N.E. Corner of Val Vista Dr. & 202 Fwy
3345 S. Val Vista Dr.
Gilbert, Arizona 85297
1.866.MTN.FITT | 480.821.9501



  • Monday4:30 am - 11:00 pm
  • Tuesday4:30 am - 11:00 pm
  • Wednesday4:30 am - 11:00 pm
  • Thursday4:30 am - 11:00 pm
  • Friday 4:30 am - 9:00 pm
  • Saturday6:00 am - 9:00 pm
  • Sunday 6:00 am - 9:00 pm

Gilbert Mountainside Fitness

At Mountainside Fitness, we take our reputation as being one of the leading fitness centers in Gilbert, AZ very seriously.  In each of our 17 health and fitness centers, our staff genuinely cares about the experience of our Members.  From group fitness classes to onsite childcare, Mountainside Fitness has something for everyone.  To see what our Gilbert, AZ fitness center has to offer, check our amenities below.  Our club memberships are created for individuals, couples and families with month to month or contract pricing options.  Plus, we also offer corporate fitness center memberships which provide employees savings up to 20% off membership.

More Than 80 Group Fitness Classes Every Week

Our Gilbert gym has a comprehensive schedule of  studio fitness classes so you can find a class and time that is right for you. Choose from yoga classes, spin classes, Zumba classes and many more. Our dedicated yoga studio sets the tone for a great experience and our certified yoga instructors will provide instruction for all skill levels. The cycle studio features advanced bikes to make your spin class challenging and a clear sound system so our certified instructors can motivate you with our upbeat playlists. Our Group X movement studio is our largest studio space so you have room to move in our high energy classes like Zumba, Step and Tabata. 

Ready to Experience the Mountainside Way? Download a free 7-day pass.  Don’t forget to check out our group exercise classes schedule, our childcare offerings or our personal training programs.

Club amenities

  • 10,000 lbs of Free Weights
  • Cardio Equipment with Entertainment Systems
  • Complimentary Fitness Consultation
  • Cycle Studio
  • Dedicated Agility Training and Stretching Area
  • Fitness 101 Classes
  • Free Towel Service
  • Free WiFi throughout the Club
  • Full Service Locker Rooms
  • Functional Training Area with Rogue Fitness Racks
  • MCafé Smoothie Bar
  • Over 80 Group Fitness Classes per Week
  • PEAK Performance area for heart-rate training classes
  • Rogue Functional Training Equipment
  • Sauna & Steam Rooms
  • Specialized Cycle Studio, Mind & Body, Group X & TRX
  • Tanning Bed
  • Variety of Strength Equipment

Additional SERVICES

What Our Members Are Saying

Read Ross R.'s review of Mountainside Fitness on Yelp


  • Secure sign in and out
  • Parent viewing monitors throughout the club 
  • Newborns — up to 11 years old 
  • Activities for each age group including:
    •  M Kids Movie Theatre
    •  GameOn Gaming Area
    •  Inflatable Park
    •  Kids in Motion Fitness Equipment
    •  Designated area for infants


  • Monday8:00 AM – 8:00 PM
  • Tuesday8:00 AM – 8:00 PM
  • Wednesday8:00 AM – 8:00 PM
  • Thursday8:00 AM – 8:00 PM
  • Friday 8:00 AM – 7:00 PM
  • Saturday8:00 AM – 3:00 PM
  • Sunday 8:00 AM – 3:00 PM