🏋️ Official Rankings

10 Best Gyms in Bethlehem, PA (August 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 August 2026.

Gyms ranked: 10
Average rating: 4.9★
Reviews analyzed: 1,129
Area codes: 610, 484

KSP Fitness

⭐ 5.0 · 180 reviews

1130 W Broad St, Bethlehem, PA 18018

Visit Website →+1484-554-9638

Hott Fitness Factory

⭐ 5.0 · 144 reviews

Town says Middletown above but address is Bethlehem, 2027 Willow Park Rd, Bethlehem, PA 18020

+1484-666-2144

Liven Up Fitness

⭐ 5.0 · 102 reviews

57 S Commerce Way #140, Bethlehem, PA 18017

Visit Website →+1610-686-8223

Muscle Inc. Gym

⭐ 4.9 · 114 reviews

1856 Stefko Blvd, Bethlehem, PA 18017

Visit Website →+1610-849-2284

Yogalab

⭐ 4.9 · 47 reviews

623 E Broad St, Bethlehem, PA 18018

Visit Website →+1484-641-8062

Main Street Gym

⭐ 4.8 · 105 reviews

910 Main St, Hellertown, PA 18055

Visit Website →+1610-838-2640

Boom Fit Strength Club

⭐ 5.0 · 27 reviews

2027 Willow Park Rd Unit C1, Bethlehem, PA 18020

Visit Website →+1484-634-6856

Powerhouse Gym

⭐ 4.6 · 377 reviews

2134 W Union Blvd, Bethlehem, PA 18018

Visit Website →+1610-419-9080

36E Fitness, LLC

⭐ 4.9 · 17 reviews

1450 Stefko Blvd, Bethlehem, PA 18017

Visit Website →+1610-756-7700

#10

Inner Strength Fitness & Yoga Studio

⭐ 4.9 · 16 reviews

2485 Willow Park Rd, Bethlehem, PA 18020

Visit Website →+1610-419-6133

Gyms listed here serve Bethlehem, Northampton County, and nearby ZIP codes including 16242, 18015, 18016, 18017, 18018, 18020, 18025.