Restaurants
Onyx Restaurant
Milwaukee, WI
About Onyx Restaurant
Onyx Restaurant is listed in the Restaurants category at 223 N Water St, Milwaukee, WI 53202-5771. Use the available contact details to confirm current services and visiting information. Business data: Overture Maps Foundation, release 2026-08-19.0. Contributors: BrightQuery, Overture, Overture-signals. Imported as an unclaimed listing; this is not an ownership verification.