The only natural thermal spring in the Balearics: an adults-only wellness hotel in the Es Salobrar de Campos nature park, with a guests-only beach club on Es Trenc and thermal waters with public-utility status since 1869.
Disclosure: HotelsForKings earns an affiliate commission if you book through links on this page, at no extra cost to you. We rank hotels editorially and never accept payment for placement or coverage.
Fontsanta is the only hotel in the Balearics built on a natural thermal spring, a distinction nothing else on the island can claim. It is an adults-only wellness retreat of 36 rooms in the Es Salobrar de Campos nature park near Es Trenc beach, with a guests-only beach club and thermal waters that have held public-utility status since 1869.
The only natural thermal spring in the Balearics: an adults-only wellness hotel in the Es Salobrar de Campos nature park, with a guests-only beach club on Es Trenc and thermal waters with public-utility status since 1869.
Fontsanta Hotel Thermal Spa & Wellness sits in the Es Salobrar de Campos natural park in southern Mallorca, near Colònia de Sant Jordi, on the only natural thermal spring in the Balearic Islands, waters recognised for their public-utility value since 1869. That single fact makes it genuinely unique on the island: every other Mallorcan spa heats its water; Fontsanta's comes warm from the ground.
It is an adults-only retreat scaled for calm, 36 rooms, most with a terrace facing the wetland park, and a guests-only beach club on Es Trenc, one of Mallorca's last great undeveloped white-sand beaches. The mood is restorative and low-key rather than glossy-luxury: this is a wellness hotel first, chosen for the waters and the setting.
The trade-off is that it is more spa-and-nature retreat than full-service resort. Design and dining are good rather than headline, and the location is rural. Travellers who want thermal soaking, birdlife in the salt flats and a wild beach will love it; those wanting nightlife or a grand-hotel scene should look to Palma or the big resorts.
There are 36 rooms and suites, comfortable and uncluttered, most with a terrace overlooking the Es Salobrar wetland and natural park. Suites add a sitting area; the emphasis throughout is on quiet and the view rather than opulence.
What to book: a room or suite with a park-facing terrace, the wetland-and-salt-flat outlook, with its birdlife, is part of the retreat. What to skip: there is no need to overspend here; the property's value is in the thermal spa and the beach club, so a mid-category park-view room is the smart choice over the top suites.
The hotel restaurant serves à la carte cooking with an emphasis on local produce and lighter, wellness-minded options, with special diets accommodated. It is accomplished and pleasant rather than a destination kitchen, in keeping with the retreat format; Colònia de Sant Jordi's seafront restaurants are a short drive for variety.
The thermal spa is the entire point and the island's only one of its kind. Natural thermal waters feed pools, with saunas and jacuzzis alongside, and a treatment menu spanning sports massage, body scrubs and aromatherapy. Soaking in naturally warm mineral water, in a hotel that has the only such spring in the Balearics, is an experience you cannot replicate anywhere else on Mallorca, and the reason most guests come.
In the Es Salobrar de Campos natural park near Campos and Colònia de Sant Jordi, southern Mallorca, roughly 45–55 minutes from Palma airport. The setting pairs a protected wetland (rich in birdlife) with a guests-only beach club on Es Trenc, the long, wild, white-sand beach that is one of the island's last undeveloped stretches. A rental car is needed.
Our score is a weighted blend of six criteria we assess on every hotel, with weightings shown below. It is HotelsForKings' own editorial rating, not an aggregate of third-party guest scores. Fontsanta Hotel Thermal Spa & Wellness earns an overall 8.9/10.
| Criterion | Weight | Score |
|---|---|---|
| Romance | 20% | 9.0 |
| Service | 20% | 9.0 |
| Design | 15% | 8.6 |
| Food | 20% | 8.6 |
| Location | 15% | 9.1 |
| Value | 10% | 9.0 |
| Overall (weighted) | 8.9 |
Recent verified guest reviews single out the thermal spa and the Es Trenc beach club as the standouts, along with the peace of the natural-park setting and warm, unobtrusive service. The adults-only calm is repeatedly praised. The recurring caveats are honest and consistent: the design and dining are good rather than luxurious for the price some pay in peak, the location is genuinely rural (you drive everywhere), and it is a wellness retreat, not a resort with extensive facilities. Guests who came specifically for thermal soaking, nature and Es Trenc are overwhelmingly satisfied; those expecting a glossy grand hotel are occasionally not.
