Dive in and discover a world of amazing sea creature costumes at Chasing Fireflies! We have magical and unique mermaid costumes awash in sequins, shimmery organza and shell accessories. Our spectacular Little Mermaid costume is one you won’t find elsewhere, which means your own little mermaid will stand out among the sea of costumes. Beware of sharks, too! Our shark costumes are funny and playful, to the delight of kids and grownups. What about other fish costumes in the sea? We’ve got them – a whimsical octopus or anglerfish live on our island too. Mythical sea creature costumes might pop up now and then, so swim by often and see what’s new.