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Shop Adult Mermaid Halloween Costumes & Accessories

(11 items)
Women's Deluxe Live Action Little Mermaid Ariel Costume
Women's Deluxe Live Action Little Mermaid Ariel Costume
1 Piece(s) #14359524
Starting at
$79.99
 
 
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Men's Deluxe Little Mermaid Prince Eric Costume
Men's Deluxe Little Mermaid Prince Eric Costume
4 Piece(s) #14359564
Starting at
$71.99
 
 
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Women’s Classic Little Mermaid Ursula Costume
Women’s Classic Little Mermaid Ursula Costume
1 Piece(s) #14359525
Starting at
$46.99
 
 
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Adults Disney's Little Mermaid Ursula Pride Kit
Adults Disney's Little Mermaid Ursula Pride Kit
1 Piece(s) #14469592
Starting at
$59.99
 
 
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Women's Classic Live Action Little Mermaid Ariel Costume
Women's Classic Live Action Little Mermaid Ariel Costume
1 Piece(s) #14359523
Starting at
$31.77
 
 
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Women's Iridescent Scale Mermaid Skirt - Small
Women's Iridescent Scale Mermaid Skirt - Small
1 Piece(s) #UA86710SM
$64.99
 
 
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Women's Iridescent Scale Mermaid Skirt Costume
Women's Iridescent Scale Mermaid Skirt Costume
1 Piece(s) #14108612
Starting at
$64.99
 
 
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Mermaid Adult Natural Red Costume Wig
Mermaid Adult Natural Red Costume Wig
1 Piece(s) #14449099
$27.99
Sold and Shipped by Toynk Toys, LLC.
 
 
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Facial Jewelry Stones Makeup Kit
Facial Jewelry Stones Makeup Kit
1 Piece(s) #FW5577CM
$8.79
 
 
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Adults Bargain Mermaid Witch Wig - Red
Adults Bargain Mermaid Witch Wig - Red
1 Piece(s) #LW60RD
$15.29
 
 
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Adults Red Mermaid Wig
Adults Red Mermaid Wig
1 Piece(s) #LW389RD
Clearance
Price
$22.97
17% OFF
 
 
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Affordable Mermaid Costume Collection for Adults

Dive into our enchanting collection of adult mermaid Halloween costumes that transform you into an underwater fantasy character. Our selection features officially licensed Disney costumes including Ariel and Ursula from The Little Mermaid, ensuring authentic character appeal with detailed scale patterns and shimmering designs. Discover a variety of styles from classic mermaid skirts to deluxe costume sets that create a complete magical transformation. Find the perfect mermaid costume accessories to complete your look, including iridescent wigs, shell crowns, trident props, and shimmering makeup kits. Our costume accessories range from budget-friendly options to premium pieces that add authentic detail to your fantasy character. Many accessories are available at clearance prices, making it easy to create a stunning mermaid ensemble without breaking your Halloween budget. Our women's mermaid costumes come in various sizes and styles to flatter every body type, featuring flowing chiffon fins, sequined tops, and scale-patterned skirts. From sexy mermaid designs to family-friendly Disney princess costumes, we offer options for every preference and comfort level. The attention to detail in these fantasy costumes ensures you'll make a splash at any Halloween party or event. Take advantage of our limited-time clearance deals on Halloween costumes, with many mermaid outfits and accessories available at significant discounts. We regularly offer special promotions including free shipping on orders over $25, making it even more affordable to create your perfect underwater look. Check back often as we add new inventory and clearance items throughout the Halloween season. Complete your magical transformation with coordinating costume accessories that enhance your mermaid ensemble. Our collection includes everything from facial jewelry stones and masquerade masks to specialty wigs in vibrant red and aqua colors. These finishing touches help create a cohesive fantasy look that will transport you straight to an underwater kingdom for Halloween.