There are restaurants and bars in both main buildings, as well as freestanding around the lake, along with the vast spa and wellness center, a Broadmoor trademark.

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The Endeavor also offers a good library, a wellness spa and massages on a floating platform.

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The private-island retreat boasts strategically sunlit guest rooms, 24-hour butler service and, the crown jewel, COMO Shambhala Retreat wellness center and spa.

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Kamalaya Wellness Retreat and Holistic Spa is tucked away in the southeastern Thai island of Koh Samui.

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While there are some day treatments, only overnight guests can take full advantage of the spa's many programs, including guided hikes and wellness classes.

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What the research helped us realize is that there is a market segment we call 'wellness lifestyle' and it includes spirituality, fitness, nutrition, beauty, spa, the healing arts, stress management.

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The four-story, 35, 000-square-foot Espa Life at Corinthia spa and wellness center offers 15 treatment rooms, a monochromatic white spa lounge, a sauna encased in glass and a pool lined with steel.

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