Mermaid Costumes

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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!

Mermaid Costumes

Sea Siren Women's Costume

Adult Mermaid Costume

Toddler Mermaid Costume

Men's Poseidon Costume

Women's Fantasy Mermaid Costume

Women's Hipster Mermaid Costume

Women's Sea Siren Plus Size Costume

Under the Sea Mermaid Women's Costume

Little Mermaid Ariel Deluxe Women's Costume

Child Mermaid Princess Costume

Women's Skeleton Siren Costume

Poseidon Plus Size Men's Costume

Adult Sweet Mermaid Costume

Men's Mermaid Mafia Costume

Teal Mermaid Long Tail Skirt Costume

Women's Deluxe Mermaid Costume

Womens Siren of the Sea Costume

Child Mermaid Costume

Womens Pink Mermaid Costume

Adult Women's Mythic Mermaid Costume

Women's Deep Sea Siren Costume

Women's Blue Mermaid Fin Skirt Costume

Seashell Mermaid Costume

Elite Mermaid Costume

Rebel Mermaid Women's Costume

King Neptune Costume

Women's Disney Deluxe Ariel Costume

Women's Sexy Noir Mermaid Costume

Adult Pirate and Mermaid Costume

Aqua Warrior Women's Costume

Girl's Barbie Mermaid Costume

Women's Pink Mermaid Fin Skirt Costume

Girls Mermaid Costume

Women's 2 Pc Sultry Sea Siren Costume

High-Waisted Mermaid Costume

Deluxe Womens Ariel Costume

Women's Black Mermaid Costume

Lil Mermaid Wig

Sea Shell Purse

Deluxe Women's Mermaid Tail Skirt

Mermaid Necklace

Seaweed Boa

Magical Mermaid Wig

Styleable Fever Khloe Neon Red Wig

Women's Green Mermaid Heels

Mermaid Makeup Stencil

Women's Green Mermaid Shoes

Women's Silver Mermaid Heels

Women's Mermaid Deluxe Leggings

Mermaid Starfish Headband

Shell Bra

Mermaid Wave Long Purple Wig

Red Hot Siren Wig

Fun World Mermaid Face Jewelry Kit

Women's Silver Mermaid Shoes

Pink Ombré Wig

Adult Crab Hat

Women's Gold Mermaid Bra Top

Women's Tipsy Elves Mermaid Santa Ugly Sweater

Supernova Wig