Best Kids' Ariel Costumes of 2026

Jimmy Roof Avatar
Jimmy Roof
Last Updated: Jan 12, 2026

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Kids' Ariel costumes are a must-have for any little girl who dreams of being a mermaid. These costumes come in a range of sizes and styles, from classic Disney designs to more modern interpretations. The costumes typically feature a shimmery mermaid tail, a sparkly top, and flowing hair accessories. Many of these costumes also come with additional accessories, such as seashell jewelry or a trident prop. Kids' Ariel costumes are perfect for Halloween, dress-up parties, or just imaginative play at home. These costumes are sure to make any little girl feel like a true underwater princess.

At a Glance: Our Top Picks

Disney Princess Dress Up Trunk Cover #TOP 1
Disney Princess Dress Up Trunk
ftb score rating icon 9.8
Disney Princess Ariel Sing & Shimmer Musical Dress Cover #TOP 2
Disney Princess Ariel Sing & Shimmer Musical Dress
ftb score rating icon 9.7
CVNHMG Elsa Light-Up Princess Dress Set Cover #TOP 3
CVNHMG Elsa Light-Up Princess Dress Set
ftb score rating icon 9.5

Top 4 Kids' Ariel Costumes

Disney Princess Dress Up Trunk

Disney
221334
Disney Princess Dress Up Trunk Cover
Disney Princess Dress Up Trunk – 21-Piece Deluxe Costume Set Featuring Ariel, Jasmine, Tiana & Rapunzel Outfits with Accessories & Storage Trunk – Amazon Exclusive

The Disney Dress Up Set offers an enchanting experience with four delightful outfits from beloved characters Tiana, Jasmine, Rapunzel, and Ariel. Your child can enjoy hours of imaginative play, transforming into their favorite princesses. This exclusive set includes a total of 21 pieces, featuring tops, skirts, and a range of royal accessories. With customizable necklaces and a charming keepsake trunk for storage, this dress-up trunk not only provides fun but also helps organize playtime, making it easy for you to keep everything tidy.

What We Like
Multiple princess outfits
Customizable accessories
Convenient storage trunk
Encourages imaginative play
#TOP 2

Disney Princess Ariel Sing & Shimmer Musical Dress

97264
Ariel
Disney Princess Ariel Sing & Shimmer Musical Dress Cover
Disney Princess Ariel Sing & Shimmer Musical Dress – Sparkling Costume with Built-In Music, Ages 3–6, Size 4–6X – Amazon Exclusive

The Disney Ariel Musical Dress lets you bring the magic of the sea to life with a sparkling design inspired by Ariel. When you press the button, the dress plays the beloved song “A Part of Your World,” making it easy to sing along and feel like a true Disney princess. This glittery costume adds excitement to birthday parties, Halloween, or everyday play, helping you boost your confidence and spark your imagination. Made for girls ages 3 to 6 in sizes 4–6X, the soft fabric lets you move comfortably and enjoy active storytelling adventures all day long.

What We Like
Built-in music feature
Glittery Ariel design
Comfortable soft fabric
Perfect for parties and play
#TOP 3

CVNHMG Elsa Light-Up Princess Dress Set

CVNHMG
White and Blue
3-4 Years
CVNHMG Elsa Light-Up Princess Dress Set Cover
CVNHMG Girls'Costumes-Elsa Light Up Dress and Princess Dress Up for Girls 4-9 Elsa, Moana,Rapunzel,Ariel,Frozen,and More Perfect Toddler and Kids Costume Collection Ideal Birthday Outfits for Girls

The CVNHMG Light-Up Elsa Dress is a complete costume set that lets your child dress up like their favorite princess with plenty of accessories, including a braided headband, tiara, wand, gloves, and jewelry. Made from safe, durable materials, this dress is comfortable for kids ages 3 to 10, so you don’t have to worry about safety during playtime. The magical light-up feature adds a fun glow to the dress, making it perfect for parties and special occasions where your child can truly shine. Plus, the detachable cape allows your little one to change their look and explore different styles, encouraging creativity and imaginative play.

What We Like
Complete 12-piece accessory set
Durable, non-toxic materials
Enchanting light-up design
Detachable cape for style options
#TOP 4

PURFEEL Girls Mermaid Princess Dress

4-5 Years
PURFEEL Girls Mermaid Princess Dress Cover
PURFEEL Girls Mermaid Princess Dress Kids Mermaid Costume Dress up for Ariel

The PURFEEL Mermaid Dress offers a comfortable and stylish outfit for your child. Its elegant off-shoulder design adds a touch of charm, perfect for special occasions. The dress uses high-quality materials, ensuring your little one feels cozy all day long. The layered skirt features a delicate white tulle with embroidery on top, with two layers of teal tulle beneath, creating a full and fluffy look without itchiness. An oversized bowknot adds a graceful touch, and you can easily remove or reposition it to suit your preference. This dress is ideal for mermaid-themed parties, birthdays, Halloween, or even casual wear.

What We Like
Comfortable high-quality fabric
Elegant off-shoulder design
Full, fluffy layered skirt
Removable oversized bowknot
Buying Guide Image
Editor's Notes

During our kids' ariel costume research, we found 24 kids' ariel costume products and shortlisted 4 quality products. We collected and analyzed 17,589 customer reviews through our big data system to write the kids' ariel costumes list. We found that most customers choose kids' ariel costumes with an average price of $23.61.

The kids' ariel costumes are available for purchase. We have researched hundreds of brands and picked the top brands of kids' ariel costumes, including Disney, Disney Princess, CVNHMG, PURFEEL. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Jimmy Roof Avatar

Jimmy Roof is a toy designer who lives in Chicago with his family. He works in a big toy firm, so he is surrounded by toys every day. Throughout his career, he has developed expertise in children's toys, baby products and preschool education. Jimmy Roof often publishes articles related to toys on key websites.