Australian Shiraz Grapes Lend Themselves Nicely To The Distillation Process Leading To A Vodka That Has Been Described By Critics As Smooth Lush Silky With A Beautiful Mouth Feel And A Fruit-Forward Finish.Cooranbong is a brand of vodka.Taking advantage of the non-existence of a definition of vodka in many countries, Cooranbong follows a trend seen with Cîroc and is distilled from grapes. CooranBong vodka is gluten-free. CooranBong is available for distribution in several US states.