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Best Bars for a Stag Do in Cardiff in 2024

The 10 Best Bars for a Stag Do in Cardiff in 2025

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From old-school rock bars to neon-lit nightclubs, Cardiff boasts some of the best party venues in the UK.

But why waste the night walking the streets looking for a stag-friendly watering hole when you can plan it in advance?

Here at StagWeb.co.uk, our job is to take all the hassle out of a stag weekend for you, so we’ve been on a scouting mission to find the 10 best bars for stag do in Cardiff.

It was thirsty work, but by God you’re worth it.

Be sure to check out StagWeb’s range of stag-friendly Cardiff nightlife options to save a whole load of hassle on that big weekend away.

1. Revolution Cardiff

Revolution Cardiff

Packed with energy and boasting a dance floor that’s ready for some action, this vodka-obsessed bar has long been a stag do favourite.

With a staggering array of vodka flavours and frequent happy hours, it’s the perfect launchpad for stags aiming to get their night off to a flyer.

Keep the drinks flowing with our Vodka Revs Package and the spirits high with our Stag Party Meal – Vodka Revolution and you’ll guarantee a legendary night out.

Where…

9-11 Castle St, Cardiff CF10 1BS

Opening Times…

  • Mon- Tue  Closed
  • Wed – Thu   16:00 – 00:00
  • Friday   12:00 – 03:00
  • Saturday  11:00 – 03:00
  • Sunday  12:00 – 00:00

2. Alcotraz Cardiff – Cell Block Nine-One

Alcotraz Cardiff

This immersive, prison-themed cocktail bar offers a unique twist to your usual night out.

The serving inmates, who are your bartenders, are experts in crafting tasty cocktails with a secret twist.

You’re encouraged to smuggle in your favourite spirit which they’ll use to create your drinks!

The one-of-a-kind atmosphere guarantees a night to remember and if you want to find out more, you can check our Alcotraz Prison Cocktail Experience page and secure your spot now.

Where…

Unit 9a Brewery Quarter, Cardiff CF10 1FG

Opening Times…

  • Monday               Closed
  • Tue – Wed            19:05 – 20:50 
  • Thursday             19:05 – 23:15 
  • Friday                  16:40 – 23:15 
  • Saturday              12:00 – 23:15 
  • Sunday                16:40 – 18:25

3. Walkabout

Walkabout Cardiff

Bringing Aussie vibes to Cardiff, Walkabout is a top choice for stags who love sports and live music.

With big screens showing all the latest games, it’s a great spot to kick back with your mates before the night gets into full swing.

Where…

65-74 St Mary St, Cardiff CF10 1FA

Opening Times…

  • Sun – Wed   12:00 – 00:00
  • Thu – Sat     12:00 – 03:00

4. Heidi’s Bier Bar

Heidi's Bier Bar Cardiff

Embrace the après-ski atmosphere at Heidi’s Bier Bar, which offers a taste of Oktoberfest right in the heart of Cardiff.

With large beers and an impressive cocktail menu, Heidi’s is sure to satisfy any stag party.

Where…

4-6 Mill Ln, Cardiff CF10 1FL

Opening Times…

  • Sun – Thu  16:00 – 03:00
  • Fri – Sat     12:00 – 03:00

5. O’Neill’s St Mary Street

O'Neill's St Mary Street Cardiff

This all-time favourite pub provides a slice of Ireland right in the heart of Cardiff.

With live music, hearty food, and generous drink deals, it’s a top choice for stags who enjoy a dynamic environment and a good craic.

Where…

85-87 St Mary St, Cardiff CF10 1DW

Opening Times…

  • Mon – Thu   10:00 – 23:00
  • Fri – Sat       10:00 – 01:00
  • Sunday      10:00 – 23:00

6. NQ64

NQ64 Cardiff

Picture this: one hand on a joystick, the other clutching a craft beer.

The ultimate stag combo!

