5 Best Gyms in DUMBO, New York NY
Updated 29 September 2026 · 17 gyms in DUMBO, New York NY considered · Ranked from Google ratings
This guide lists five gyms and training spaces for people in and around DUMBO, New York NY, covering personal training, strength coaching, group classes and martial arts. Seventeen qualifying businesses were considered. They are ranked by Google rating weighted by how many people left one, so a high score backed by many reviews ranks above one from only a few. Each entry notes hours, address, listed features and what reviewers mention.
#1
ONEBELL FITNESS
★ 4.9 (440 Google reviews)Gym
Representative photo, not of this business.
ONEBELL FITNESS is at 640 Dean St in Brooklyn and identifies as Black-owned. It opens at 7 am on weekdays and from 9 am to 5 pm on weekends. Reviewers focus on personal training with methodical custom programs and trainers who explain every detail of form and safety. First-time gym members describe gaining confidence within a few months. Showers are listed, and membership and appointments are required.
Best for: Structured one-on-one personal training
- Address
- 640 Dean St, Brooklyn, NY 11238, United States
- Hours
- Fri 7 am–9 pm; Mon 7 am–9 pm; Sat 9 am–5 pm; Sun 9 am–5 pm; Thu 7 am–9 pm; Tue 7 am–9 pm; Wed 7 am–9 pm
#2
DISTRICT
★ 5 (113 Google reviews)Gym
Representative photo, not of this business.
DISTRICT is at 106 1st Pl in Brooklyn and is open daily from 5 am to 9 pm. Reviewers describe a well-designed, very clean space with new equipment, friendly staff who remember names, and good music. Personal training comes up often, and a Saturday Glutes and Abs class gets particular mention. Several members say they switched from crowded chain gyms. The entrance and toilet are wheelchair accessible.
Best for: Clean boutique gym with classes
- Address
- 106 1st Pl, Brooklyn, NY 11231, United States
- Hours
- daily 5 am–9 pm
#3
South Brooklyn Weightlifting Club
★ 4.9 (142 Google reviews)Personal trainer
Representative photo, not of this business.
South Brooklyn Weightlifting Club is at 267 Douglass St in Brooklyn, open weekday mornings and afternoons, Saturday mornings, and closed Sundays. Reviewers describe coached sessions where one or two coaches work with small groups on powerlifting or Olympic lifting programs, with attention to form. Newcomers say they felt welcomed without pressure. A sauna, showers, gender-neutral toilets and free street parking are listed.
Best for: Coached powerlifting and Olympic lifting
- Address
- 267 Douglass St #1, Brooklyn, NY 11217, United States
- Hours
- Fri 6:30 am–12:30 pm, 3–7 pm; Mon 6:30 am–12:30 pm, 3–8:30 pm; Sat 9 am–1 pm; Sun Closed; Thu 6:30 am–12:30 pm, 3–8:30 pm; Tue 6:30 am–12:30 pm, 3–8:30 pm; Wed 6:30 am–12:30 pm, 3–8:30 pm
#4
Re.FORM
★ 5 (105 Google reviews)Personal trainer
Representative photo, not of this business.
Re.FORM is at 534 Henry St in Brooklyn and is open daily from 5 am to 9 pm. It identifies as women-owned and lists online classes and outdoor services. Reviewers describe a clean, modern studio with well-kept equipment that works for solo workouts or sessions with a trainer. One couple trains together weekly and says no two sessions are the same. Others mention a friendly local community.
Best for: Solo workouts or partner training
- Address
- 534 Henry St, Brooklyn, NY 11231, United States
- Hours
- daily 5 am–9 pm
#5
Warriors Nation MMA
★ 5 (87 Google reviews)Martial arts school
Representative photo, not of this business.
Warriors Nation MMA is at 166 Water St in Brooklyn, open 7 am to 8 pm on weekdays with shorter weekend hours. Reviewers describe a gym built around full MMA training rather than jiu-jitsu alone, along with boxing instruction focused on technique. Visitors mention a free trial class with an accommodating instructor, clean facilities and welcoming coaches for beginners and experienced fighters. The entrance is wheelchair accessible.
Best for: MMA and boxing training
- Address
- 166 Water St, Brooklyn, NY 11201, United States
- Hours
- Fri 7 am–8 pm; Mon 7 am–8 pm; Sat 10 am–2 pm; Sun 12–2 pm; Thu 7 am–8 pm; Tue 7 am–8 pm; Wed 7 am–8 pm