🏋️ Official Rankings
10 Best Gyms in Saint Charles, MO (September 2026)
We compared 10 gyms serving Saint Charles and Saint Charles County, Missouri, and ranked the top providers by verified reviews, ratings, and local reputation — 1,063 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by barre3. Updated for September 2026.
- Gyms ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 1,063
- Area codes
- 636, 314
⭐ 5.0 · 75 reviews
3731 Elm St, St Charles, MO 63301
⭐ 4.9 · 133 reviews
1588 Country Club Plaza Dr, St Charles, MO 63303
⭐ 4.9 · 82 reviews
1450 Beale St Unit 140, St Charles, MO 63303
⭐ 5.0 · 44 reviews
1112 1st Capitol Dr, St Charles, MO 63301
⭐ 4.8 · 293 reviews
650 N Main Center Ste 105, St Charles, MO 63301
⭐ 4.9 · 66 reviews
920 Hemsath Rd #100, St Charles, MO 63303
⭐ 5.0 · 34 reviews
1735 S River Rd Ste 180, St Charles, MO 63303
Gyms listed here serve Saint Charles, Saint Charles County, and nearby ZIP codes including 63301, 63302, 63303, 63304.