- United States Bartenders’ Guild, Fever Tree Tonic Water, Empress 1908 Gin
- 946 litre(s)
- United States (Las Vegas)
The largest alcoholic mixed drink is is 946 litres (208 UK gal, 249 US gal), and was achieved by the United States Bartenders’ Guild, Empress 1908 Gin, and Fever Tree Tonic Water (all USA) in Las Vegas, Nevada, USA, on 5 November 2018.
The purple gin and tonic was part of a fundraiser for Keep Memory Alive, which raised $10,000 USD for the Cleveland Clinic Lou Ruvo Center For Brain Health.