Design and dining are good rather than headline-luxury, the setting is rural, and facilities are wellness-focused not resort-scale. Skip Fontsanta if you want a grand-hotel scene, destination dining or nightlife, choose Es Príncep, Cap Vermell or a Bay of Palma resort instead. Choose Fontsanta for the only thermal spring in the Balearics, an adults-only nature retreat and a beach club on wild Es Trenc.
The clearest wellness pick on the island: the Balearics' only natural thermal spring, adults-only calm, a nature-park setting and a wild-beach club. Build the stay around the thermal pools and treatments.
A quiet, nature-led honeymoon for couples who value thermal soaking and an undeveloped beach over a grand-hotel scene. Book a park-view suite and time it for the calmer shoulder season.
Adults-only, restorative and unshowy, an excellent solo wellness base, with the thermal spa, birdwatching in the salt flats and Es Trenc walks filling the days without any need to perform.
Carretera Campos a la Colònia de Sant Jordi km 8, 07638 Campos, Mallorca, Balearic Islands · Es Salobrar nature park near Es Trenc; ~45–55 min from PMI
36 rooms and suites, most with park-view terraces · from the €200s low season, €400s+ peak
Check-in 3:00 PM · Check-out 12:00 PM · Adults-only
Only natural thermal spring in the Balearics (public-utility since 1869) · adults-only · thermal pools, saunas, jacuzzis · guests-only Es Trenc beach club · Es Salobrar nature park
Typically open much of the year · Best value spring and autumn · Peak July–August
~45–55 min from Palma airport · rental car needed
From €€€ (€200s–€300s low season; €400s+ peak). Compare current rates and availability through our booking partner.
Check Rates & Availability →It is built on the only natural thermal spring in the Balearic Islands, waters recognised for their public-utility value since 1869. Every other Mallorcan spa heats its water; Fontsanta's comes warm from the ground, an experience you cannot find anywhere else on the island.
Yes. Fontsanta Hotel Thermal Spa & Wellness is an adults-only retreat, which suits its restorative, wellness-led character and the calm of its natural-park setting.
Yes, a guests-only beach club on Es Trenc, one of Mallorca's last great undeveloped white-sand beaches. The hotel itself sits inland in the Es Salobrar de Campos natural park, a short distance from the beach club; a car is useful.
It is in the Es Salobrar de Campos natural park near Campos and Colònia de Sant Jordi in southern Mallorca, roughly 45–55 minutes from Palma de Mallorca airport (PMI). The setting is genuinely rural, so a rental car is needed.
It is best understood as an adults-only wellness retreat rather than a grand luxury resort. The design and dining are good rather than headline, and the value is in the unique thermal spa, the nature-park setting and the Es Trenc beach club. Guests who come for those are consistently delighted.
Beyond the thermal pools and treatments, the Es Salobrar salt flats are rich in birdlife, Es Trenc offers long beach walks, and Colònia de Sant Jordi's seafront restaurants are a short drive. It is a retreat built around nature and water rather than activities or nightlife.
Spring and autumn are ideal, the thermal waters and beach club are enjoyable, the salt-flat birdlife is active, and rates and crowds are lower than the July–August peak. The thermal spa makes even cooler shoulder months appealing.
The design-led southeast manor nearby, for pairing thermal wellness with a town base.
A Tramuntana estate alternative for travellers weighing wellness against historic grandeur.
The Bay of Palma fortress, the other end of the adults-only spectrum.