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Mountainside Fitness

4.5

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Location details

4355 E Irma Ln, Phoenix, AZ, 85050, United States

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WeekdayScheduleStatus
Mon4:30 a.m. to 11:00 p.m.
Tue4:30 a.m. to 11:00 p.m.
Wed4:30 a.m. to 11:00 p.m.
Thu4:30 a.m. to 11:00 p.m.
Fri4:30 a.m. to 9:00 p.m.
Sat6:00 a.m. to 9:00 p.m.
Sun6:00 a.m. to 9:00 p.m.
4.5720 reviews
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K. K.'s profile image
K. K. 
rating
3 months ago

While it gets the job done on a basic level, there are things I don't understand about this place. Been a member for about 6 months now. Towels in the locker room never smell good. They stink! I just want to bring them some TIDE. Disgusting! The shower heads are mostly broken in every stall, and have been since I joined. The benches in the shower are about to fall apart. Don't even think about sitting on them. Equipment on the floor sits broken for weeks. Clients sit on their phones at the equipment and nothing is ... read more

Kylie C.'s profile image
Kylie C. 
rating
7 months ago

Horrible customer service from the manager at the front desk tonight 1/13 at 2030. On 1/12 I signed up for a 5 day free pass and used the pass at a different mountainside location. I had no issues and enjoyed my workout. I decided to try a location closer to my apartment tonight with my partner. Upon entering, the staff did not greet us and the front desk work sneered at me when she saw I had a 5 day pass not a membership, rude. Then, the manager on duty came over. The employee at the desk made me fill out paperwork for no ... read more

Dane H.'s profile image
Dane H. 
rating
7 months ago

I signed up for the 5 day free trial and was contacted by a staff member. They invited me to come activate the pass, work out and then discuss options. I sat and waited in the lobby while the representative ignored me and gossiped with a co-worker about another staff member. Finally I was told I needed to pay for a day pass because I was in somewhat of a hurry. Very weird experience and waste of my time. 

Haylee B.'s profile image
Haylee B. 
rating
9 months ago

I received my 5-day pass because I live out of state and am visiting a friend because I plan to move close by next month, so I thought I would check it out.. I got the 5-day pass no problem, got to the gym was greeted by staff who took my *out of state* id to get signed in, had no problems so I went about my workout. After I was headed out, I was told that before I leave I needed to talk to one of the other front desk workers to get my pass, which I had already received so I was a little confused. As soon as I walked over to... read more

Ethan B.'s profile image
Ethan B. 
rating
9 months ago

My experience started nicely, with the front staff being kind and attentive. Bailee was also very personable and gave me a tour, but unfortunately my experience went poorly from there. While there were plenty of great machines, the plate loaded machines had their weights scattered all around, forcing me to search through other machines for the weights I wanted. That should be an easy fix for staff though. Honestly, not a big deal as long as it gets improved. After my workout I went to the sales rep, Tatum, and she asked ... read more

Trisha F.'s profile image
Trisha F. 
rating
a year ago

Front desk - No issue, always greeting you politely as you walk in- I've been coming here since 2017 before I became a MOM. but M-KIDS (CHILDCARE) and their Staff needs training. 20 minutes into my cardio workout, they Text me For parent snuggles and interrupted my workout. When I got there, (NOTHING was going on) WEIRD - WHY DID THEY INTERRUPT my workout? The girl then said she has to write my son a first warning for making another kid upset & my son has to be sent home for the day "she said" oh where gonna hav... read more

Kelly D.'s profile image
Kelly D. 
rating
a year ago

Front desk - No issue, always greeting you politely as you walk in- I've been coming here since 2017 before I became a MOM. but M-KIDS (CHILDCARE) and their Staff needs training. 20 minutes into my cardio workout, they Text me For parent snuggles and interrupted my workout. When I got there, (NOTHING was going on) WEIRD - WHY DID THEY INTERRUPT my workout? The girl then said she has to write my son a first warning for making another kid upset & my son has to be sent home for the day "she said" oh where gonna hav... read more

Gary T.'s profile image
Gary T. 
rating
a year ago

The gym itself is very good. A few observations, however. 95% of all patrons have AirPods or some kind of headphones on. Why then are they piping in such horrible music? Did anyone ever think of a silent gym that would be a great advantage. Next, I don't find the locker room to be particularly neat or clean and too many of the showers too often have no soap and even a lack of water. I hope they could solve the locker room problem or I'll have to try another mountain side or another gym altogether. 

Jasmine V.'s profile image
Jasmine V. 
rating
a year ago

I want to start off this review with the good. The gym itself is clean and has such kind front desk staff. They were always willing to answer any questions I had. I also appreciated the wide variety of machines. Why I am giving this facility 1 star is due to the child care. It's makes me really sad to say that as I have told many friends about how amazing the childcare is here. It was until it wasn't. Yesterday July 22nd 2025 I walked into the childcare because the cameras were not working on the elliptical and I saw the w... read more

Frequently asked questions about Mountainside Fitness

How is Mountainside Fitness rated?

Mountainside Fitness has a 4.5 star rating with 720 reviews. 

When is Mountainside Fitness open?

Mountainside Fitness is open now. It will close at 9:00 p.m.