Provided are a sparkling beverage having effectively improved foam properties and a method of producing the same. The sparkling beverage has improved foam properties through an increase in content of a hydrophobic polypeptide or contains a hydrophobic polypeptide in an amount of 1.1 g/L or more. When the sparkling beverage is a sparkling alcoholic beverage, a method of producing the sparkling alcoholic beverage includes: a pre-fermentation step (10) of preparing a pre-fermentation solution using a raw material containing barley; and a fermentation step (20) of conducting alcoholic fermentation by adding a yeast to the pre-fermentation solution, in which foam properties of the sparkling alcoholic beverage are improved by treating the barley with a protease.
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