Dress Code, Security & Rules at St. Peter's Basilica

St. Peter’s Basilica is one of the most visited buildings on earth — and also a working church, so it enforces a real dress code and airport-style security. Every year, visitors are turned away at the entrance for clothing they assumed was fine. This guide covers exactly what to wear, what not to bring, and how to behave inside, so nothing derails your visit or your guided underground tour.

The Dress Code: Cover Shoulders and Knees

The rule is short and strictly enforced for both men and women: shoulders and knees must be covered. There are no summer exceptions.

That means no:

• Shorts of any length above the knee
• Miniskirts or short dresses
• Tank tops, vests, or sleeveless tops
• Low-cut or revealing garments
• Bare-shoulder summer dresses

And yes to:

• Long trousers, jeans, or knee-length-or-longer skirts and dresses
• T-shirts or any top that covers the shoulders
• A light scarf or shawl draped over bare shoulders if you forget — a genuinely useful backup to keep in your bag
• Comfortable flat shoes or trainers (more on footwear below)

Enforcement happens right at the entrance. Staff check clothing as you reach the door, and visitors who do not meet the code are turned away — there is no negotiating past the point. If your day includes a meal, a beach, or warm sightseeing, plan your outfit around the Basilica’s rule, not the weather. Men should also remove hats inside; women may keep a head covering on.

What to Wear on Your Feet

Footwear is not part of the formal dress code, but it matters for the visit itself. The Basilica floor is a vast expanse of marble, and the building is roughly the size of a football pitch — you cover real distance just walking the nave and the Vatican Grottoes. If you add the dome climb, you face roughly 320 steps on a narrow, curving staircase.

Choose comfortable, grippy, flat shoes — trainers are ideal. Avoid high heels, flip-flops, and slick-soled sandals, especially if the dome is on your plan. Our dome climb guide explains why the staircase rewards good footwear.

Security Checks: What to Expect

Every visitor — independent or on a tour — passes a mandatory security screening before entering the Basilica, similar to an airport check.

In peak season this queue can take 1–3 hours for walk-up visitors. A guided tour does not skip the screening, but it does change the day: you arrive for a fixed time slot, the group gathers at Piazza della Città Leonina, 2, and staff distribute radio headsets and shepherd everyone through security together. Travel light — the smaller your bag, the faster the check.

Conduct Rules Inside the Basilica

St. Peter’s is an active place of worship, and a few rules apply once you are through the door:

• Keep your voice low. Quiet, respectful behaviour is expected throughout — the Basilica is not a museum hall.
• No food or drink inside the Basilica.
• Photography is allowed, but without flash. You can take photos freely; just switch the flash off.
• Dress code applies the whole visit — you cannot un-cover your shoulders once inside.
• Areas may close for Mass and ceremonies; a guide will route the group around any closures.

These are not arbitrary — they protect both the artworks and the worshippers who use the Basilica every day.

What to Bring (and What to Leave Behind)

A short, practical packing list for the visit:

Bring:

• Passport or ID card
• A small bag only — large bags are refused at security
• A light scarf or shawl (dress-code insurance)
• Water, especially in summer and if you are climbing the dome
• Comfortable, covered, flat-soled shoes

Leave behind:

• Large backpacks and luggage
• Anything sharp or weapon-like
• Selfie sticks and tripods, which are commonly restricted
• The intention to wear shorts or a sleeveless top “just for the morning”

Get the clothing and the bag right, and the rest of the visit is simply enjoyable.

Ready to Book?

Once you are dressed for it, the St. Peter’s Basilica underground tour makes the visit effortless: a licensed Vatican guide, radio headsets, the Vatican Grottoes and papal tombs, the original 4th-century walls, and an optional Michelangelo dome climb. Rated 4.8/5 by 4,144 guests, from $38.59 per person, with free cancellation up to 24 hours before your start time. Check availability and book →