How much peach schnapps is used in a Sex on the Beach?

In a classic Sex on the Beach cocktail, the standard amount of peach schnapps used is indeed 0.5 ounces. This amount balances well with the other ingredients, which typically include vodka, cranberry juice, and orange juice. Using half an ounce provides that characteristic fruity and sweet flavor without overpowering the cocktail, allowing for a harmonious blend of flavors that is essential to this popular drink. The proportions in a cocktail recipe are crucial, as they influence the overall taste and consistency, and 0.5 ounces of peach schnapps achieves this balance effectively.