In GTA IV and GTA: Chinatown Wars it is sold in the Steinway Beer Garden and Lucky Winkles, while advertisements can be found around the state. In GTA V, Blarneys is sold in Rob's Liquor, 24/7 and LTD stores. In GTA Online, a Blarneys beer hat was to became available through special crates, after the Independence Day Special was installed. However, through a glitch, it and a second hat (J's Lager) became unavailable for pick-up through normal means.
The beverage is most likely a parody of Guinness due to its Irish theme. On billboards, it is pictured next to a puffin with the slogan "Have a puff 'n' a pint", parodying Guinness' use of a toucan and Irish slang ("pint" referring to a filled glass of beer).
- The beer is most likely named after the famous Blarney Stone located in south-west Ireland.