Tropical smoothie use a variety of liquids in their smoothies including water, milk, juice, and even alcohol for their adult beverages. Each smoothie is made with a different combination of these liquids to create the perfect consistency and flavor. Some of their most popular smoothies include the Pina Colada which is made with pineapple juice, coconut milk, and rum, and the Strawberry Daiquiri which is made with strawberry juice, lime juice, and rum.