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.
Fri, 24th Apr 2026 - Sun, 12th Jul 2026
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Every Wednesday
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Every Thursday
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Every Friday
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Every Friday
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Every Sunday
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Every Monday
More info| 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 |
Address
O'Neill's St Mary Street, 85-87 St Mary Street, CF10 1DW
Area
City Centre
| Name | Type | Capacity Seated |
Capacity Standing |
Cost | Min spend Midweek* |
Min spend Weekend* |
|
|---|---|---|---|---|---|---|---|
| 0 | 0 | - | - | - | |||
* The minimum spends are a guideline only and vary according to the day and time of the year.
