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Mermaid Halloween Costumes & Party Supplies

(46 items)

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6 Ft. Life-Size Original Mermaid Skeleton Halloween Decoration

1 Piece(s) #13810898

$114^.99

(245)

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Value Under the Sea Mermaid Trunk-or-Treat Cardstock Decorating Kit – 10 Pc.

10 Piece(s) #14541056

$16^.99

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Kids Prestige Little Mermaid Ariel Light/Sound Costume

2 Piece(s) #14359621

Starting at

$98^.99

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Kids Classic Live Action Little Mermaid Ariel Costume

1 Piece(s) #14359604

Starting at

$35^.99

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Girl's Little Mermaid Costume

1 Set(s) #14277429

Starting at

$24^.99

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Toddler Classic Disney Junior Ariel™ Ariel Costume

1 Piece(s) #14469563

Starting at

$39^.99

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Wrapables Waterproof Temporary Tattoos for Children, 20 sheets, Mermaids

1 Set(s) #14409396

$12^.99

Sold and Shipped by Goten Corporation dba Wrapables

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Women's Iridescent Scale Mermaid Skirt Costume

1 Piece(s) #14108612

Starting at

$64^.99

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Baby Classic Disney's The Little Mermaid Sebastian Costume

3 Piece(s) #14359655

Starting at

$35^.99

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Kids Deluxe Little Mermaid Ariel Costume

1 Piece(s) #14359620

Starting at

$53^.99

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Kids Deluxe Live Action Little Mermaid Ariel Costume

1 Piece(s) #14359605

Starting at

$47^.99

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Girl's Blue Sea Mermaid Costume

1 Piece(s) #14290889

Starting at

$54^.99

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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

1 Piece(s) #14359523

Starting at

$31^.77

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Women's Deluxe Little Mermaid Ariel Costume

1 Piece(s) #14289407

Starting at

$79^.99

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Kids Classic Little Mermaid Ursula Costume

1 Piece(s) #14359616

Starting at

$27^.99

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Baby Classic Disney's The Little Mermaid Flounder Costume

2 Piece(s) #14359656

Starting at

$39^.99

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Men's Deluxe Little Mermaid Prince Eric Costume

4 Piece(s) #14359564

Starting at

$71^.99

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Baby Classic Disney's The Little Mermaid Scuttle Costume

2 Piece(s) #14359657

Starting at

$35^.99

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Kids Classic Little Mermaid Ariel Costume

1 Piece(s) #14359688

Starting at

$36^.99

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Women’s Classic Little Mermaid Ursula Costume

1 Piece(s) #14359525

Starting at

$46^.99

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Women's Deluxe Live Action Little Mermaid Ariel Costume

1 Piece(s) #14359524

Starting at

$79^.99

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Toddler Classic Disney's Little Mermaid Animated Flounder Costume

1 Piece(s) #14469591

Starting at

$39^.99

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Girl's Toddler Classic Disney's Little Mermaid Ursula Costume

1 Piece(s) #14469585

Starting at

$44^.99

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Kids Classic Disney's The Little Mermaid Prince Eric Costume

1 Piece(s) #14359592

Starting at

$37^.99

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Kids Classic Live Action Little Mermaid Ursula Costume

1 Piece(s) #14359606

Starting at

$35^.99

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Girl's Tokidoki Sirena Mermicorno Costume

1 Piece(s) #13826916

Starting at

$32^.97

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Girl's Mysterious Mermaid Costume

1 Piece(s) #14290838

Starting at

$64^.99

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Toddler Deluxe Little Mermaid Ariel Costume

1 Piece(s) #14364855

Starting at

$52^.99

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Kids Deluxe Live Action Little Mermaid Ursula Costume

1 Piece(s) #14359607

Starting at

$57^.99

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Toddler Disney Ariel Costume

1 Piece(s) #14108895

Starting at

$39^.99

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Girl's Disney's Little Mermaid Ariel Light-Up Shoes - Size 11-12

1 Piece(s) #DG167149

$19^.99

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Baby Classic Disney's Little Mermaid Animated Flounder Costume - Small 12-18 Months

2 Piece(s) #DG162979W

$39^.99

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6 ft. Pink Life-Size Jeweled Mermaid Plastic Skeleton Halloween Decoration

1 Piece(s) #14436196

$114^.99

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Bulk Life-Size Original Mermaid Skeleton Halloween Decorations - 4 Pc.

4 Piece(s) #14114274

$419^.99

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Under the Sea Halloween Decorations

#14110357

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Blue and Green Mermaid Girl Child Halloween Costume - Medium

1 Set(s) #14401134

$39^.99

Shipped by Northlight Seasonal

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Skeleton Mermaid & Fish Decorating Kit - 5 Pc.

5 Piece(s) #14411577

Kit

Price

$204^.99

SAVE 7%

This item is out-of-stock.

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Women’s Little Mermaid Ursula Wig Costume Accessory

1 Piece(s) #DG125679

$27^.99

This item is out-of-stock.

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Kids Disney’s The Little Mermaid Ariel Green Sparkle Jelly Shoes

1 Piece(s) #DG59294

$14^.99

This item is out-of-stock.

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Girl's Tokidoki Sirena Mermicorno Hood

1 Piece(s) #13828578

Sale

$18^.38

31% OFF

This item is out-of-stock.

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30" Mermaid Skeleton Decoration

1 Piece(s) #SS77293

$12^.99

This item is out-of-stock.

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Mini Mythical Halloween Characters - 12 Pc.

Per Dozen #13846558

Sale

$5^.77

35% OFF

This item is out-of-stock.

(17)

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5 Ft. - 6 Ft. Skeleton Mermaid & Pirate Couple Plastic Halloween Decorations

2 Piece(s) #13963121

$184^.99

This item is out-of-stock.

(13)

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Halloween Mythical Creatures Skeleton Decorating Kit - 4 Pc.

4 Piece(s) #13971062

$334^.99

This item is out-of-stock.

(6)

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18" Skeleton Mermaid Halloween Decoration

1 Piece(s) #SS76588

$5^.49

This item is out-of-stock.

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Magical Mermaid Costumes for Kids and Adults

Transform into your favorite sea creature with our enchanting collection of mermaid Halloween costumes! From classic Disney-inspired Ariel gowns to fierce Ursula outfits, we have styles for all ages. Our kids' Halloween costumes feature comfortable fabrics and vibrant colors perfect for trick-or-treating. Adults can choose from elegant mermaid gowns or playful costumes with shimmering scale details. Complete your look with character wigs in sea-inspired shades of teal, purple, and fiery red. Discover coordinating party supplies to bring your underwater theme to life. Our under the sea decorations include shimmering tableware, shell-shaped party favors, and ocean-blue accessories. Create a magical Halloween party atmosphere with mermaid-themed invitations and glowing centerpieces. All items are designed for easy setup and maximum visual impact. Find everything you need to make your Halloween celebration unforgettable in one convenient place. Don't miss our limited-time Halloween sale on popular mermaid costumes and accessories! We offer unbeatable prices on high-quality costumes, including exclusive Disney costumes that capture your favorite characters' magic. Our 110% Lowest Price Guarantee ensures you get the best value. Shop early for the widest selection of sizes and styles before they swim away. Make this Halloween a splash with our magical mermaid collection!