Canyon Ranch Spaclub

The classic spa retreat on the Strip, Canyon Ranch is a separate destination spa right inside Venetian and Palazzo. The massive 118,000-square-foot spa offers customized nutrition counseling, acupuncture, a 40-foot clmbing wall and even a foot biomechanics analysis center. Venetian and Palazzo, 702.414.3600, canyonranch.com

Espa at Vdara

Award the Forbes Travel Guide five-star rating for the second year in a row, every respite here begins with singature European heat experiences, taking guests through a therapeutic journey of temperature changes before retreating into a day of fully customized pampering. Vdara Hotel & Spa at Aria Las Vegas, 702.590.2474, vdara.com

The Spa at Aria

Guests can make a day of it in this 80,000-square-foot spa by relaxing on the heated stone ganbanyoku beds, breathing in the therapeautic salt air in the Shio salt room, or meeting up with a significant other in the infinity-edge balcony pool lounge. 702.590.9600, aria.com

The Spa at Red Rock by Well & Being

This west-side resort has transformed its spa into a destination wellness center, featuring an outdoor shower garden, a coed lounge and a mind-body studio. Book yourself an entire weekend, since there's also nutritional advising, vertical wall yoga and workouts in nearby Red Rock Canyon. Red Rock Casino, Resort and Spa, 702.797.7878, rr-spa.com