Marina Black Mermaid Dress cuz you are as black as the depths of the mighty sea. This ensemble is stunning. It includes a structured sparkling bustier with fishnet shoulder straps. The skirt is tight with an elegant fin. Get ready to head under the sea with this cool style and fancy yourself as a twisted villainous mermaid or just prefer the fashion chic look of a blackfin, this black mermaid costume is perfect for a new take on a classic costume.