Mermaid & Unicorn Costumes

Create a fantasy world all your own with mermaid and unicorn costumes from Leg Avenue. You’ll feel like you’re under the sea with our amazing collection mermaid shell bras, mermaid tail skirts, and mermaid costumes. And your costume look isn’t complete without a mermaid wig! Shop our collection beachy wigs or get yourself that classic red wig, but fork not included. Or maybe you’re feeling a little horny? Check out our fantastical unicorn horn headbands and unicorn costumes, perfect for a mystical Halloween costume or perhaps even an epic unicorn themed party! We’ve got the fantasy costume looks to keep your world magical.