Spas with couples

Sayulita, Nayarit

A hillside boutique hotel spa outside Sayulita with sauna, steam room, cold plunge and ocean-view pool, open on a day-pass basis.

Calistoga, California

A 25-room Sonoma hotel in Forestville with a spa barn offering sauna, steam and pools, mainly for overnight guests.

Boulder, Colorado

Pure Serenity Spa is a moderate-priced day spa in Boulder open Sundays, with reservations recommended for couples or solo visits.

Palm Beach, Florida

A moderately priced day spa in West Palm Beach's Palm Beach Lakes area, open daily except Sunday from 9am to 10pm.

San Francisco, California

A moderately priced fitness-club spa in downtown San Francisco offering bodywork, skincare and specialty treatments with reservations required.