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 plush seating, colorful ottomans, set dining tables with glasses and plates, warm lighting, and large windows leading to an outdoor patio with tables and chairs.
Outdoor seating area of Cosy Club café with decorative metal chairs, red tables, and tartan blankets draped over some seats. Glass doors and a red sign with "Cosy Club" and lounging cat logos above the entrance.
A warmly lit restaurant interior with wooden floors, dark tables and chairs, and walls decorated with framed pictures and mirrors. The tables are set for dining but the restaurant is empty of patrons.

Welcome to Cosy Club Cardiff Bay

Overlooking the water on Mermaid Quay, our Cosy Club Cardiff Bay offers the perfect setting for any occasion.

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.

Opening Times

Sunday - Wednesday
9:00AM - 11:00PM
Thursday
9:00AM - 12:00AM
Friday - Saturday
9:00AM - 1:00AM
A marble table set with a steak topped with butter, a salad, deviled eggs, green olives, a white fish dish, a glass of red wine, and a glass of white wine. A hand with red nail polish is visible in the foreground.

The finer details

  • Free Wifi
  • Disabled access
  • Dogs welcome in our bar area
  • Baby changing
  • Outdoor seating
Two hands clinking champagne glasses in a toast in front of deep red velvet curtains. One hand has a gold bracelet, and the other has blue nail polish.

Graduation

Raise a glass to the Cosy Club of 2025, enjoy two courses & a glass of prosecco for £29.95, available from 30th June until 2nd August.
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 £14.50, available Sunday to Friday, 4-9pm.
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.
Art Deco-style bar with a vibrant sunburst mural and geometric patterns behind a wooden bar stocked with assorted liquor bottles and a central clock. Warm, golden lighting creates a vintage, inviting atmosphere.

Finding Us

How to get here
Address

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

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