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Kid friendly gyms in Longmont

Made for those who need to balance their own fitness routine with the necessity of keeping their children active.

Based on 567 Opinions
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Updated May 2026
01
Carbon Valley CrossFit - 24 Hour Gym image 1
Carbon Valley CrossFit - 24 Hour Gym image 2
Carbon Valley CrossFit - 24 Hour Gym image 3
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Spacious gym with 24/7 access and a wide variety of equipment supports diverse workouts like CrossFit and powerlifting. Friendly, family-oriented atmosphere welcomes all fitness levels and allows kids and dogs on site. Strong, supportive community creates an inclusive, motivating environment for progress.

Kids have a dedicated play area that keeps them safe and entertained. The gym welcomes families and makes working out with children easy and stress-free.

Strong community atmosphere and family-friendly environment stand out here. Coaches support fitness goals while allowing kids to stay safe during workouts.

People are saying

"This weight lifting gym has an amazing, supportive community for everyone."

"The coaches here make the gym feel so welcoming and supportive."

"It's so kid friendly, I can bring my little ones and they actually want to come."

Good to know

1

The gym operates 24 hours a day for flexible workout times.

2

Multiple payment options are available, including a 30-class punch pass.

3

The gym is family-friendly, making it easy to work out with kids.

02
Ark Ninja image 1
Fitness center

Facility offers state-of-the-art obstacles with a family-friendly, inclusive atmosphere that fosters confidence and growth. Coaches provide skilled, encouraging support while community members create a positive, welcoming vibe for all ages.

Obstacle sequences fit young kids and challenge pros. Kids and teens get tailored training with strong role models. Birthday parties happen here with lots of fun and skill-building.

Offers a unique ninja training experience unlike any other gym. Welcoming atmosphere makes everyone feel like family from the moment they enter.

People are saying

"The team here is amazing and makes it so kid friendly."

"The coaches here are super friendly and knowledgeable."

"I found the staff to be great and the facility to be cool."

Good to know

1

Ark Ninja hosts various events, including competitions and fundraisers throughout the year.

2

Parents' Night Out events last three hours, keeping kids engaged with activities.

3

The facility is clean and well-maintained, providing a safe environment for all ages.

03
Warrior Playground image 1

Facility offers elaborate obstacle courses and varied climbing and balancing features that challenge all ages. Atmosphere stays fun and energetic, with activities designed to keep kids engaged and active. Space feels clean and welcoming, supporting family-friendly events like birthday parties.

Kids enjoy climbing and swinging while building confidence and strength. Coaches show patience and care, keeping children engaged and excited during classes and open gym sessions.

Open gym sessions build kids' confidence and physical strength. Entry is quick, and the gym offers a lot for families with children.

People are saying

"The coaches were super friendly and kept the kids really engaged."

"This playground is great for birthday parties and the staff keeps kids engaged."

"Kids had a blast at this awesome gym for active children."

Good to know

1

Warrior Playground is a great venue for birthday parties and events.

2

The facility is clean and well-maintained for visitors.

3

Activities are available for kids of all ages and abilities.

04
Easton Training Center - Longmont image 1

Martial arts school offers supportive atmosphere with a healthily competitive and welcoming environment. Coaches provide excellent instruction and focus on both skill development and life lessons like discipline and respect. Classes engage both kids and adults in a safe, challenging, and fun setting.

Coaches provide attentive, kind, and firm guidance tailored to each child's needs. Kids train in a safe, challenging, and fun environment that builds strength, skill, and confidence.

Legit MMA gym with strong focus on Jiu-Jitsu and Muay Thai for both kids and adults. Instructors are awesome and supportive, creating a great learning environment.

People are saying

"This martial arts gym has a really welcoming and supportive community."

"The coaches here are amazing and really attentive to kids."

"The gym's coaches are so attentive and supportive."

Good to know

1

Classes are available for both kids and adults, catering to all skill levels.

2

The gym offers a safe and supportive environment for training.

3

Coaches provide personalized attention to kids who need extra help.

05
10th Planet Jiu Jitsu Longmont image 1

Martial arts school offers clean, state-of-the-art facility with top-tier coaching and a welcoming, supportive atmosphere. Training environment suits both beginners and experienced grapplers, fostering a family-friendly culture with no egos and strong community care.

Evening classes from 5 to 6 pm offer kids a focused activity away from screens. Coaches like Sheila and Sebastian tailor Jiu Jitsu lessons to each child's strengths, helping build confidence and skills. A female coach's strictness supports kids with ADHD effectively.

