Weekday Spa Special in New York: 50 Percent Off Second Treatment at The Peninsula

Bring a friend* to the swanky spa at The Peninsula New York and reap the benefits! When you indulge in a spa treatment on a weekday, you'll get the second treatment for 50 percent off. Available Monday-Wednesday until September 9, the promotion is valid for all spa treatments 60 minutes or longer. The new rooftop spa by ESPA is one of the finest in the city, boasting luxurious details like 24-karat gold mosaics by Bisazza.

*Or go alone, and keep the savings for yourself...