About Longmont Athletic Club

Longmont Athletic Club is a welcoming health club and tennis facility known for its friendly staff and old school gym vibe. It offers a full spectrum of equipment, including heavy free weights, a boxing ring, and an outdoor heated pool. The club features indoor tennis bubbles, clean locker rooms, and a sauna. Families also appreciate the exceptional swim instruction, making it a great choice for overall fitness and fun.

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Reviews for Longmont Athletic Club

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Jun 2026
This is the place for private swim lessons! Miss Kellyn is magical. Our child has a ton of sensory issues and Miss Kellyn just stays super calm and matter-of-fact. I couldn’t recommend her enough!
Mar 2024
I have been going to various gyms and always find myself coming back to Longmont Athletic Club. The staff is friendly, welcoming and have a very local vibe. They have great pickleball courts along with a lot of weights and machines. Pool and a full size basketball court. I highly recommend this place!
Dec 2023
I love the indoor tennis bubbles at LAC. The owners and most of the front desk staff are super friendly. Old school kind of gym feel. Locker rooms could probably use a little refresh but their fees are reasonable for what you get.

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Hours

Monday: 5AM - 10PM
Tuesday: 5AM - 10PM
Wednesday: 5AM - 10PM
Thursday: 5AM - 10PM
Friday: 5AM - 9PM
Saturday: 7AM - 7PM
Sunday: 7AM - 7PM

Tips

swimming pool sauna basketball court accepts credit cards good for kids private lot parking wheelchair accessible offers military discount open to all bike parking