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Mermaid Costumes

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When you’re looking for a captivating costume, you can’t go wrong with a mermaid costume! Your child will look great in one of our girl’s mermaid costumes while you stun in any of our mermaid costumes for adults! There’s something for everyone in our selection of mermaid Halloween costumes, from mermaid tail skirts to wigs and golden accessories, you’ll find everything you need for an excellent Halloween!
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Kids Disney Ariel Costume Outfit
Sale - 20% Made By Us
Girls Sparkling Mermaid Costume
Sale - 20% Made By Us
$70.99$56.99-$70.99*
Girl's Little Mermaid Ariel Costume-2
Made By Us Exclusive
Little Mermaid Live Action Child Ariel Costume
Sale - 50%
Infant Mermaid Costume Bunting
Sale - 14% Made By Us
Girl's Darkest Siren Costume
Sale - 50%
Girl's Sea Siren Costume Main
Clearance Made By Us
Girl's Skeleton Mermaid Costume
Sale - 29%
$49.99$35.99-$49.99*
Pretty Purple Mermaid Child's Costume
Sale - 13% Made By Us
Little Mermaid Girls Ariel Classic Costume
Sale - 33%
Sweet Mermaid Child Costume
Sale - 44%
$63.99$35.99-$49.99
Little Mermaid Child Prestige Ariel Sound and Light Costume
Clearance  - 70%
Girls Mermaid Costume
Sale - 40%
$35.99$21.99-$35.99
Girl's Dark Skeleton Mermaid Costume
Sale - 42%
Kid's Playful Mermaid Costume
Made By Us Exclusive
Kids Bubbly Mermaid Costume
Sale - 38% Made By Us
$56.99$35.99-$56.99*
Blue Seas Mermaid Deluxe Girls Costume
Sale - 22%
Girl's Skeleton Mermaid Cosutme
Out of Stock
Girls Orca Mermaid Costume
Out of Stock
Child Magical Mermaid Costume
Out of Stock
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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! 

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