Mermaid Costumes for Women -- The wide open sea awaits, with a magical mermaid costume from Costume Craze! We offer a large variety of colors and styles, so you can dress up as a traditional mermaid, Siren of the Sea, enchanting green mermaid, black mermaid and more! We also have a variety of Disney's Ariel mermaid costumes, so you can dress as your favorite Disney princess. Enhance your costume with a mermaid wig! You'll cause a splash at your costume party. Great for Halloween, too!