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Hôtel Costes in Paris has completed a new spa designed by Liaigre, the studio behind the hotel’s Castiglione wing. The space includes a 65-foot swimming pool, eight treatment rooms and materials and sensory features chosen for the project.
Hôtel Costes has completed a new spa in Paris, designed by Liaigre at the base of the hotel’s Castiglione wing. The project adds a 65-foot swimming pool and eight treatment rooms to the five-star hotel, extending the design studio’s work at the property into its wellness facilities.
The spa uses travertine, smoked oak, lacquer and liquid amber, according to Design Milk’s report. The material palette builds on the contemporary aesthetic associated with the hotel’s Castiglione wing, which Liaigre designed. The report describes the intended atmosphere as both atmospheric and rejuvenating; that language reflects the design brief rather than an independently measured outcome.
Visitors enter near a double staircase and pass through molded metal gates to reach reception. The area features a Dolby Atmos sound system and a signature fragrance created for the spa by perfumer Olivia Giacobetti. Lighting was designed by Arnold Chan and Isometrix, Design Milk reported.
The central feature is a 65-foot-long swimming pool lined with lagoon mosaic and filled with oxygen-enriched water, according to the report. Curtained lounge nooks surround the pool. The spa also has eight treatment rooms offering skincare treatments from Augustinus Bader, a U.K.-based brand identified as a spa partner.
A New Wellness Space at Costes
The spa adds a substantial wellness facility to a hotel already known for its interiors and hospitality. Its pool, treatment rooms and lounge areas broaden what guests can use on site, while the project extends Liaigre’s role from the Castiglione wing to another part of the property.
The design also places emphasis on materials, lighting, sound and fragrance alongside treatment offerings. That makes the project relevant beyond its amenities: it is another example of how a hotel’s interior design can shape the experience of a wellness space. The source does not provide pricing, access rules or information about whether the spa accepts visitors who are not hotel guests.
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From Castiglione Wing to Spa
Hôtel Costes opened in 1995 on Rue Saint-Honoré under brothers Jean-Louis and Gilbert Costes, according to Design Milk. The original interiors were created by Jacques Garcia. The hotel later expanded with a second wing after the brothers acquired the nearby Hôtel Lotti, which has an entrance on Rue de Castiglione.
Liaigre was responsible for the design of that Castiglione wing before returning to work on the spa. The new facility is at the base of the building, linking the spa’s completion to the hotel’s earlier expansion. Design Milk’s report includes photographs by Matthieu Salvaing and was written by Elizabeth Pagliacolo, editor of Azure magazine.
“The spa was created using “rich, solid materials.””
— Design Milk
Access, Prices and Opening Details
The report does not state when the spa opened, whether it is currently taking bookings or what treatments cost. It also does not clarify whether access is limited to hotel guests, whether outside visitors can book, or what services are available beyond the skincare treatments associated with Augustinus Bader.
Technical details about the oxygen-enriched water, the sound system and the spa’s fragrance are not provided. The source describes design features and amenities but makes no independently supported claims about medical benefits, treatment outcomes or the effects of the water.
Booking and Operating Details
Hôtel Costes has completed the design project, but the source offers no timetable for public access or further operational announcements. Readers seeking to visit will need to check directly with the hotel for current opening hours, booking availability, prices and guest-access policies.
Further information from the hotel could clarify the treatment menu, whether non-guests can make appointments and how the pool and other facilities are operated. Until those details are published, the confirmed picture is the spa’s design, layout and named brand partnership.
Key Questions
Where is the new spa?
It is at the base of Hôtel Costes’ Castiglione wing in Paris, according to Design Milk.
Who designed the spa?
Liaigre designed the spa. The studio also designed the hotel’s Castiglione wing.
What facilities does it include?
The reported facilities include a 65-foot swimming pool, curtained lounge nooks and eight treatment rooms. The treatment rooms offer skincare services from Augustinus Bader, identified as a spa partner.
Can people who are not hotel guests visit?
The source does not say whether the spa is open to non-guests. Access rules and booking details have not been specified in the report.
When did the spa open, and what does it cost?
The report does not give an opening date or prices. Contact Hôtel Costes for current availability and rates.
Source: rss
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