For inquiries pertaining to ONYX Northfield, please utilize our contact info listed below on this page.
ONYX Health Club 24/7 is available to speak to you in person about your fitness related goals during business hours. You can also email us or follow ONYX on social media to stay up to date with the newest developments.
M-F: 8a – 5p
SAT: 8a – 12p
24/7 Gym Access