O'Neill's St Mary Street Cardiff
Pub
85-87 St Mary St, Cardiff, Cardiff, CF10 1DW
–
Cardiff Centre
Kysha Hillaire
Your Personal Event Manager from Mitchells & Butlers
Response rate: 98%
Newly partnered with Tagvenue
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Excellent communication - 4.2/5
70 verified clients rated their communication with the venue manager as 4.2. They appreciated the manager's professionalism and quick response times.
Spaces for hire at O'Neill's St Mary Street Cardiff
Upstairs Room
Event Space
·
Private space
80 seats
300 standing
Our first-floor space at O'Neill's St Mary Street is the ideal venue for any occasion—whether it's a meeting, an all-day conference, a Christmas or engagement party, a milestone birthday, a networking event, a live music night, or even stand-up comedy. With a capacity of up to 300 standing, the room features a private bar, multiple screens, a proje...
Alcohol licence until 2:00
Alcohol licence extension
PA system / music speakers
Play your own music
from £500 minimum spend
Pricing updated by venue 1 week ago
Enquire now
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Prices and opening hours
Monday
Closed
Tuesday
Closed
Wednesday
Closed
Thursday
17:00 –
0:00
from
£500
min. spend
Upstairs Room
17:00 –
0:00
from
£500
min. spend
Friday
10:00 –
1:00
from
£1000–£1500
min. spend
Upstairs Room
10:00 –
1:00
from
£1000–£1500
min. spend
Saturday
10:00 –
1:00
from
£1000–£1500
min. spend
Upstairs Room
10:00 –
1:00
from
£1000–£1500
min. spend
Sunday
10:00 –
23:00
from
£500–£800
min. spend
Upstairs Room
10:00 –
23:00
from
£500–£800
min. spend
Pricing updated by venue 1 week ago
Facilities and catering options
Up to 300
standing
Up to 80
seats
In-house catering
British
cuisine
Parking available
Promoted / ticketed events
Alcohol provided
External catering allowed
Accommodation available
BYO alcohol
About O'Neill's St Mary Street Cardiff
Experience the Best of O'Neill’s St Mary Street!
Just a short stroll from Cardiff Stadium, O'Neill’s St Mary Street is the ultimate spot for live sports lovers—especially on International Rugby Days, when the atmosphere is second to none! With plenty of TVs and a dedicated function room, you’ll never miss a moment of the action.
Looking for something more private? Our second floor has it all—your own bar, private toilets, screens, projectors, and flexible setup options. Whether it’s a birthday bash, corporate meeting, all-day conference, networking event, or a completely custom experience, we’ve got you covered.
Plus, with a variety of buffet menus, drinks packages, and catering options, your event is in safe hands.
Drop us a message to find out more—we’d love to host you! 🍻🎉
Just a short stroll from Cardiff Stadium, O'Neill’s St Mary Street is the ultimate spot for live sports lovers—especially on International Rugby Days, when the atmosphere is second to none! With plenty of TVs and a dedicated function room, you’ll never miss a moment of the action.
Looking for something more private? Our second floor has it all—your own bar, private toilets, screens, projectors, and flexible setup options. Whether it’s a birthday bash, corporate meeting, all-day conference, networking event, or a completely custom experience, we’ve got you covered.
Plus, with a variety of buffet menus, drinks packages, and catering options, your event is in safe hands.
Drop us a message to find out more—we’d love to host you! 🍻🎉
FAQ
Cancellations 30 days in advance will receive a full refund.
Cancellations 30 days to 7 days in advance will receive a 50% refund.
Cancellations for events starting within 7 days are non-refundable.
Event date of a confirmed booking can be changed to another date within 3 months from the original date, at no cost.
At O'Neill's St Mary Street Cardiff, the following catering options are available:
- In-house catering service is available
- Paid parking facilities are available nearby
O'Neill's St Mary Street Cardiff is located at 85-87 St Mary St, Cardiff, in the Cardiff Centre district of Cardiff.
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