Downtown at Chase Field

Inside the Chase Field Ballpark
401 E. Jefferson St.
Phoenix, Arizona 85004
1.866.MTN.FITT | 602.343.6310



  • 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 7:00 am - 3:00 pm

Downtown at Chase Field Mountainside Fitness

At Mountainside Fitness, we take our reputation as being one of the leading fitness centers in Phoenix, AZ very seriously.  In each of our 17 health and fitness centers, our staff genuinely cares about the experience of our Members.  Our downtown Phoenix location is designed for Members who work or live in the area and offers variety of amenities such as group fitness classes, cardio equipment with personal entertainment systems, full service locker rooms with free towel service and more.  To see what our downtown Phoenix 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.  Work in the area?  We also offer corporate fitness club memberships which save employees up to 20% off their membership. 

Ready to Experience the Mountainside Way? Download a 7-day free trial pass and don’t forget to check out our group exercise classes schedule and our personal training programs.

Club amenities

  • 10,000 lbs of Free Weights
  • Cardio Equipment with Entertainment Systems
  • Complimentary Fitness Consultation
  • Fitness 101 Classes
  • Free Towel Service
  • Free WiFi throughout the Club
  • Full Service Locker Rooms
  • Group Fitness Classes included in your membership
  • MCafé Smoothie Bar
  • Specialized Cycle Studio, Group X & TRX
  • Steam Room
  • Variety of Strength Equipment

Additional SERVICES

  • Executive Lockers
  • Personal Training

What Our Members Are Saying

Read Kristin P.'s review of Mountainside Fitness on Yelp