The best Santa Fe Spa & named one of Premier Traveler's World's 10 Best Spas. Nidah Spa is Santa Fe's most tranquil setting, designed for ultimate relaxation. Guests can immediately immerse themselves in Nidah Spa’s atmosphere of quiet calm, from the soothing relaxation room to the softly lit ambiance of their treatment room. There are seven treatment rooms in all, including a couple’s suite. Nidah Spa is open seven days a week.