Onyx Bar

Onyx Bar in Rome is best described from the basics: it is a smart-casual venue with a price of $40 per person and daily hours from 10:30 AM to 12 AM. Beyond those practical details, Pearl does not have information on a specific drinks program, menu format, awards, chef or bartender, seating layout, or hotel affiliation, so it should be planned as a direct Rome stop rather than a venue defined by specialties.

The clearest reason to consider Onyx Bar is convenience. The daily schedule gives it useful flexibility from late morning through midnight, the smart-casual dress code suggests a polished but not overly formal visit. For travelers comparing options in Rome, treat it as a practical place to include in a plan when the confirmed details, price, hours, dress code, fit what you need.

A smart-casual Rome stop with simple planning details

Choose Onyx Bar when the priority is an easy Rome venue with clear basic information. At $40 per person, it sits in a price range that makes most sense when you want a comfortable, planned stop rather than a completely spontaneous visit.

The most useful confirmed detail is the schedule: Onyx Bar is listed as open every day from 10:30 AM to 12 AM. That makes it flexible for a daytime stop, an early-evening visit, or a later visit before midnight. The dress code is smart casual, so plan for a neat appearance without assuming formal attire is required.

Use it as a Rome starting point, not the whole night

For a Rome trip, the safest way to use Onyx Bar is as a practical anchor within a broader plan rather than as the sole reason to structure an outing. Build the rest of the outing around your timing, Rome dining, or other Rome plans. Pearl's broader Rome coverage can help with that: see our full Rome bars guide, our full Rome restaurants guide, our full Rome hotels guide, our full Rome wineries guide, our full Rome experiences guide.

If plans may shift toward a different style of venue, keep a wider shortlist open across Rome. Quick reference: choose Onyx Bar for a smart-casual Rome stop with daily 10:30 AM to 12 AM hours and a $40-per-person price point, not for any award-led or signature-program claim.