🏋️ Official Rankings
10 Best Gyms in Seabrook, NH (September 2026)
We compared 10 gyms serving Seabrook and Rockingham County, New Hampshire, and ranked the top providers by verified reviews, ratings, and local reputation — 795 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by 9Round Kickboxing Fitness. Updated for September 2026.
- Gyms ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 795
- Area codes
- 603, 978
⭐ 5.0 · 44 reviews
570 Lafayette Rd Ste 803, Seabrook, NH 03874
⭐ 4.9 · 59 reviews
920 Lafayette Rd #103, Seabrook, NH 03874
⭐ 4.9 · 43 reviews
270 Lafayette Rd Unit 12, Seabrook, NH 03874
⭐ 5.0 · 26 reviews
570 Lafayette Rd Ste 803, Seabrook, NH 03874
⭐ 4.8 · 62 reviews
5 The Provident Way, Seabrook, NH 03874
⭐ 5.0 · 17 reviews
920 Lafayette Rd Unit 5, suite 204A, Seabrook, NH 03874
⭐ 4.6 · 445 reviews
325 Lafayette Rd, Seabrook, NH 03874
⭐ 4.6 · 79 reviews
270 Lafayette Rd #14, Seabrook, NH 03874
⭐ 5.0 · 3 reviews
920 Lafayette Rd #203, Seabrook, NH 03874
Gyms listed here serve Seabrook, Rockingham County, and nearby ZIP codes including 03874.