10 Best Gyms in Portsmouth, NH (September 2026)

Fuel Personal Training is a Portsmouth gym focused on personalized, coach-led fitness. It holds a 5-star rating across 102 reviews, reflecting consistent client satisfaction. It's a strong choice for anyone who wants structured, individualized training rather than a general open-floor gym experience.

Fuel Personal Training stands out for its dedicated personal training approach, making it a good fit for people who want accountability and guidance toward their goals. With 102 reviews and a perfect 5-star rating, it has built a solid reputation in the Portsmouth area. It suits beginners and experienced lifters alike who value hands-on coaching.

Fuel Personal Training is a standout option, especially for those seeking personalized coaching, backed by a 5-star rating across 102 reviews. Other well-regarded local gyms include On Target Fitness and F45 Training Portsmouth, both with large review counts, as well as Form and Grizzly Weightlifting for strength-focused training. The best choice depends on whether you prefer one-on-one coaching, group classes, or an open gym setting.

For a personal-training-focused experience, Fuel Personal Training is a great place to start, with strong reviews and a 5-star rating. If you prefer group workouts, F45 Training Portsmouth and Barre & Soul are popular options, while On Target Fitness offers a broadly praised general fitness experience. Consider visiting a few to see which format and atmosphere fits your routine.

Yes. Barre & Soul — Portsmouth offers barre classes and holds a 5-star rating across 84 reviews, while 3 Bridges Yoga provides yoga with a 4.9-star rating. These are good complements to a strength or personal-training program like Fuel Personal Training.

Grizzly Weightlifting and Form both focus on strength training and carry 5-star ratings. For those who want individualized strength coaching, Fuel Personal Training is also an excellent choice, offering guided, one-on-one sessions.