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

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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.

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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

Four people dressed in festive outfits celebrate together, smiling and holding drinks, surrounded by falling gold confetti in front of a patterned curtain.

A Cosy Christmas

This Christmas, unwrap something extra special. From long lunches to late-night cheers, we’re here to help you celebrate in true Cosy style with our festive set menus starting from just £28.95.

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