Mermaid Costumes

Adult Mermaid Costume

Little Mermaid Ariel Deluxe Women's Costume

Men's Poseidon Costume



Women's Deep Sea Siren Costume



Toddler Mermaid Costume

Women's Sea Siren Plus Size Costume

Child Mermaid Costume


Elite Mermaid Costume


Adult Sweet Mermaid Costume

Women's Deluxe Mermaid Costume


Girls Mermaid Costume

King Neptune Costume

Adult Pirate and Mermaid Costume

Women's Tipsy Elves Mermaid Santa Ugly Sweater


Mermaid Necklace

Seaweed Boa

Lil Mermaid Wig

Sea Shell Purse

Pink Ombré Wig

Supernova Wig

Women's Mermaid Deluxe Leggings

Pet Costume Ariel

Teal Mermaid Shell Bra Top

Adult Crab Hat

Mermaid Blonde Wig

Shell Bra

Mermaid Shell Handbag


We contend that Mermaids aren't real no matter how many of those weird documentaries on the History Channel say they are! We need ireffutable proof... but wait a minute... there's been a new sighting and it's pretty compelling... this can't be, but mermaids ARE real and they've been sitting right here at Halloweencostumes.com this entire time! This is remarkable! We're looking through our spyglass here and we see mermaid costumes for kids and women both, from sexy to classic styles, and even mermaid costumes that recreate a certain animated character that loves to sing on rocks! Someone call a documentary crew because we've got the scoop of the century here!
Whether you want a sexy mermaid costume, a stunning girls mermaid outfit, a goth mermaid costume, or even an under the sea warrior - we have it all!























