The resort operates a comprehensive spa and wellness facility built on over a century of expertise, centered on the thermal spring that emerges at 37.5°C enriched with minerals and fossil clays. The spa spans multiple specialized areas including Roman baths, hot spring pools covering 20,000 square metres, saunas, treatment rooms, and private suites, alongside structured wellness programmes and retreats.
Check availability Official websiteThe natural thermal spring has been active for over 3,000 years and emerges at a constant temperature of 37.5°C after a 40-year underground journey. The water is enriched with minerals and fossil clays and has been used for therapeutic purposes since Roman times. The Parco Termale (hot spring pools) spans 20,000 square metres and includes whirlpools and kneipp trails, accessible through various day spa formulas for both resort guests and day visitors.
The Sorgente (Roman Bath) is reserved exclusively for resort guests and offers an intense detoxification and purification experience through balanced spaces combining sauna and Turkish bath. The water's properties have contributed to the development of the exclusive cosmetic line Active Beauty, derived from Saturnia Bioplankton®—a biogenic treasure that matures in the thermal waters.
The Casale dedicates itself to relaxation through dedicated rooms: the Hay Room invites guests to breathe in sweet woody fragrance of yellow hay reminiscent of Maremma fields; the Cocoon Room features soft circular beds wrapped in light curtains for unwinding; the Silence Room facilitates meditation and relaxation allowing deepest thoughts to emerge.
Sauna facilities include Finnish Sauna and Hammam (resort guests only), the Roman Bath (resort guests only), Ayas Sauna (resort and club guests), and Argillarium and Social Sauna (accessible to all guests). Treatment rooms provide an atmosphere of tranquility where the outside world fades away. A private spa suite in Room 306 offers an exclusive space with Jacuzzi, tatami, and sensory shower for deep relaxation.
The Terme di Saturnia Method encompasses five core programmes: Classic combats oxidative stress through antioxidant effects; Detox purifies the organism and reactivates cellular flows; Slim reshapes the silhouette through metabolic and anti-inflammatory processes; Mind regains balance between mind and body; Skin Anti-Age addresses visible signs of aging using a holistic medical approach. Specialized retreats include anti-ageing programmes enriched with chronodiet, cooking classes, and mindful eating; yoga retreats with full immersion; and guided breathing practices alongside disciplines such as meditation, Qi Gong, and naturopathy journeys.
The natural thermal spring emerges at a constant 37.5°C after a 40-year underground journey, enriched with minerals and fossil clays.
The natural spring has been active for over 3,000 years and has been used for therapeutic purposes since Roman times.
The Sorgente (Roman Bath) offering sauna and Turkish bath, the Roman Bath sauna, and the Finnish Sauna and Hammam are exclusively for resort guests.
The Terme di Saturnia Method includes Classic (antioxidant), Detox (purification), Slim (metabolic reshaping), Mind (mind-body balance), and Skin Anti-Age (addressing visible aging).
Yes, various day spa formulas provide access to the hot spring pools and facilities for both resort guests and day visitors through a separate ticket office.
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