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24-Hour Gyms with Round-the-Clock Access in Denver, CO

9 of the 59 gyms we list in Denver have 24/7 member access.

This section features fitness clubs and gyms offering round-the-clock access for members. These locations allow you to train at any hour using a key card, key fob, or mobile entry system. Before visiting, note that staffing levels and amenity availability often vary outside regular operational hours.

  1. LoHi Athletic Club

    2010 W 30th Ave, Denver, CO 80211

    Sauna or steam24-hour accessGroup classes
    Call Website Directions

  2. 24 Hour Fitness

    720 S Colorado Blvd, Denver, CO 80246

    Sauna or steam24-hour accessGroup classes
    Call Website Directions

  3. 24 Hour Fitness

    4600 West 38th Avenue, Denver, CO 80212

    Sauna or steam24-hour accessGroup classes
    Call Website Directions

  4. 24 Hour Fitness

    4120 E. Alameda Avenue, Denver, CO 80246

    Sauna or steam24-hour accessGroup classes
    Call Website Directions

  5. Club Form Denver

    1125 17th St, Denver, CO 80202

    24-hour accessGroup classes
    Call Website Directions

  6. Project 13 Gyms-Denver

    1135 N Broadway, Denver, CO 80203-2123

    No contractGroup classes
    Call Website Directions

  7. EGYM Fitness Denver

    1920 17th St, Denver, CO 80202-6401

    No contract
    Call Website Directions

  8. CrossFit LoDo

    3821 Steele St, Denver, CO 80205-3600

    24-hour access
    Call Website Directions

  9. CrossFit LoDo

    2363 Blake St, Denver, CO 80205

    24-hour access
    Call Website Directions
Staffing notice: Overnight hours are typically unstaffed, requiring dedicated member key fobs or mobile app passes for door access.

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24-Hour Gyms with Round-the-Clock Access near Denver

Good to know

How do I access a 24-hour gym during overnight hours?

Members enter using a dedicated key fob, RFID card, or mobile app barcode at a secure perimeter reader. Guest entry and non-member access are strictly restricted during unstaffed overnight hours.

Are all gym amenities available 24 hours a day?

Main cardio and weight equipment remain accessible 24/7, but full-service amenities like pools, saunas, day care centers, and smoothie bars usually close overnight. Check individual club schedules for exact amenity cutoff times.

How much does a 24-hour gym membership cost?

Standard monthly dues range from $15 to $60 depending on the brand and location. Most chains also charge a one-time key fob fee of $10 to $30 upon enrollment, alongside a recurring annual facility fee of $39 to $49.