Gyms and fitness in Sioux Falls: the credential is private, the contract is the product

Two things separate one gym on this list from another, and neither one is the equipment.

Nobody licenses a personal trainer here

South Dakota does not license personal trainers or fitness instructors. The Department of Health lists twenty licensed professions, and fitness is not among them. Certification comes from private organizations instead, and the industry benchmark is accreditation by the National Commission for Certifying Agencies, held by the long-established programs including NASM, ACE, ACSM and NSCA.

Two adjacent jobs are licensed. Athletic trainers hold a state license under SDCL 36-29, and dietitians and nutritionists under SDCL 36-10B. A gym staffing either one is offering something a state board has checked. A certification is a private credential, and the certifying bodies describe it that way themselves.

Where the record is

State licenses are public. The Board of Medical and Osteopathic Examiners runs a licensee lookup covering athletic trainers, and the Department of Health handles dietitians and nutritionists. A training certification has no state file behind it. What exists is the certifying organization's own registry, plus the NCCA's directory of accredited programs, which shows whether the acronym on the wall belongs to an accredited program at all.

The contract, not the tour

Membership terms are where fitness complaints concentrate: automatic renewal, cancellation by mail only, dues that keep running through a closure. The federal picture shifted recently. The FTC's "click to cancel" rule, which would have required canceling to be as easy as signing up, was vacated by the Eighth Circuit on July 8, 2025, six days before it was due to take effect, and that court covers South Dakota. The FTC restarted the rulemaking in January 2026, and the Restore Online Shoppers' Confidence Act still governs online sign-ups. In the meantime, the written agreement is the rule.

What the quoted price is not

A commercial gym membership in Sioux Falls carries the 4.2 percent state sales tax plus the city's 2 percent municipal sales tax. The city's separate 1 percent municipal gross receipts tax does not apply, because a state rule says a fitness club membership is not an admission to a place of amusement. Nonprofit membership organizations, the YMCA and YWCA among them, are exempt from sales tax on membership fees altogether.

General information, current as of August 2026. Rules and membership terms change; check with the board or the business.