visit with an included audio guide through the nave, side chapels, Oratory and museum.
Best time
Right at opening on a weekday morning, before cruise groups; it is closed on Sundays.
How long
About an hour, more with the museum.
Tips
Cover shoulders and knees, leave stiletto heels at the hotel, and check the news page for any Oratory closures.
Quick picks
- Best for
- Anyone who cares about art, and anyone who has never seen Baroque at full volume.
- Families
- Fine for older children who can manage an hour indoors; the tombstone floor fascinates kids.
- Couples
- Go early, then linger over coffee on the square outside.
- Pair with
- The Upper Barrakka Gardens and a Valletta walking tour.
- Time needed
- An unhurried hour.
Good questions
Is the Caravaggio always on view?+
Usually, in the Oratory, but the Oratory and Caravaggio wing close on occasional days for events. Check the official news page before you go.
Is the cathedral open on Sundays?+
No. Visits run Monday to Saturday; it is closed to sightseers on Sundays and public holidays.
Is there a dress code?+
Yes, modest dress with shoulders and knees covered, and floor-protecting rules on footwear such as no stiletto heels.
Is an audio guide included?+
Yes, the entry ticket includes a multilingual audio guide.
How long does a visit take?+
About an hour for the church and Oratory, closer to ninety minutes with the museum.