Kerry O.
11/4/2025
Excellent childcare service! My boys love coming here everyday and I always feel safe leaving them in there. all the child care attendants are so nice and London is our FAVORITE!
Mountainside Fitness
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(224)
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15455 W Bell Rd
Surprise, AZ 85374
Mountainside Fitness Surprise At Mountainside Fitness, we take our reputation as being one of the leading gyms in Surprise, AZ very seriously. In each of our 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 Surprise, 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.
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Reviews
4.0224 reviews
Dave H.
10/15/2025
I was a member of 24-Hr Fitness in San Diego before moving to AZ a few years ago. I shopped around for gyms until finding this one. I had a 1-day trial and was convinced this was a great gym. The...
Rachel J.
8/6/2025
The only incentive for working out here is the childcare they offer. All of the machines are very old and it's not very big. Most of what they have is very outdated or the equipment doesn't work...
Brian M.
2/1/2025
Great Sport Cycle class this morning with instructor Megan. The room is a little tight with the number of bikes but overall it's a very good class. This class has been fully booked so recommend...
Jonathan H.
9/14/2025
I've been going to this gym since I was 9. After going to the daycare center for years, I grandfathered into the gym when I was 12 and got a free gym membership for the whole life for free. I've...
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