O'Neill's St Mary Street


O'Neill's is the Cardiff bar mixing quality food with live music. Split across two floors and just a short walk from Cardiff stadium, O’Neill’s the perfect live sports venue. There are numerous TVs and a function room for bigger parties. Join them on International Rugby Day to experience the best atmosphere.

You'll always find a warm welcome; this is the place where you can enjoy the craic whether you fancy a few rounds with friends or a spot of lunch with colleagues. They have live music from local talent every weekend that will be sure to lift your spirits, plus, a resident DJ who plays great tunes throughout the night.

What's on

Dance Classics DJ
🎉 Get ready to light up your Friday nights with DJ Simon Joy at O'Neill's St Mary Street! 🎉 Every Friday from 10pm-1am, join the legendary…

Every Friday

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  • Happily Affordable ££
  • Taking Bookings
  • Dance floor
  • Wheelchair Access, Disabled Toilets


Day Open Close Notes
Monday 12:00 23:00
Tuesday 12:00 23:00
Wednesday 12:00 23:00
Thursday 12:00 23:00
Friday 10:00 1:00
Saturday 10:00 1:00
Sunday 10:00 23:00



O'Neill's St Mary Street, 85-87 St Mary Street, CF10 1DW


City Centre


  • Cuisines

    This venue serves Pub Food, Burgers and Pizza food.

Private Hire

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Cost Min spend
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* The minimum spends are a guideline only and vary according to the day and time of the year.

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