Contact & Location

Address
2485 Willow Park Rd, Bethlehem, PA 18020, USA

Opening Hours

Sun
08:45–11:30
Mon
06:00–07:00
Mon
09:00–11:00
Mon
16:30–19:30
Tue
06:00–07:00
Tue
08:30–12:30
Tue
17:00–19:30
Wed
06:00–07:00
Wed
08:30–11:00
Wed
16:30–19:30
Thu
06:00–07:00
Thu
08:30–11:30
Thu
16:45–19:30
Fri
06:00–07:00
Fri
08:15–13:00
Fri
17:15–18:30
Sat
08:00–11:00

About

is a fitness facility located at 2485 Willow Park Rd, Bethlehem, PA 18020, USA.

Location

is located at 2485 Willow Park Rd, Bethlehem, PA 18020, USA. Find it on Google Maps using coordinates -75.3332858, 40.6512106.

Opening Hours

DayOpenClose
Sun08:4511:30
Mon06:0007:00
Mon09:0011:00
Mon16:3019:30
Tue06:0007:00
Tue08:3012:30
Tue17:0019:30
Wed06:0007:00
Wed08:3011:00
Wed16:3019:30
Thu06:0007:00
Thu08:3011:30
Thu16:4519:30
Fri06:0007:00
Fri08:1513:00
Fri17:1518:30
Sat08:0011:00

What Our Members Say

5.0
Based on 15 reviews
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+11
Powered by Google Updated Apr 2026
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Kimberly Ujvary
9 years ago

I joined ISFS in January 2015 when a friend suggested we do a weight loss challenge. I didn't realize everything I would get out of this new adventure in my life! ISFS is not just a fitness studio, it is a place for al...

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Sharon Scheirer
4 months ago

I have been a member here for almost 2 years, and I must say this place is the best! No class is ever the same. There is absolutely no judgement. The owner keeps switching things up, offering new classes, special progr...

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Gabriela Powers
3 years ago

Love it here! So many options for classes and so many different times. They have Zumba, yoga, cardio kickboxing, barre, Pilates and so much more I haven’t tried yet. I’ve been going for 6 months now and I’m excited to ha...

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Mandy Webber
3 years ago

I have been going to Inner Strength for years and I LOVE it! I've never been to a fitness studio where everyone is so positive and motivating. Another thing I love is the variety of classes they offer. There is something...

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Sonya Sanchez
a year ago

“The studio offers a wide range of class formats, with highly skilled instructors and an overall positive, energetic atmosphere.”