What is the main ingredient in a Blue Lagoon drink?

In a Blue Lagoon drink, the key component that gives it its distinct color and flavor profile is blue raspberry syrup. This syrup not only contributes to the vibrant blue hue of the drink but also provides the signature sweetness and tartness associated with blue raspberry flavoring. The addition of Sprite serves as a mixer, adding carbonation and a citrusy note that complements the sweetness of the blue raspberry syrup. Swedish fish, although not a typical ingredient in every Blue Lagoon cocktail, might be included as a garnish or an edible decoration, enhancing the drink's playful and whimsical presentation.

Together, these ingredients blend to create the well-loved Blue Lagoon drink, making it a colorful and flavorful choice at bars and restaurants. In this case, indicating that all components work together reflects the common practice of combining flavors to elevate a drink’s appeal. Therefore, the answer incorporates the unique aspects and traditions associated with crafting this colorful beverage.