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Picture of O'Neill's
Image posted by David Walton
Submitted on Friday, 28th November 2025
With picture contributions to 1656 other pubs
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O'Neill's, Cardiff

85-87 St. Mary Street
Cardiff
CF10 1DW
Phone: 02920664103
Correct details

Pub Type

O'Neill's (Mitchells & Butlers)

Served areas

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Reviews of O'Neill's (Average Rating: 5 of 10) Add Review see review guidelines

David Walton left this review about O'Neill's

Visited 28/11/25. Visited previously on 20/01/23.

No cask. Keg offering of Guinness, Black Heart & Punk IPA from BrewDog, Alpacalypse, Coors, Asahi, Peroni, Madri, Thatcher’s Gold, original & dark fruits SB, Mahou, Neck Oil, Magners, Carling, Inch's.

Quite large O'Neill's with the bar counter along the right-hand wall if you are entering from the St Mary's St side. Large tiled standing area in front of the bar counter. Drinking ledges with tall stools around the pillars around the bar counter. Some tall bench seating around that entrance with some booth tables on the walls opposite the bar counter. Venue opens a bit around the entrance on the other side but seating arrangements similar. There were a few TV screens showing sport above and around the bar servery plus in many other areas all with the sound turned off, that provided by a bingo card playlist of most well-known pop Xmas hits. I left after a pint of Guinness before I found whether it was played on a repeating loop.

On 7th December 2025 - rating: 5
[User has posted 897 recommendations about 891 pubs]


Please Note: This review is over a year old.


Pub SignMan left this review about O'Neill's

Wandering around Cardiff on a Sunday lunchtime, we decided to nurse our hangovers in any pub we could find that was showing the French Open tennis final. So when we walked into this O’Neill’s bar and saw lots of TV screens showing sports pundits chatting away, we thought we were onto a winner. Sadly, it was only after we’d bought our drinks and the punditry made way for action, that we discovered the sport in question wasn’t tennis, but hurling. This perhaps shouldn’t have come as a surprise, as the O’Neill’s chain is the faux Irish bar of choice up and down the country, and this place was more than happy to go along with all the usual Irish clichés, ranging from the music soundtrack to the countless pictures and photos of famous Irish people and places. The single L shaped room is actually quite pleasant in the daytime, with a spacious, bright layout, some smart floor tiling around the entrance and a good mix of comfortable seating throughout. We ended up staying in here for a couple of hours and found it was a pretty good place to relax, although I imagine things would have been very different if we’d called in the previous evening.
The real bonus is the inclusion of some real ale, with three hand pumps dispensing Sharps Doom Bar, Brains SA and Bath Gem. I’d like to say I tried them and found them in good shape, but the sore head coupled with the prospect of another night out that evening meant that I stuck to soft drinks in here.
It’s certainly a lot nicer than many O’Neill’s pubs I’ve been to previously, but it still lacks something character-wise that even the presence of proper beer couldn’t compensate for. It worked out well for us on our visit and I now know more than I’ll ever need to about hurling, but I doubt I’d return with other better pubs nearby.

On 2nd July 2013 - rating: 5
[User has posted 3387 recommendations about 3387 pubs]

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Pub location see interactive map of local area
Map location corrected by Pub SignMan
Cardiff Central, 0.23 miles, 4 min walk (show)
Cardiff Queen Street, 0.53 miles, 10 min walk (show)
Cathays, 0.92 miles, 17 min walk (show)
Latest updates View all updates for O'Neill's, Cardiff
7th Dec 2025, 19:52
Review submitted by David Walton
 
29th Nov 2025, 22:37
Picture submitted by David Walton approved

Pub Details

Pub details supplied by members of this site to the best of their knowledge. Please check with pub directly before making a special trip.

  • Bar Billiards : No last updated 06 August 2013 by Pub SignMan
  • Beer Garden : No last updated 06 August 2013 by Pub SignMan
  • Car Park : No last updated 06 August 2013 by Pub SignMan
  • Hot Food : Yes last updated 06 August 2013 by Pub SignMan
  • Live Music : Yes last updated 12 September 2016 by Pub SignMan
  • Live TV Sports : Yes last updated 06 August 2013 by Pub SignMan
  • Micropub : No last updated 12 September 2016 by Pub SignMan
  • Pinball : No last updated 06 August 2013 by Pub SignMan
  • Real Ale : Yes last updated 06 August 2013 by Pub SignMan
  • WiFi : Yes last updated 12 September 2016 by Pub SignMan
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