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Mountainside Fitness Surprise is a top-rated gym located at 15455 W Bell Rd, Surprise, AZ. The gym features state-of-the-art equipment, an expansive workout space, and a variety of classes to cater to all fitness levels. The friendly and helpful staff, including standout members like Colleen and Rebekah, contribute to a welcoming atmosphere. Parents especially appreciate the exceptional childcare facilities, which allow them to focus on their workouts while knowing their children are well cared for.

The gym also offers personal training services, with trainers like Troy Sienkiewicz lauded for their dedication and effectiveness. Despite some concerns about overcrowding and occasional pushy sales tactics, the overall cleanliness and professionalism make Mountainside Fitness Surprise a favored choice for many fitness enthusiasts in the valley.

Pros:

  • Friendly and helpful staff.
  • Exceptional childcare facilities.
  • Variety of well-maintained equipment and classes.
  • Clean and spacious workout areas.
  • Personal trainers like Troy, who are highly recommended.
  • Great amenities, including a rock climbing wall and saunas.
  • Welcoming atmosphere for all fitness levels.
  • Convenient operating hours.
  • Well-organized and accommodating membership services.
  • Positive community feel and excellent customer service.

Cons:

  • Some concerns about overcrowding.
  • Occasional pushy sales tactics.
  • A few negative experiences with billing practices.

Location / Contact

Rating Stats

4.4

out of 5.0

13 reviews
5.0
1 reviews
4.0
3 reviews
3.0
3 reviews
2.0
100 reviews
1.0

Reviews (120)

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I have been a member for the past five years at mountainside fitness. I have had Troy Seinkiewicz as a personal trainer for the past four years. Troy is a wonderful personal trainer who takes the time to hear his clients. He is great at motivating and goes above and beyond. I have and would recommend him as a personal trainer. If you want accountability, someone who will write out workouts for you, review food intake, have you text him your calories everyday if you need the extra accountability.... what can I say he is a supportive trainer that really cares. I really enjoy this gym and the atmosphere of feeling at home.

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Joined MOUNTAINSIDE about six months ago because my family (wife and two boys 17 and 14) wanted to join a gym with basketball court. They talked to us ,gave a tour and we did family membership. I didn't go for the first two weeks. I used a treadmill but wanted to get more out of my membership as they had a ton of machines I had no clue on how to use. I did a fitness consultation with my wife to find out how out of shape I really was. We agreed to see a Personal trainer for 3 months. The name they gave us was Troy Sienkiewicz, good luck trying to say that. He is the best assets the fitness center has. I signed up for a 30 minutes once a week, and Troy will make you work all 30, and don't be late. We had amazing results, thanks to Troy. After three months I now have my two boys training with him (the 17 and 14 year old want to get stronger but also swell). Troy is always upbeat ,positive, and motivated. You may hate working out buy having Troy as a trainer will make you go back enjoy you membership more. If you want to join a gym, go to Mountainside Fitness and have Troy train you. You won't be sorry.

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Mountainside Fitness in Surprise is the best! I have been a member for 10 years and have never had a problem with any of the staff. The variety of classes good and the instructors are enthusiastic. I also have had personal training with Troy off and on. Everyone pushes you to your personal best. Completely happy with my experience!

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This gym is in a convenient location and was the only offering in Surprise for a long time. The prices are high for what is offered and the equipment is not very well maintained or clean. Bring your own wipes type of place or you will share the sweat of everyone from the day. And customer service here is touchy depending on who is at the counter. I would look around Surprise as there are much better options for better prices too.

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Compared to other gyms around here, this one is my favorite. Always clean. Staff is always friendly. My friend uses the childcare they offer and loves it.Definitely worth paying a little more for a great gym.

