Art Deco-style bar interior with patterned wallpaper, large decorative light fixtures, a long wooden bar counter with various bottles, small round tables, and framed pictures on the walls. The space is warmly lit.

Cardiff Bay

Unit 24, Mermaid Quay, Cardiff Bay, CF10 5BZ

02920 509008
A stylish bar with art deco decor, geometric patterns on the bar front, vintage pendant lights, framed photos on the walls, high tables, and wooden stools on a polished wooden floor.
A cozy, stylish restaurant interior with a long cushioned bench, colorful plush stools, set dining tables with glassware, and large windows letting in natural light. Outdoor seating is visible through the windows.
Three people sit at a restaurant table, smiling and talking. Two are facing each other, one holds a menu, and there are wine glasses and candles on the table. The setting is warm and cozy.
A waitress in a floral dress carries a tray with a wine bottle through a busy restaurant, surrounded by diners engaged in conversation. The restaurant has warm lighting and framed pictures on the walls.

Welcome to Cosy Club Cardiff Bay

Overlooking the water on Mermaid Quay, our Cosy Club Cardiff Bay offers the perfect setting for any occasion, just a stones throw from the Wales Millennium Centre.

On sunnier days, unwind on our beautiful outdoor terrace or step inside to enjoy our stunning restaurant and bar under sparkling chandeliers.

Whether it’s quayside celebrations or a cosy evening, we’re here to make every moment special, rain or shine.

Two women, one in a pink dress and one in a sleeveless top, clink champagne glasses over a marble table with a bowl of green olives on it. Sunlight casts warm shadows on the scene.

Graduation at Cardiff Bay

The essays are handed in, the exams are finished, and the cap’s had its moment. 

Now it’s time to sit down together and celebrate graduation properly, with a table full of the people who got you through it – the proofreaders, the cheerleaders, the ones who reminded you to eat something occasionally. 

Celebrating with friends, family, or a mix of both? Start the day with a pregraduation breakfast, get together for a graduation lunch, or settle in for a celebratory dinner at Cosy Club. 

Graduates can mark the occasion with our Graduation Set Menu, available as two or three courses from £29.95, and paired with a complimentary glass of prosecco.

Opening Times

Sunday - Wednesday
9:00AM - 11:00PM
Thursday
9:00AM - 12:00AM
Friday - Saturday
9:00AM - 1:00AM
A bowl with a fillet of seasoned salmon on top of mashed potatoes and green vegetables, garnished with microgreens, sits in a light green sauce on a patterned plate.

The finer details

  • Free Wifi
  • Disabled access
  • Dogs welcome in our bar area
  • Baby changing
  • Outdoor seating
A hand holds a glass of amber-colored drink with ice on a marbled table, next to a bowl of green olives and a fork.

Teatime Tipple

Two’s always better than one! Enjoy any two of our signature, or seasonal cocktails for £14.95, available Sunday to Friday, 3-11pm. Times are subject to change during holiday periods.
Three women sitting together at a restaurant table, smiling and raising drinks in a toast. Plates of colorful, appetizing food are in front of them, and a curtain is in the background.

Bottomless Brunch

Brunch, but make it bottomless. Upgrade to 90 minutes of free-flowing drinks for just £25pp. Available at selected sites.

Kids at Cosy Club

Looking for a child friendly restaurant in Cardiff Bay that’s perfect for the whole family?  

The grandparents who came up for the weekend. The seven-year-old who’s decided pasta is a personality. The birthday that somehow became a party of twelve. 

Designed with families in mind, our kid’s menu offers familiar favourites alongside balanced options, all served with a drink.   

Breakfast is served until 4pm; mains and desserts from midday.  

VAT on kids meals has been reduced to 5% from 25th June. 

Front view of Cosy Club restaurant with a bright orange sign, decorative gold designs on the windows, and outdoor seating with colorful chairs and red plaid blankets.

Finding Us

How to get here
Address

Unit 24, Mermaid Quay, Cardiff Bay, CF10 5BZ

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