🏋️ Official Rankings
10 Best Gyms in Sioux City, IA (September 2026)
We compared 10 gyms serving Sioux City and Woodbury County, Iowa, and ranked the top providers by verified reviews, ratings, and local reputation — 2,101 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Beo Strength and Fitness, Home of CrossFit Beo. Updated for September 2026.
- Gyms ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 2,101
- Area code
- 712
Beo Strength and Fitness, Home of CrossFit Beo
⭐ 4.9 · 97 reviews
4101 War Eagle Dr Bldg B, Sioux City, IA 51109
Planet Fitness
⭐ 4.8 · 637 reviews
3025 Hamilton Blvd, Sioux City, IA 51104
Pureform Reformer Studio
⭐ 5.0 · 41 reviews
918 4th St, Sioux City, IA 51101
HOTWORX - Sioux City, IA
⭐ 4.9 · 71 reviews
5826 Sunnybrook Dr, Sioux City, IA 51106
Shawn Frankl's Big Iron Gym
⭐ 4.9 · 70 reviews
505 Chambers St, Sioux City, IA 51101
Gyms listed here serve Sioux City, Woodbury County, and nearby ZIP codes including 51101, 51102, 51103, 51104, 51105, 51106, 51107, 51108, 51109, 51110, 51111.