Spa day vs sauna: what you get for your money
By the Find My Sauna team·
Updated ·
6 min read
A spa day and a sauna session can both leave you warm, loose and half asleep on the way home. They cost very different amounts, though, and you get very different things for the money. Here's how a day spa, a public sauna and a private sauna rental compare, and how to pick.
The short answer
A day spa sells comfort: several pools and heat rooms, robes and towels, quiet lounges and the option of massages, usually for a few hours or a whole day. A public sauna or bathhouse sells the heat itself: sauna rooms, cold water and somewhere to rest, often for an hour or two and for much less. A private sauna rental gives your group a sauna to itself, which can work out cheap per head. If you mainly want to sweat and cool off, a public sauna is the best value. If you want a treat with extras, book the spa.
What a day spa includes
A day spa is built for a long, slow visit. You'll usually find a few heated pools or whirlpools, a sauna, a steam room, a cold plunge or ice fountain, and lounges where you can doze between rounds. Many have a café or bistro, and most sell massages and facials on top.
What you pay for, beyond the heat, is space and comfort: more rooms to move between, softer lighting, robes, and staff keeping it calm. Two examples with their published prices, checked in October 2026:
- Bologna Spa & Wellness, Bologna: €29 for 3 hours, €34 for 5 hours or €42 for the day. Towels (€4) and bathrobes (€6) are extra, booking is required and the minimum age is 16.
- AIRE Ancient Baths, Barcelona: €166 for two people for a 90-minute visit to the baths with a juice or cava, on the venue's own site. Its single tickets vary by date and seller.
Read the small print on treatments. At some spas a massage includes time in the baths, at others it's extra.
What a public sauna includes
A public sauna or bathhouse is simpler and usually cheaper. You get one or more sauna rooms, cold water to cool off in, showers and a place to sit between rounds. Some have steam rooms, a pool or sauna-master ceremonies included. Robes and towels are often extra or bring-your-own.
Prices are usually by time or by entry:
- SaunaRelaxBar, Ostrava: 155 Kč for 60 minutes or 370 Kč for unlimited time, plus 50 Kč to borrow a towel and sheet.
- Termy Krakowskie Sodowa, Kraków: eight heat rooms for 60 zł an hour or 110 zł with no time limit.
- Bains Municipaux, Strasbourg: the city's 1908 public baths. €24 gets you into the pools and the wellness area, with its Roman baths, hammam and 80 °C sauna.
- Community Sauna Baths, London: a not-for-profit with several sites, from £9.50 a session and with concessions from £5.
Our guide to public saunas explains how they work, from Helsinki's old neighbourhood saunas to the new community ones.
Private sauna rental
A growing number of places rent the whole sauna to one group for an hour or two. It's a good fit for friends, couples, a birthday, or anyone who doesn't want to share the bench with strangers. You also set the rules: music, chat and what you wear are up to you.
The price looks high until you split it. Sauna Smíchov in Prague lists 1,990 Kč for two hours in its outdoor sauna, a flat price for the whole group of up to six, with towels and sheets included. That is around 330 Kč each for a full group. A couple pays the same total, so it's much better value when you fill it.
Side by side
| Day spa | Public sauna | Private rental | |
|---|---|---|---|
| Typical visit | 3 hours to a full day | 1–2 hours | 1–2 hours |
| Facilities | Pools, several heat rooms, lounges | Sauna, cold water, rest area | One sauna, sometimes a hot tub |
| Towels and robes | Often included or for hire | Often bring your own | Varies |
| Treatments | Yes, for an extra charge | Rarely | Rarely |
| Atmosphere | Quiet, polished | Social, sometimes busy | Just your group |
| Cheapest when | You book off-peak | You go often | You fill it |
How to choose
Start with what you want from the visit.
- You want to sweat, cool off and go home. A public sauna. You'll get the same heat as at a spa for a fraction of the price.
- It's a birthday, an anniversary or a present. A day spa, ideally with a massage, because the robes, the lounges and the time are the point.
- You're a group, or you're shy. A private rental. Split between four to six people it's often cheaper per head than a spa.
- You're new to saunas. A public sauna off-peak, or a spa on a weekday. Both are quieter, and staff have time to explain. Our guide to how long to stay in a sauna will help with the timings.
Also think about how often you'll go. A spa is a once-in-a-while treat for most people. A public sauna is something you can make a weekly habit, and many offer memberships or multi-visit cards that cut the price further. See how much a sauna session costs for more on that.
Booking tips
- Book weekends early. Spas and popular saunas sell out on Saturdays and Sundays, and many only take bookings.
- Look for off-peak prices. Weekday mornings and early afternoons are often cheaper.
- Check what's included. Towels, robes, slippers and lockers are free at some places and charged at others. Riela Bathhouse in Madrid asks you to bring only a swimsuit, while Bologna Spa charges for towels.
- Check the age limit. Many spas and bathhouses set one: 16 at Bologna Spa, 18 at Riela.
- Check the clothing rules. Some saunas are textile-free, others require swimwear. Our guide to what to wear in a sauna explains the customs.
- Arrive early. Your time usually starts at the booked hour, not when you've changed.
Where to book a private sauna
Find My Sauna lists 729 places where you can book a sauna just for your group. These cities have the most:
Sauna Smíchov
Prague · Private outdoor saunas
Říční sauna Třpyt
Brno · River sauna
Riela Bathhouse
Madrid · Shared bathhouse
Frequently asked questions
Is a spa day worth the money?
If you want several hours of comfort, robes, pools and a massage, yes. If you mainly want the heat, a public sauna gives you that for much less.
Is a sauna the same as a spa?
No. A sauna is one heated room. A spa usually has a sauna along with pools, steam rooms, lounges and treatments.
How long is a typical spa day?
Many day spas sell three to five hours or a full day. Three hours is enough for a few rounds in the heat and a rest.
Do you need to bring towels to a spa?
Sometimes. Some spas include towels and robes, others charge for them or ask you to bring your own. Check when you book.
Is it cheaper to rent a private sauna?
Per person it can be, if you fill it. A private sauna for up to six people often costs less per head than a spa day, but a couple pays the full price.
