Muscle Inc. Gym
About Muscle Inc. Gym
Gym on Stefko Boulevard in Bethlehem with a restroom on site and a wheelchair-accessible entrance, parking, and restroom.
Why We Recommend Them
4.9 stars across more than 110 reviews, at a Stefko Boulevard address that is easy to reach from most of Bethlehem.
Google Rating
4.9 / 5
Reviews
115
City
Bethlehem
Hours & What to Expect at Muscle Inc. Gym
Verified against Google business data on October 1, 2026. Hours can change on holidays — call ahead if you are making a special trip.
Opening Hours
| Monday | 5:00 AM – 10:00 PM |
|---|---|
| Tuesday | 5:00 AM – 10:00 PM |
| Wednesday | 5:00 AM – 10:00 PM |
| Thursday | 5:00 AM – 10:00 PM |
| Friday | 5:00 AM – 10:00 PM |
| Saturday | 7:00 AM – 6:00 PM |
| Sunday | 7:00 AM – 6:00 PM |
Services & Amenities
- Restroom
Accessibility
- Wheelchair-accessible entrance
- Wheelchair-accessible parking
- Wheelchair-accessible restroom
Payment
- Credit cards
- Debit cards
- Contactless payments
What People Are Saying About Muscle Inc. Gym
“This is a really great gym and I’ve enjoyed everything about it throughout my membership. That said, there are now too many people for the size of this gym, and it will only get worse. I imagine in a few weeks to a month it will be a nightmare and probably not worth the hassle to train here, solely due to the number of people. I think most members wouldn’t mind a slight price increase to slow the massive influx of new sign ups. For the owners, I am sure the volume is profitable in the short term, but if the experience deteriorates for everyone, retention surely drops.”
Jack Bowman
4 months ago
“I've been to several gyms in the Easton/Bethlehem area, this is by far hands down the best gym in the Lehigh Valley!! Gym is very clean in general, every single employee is incredibly nice, front desk people are awesome, equipment is next level and is incredible, you can truly tell how much the owner cares about his gym. The atmosphere is great too, everyone is generally very respectful, and great vibes. I definitely would give them 5 stars any day! But one slight grip, is that the women's bathroom can sometimes get messy and a little gross, but then again I go during high traffic times. I genuinely think that the women not the employees are the issue. As a suggestion, maybe just check the bathrooms more during high peak hours. Otherwise keep up the grind, I appreciate you, you gym, and all your employees!”
Morgan Larsen
6 months ago
“Overall, Great Gym ‼️ 💯 recommend. Easily the best in the area. The New Tech Machines are outstanding, very modular and versatile. Also, staff is super helpful and the gym has all kinds of promotions and engagement, they are building a real feeling of community. Constructive feedback: 1️⃣The showers could use a good power wash and bleaching more often 2️⃣ The music doesn’t need to be Club Level ( so loud you can hear it through noise canceling earbuds 😝).”
B.Carmine Medici (B.C.)
a year ago
“One of the best gyms I have ever been too! the machines are amazing!! They have protein shakes, prepped meals, delicious protein puddings (variety of flavors) gym merch and pre-workouts for sell. The gym has it all. Friendly staff and owners!”
Sonny Ordonez
a year ago
“This is THE gym. Bobby and Guy run Muscle Inc. like pros... because they are pros. They both achieved professional status within the prestigious IFBB. They care deeply about every detail. The gym is spotless, thoughtfully laid out, and full of equipment you won’t find anywhere else. The fridges are always stocked with healthy fuel (my favorite being Pereira’s Nutrition) and the posing room features a breathtaking mural that pays tribute to a bodybuilding legend and wonderful human being that we lost way too soon (RIP Flexatron). The atmosphere? Incredibly motivating. You’ll feel it the moment you walk in. Have a hard set coming up or feeling like your CBum hasnt kicked in yet? Good, look at one of the screens and you’ll see one of our own grinding it out, or on a special day, you may see an IFBB pro, like my friend and inspiration, Brandon Mauro, getting after it right next to you. Training here doesn’t just motivate you… it makes you better, and I'm not convinced it's possible to have a BAD workout at this gym. The staff? Wonderful. Dawn, Konnor, Maria go above and beyond the call of duty to make sure each member is greeted, the gym is spotless, and the operation is run without a hiccup. They do this while having a smile on their faces. What really makes Muscle Inc. shine the brightest? The culture/community. The events Muscle Inc. hosts for the public (welcomes members of other gyms), like the most recent visit from Mr. Olympias Jay Cutler and Flex Lewis (both traveled long distances) shows their commitment to the community and the sport.. this DOES NOT happen without Bobby and Guy) I’m proud to call Muscle Inc. HOME. If you're in the Lehigh Valley, stop in for a day pass, do your warmup, and tell me you don’t feel the difference. Huge thanks to Gaetano and Bobby for creating something this area has needed for far too long. 💪🔥”
Chris Caputo
a year ago
Reviews sourced from Google