Crank up the competition and enjoy some button-bashing at Cardiff’s premier gaming bar.

Where…

60-61 St Mary St, Cardiff CF10 1FE

Opening Times…

  • Mon- Thu   16:00 – 02:00
  • Friday          16:00 – 03:00
  • Sat – Sun     12:00 – 03:00

7. Gassy’s

Gassy's Cardiff

With numerous screens for live sports and pool tables for added entertainment, Gassy’s a top choice.

While they may not offer happy hours, the bar boasts reasonably priced pints, promising a good time either way!

Where…

39-41 Salisbury Rd, Cardiff CF24 4AB

Opening Times…

  • Mon – Tue   12:00 – 23:00
  • Wed – Fri    12:00 – 00:00
  • Saturday    10:00 – 00:00
  • Sunday     10:00 – 23:00

8. Popworld

Popworld Cardiff

If you fancy a trip down memory lane, Popworld is the place for you.

Known for its retro music and vibrant neon décor, it’s a blast from the past that’ll have the groom throwing some outrageous shapes in no time.

With regular drink promotions, our Popworld VIP Packages let you relive the good old days without breaking the bank.

Where…

96 St Mary St, Cardiff CF10 1DX

Opening Times…

  • Mon – Thu  22:00 – 03:00
  • Friday         19:00 – 03:00
  • Saturday    15:00 – 03:00
  • Sunday          Closed

9. Las Iguanas

Las Iguanas Cardiff

For a taste of Latin America, head to Las Iguanas.

This lively bar and restaurant offers a range of boozy concoctions and a vibrant atmosphere with 2-for-1 drinks deals.

It’s the perfect spot to start your evening before hitting the dance floor, so check out our Las Iguanas stag packages now.

Where…

8 Mill Ln, Cardiff CF10 1FL

Opening Times…

  • Mon – Thu    11:00 – 22:30
  • Fri – Sat     11:00 – 00:00
  • Sunday    12:00 – 22:00

10. Flight Club Cardiff

Flight Club Cardiff

For a stag do filled with banter, booze, and bullseyes, look no further than the Flight Club.

This is social darts, gentlemen.

It’s located smack-bang in the middle of St Mary Street, which makes it easy to bounce onto the next adventure, too.

One of the best bars for a stag do in Cardiff by far.

Where…

3-4 St Mary St, Cardiff CF10 1AT

Opening Times…

  • Sun – Wed            11:30 – 00:00
  • Thu – Fri                11:30 – 01:00
  • Saturday              11:00 – 01:00

Cardiff Stag Bars FAQs

What is the best street in Cardiff for bars?

Cardiff’s most central street, St Mary Street, which is closed to traffic on Friday and Saturday nights, will always guarantee you a wild night out.

It boasts a range of unique spots (some of which made it to this list), live music, entertainment, and hands down the best nightlife in the city.

Does Cardiff have good nightlife?

Yes, Cardiff has one of the best nightlife scenes in the UK!

Traditional pubs, modern bars, bouncing nightclubs, independent venues, you name it – Cardiff’s got it!

Can you walk into bars in Cardiff?

Yes, you can walk into bars in Cardiff as a stag group, for the most part.

Hopefully, none of the bars on this list will refuse a walk-in (unless they’re packed on the night!).

That’s why, pre-booking or getting on a guest list can help to ensure entry, particularly for larger groups.

Still Planning the Stag?

Don’t suffer with the stress of organising it solo.

Check out our extensive guide for planning a Cardiff stag do and get the ball rolling on a legendary weekend in the Welsh capital.

Once you’re clued up on everything you need to know check out our range of Cardiff stag activities and get booking.

Cardiff is a hugely popular stag destination and the best activities and accommodation options can book up fast.

Send your speedy Cardiff stag enquiry today and our destination expert will get to work building your legendary weekend away.

Or, to really save time, check out our favourite ready-made Cardiff stag packages that are priced up and ready to book.

Viktoria Filipova avatar

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