Spas with reservation required

Asheville, North Carolina

A reservation-only, adults-only spa inside Grand Bohemian Lodge in Biltmore Village, open to hotel guests only.

Sedona, Arizona

A hotel spa at the Poco Diablo Resort in Sedona offering day passes by reservation, open daily with extended hours on weekends.

Las Vegas, Nevada

A reservation-only, adults-only hotel spa in Las Vegas open daily 10am-8pm, in the moderate price tier.

Houston, Texas

Thompson Spa is a hotel spa in Houston's Fourth Ward open only to hotel guests, with reservations required and an adults-only, couples-friendly setting.

Vail, Colorado

Hotel spa at The Hythe in Vail offering treatments and a relaxation lounge, open daily 9am-7pm, reservation required.

Kyoto

Hotel spa on the 2nd floor of Dhawa Yura Kyoto in Higashiyama, offering private-suite treatments by Banyan Tree Academy-trained therapists.

Park City, Utah

Hotel spa at Mayflower Mountain near Deer Valley with massages, facials, a sauna, relaxation lounge and couples treatments; reservations required.

Houston, Texas

A hotel spa inside The Laura Hotel in downtown Houston offering massage, facial and nail treatments for solo visitors, couples and groups.

Arima Onsen, Hyogo

Hotel spa in Arima Onsen with Arima's rare iron-rich "ginsen" waters, outdoor baths, sauna and jacuzzi, run as an all-inclusive overnight stay.

Prague

A beer-spa and wellness venue in Prague's Nové Město district offering beer-bath tubs, massages, and a saunarium, open daily from 11am to 11pm.

Kyle, Texas

A 88-acre Hill Country resort near Kyle and Wimberley with overnight rooms, a garden spa, pool, hot tubs and day-pass access by reservation.

Tulum, Quintana Roo

A hotel spa in Tulum's SM 15 area that requires advance reservations and is geared toward couples and small groups, priced in the upscale range.

Palm Springs, California

Andreas Hotel & Spa is a hotel spa in downtown Palm Springs with a relaxation lounge, open to hotel guests by reservation.

Miami, Florida

Adults-only hotel spa inside the Dua Hotel Miami, Autograph Collection, in Brickell, reservation required, hours and pricing not published.

Afyonkarahisar

A hotel thermal spa in Afyonkarahisar offering day passes by reservation, open daily 8am to 11pm, suited to families and couples.

Scarborough

A boutique hillside hotel above Bacolet Bay in Scarborough, Tobago, with an infinity pool and ocean views, built around a converted 150-year-old Donkey Cart

Naples, Florida

A resort spa at the Hyatt Regency Coconut Point in Bonita Springs, open to hotel guests by reservation, with pool access on site.

Napa Valley, California

A hotel spa at the Napa Valley Marriott Resort, open to hotel guests by reservation, geared toward couples and families.

Tampere, Pirkanmaa

A budget-friendly public sauna and bathhouse in Tampere, open to walk-ins but reservations are also an option.

Fort Lauderdale, Florida

Hotel spa inside The Dalmar in central Fort Lauderdale, open to hotel guests with a reservation and a relaxation lounge on site.

Kansas City, Missouri

A hotel spa inside the Westin Kansas City at Crown Center, open to hotel guests by reservation in downtown Kansas City.

Yufuin, Oita

A small hillside ryokan near Yufuin's town center where every room has its own half-open-air bath filled with 100% source hot-spring water and a view of Mt.

Big Sur, California

Adults-only hotel spa at Ventana Big Sur with ocean-view treatment rooms, outdoor cabanas for couples, and a 24-hour fitness and yoga space.

Chicago, Illinois

A hotel spa for Waldorf Astoria guests only in Chicago's Rush & Division area, open daily 6am-9pm by reservation, luxury pricing.