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New Yorkers 1st Choice
Guide to Saint Charles

Gyms

A workout space that provides the equipment you need without the overwhelming crowds or aggressive atmosphere.

Based on 456 Opinions
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Updated May 2026
01
Burn Boot Camp image 1
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Gym offers supportive community and a non-judgmental atmosphere that keeps energy positive. Workouts are effective and schedule fits well, providing great value. Childcare services add convenience for parents, making fitness accessible.

Consistent attendance feels natural here because of the gym's effective workouts and schedule that fits well. It offers more value than expected for the money spent.

People are saying

"The gym community here makes you feel so welcome and supported."

"It's so Kid Friendly; the staff knew my son by name quickly."

"The personal training community here is so supportive and encouraging."

Good to know

1

Burn Boot Camp sessions last 45 minutes and provide an effective workout.

2

Membership includes unlimited access and 1:1 focus meetings with trainers.

3

Child watch is available, allowing parents to bring their kids while they work out.

02
Climb So iLL at the Steel Shop image 1

Old powerplant turned climbing gym offers historic architecture and natural light. Features strong boulder section and many lead and top rope routes. Includes yoga and fitness classes with thorough instruction and a relaxed, safe atmosphere.

Offers many lead and top rope options and a strong boulder section. Membership includes yoga, fitness classes, and access to two gyms with thorough instruction and safety protocols.

People are saying

"The climbing here is really fun and offers great variety."

"The bouldering routes are creative, clearly defined, and fun to figure out."

"The staff at this gym are so nice and friendly."

Good to know

1

Membership costs $75 a month, including access to yoga and fitness classes.

2

Reservations are required for the Gravity Lab on Tuesdays to avoid being turned away.

3

All top rope and lead tests must be completed within 15 minutes of arrival.

03
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Personal trainer

Facility offers personalized training in small groups, mostly women of all ages. Workouts are intense and effective with a positive atmosphere. Support includes dietary plans and coaching to boost health and long-term goals.

Challenges and support combine to create a positive and uplifting atmosphere. Meal plans, motivational messages, and habit guidance help with health improvements inside and outside the gym.

People are saying

"Coach T genuinely cares and pushes you to hit your weight lifting gym goals."

"This gym's coaches push you to be better and genuinely care."

Good to know

1

Unleashed Fitness offers personalized training sessions tailored to individual goals.

2

The gym maintains a clean and well-kept environment for all members.

3

Small group sessions create a welcoming atmosphere for women of all ages.

04
F45 Training Northwest St. Charles image 1

Gym features high intensity and functional training in a clean space. Classes are fast-paced with motivating music. Friendly crowd creates a family-like yet competitive vibe.

Cleanliness and a vibrant atmosphere stand out. The gym offers a family-like environment that balances competitive workouts with functional movements to boost performance and prevent injuries.

People are saying

"I always leave this weight lifting gym feeling like I got a great workout."

"The Gyms here are challenging and push you."

Good to know

1

The 45-minute workouts are efficient and designed for all fitness levels.

2

Classes are dynamic, with a mix of cardio and strength training each week.

3

The gym maintains a clean and organized environment for all participants.

05
G T Performance Gymnastics Training Center image 1

Family-run gym blends team-building events with top-level training for girls up to level 10. Coaches prioritize mental health and safety, fostering growth and strong friendships. Facilities include a viewing balcony for a great spectator experience.

A family-run gym offers a safe space where girls train from recreational to level 10. It balances high-quality, competitive training with a fun atmosphere that builds strong character and friendships.

People are saying

"It's so Kid Friendly; my daughter's confidence and skills grew rapidly."

"It feels like a second home, this family-run gym."

Good to know

1

G T Performance Gymnastics Training Center offers lessons for all ages, from toddlers to elite gymnasts.

2

Summer camps at G T Performance Gymnastics Training Center provide a fun experience for kids.

3

The gym emphasizes safety and mental health alongside gymnastics training.

06
UnCharted CrossFit image 1

Huge gym space offers a family-friendly vibe with members of all ages. Clean, well-organized equipment supports large classes. Good music and a welcoming atmosphere create an inclusive community feel.

Space feels open and clean with a well-organized setup. People of all ages and backgrounds create a friendly, family-friendly vibe with good music playing.

People are saying

"The coaches at this CrossFit Gym really cheer you on and push you."

"The coaches at this weight lifting gym are so supportive and push you."

"The coaches at this gym are supportive, knowledgeable, and motivating."

Good to know

1

UnCharted CrossFit welcomes all skill levels, from beginners to advanced competitors.

2

The coaching staff is highly skilled and supportive.

3

The facility is spacious and well-equipped for large classes.

07
barre3 image 1

Open, airy studio offers a clean, bright space with well-organized equipment. Classes blend low-impact movements with yoga, dance, and strength training for a full-body workout. Frequent gym-goers appreciate the comfortable atmosphere and welcoming vibe.

Comfortable atmosphere and a sense of confidence stand out here. Frequent gym-goers find it welcoming even when already active 2-3 times a week.

People are saying

"The workouts here are so fun!"

"I felt so comfortable and confident here."

"The people at these gyms are so friendly and welcoming."

Good to know

1

Barre3 offers a free introductory class for first-time visitors.

2

Childcare is available for select classes, making it convenient for parents.

3

Classes vary in style, including yoga, dance, and strength training.

08
St. Charles MMA and BJJ image 1
Martial arts school

Old school chill vibe meets top-notch coaching in a gym that values clean mats and safety. Friendly atmosphere welcomes all skill levels, with training staff energized across multiple martial arts. Honesty and hygiene keep skin infections at bay.

Excellent fighters and coaches lead training sessions in a gym that values honesty, cleanliness, and actual instruction. Mats get cleaned after every practice, preventing skin infections common in less careful gyms.

People are saying

"This gym has an unmatched training staff and friendly atmosphere."

"This martial arts gym is the best I've found in the area."

Good to know

1

The gym offers classes in Jiu Jitsu, MMA, Kickboxing, and Boxing.

2

You can start a 7-day trial immediately upon visiting.

3

The gym cleans the mats after every practice.

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Saint Charles, Missouri

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