Hotel

Mercure Petriolo Siena Terme Spa Hotel

58045 Bagni di Petriolo GR, Italy, Italy20–150 guests$$$

Type:Hotel

Capacity:20–150 guests

Budget:$$$

Airport:Florence Peretola Airport (FLR), 90 minutes

Guests arrive at a thermal spa hotel where natural hot springs meet Tuscan countryside, offering a rare venue where healing waters and celebration coexist. The 4.3-star Mercure property sits in the Crete Senesi landscape near Siena, allowing your group to experience thermal pools, fine dining, and spa treatments alongside wedding events. This setting transforms a destination wedding into a multi-day wellness retreat that guests actually look forward to attending.

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Highlights

Natural thermal springs with temperatures reaching 43°C (109°F) on the property
Located in Bagni di Petriolo, a historic thermal spa destination dating back to medieval times
4.3 Google rating across 1000+ guest reviews
Spa facilities including indoor and outdoor thermal pools included with accommodation
Proximity to Siena (30km away) and Val d'Orcia wine region for guest day-trips

Quick facts

Capacity20–150 guests

Venue typeHotel

Price range$$$

LocationItaly

Nearest airportFLR

Visit venue website

Plan your wedding at Mercure Petriolo Siena Terme Spa Hotel

Getting there

Florence Peretola Airport (FLR)

90 minutes to venue

Car rental + drive

€40–70 per person (varies by group size)

90 minutes · Pick up at Florence Airport, drive via SR2 towards Siena, then to Bagni di Petriolo

Private transfer service

€150–250 per vehicle (inquire with hotel)

90 minutes from Florence; 45 minutes from Siena · Hotel can arrange pre-booked driver from Florence or Siena

Train + car

€20–50 per person (train + transfer)

3.5 hours total from Florence · Train to Siena station, then local taxi or rental car to venue

Cost estimate

Ceremony / venue fee

Typically included with reception package or €500–1,500 (contact hotel for specifics)

Reception (per guest)

€60–120 per person (3-course menu, beverages, service)

Accommodation (per night)

€120–250 per room (standard to deluxe, spa package rates available)

Estimated total

€8,000–25,000+ for 50 guests (2-night stay, ceremony, reception, accommodations)

Costs vary by season, room category, menu selections, and guest count. Thermal spa credits may be included or discounted. Request a formal quote from the events department.

Sample wedding weekend

Friday evening

4:00 PM onwardsGuest arrival; welcome reception by thermal pools or in hotel lounge

Saturday morning

10:00 AMRehearsal (if needed) or guest spa time

Saturday afternoon

3:00 PMHair and makeup; final preparations

Saturday evening

5:30 PMCeremony (indoor or outdoor terrace, pending weather)

6:30 PMCocktail hour (thermal pools, gardens, or terrace)

8:00 PMDinner and reception; dancing

Sunday morning

FlexibleBreakfast; guest spa time or excursions (Siena, wine country)

This is a sample itinerary. Your wedding weekend can be fully customized.

Frequently asked questions

Can we use the thermal pools as part of our wedding events?

Yes. Many couples incorporate welcome receptions by the thermal pools or arrange spa credits as guest gifts. The hotel can coordinate timing with spa operations.

What's the ceremony and reception capacity?

The venue accommodates 20–150 guests depending on room configuration. Indoor and outdoor spaces are available; inquire directly about your guest count.

Are accommodations on-site?

Yes. The Mercure has guest rooms available, allowing your wedding party and guests to stay at the venue. Multi-night packages are common for destination weddings.

How far is the nearest airport?

Florence Airport (Peretola) is approximately 120km away, roughly 90 minutes by car. Siena is 30km away for ground transfers.

What dining options are available?

The hotel operates an on-site restaurant serving regional Tuscan cuisine. Custom wedding menus and rehearsal dinners can be arranged through the events team.