O'Neill's St. Mary Street Cardiff

O'Neill's St. Mary Street Cardiff O'Neill's is Cardiff's premier bar providing excellent quality meals with live music Irish Bar in the heart of Cardiff

Cocktails 2-4-£14.50 All Day today 🍸🍹Happy Hour 4-8pm 🍺🍺🍺🍺Meal & Drink offer from £9.50 12-6pmDJ K-Netik 6pm till late ...
06/08/2026

Cocktails 2-4-£14.50 All Day today 🍸🍹

Happy Hour 4-8pm 🍺🍺🍺🍺

Meal & Drink offer from £9.50 12-6pm

DJ K-Netik 6pm till late

Student & Industry discounts available with valid ID

05/08/2026
Celtic vs Dundee Tonight from 7pm shown on all screens with Commentary, happy hour available from 4pm - 8pm
03/08/2026

Celtic vs Dundee Tonight from 7pm shown on all screens with Commentary, happy hour available from 4pm - 8pm

03/08/2026

Looking for the perfect place to celebrate? 🎉At O’Neill’s, the good vibes never stop! Whether you're planning a night ou...
03/08/2026

Looking for the perfect place to celebrate? 🎉
At O’Neill’s, the good vibes never stop! Whether you're planning a night out with friends or just want to enjoy an unforgettable atmosphere, we’ve got you covered!! 🤩

🍻 Great parties every weekend
📺 Live sports on big screens
🎤 Karaoke every Friday
✨ And so much more!

Come and visit us on the weekends and experience the best nights in Cardiff! 😁

📸 Photos by https://www.instagram.com/knot_photographs/

It’s Quiz Night !!!! Win a £50 bar tab & it’s FREE to play, join us for our Smart phone Quiz tonight from 7pm
03/08/2026

It’s Quiz Night !!!! Win a £50 bar tab & it’s FREE to play, join us for our Smart phone Quiz tonight from 7pm

Address

85-87 Saint Mary Street
Cardiff
CF101DW

Opening Hours

Monday 10am - 11pm
Tuesday 10am - 11pm
Wednesday 10am - 12am
Thursday 10am - 12am
Friday 10am - 1am
Saturday 10am - 1am
Sunday 10am - 11pm

Telephone

+442920664103

Website

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