.png)
New to ONYX?
Get started with our New Member Special: 2 sessions for just $40. Available exclusively to local residents*.
You must live or work within three miles of our River North location. Proof of residency or employment is required.
FIND A CLASS
🚨 Classes are displayed in your local time zone. This location is in Central Time Zone.
River North
102 W Chicago Ave
Chicago, IL 60654
Bringing the heat to Chicago’s River North neighborhood, our original heated reformer studio brings the heat! Located on the corner of N Clark St and Chicago Ave.
Ammenties
Grooming Products
All the toiletries you need, including shampoo, conditioner, body wash, lotion, tampons, and deodorant.
​
Cold Eucalyptus Infused Towels
Refresh after a hot workout with a complimentary cold eucalyptus towel.
Complimentary Towels
Mini towels for class and oversized towels for showers after class.
Restrooms
Fully functioning ADA-accessible restrooms
​
Lockers
Secure lockers to keep your items safe and secure.
​
Hot Showers
Secure high-pressure private showers.
(312) 248-8968
MEMBERSHIPS
Commit to wellness with an ONYX monthly recurring membership. ​​​
All memberships are auto-charged monthly until canceled.
UNLIMITED
Unlimited monthly class credits — as low as $15 per class.**
**based on 14 visits per month with the commit 12 membership. Limited to one booking per day.
***One-month commitment. 30-day notice required to cancel
$209
/mo
$212
/mo
$259
/mo
MONTHLY
Cancel anytime**
COMMIT 6
SAVE 10%
6-month commitment
COMMIT 12
SAVE 20%
12-month commitment
Plus taxes and fees
Plus taxes and fees
Plus taxes and fees
8 CLASSES
Unlimited monthly class credits — as low as $21 per class.**
**based on 8 visits per month with the commit 12 membership. Limited to one booking per day.
***One-month commitment. 30-day notice required to cancel
​
COMMIT 12
SAVE 20%
12-month commitment
$167
/mo
Plus taxes and fees
COMMIT 6
SAVE 10%
6-month commitment
$188
/mo
Plus taxes and fees
MONTHLY
Cancel anytime**
$209
/mo
Plus taxes and fees
4 CLASSES
Unlimited monthly class credits — as low as $26 per class.**
**based on 4 visits per month with the commit 12 membership. Limited to one booking per day.
***Cancel anytime with 30-day noitce after completion of the first billing cycle
MONTHLY
Cancel anytime**
COMMIT 6
SAVE 10%
6-month commitment
COMMIT 12
SAVE 20%
12-month commitment
$106
/mo
$119
/mo
$132
/mo
Plus taxes and fees
Plus taxes and fees
Plus taxes and fees
CLASS PACKS
ONYX at your own pace with our pay-as-you-go packs.
5 Class Pack
Expires 45 days after purchase.
10 Class Pack
Expires 60 days after purchase.
5 Class Pack
OFF-PEAK
Expires 45 days after purchase.
Access to off-peak classes only.
$169
$150
$300
All class pack sales are final and are non-transferable and non-refundable
Plus taxes and fees.
Plus taxes and fees.
Plus taxes and fees.