Ariel dress for kids - Princess Ariel costume
New

Ariel Kids Costume

☆☆☆☆☆ Be the first to review
$33.79
Free shipping · USA & Canada
An adorable Ariel dress for kids in true sizes 3T–10. This sparkly, comfy Little Mermaid costume is perfect for Halloween, birthdays, and Disney trips — with free shipping on every order. Shop now!
🔒Secure checkout
↩30-day returns
🚚Free shipping
💬Fast support
🚚
Estimated delivery: Oct 5 – Oct 12

Order by Sep 28 · Ships in 1–2 days · 5–10 day transit

DisneyDress is an independent store and is not affiliated with or endorsed by The Walt Disney Company.

Ariel Dress for Kids Who Love the Little Mermaid

Happy little girl wearing her new Ariel dressThis enchanting Ariel dress lets your little one dive straight into the magic of the Little Mermaid. Inspired by Disney’s Princess Ariel, this kids’ costume brings her under-the-sea world to life with a glittery, shimmering design that sparkles with every step. Soft, flowy, and easy to wear all day long, it is made for twirling, playing, and endless dress-up adventures. It comes in true kids’ sizes 3T, 4T, 5, 6, 7T, 8, and 10, so finding her perfect fit is simple.

Why She’ll Love This Ariel Dress

Every detail of this Ariel dress is designed for maximum princess magic and all-day comfort. The shimmering bodice and flowing skirt catch the light beautifully as she moves, giving her that mermaid glow every little Ariel fan dreams about. The sparkling details are securely attached for lasting wear, and the dress holds up beautifully to repeat performances, school plays, and countless twirls around the living room. The lightweight, flowy design is easy for kids to put on and take off by themselves, which means more playtime and less fuss for parents. Whether she is heading to a birthday party, a Disney vacation, or just ruling her own backyard kingdom, this costume keeps her comfortable from morning to night.

A True-to-Size Fit, From Toddlers to Big Kids

We know the right fit matters, so this Ariel dress is available in a full range of kids’ sizes: 3T, 4T, 5, 6, 7T, 8, and 10. Toddlers, little girls, and big kids can all find their perfect Little Mermaid look. We recommend choosing her usual clothing size for the most comfortable fit, and checking the size chart if she is between sizes. Every size is cut with room to move, so she stays comfortable whether she is dancing, posing for photos, or hunting for treasure under the sea.

Perfect for Every Magical Occasion

This versatile Ariel dress shines at every event on your calendar. It makes a show-stopping Halloween costume, a dreamy birthday outfit, and an unforgettable Disney trip dress. It is also wonderful for themed parties, family photo shoots, school dress-up days, library story time, and princess-themed playdates with friends. Pair it with her favorite seashell accessories and a red hair bow to complete the transformation, or let the sparkling dress speak for itself.

Matching Ariel Looks for the Whole Family

Want the grown-ups to join the fun? Check out our Princess Ariel Costume for Adults so mom can match her little mermaid for Halloween or Disney trips. For a spookier seasonal twist, don’t miss the Halloween Ariel Mermaid Princess Dress. You can also browse our full collection of princess dresses for kids to find her next favorite character.

Frequently Asked Questions

What sizes does this Ariel dress come in?
This kids’ Ariel dress is available in sizes 3T, 4T, 5, 6, 7T, 8, and 10. Choose her usual size for the best fit.

What is included with the costume?
Your order includes the Ariel dress shown in the product photos — the star of any Little Mermaid costume.

Is shipping free?
Yes! This Ariel dress ships with free shipping, so there are no surprise costs at checkout. Delivery times vary by location, so we recommend ordering early for Halloween, birthdays, and Disney trips.

What occasions is this dress good for?
Halloween, birthday parties, Disney vacations, themed parties, photo shoots, and everyday dress-up play — this versatile Ariel dress works for them all. Shop now and make her mermaid dreams come true!

Measurements are taken from shoulder to hem. We recommend measuring from your child's shoulder down to the knee for the ideal fit.

Kids Size Chart

Choice SizeLength (cm)Length (inch)Chest (cm)Chest (inch)Suggested Height
3T53cm21"50cm (25*2)20"80–90cm
4T56cm22"54cm (27*2)21"90–100cm
5T60cm24"58cm (29*2)23"100–110cm
6T63cm25"60cm (30*2)24"110–120cm
7T66cm26"64cm (32*2)25"120–130cm
8T69cm27"66cm (33*2)26"130–140cm
10T74cm29"70cm (35*2)28"140–150cm

* Remark: Please notice there is a measurement tolerance in 1-2cm.


Adult Size Chart

SizeUS SizeBust (in)Waist (in)Hip (in)Length (in)
S4–634–3526–2736–3738
M8–1036–3728–2938–3939
L12–1438–4030–3240–4240
XL16–1841–4333–3543–4541
XXL20–2244–4636–3846–4842
  • Machine wash cold, inside out
  • Line dry or lay flat
  • Light steam or iron if needed
  • Dry clean optional
  • Do not tumble dry on high heat
  • Do not bleach

Shipping

  • Free standard shipping · USA & Canada
  • Delivery: 5–10 business days
  • Processing: 1–2 business days
  • Tracking number sent by email

Returns

  • 30-day easy returns
  • Items must be unworn & unwashed
  • Free return shipping on US orders
  • Refunds within 5–7 business days

Reviews

There are no reviews yet.

Be the first to review “Ariel Kids Costume”

Your email address will not be published. Required fields are marked *

You may also like…

  • Mermaid Womens Costume to Pinterest (opens in a new window)
    New

    Princess Dresses (Adults)

    Mermaid Womens Costume

    $40.94

Ariel Kids Costume

$33.79