The Deep Blue Sea Martini is made with Vodka, Blue Curacao, Sour Mix, and Pineapple Juice. The name of this cocktail comes from the deep blue color of the Blue Curacao. The liqueur is made from the dried peel of bitter oranges. It has a sweet and citrusy flavor that pairs well with the other ingredients in this drink. As for the taste, the Deep Blue Sea Martini is both tart and sweet. The sour mix gives it a nice tang, while the pineapple juice adds a touch of sweetness. The Blue Curacao also adds a bit of bitterness to the mix. Overall, it's a well-balanced cocktail that is sure to please any crowd.