Spas with relaxation lounge

Houston, Texas

Hotel spa inside Houston's only Forbes Five-Star tower in Uptown, limited to hotel guests, with a relaxation lounge and on-site dining.

Aspen, Colorado

A luxury hotel spa inside W Aspen, open to hotel guests only, with a relaxation lounge and on-site restaurant geared toward couples.

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.

Philadelphia, Pennsylvania

A private-reservation spa in Philadelphia's Manayunk neighborhood for date nights, birthday and bachelorette parties, with hot tub, sauna and massage chairs