Mermaid costumes are some of the most magical costumes out there, and whether you're looking for an adult mermaid costume, a child mermaid costume, or an Ariel costume for your little girl, we have what you need here at Oya Costumes! Sparkly, magical, and dazzling, mermaid costumes are so unique and fun. If your child loves the Little Mermaid, check out our Ariel costumes and Disney Princess costumes for kids! These mermaid costumes are exactly what you need at your next Halloween or costume party, whether you're on the dance floor or lounging by the pool. It's just like they say: darling it's better down where it's wetter! Don't forget to check out our accessories to get your mermaid wigs, necklaces, bracelets, makeup, or whatever else you need. Mermaid costumes are easy to personalize, and they can be unique to you! You can also check our article above about how to create your own mermaid costume. Are you feeling a little darker this season? You can use deeper purples and blues to get that evil sea witch look! Channel your inner Ursula and bring some evil to your Halloween party. If you're going out with all your friends, get everyone together for a group mermaid costume! Everyone can choose a special tail and wig colour that go swimmingly together. No matter what you decide, Oya Costumes has the costumes and supplies for you, with the fastest online costume shipping and service in Canada.