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Gym is far too expensive for what they offer. They've also just had a rate hike on all their members that will go into effect on May 1st. They cite the minimum wage increase which is laughable when they are opening a giant complex on Tempe River. Maybe if you didn't close at 9 on weekends and weren't constantly overcrowded the hike would be justified.Update 5/16/18 - The owner claims that there was no "rate hike" and so I have attached the email I received on April 17, 2017, that states that the amount I agreed to pay on a monthly would be raised by "$1.20" per month due to the minimum wage increase."Dear Mountainside Fitness Member,Thank you for being a loyal Member of Mountainside Fitness. Recently, we have completed a number of improvements; including adding new equipment to update our fitness centers. We sincerely hope you have enjoyed these additions. You are likely aware of the recent change in Arizona minimum wage (Prop 206), which increased our payroll costs 20%. Now we are left with the unfortunate decision to adjust our current rates.Effective May 1st, we will be updating our membership rate structure by $1.20 per month. We recognize that a rate increase is never a welcome change, however we believe it is necessary to maintain the high level of quality that we strive to provide.We thank you for your support of Mountainside Fitness and we appreciate your business.In Good Health,Mountainside Fitness

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My husband and I have been going here for 5 years. It’s very nice and very clean, staff is great. My review is because the child care hours keep getting cut and slowly less and less hours. But we are paying the same amount. That’s disappointing!!! If we are getting less hours than we originally signed up for then shouldn’t the price go down as well? Another thing too Is how EXTREMELY over crowded it always is. It’s one of the only gyms in Surprise so for now it’s our only option. But please look into the price and hours before signing up.

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Best gym in surprise. Hands down. I have been lifting for years, never had any issues, they fix equipment fast and the layout is perfect. Love the sauna and it seems every year they are upgrading an area to make it better. Zero complaints. Clean, friendly, not too expensive. I have lifted at eos, planet fitness, fitness 1, golds, ballys... mountainside has been the nicest out of any of the ones i have used, and the best part is the childcare is very clean and the people watching my kids are great! I reccomend this gym to any west siders.

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We have worked out at this gym for about a year now. I really love the staff. I mostly do group fitness. There are lots of different classes to choose from. There is everything from mind and body classes to high intensity cardio classes. The locker room is really nice. It has both wet and dry saunas, showers, free use lockers, and there is a place to get ready for the day. The child care is nice it has a bounce house, outdoor play, video games (in a separate area for older children) and movies, plus lot of toys for the little ones. I have seen the staff clean the toys regularly and there always seems to be enough staff to watch the kids. The only thing that keeps me from giving the gym 5 stars is the fact that the mind and body room is way to close to the other group fitness rooms and you can hear the music from the other classes in that room. It can be very distracting to hear loud music in the other room when you are trying to get your Zen on. If you are joining this gym for just mind and body I would recommend you looked for a pure mind and body studio. However, the awesome teachers (practical Nat Moore) almost make up for the music problem.

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Realistically, people usually only write a review after they had one lousy experience, simply forgetting all of the other memorable and great times. If it's not a bad review, then the guest must be anxious to promote the business in question. Any other reviewer (3 star range people), usually just have too much time on their hands. I happen to be the reviewer who had a fantastic time coming to this gym. Now of course when you go to Mountainside fitness you are bound to see a bunch of punk, pretty boys; the city is full of old people so the kids who aren't smoking pot are at the local gym getting ripped to feel as if they are their on-screen role-model. Aside from the punks who take 10-minute breaks at this gym on the bench because they are doing too much weight to begin with/talking with their friends, there are actually some pretty cool people here. You will feel comfort in joining this gym mainly because of the excellent staff. They always check you in and give you what has been lost in society; eye contact, as well as wishing you a great workout. The staff is always willing to educate newcomers on how to train and will work with you on your own fitness plan. If you want to go to a gym that has a staff that makes you feel as if you're at home, I'd definitely recommend this Surprise location of Mountainside to you.

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Frequently Asked Questions

Except the peak hours, this place remains quite free or moderately crowded.

This business has a rating of 4.4-star.

This business has 120 reviews.

The address is: 15455 W Bell Rd, Surprise, AZ 85374, United States .

The contact number is +1 623-889-0374

This service is listed under Gym .

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