🏋️ Official Rankings
10 Best Gyms in Bethlehem, PA (September 2026)
We compared 10 gyms serving Bethlehem and Northampton County, Pennsylvania, and ranked the top providers by verified reviews, ratings, and local reputation — 1,129 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by KSP Fitness. Updated for September 2026.
- Gyms ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 1,129
- Area codes
- 610, 484
⭐ 5.0 · 144 reviews
Town says Middletown above but address is Bethlehem, 2027 Willow Park Rd, Bethlehem, PA 18020
⭐ 5.0 · 102 reviews
57 S Commerce Way #140, Bethlehem, PA 18017
⭐ 4.9 · 114 reviews
1856 Stefko Blvd, Bethlehem, PA 18017
⭐ 5.0 · 27 reviews
2027 Willow Park Rd Unit C1, Bethlehem, PA 18020
⭐ 4.6 · 377 reviews
2134 W Union Blvd, Bethlehem, PA 18018
⭐ 4.9 · 17 reviews
1450 Stefko Blvd, Bethlehem, PA 18017
⭐ 4.9 · 16 reviews
2485 Willow Park Rd, Bethlehem, PA 18020
Gyms listed here serve Bethlehem, Northampton County, and nearby ZIP codes including 16242, 18015, 18016, 18017, 18018, 18020, 18025.