gyms near me » gyms in United States » gyms in Iowa » gyms in Waterloo Fitness Center River Plaza Athletic Club Get Directions Amenities 3.7 / 5 6 reviews Google Rating Read Reviews MapReviews3.710 West 4th Street, Waterloo Contact & Location Address 10 West 4th Street, Waterloo What Our Members Say 3.7 Based on 6 reviews Powered by Google Updated Sep 2025