The Best Cocktail Bars in Cardiff

The cocktails here come with QR codes explaining the science behind them, which sounds gimmicky until you're reading about rooftop honey and sea-salt chocolate fish scales at midnight. Lab 22 is a Cardiff cocktail bar that takes a genuinely theatrical approach to the glass, with bartenders who have been known to breathe fire in service of a drink. Ranked in the Top 50 Cocktail Bars, with Bar Team of the Year 2026 to its name.

The seasonal menu at this cocktail bar inside Cardiff's Duke Street Arcade is organized by decade, so you can sip something from the era of your choosing while pretending your taste was always this refined. Tucked just off the castle, Lowkey keeps the music low enough for conversation and runs on table service, which sets the tone. It landed on the Top 50 Cocktail Bars list for 2026, and the classics are there if the concept doesn't grab you.