* Tonic water: Tonic water is a carbonated water that is flavored with quinine. It has a slightly bitter taste, which some people enjoy. Tonic water is a good substitute for club soda in cocktails and mocktails.
* Seltzer: Seltzer is a carbonated water that is made from natural mineral springs. It has a slightly salty taste, which some people prefer to the taste of club soda. Seltzer is a good substitute for club soda in cocktails and mocktails.
* Ginger ale: Ginger ale is a carbonated beverage that is made with ginger extract. It has a sweet and spicy flavor, which some people enjoy. Ginger ale is a good substitute for club soda in cocktails and mocktails.
* Lemon-lime soda: Lemon-lime soda is a carbonated beverage that is made with lemon and lime juice. It has a sweet and citrusy flavor, which some people enjoy. Lemon-lime soda is a good substitute for club soda in cocktails and mocktails.