ONYX RIVER NORTH

About

Located at 102 W Chicago Ave in the heart of River North, Onyx has established itself as a prominent destination for those seeking a modern approach to Pilates in Chicago. The studio is best known for its signature heated reformer classes, which offer a challenging, sweat-inducing workout that many regulars find both unique and highly motivating. With a focus on creating an energetic, club-like atmosphere, the studio utilizes moody lighting and curated playlists to help students push through their sessions, whether they are attending a strength-focused class or a more cardio-driven routine. The studio maintains a strong reputation, currently holding a 4.7/5 rating based on over 150 reviews. Many visitors highlight the welcoming nature of the staff and the supportive, knowledgeable instructors who are quick to offer modifications for different fitness levels. While the studio provides amenities such as lockers and showers to accommodate those heading to work or errands, the layout is designed to maximize space, creating a compact environment. For those looking to integrate a consistent, athletic-style Pilates practice into their weekly routine, Onyx offers a variety of class formats designed to leave participants feeling stronger and refreshed.

What clients say

Onyx is a popular Pilates studio in Chicago known for its high-energy, heated reformer classes and supportive instructors. While many clients praise the welcoming atmosphere and music, some experienced practitioners report concerns regarding equipment quality and limited instructor supervision.

Opening hours

Friday

6:30 AM–1 PM, 5–7 PM

Monday

6:30–9 AM, 4–7:30 PM

Sunday

8:30 AM–12 PM, 3:30–6 PM

Tuesday

6:30–9:30 AM, 4–7:30 PM

Saturday

8 AM–1:30 PM

Thursday

6:30–9:30 AM, 4–7:30 PM

Wednesday

6:30–9:30 AM, 4–7:30 PM

Contact

• 102 W Chicago Ave, Chicago, IL 60654
• (312) 248-8968
• www.onyxpilates.com