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24-Hour Gyms in Sioux City, IA

5 of the 6 gyms we list in Sioux City have 24-hour access.

A "24 hours" badge on a map listing doesn't say whether that means a staffed front desk around the clock or just keyfob access after the trainers go home — a difference you only discover at the door. Every 24-hour gym listed here has that access confirmed from the gym's own posted hours or membership page.

  1. Four Seasons Health Club

    2600 Pierce St, Sioux City, IA 51104

    Childcare / kids clubSwimming poolSauna or steam24-hour accessGroup classes
    Call Website Directions

  2. 712 FIT

    901 5th St, Sioux City, IA 51101-1801

    24-hour accessGroup classes
    Call Website Directions

  3. Anytime Fitness

    4700 Morningside Ave, Sioux City, IA 51106-3020

    24-hour access
    Call Website Directions

  4. Anytime Fitness

    3023 Hamilton Blvd, Sioux City, IA 51104

    24-hour access
    Call Website Directions

  5. Grind Fitness

    1922 Geneva St, Sioux City, IA 51103

    24-hour access
    Call Website Directions
Get your keyfob or access code set up during staffed hours. Most 24-hour gyms only issue fobs or door codes at the front desk during normal business hours, so signing up at 11 p.m. usually means waiting until morning to actually get in.

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Good to know

Are there gyms open 24 hours near me?

Yes — many regional and national chains keep at least one location per metro area open around the clock, usually with keyfob entry after staffed hours end. Independent gyms less commonly offer true 24/7 access since it requires either overnight staff or a secure unstaffed entry system.

Is a 24-hour gym staffed all night?

Usually not. Most 24-hour gyms have staff on-site during peak hours — mornings, evenings, weekends — and switch to unstaffed keyfob-only access overnight, with cameras and emergency call buttons standing in for a front desk.