World class coaching leads training sessions focused on Jiu Jitsu. The gym maintains a clean, well put together environment with a strong, positive culture.

People are saying

"The coaches here are amazing and invested in helping everyone improve."

"You can't go wrong starting your Jiu Jitsu journey here."

"The coaches are patient and fun, making it really Kid Friendly."

Good to know

1

The gym is known for its clean facilities and well-maintained mats.

2

Coaching is provided by experienced black belts with diverse backgrounds.

3

The community is supportive and encourages newcomers to feel welcome.

06
Longmont Athletic Club image 1

Old school gym with well-maintained equipment and varied workout areas including an outdoor heated pool and indoor tennis bubbles. Atmosphere stays chill and motivating with a small town feel and serious, focused energy. Rarely crowded, it offers a relaxed experience without flashy gimmicks or influencer culture.

Private swim lessons focus on building confidence and comfort in the water for kids of all temperaments. The instructor uses patient, tailored teaching to help both cautious and adventurous children improve their swimming skills quickly.

Old school gym atmosphere stands out with no flashy gimmicks or influencer crowd. The space is super clean and well-equipped, fostering a strong community culture.

People are saying

"Kellyn's patient, personalized teaching made lessons fun and achievable."

"The gym has a great variety of well-maintained equipment."

"The sauna here gets super hot and is really satisfying."

Good to know

1

Free yoga classes are available for members on select days.

2

The gym requires a six-month membership costing $84.

3

The 12-day pass costs $20, ideal for students or newcomers.

07
Longmont Climbing Collective image 1

Climbing gym offers 60-foot walls indoors and outdoors with auto belays for solo climbing. Spacious layout supports bouldering and training areas including hang boards and retractable walls. Atmosphere stays welcoming and chill with a strong community vibe and diverse route options.

Kids enjoy the dedicated climbing area with beginner walls and fun features like a warped wall, slack-line, and slide. Classes like Mighty Monkeys introduce climbing in a way that keeps children engaged and eager to return.

Climbing options include bouldering, yoga classes, and a mini gym with a sauna. Staff stay friendly and maintain safety while letting climbers set their own pace. Merchandise is available on site.

People are saying

"The climbing gym has sky-high walls and fun routes."

"The rock climbing gym has such a great vibe and friendly staff."

"It's really Kid Friendly with great climbing programs for younger kids."

Good to know

1

Expect the gym to be crowded from 5 to 7 PM, especially on weekdays.

2

Parking can be difficult during peak hours due to high attendance.

3

Bring a towel for the sauna and cold plunge facilities.

08
Airborne image 1
Gymnastics center

Gymnastics center offers top-notch facilities and a variety of classes that adapt to changing interests. The atmosphere encourages kids to burn off energy and develop skills in a flexible, well-maintained environment. Camps and classes are easy to schedule and provide good value.

Coaches show strong care and knowledge about child development. Kids enjoy trampoline and tumbling classes and make friends while staying active and learning new skills.

Open gym sessions offer flexible workout options. The environment supports thriving both physically and mentally, with a focus on well-being and community.

People are saying

"The coaches here are amazing and so kind with the kids."

"The coaches here keep her engaged and thriving inside and out of the gym."

Good to know

1

Summer camps are flexible and easy to schedule, making them a good value.

2

They offer camps for three-year-olds, accommodating various age groups.

3

The facility is well-maintained and provides a great environment for kids.

09
City of Longmont Recreation Center image 1

Recreation center offers two full basketball courts, a large pool with slides and lazy river, and a hot tub with strong jets. Atmosphere feels welcoming and safe for children, with clean, modern, and well-maintained facilities. Variety of amenities includes a sauna, steam room, workout equipment, and a skate park outside.

Zero depth entry, lazy river, and a kid pool create a fun swim environment for children. The play area includes leap frog pads and crafts, with sitters engaging kids in activities and helping them adjust.

Equipment covers all needs with great gym equipment, indoor courts, and a pool. The gym and weight room stay very clean and the recently refinished gym floor looks gorgeous.

People are saying

"It's so Kid Friendly, the pool area is amazing for kids."

"The weight lifting gym has great equipment for all fitness levels."

"The childcare at this gym is amazing for getting me time."

Good to know

1

There is plenty of free parking available at the recreation center.

2

Prices for entry and membership are lower than other local options.

3

The facility includes a pool, gym equipment, and indoor courts.

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Longmont, Colorado

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