Best New Spa
THANN Sanctuary SpA at Castle Hotel & Spa
400 Benedict Ave, Tarrytown
(914) 524-6392; www.thannsanctuaryspany.com
When you leave a massage humming “Walking on Sunshine,” you know you’ve had an extraordinary experience—which about sums up the entire spa, with its cool minimalist décor, luxe lounge area, decadent steam room, and, of course, highly skilled therapists who spent seven weeks in Thailand learning both the Thai culture and techniques.