Viking Fitness St. Clair 301 N. 9th Street St. Clair, MI 48079 Telephone: (810) 462-1239 Email: Click Here! Open 24-Hours | 7-Days A Week 14-DAY FREETRIAL PASS Register Now! First name Last name Email Phone Location Please, select one Viking Fitness - Marysville Viking Fitness - St. Clair I agree to receive my info by text message (required). SUMBIT *Local residents (must provide ID), first-time visitors, 18 years or older, 14-consecutive days, excludes classes.