Carillon Miami Wellness Resort is ideal if you’re craving a bit of zen among the bustle of South Beach. The 70,000-square-foot spa has four pools, 20-25 fitness classes a day and about 160-180 fitness classes a week, plus a two-story indoor rock wall. Other amenities include nine hot and cold thermal hydrotherapy suites. The property also offers acupuncture and nutrition counseling. Rates from $382 per night.