🏋️ Official Rankings
10 Best Gyms in Somerville, MA (August 2026)
We compared 10 gyms serving Somerville and Middlesex County, Massachusetts, and ranked the top providers by verified reviews, ratings, and local reputation — 782 customer reviews in all.
The 10 listed below hold an average rating of 4.8 out of 5, led by Fly Together Fitness - Somerville. Updated for August 2026.
- Gyms ranked
- 10
- Average rating
- 4.8★
- Reviews analyzed
- 782
- Area codes
- 617, 781, 857
Fly Together Fitness - Somerville
⭐ 5.0 · 66 reviews
31 Woodbine St, Somerville, MA 02143
Brendan Kelley Fitness
⭐ 5.0 · 36 reviews
65 Otis St, Somerville, MA 02145
Republic Fitness
⭐ 4.8 · 141 reviews
393 Highland Ave, Somerville, MA 02143
Orangetheory Fitness
⭐ 4.7 · 192 reviews
383 Revolution Dr #1135, Somerville, MA 02145
Commonwealth CrossFit
⭐ 4.7 · 115 reviews
630 Somerville Ave, Somerville, MA 02143
F45 Training East Somerville
⭐ 4.7 · 52 reviews
443 McGrath Hwy, Somerville, MA 02143
Gyms in Somerville — FAQs
What are the best gyms in Somerville, MA?+
By verified reviews, highly rated fitness options serving Somerville include Fly Together Fitness, Republic Fitness, Rx Strength Training, and Commonwealth CrossFit. The best fit depends on whether you want strength training, CrossFit, or a boutique studio.
How do I pick the right gym in Somerville?+
Think about what you'll actually use — weights, cardio, classes, or coaching — then compare local options on verified reviews and visit for a trial. Somerville has options from Republic Fitness to Commonwealth CrossFit, so match the atmosphere to your goals.
Are there strength and CrossFit gyms in Somerville, MA?+
Yes — Somerville has strength- and CrossFit-focused options including Rx Strength Training and Commonwealth CrossFit, alongside boutique studios like Fly Together Fitness. Ask each about trial classes and coaching when comparing.
What areas do Somerville gyms serve?+
Somerville is in Middlesex County and uses the 617, 781, and 857 area codes. Somerville gyms draw members from across the city's squares and neighboring Cambridge and Medford.
Gyms listed here serve Somerville, Middlesex County, and nearby ZIP codes including 02143, 02144, 02145.