Spas with restaurant or café

San Juan

Adults-only hotel spa inside La Concha Resort in Condado, San Juan, offering couples massages and a small treatment menu for guests 18 and up.

Austin, Texas

Adults-only resort spa on Lake Austin offering all-inclusive overnight stays and limited day passes to pools, saunas, steam rooms and lake activities.

New Orleans, Louisiana

Hotel spa and rooftop wellness deck in New Orleans' CBD with sauna, steam, cold plunge and thermal circuits, restricted to guests 21 and up.

Kandy, Central Province

Resort spa at a Kandy hillside hotel with an infinity pool, hot tub and outdoor baths looking over the Hanthana mountains, open to hotel guests only.

Big Sur, California

Hotel spa at Post Ranch Inn in Big Sur, with five redwood-framed treatment rooms, a couples suite and ocean views, open to overnight guests only.

Berkshires, Massachusetts

A lakeside resort in Egremont with a seasonal pool and sauna for overnight guests only; no day passes and no spa treatments on offer.

Menlo Park, California

Asaya Spa at Rosewood Sand Hill is a hotel spa in Menlo Park's Sharon Heights area, offering treatments, yoga and fitness for hotel guests.

Santa Barbara, California

A luxury Montecito resort spa reserved for overnight guests of the 38-cottage historic property in the Santa Barbara foothills.

Scottsdale, Arizona

A hotel spa at Scottsdale Camelback Resort, open only to resort guests staying in the property's villas at the base of Camelback Mountain.

Scottsdale, Arizona

An adults-only hotel spa in Old Town Scottsdale with sauna, steam room, cold plunge and thermal pools, open to hotel guests 21 and up.

Goa

A hotel spa inside Sea Queen Beach Resort on Colva Beach, Betalbatim, Goa, open to overnight guests with one signature treatment called The Sea View.

The Hamptons, New York

Adults-only destination spa and 12-room retreat in Water Mill, offering hydrotherapy, yoga, spa treatments and overnight stays by reservation.

Tyrol, Bavaria

Hotel spa in Kreuth-Reitrain near Tegernsee with a 3,000 sqm onsen-style bathing area, hot and cold pools, saltwater pools and sauna, open on a day-pass basis.

Lombok, West Nusa Tenggara

A hotel-guests-only spa at this oceanfront Senggigi resort, offering Balinese and Sasak treatments alongside daily yoga and garden pavilion sessions.

Dallas, Texas

Hotel spa inside The Highland Dallas in Lower Greenville, Dallas, with a sauna, steam room, outdoor pool and couples treatment rooms.

Carlsbad, California

Adults-only hotel spa in Carlsbad with steam room, separate men's and women's lounges, and couples massage as its signature treatment.

Sedona, Arizona

Hotel-only spa amenities at The Joy Sedona, a B&B and creekside cabin property near Uptown Sedona with outdoor hot tubs, a relaxation lounge and private suites.

Lake Tahoe, California

Hotel-only spa at a lakefront resort in South Lake Tahoe, with an outdoor heated pool, Jacuzzi and treatment rooms aimed at couples.

East End, St. Thomas

Hotel spa inside a 30-acre oceanfront Ritz-Carlton resort on St. Thomas's East End, with a $450 day pass for pool and outdoor bath access.

Tiberias, Northern District

Adults-only boutique hotel spa on the Sea of Galilee in Tiberias, set in a former hospital building, with a seasonal pool and couples' treatments.

Scottsdale, Arizona

Hotel spa at The Scott Resort offering massages, facials and restorative treatments for guests amid palm-lined grounds in South Scottsdale.

Naples, Florida

A hotel-guests-only resort spa at Naples Grande Beach Resort in North Naples, open daily 9am-5pm, with pool and ocean-view access.

Phoenix, Arizona

Adults-only hotel wellness setup in downtown Phoenix with a heated pool, sauna and steam room, day passes available for $50.

Ischia, Campania

A day-pass thermal park in Serrara Fontana on Ischia with multiple pools, a restaurant, and family-friendly access, open daily 9am to 6pm.