Agua de Jamaica, also known as Hibiscus Water, is a refreshing and vibrant cocktail that originated in Mexico but has gained popularity in Valencia. It is made by steeping dried hibiscus flowers in water and adding sugar to create a sweet and tangy base. The cocktail is typically served over ice and garnished with a slice of lime. Agua de Jamaica is a popular choice during the hot summer months in Valencia, as it is both refreshing and hydrating.