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24-Hour Gyms with Round-the-Clock Access in Lewisville, TX

3 of the 9 gyms we list in Lewisville 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. 24 Hour Fitness

    4866 State Highway 121, Lewisville, TX 75056-2915

    Sauna or steam24-hour accessGroup classes
    Call Website Directions

  2. FLEX Fitness

    4920 State Highway 121, Lewisville, TX 75056-2932

    Mon-Thu 5am-6:30pm, Fri 5am-1pm, Sat 8:30am-11am

    No contractGroup classes
    Call Website Directions

  3. Camp Gladiator Castle Hills Lake Avalon Park

    2540 King Arthur Blvd, Lewisville, TX 75056-5512

    24-hour accessGroup classes
    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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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.