Hyatt Regency Calgary offers world-class service, elegant surroundings and unsurpassed modern convenience. *355 modern guestrooms including 13 suites, all with high speed internet access. Hotel features Respire, Calgary's only Hypo-Allergenic guestrooms. *Over 31,000 square feet of flexible meeting space,including a 13,500 - square foot ballroom. *Stillwater Spa. A 6,000-square-foot, European-inspired, full-service spa, offering a variety of rejuvenating treatments.