Open to the public as well as to guests, the new Doubletree Day Spa, part of a recent multi-million dollar renovation to the hotel, offers a special “Day of Pampering” package of more than four hours of bliss, including a massage, facial, manicure, pedicure, hair styling, makeup, and a light lunch ($225). The new spa is at 455 S Broadway, Tarrytown; (914) 631-5700.