Get ready to have your own adventure under the sea with our Mermaid and Little Mermaid costumes! Join Sebastian the Crab and Flounder the Flounder as you search for items and relics from the surface world in the deep ocean. Not looking for the Disney Princess Ariel? We also offer time-honored takes on the mythological mermaid. Our Mermaid and Little Mermaid costumes are perfect for toddlers, girls, teens and ladies!