Soaring 31 floors high atop The St. Regis Toronto, Iridium Spa is Canada’s Highest Luxury Spa boasting sweeping views of downtown Toronto. Begin your journey to rejuvenation the moment you enter our urban oasis, with a breath of Iridium’s signature scents of Violet and Iris enveloping your senses. An urban retreat unlike any other-every moment crafted to dazzle the senses and celebrate the extraordinary.