Best Mermaid Kids Costumes in 2026

Cutie stunning princess mermaid dress up clothes casual costume for toddler and little girls! Bundle with accessories set of crown tiara, necklace and wand to complete the look!

Sleeveless dress with tulle ruffles on armhole. Square neckline adorned with pearls and a brooch pin on chest. Double layer tulle skirt with printed mermaid pattern.

Knee length short dress, pullover style for easy dressing. Made of cotton fabric, lightweight, stretchable, and comfortable materials, no itchy! Machine washable.

Package Incudes: Birthday Girl Mermaid T-Shirt * 1 , Rainbow Layered Tutu Dress * 1, Headband * 1, Satin Sash * 1

Material: Tutu: 100% Polyester; T-Shirt: 100% Modal

Super Soft and Comfortable

Machine washable! Clothing quality dress that’s made for everyday play and adventure.

Adorable tank top dress with flowing circle cut skirt that’s perfect for a twirling princesses

No buttons, zippers, or ties to frustrate little fingers.

100% Polyester

Sling fish skirt

Silky touch

3 Pieces Total Little Mermaid Costume, includes Sequin and Lurex Mermaid Dress, Foam Seashells Headband and Long Synthetic Red Hair Wig.

Deluxe Ariel Costume Set for Girls. Super Durable. Superior Quality. 100% Polyester.

Super Value Pack for Role Play. Perfect for Halloween Dress Up Parties, Little Mermaid Costume, Ariel Costuem, Ariel Dress, Mermaid Girl Costume, Undersea Adventure Themed Parties, Halloween Costume Dress Up, Little Mermaid Role Playing, Activity, Everyday Play and More!

Interlock Bodysuit, Headband: 60% Cotton / 40% Polyester; Mesh Tutu: 100% Polyester

Officially licensed Disney Princess Ariel infant girls 3 piece mix n’ match clothing set: cute and stylish short sleeve bodysuit, tutu skirt, and head band

3-snap closure for quick and easy diaper changes; Elastic headband; Fashion bow; Bodysuit with rib knit binding; Soft hand screen print design; Sparkly lurex elastic waistband; Tiered and layered tulle skirt with ballerina mesh underlay; Awesome soft hand screen print with glitter

Adorable mermaid dress costume set for dressing up your little princess;

Breathable cotton tank tops, soft lining, comfortable polyester material;

Patchwork purple green colors, sleeveless tops, fish scale bowtie decor waist A-line short skirt;

Includes princess dress,crown,wand.

Rich accessories, your little princess will love it

No loose glitter,made from non-itchy and comfortable fabric

Baby Girls Mermaid Bodysuit Romper Jumpsuit Summer Sunsuit Outfits

Material:Polyester,Cotton+Tulle

Adjustable Bandage on the top,tulle skirt on the back of dress

Girls Mermaid Costume Includes: 1 mermaid dress with colored LED lights(Batteries not included. Please purchase 3 AAA batteries by yourself) + 1 mermaid headband without LED lights.

LED Light Up Girls Mermaid Costume: The mermaid costume is every girl dreams of. Turn on the colored LED lights of the mermaid dress at night and your girl will be the most beautiful little mermaid princess in the party.

Exquisite Mermaid Element: Mermaid princess dress for girls is made of soft polyester material with starfish and flowers. Striped tulle are handmade.

OFFICIALLY LICENSED Aquaman children's deluxe costume, a trademark of DC Comics; look for authentic logo and trademark on packaging and label

DELUXE Fiber-Filled Muscle Chest jumpsuit, long sleeves with attached 3D Gauntlets on sleeve ends, attached boot tops and waist belt

READ BEFORE BUYING: Costumes are not sized the same as apparel, please review the Rubie's CHILD SIZE CHART IN IMAGES, reviews and Q & A for best fit, do not choose based on clothing size

Toiijoy girls dress up set fits for ages 3-6yrs. This girls set features five complete outfits with additional accessories. Prefect for you little one dress up as princess, fairy, mermaid, bride, pop star

100% polyerter made with well sewing to ensure durability. Soft fabric, super comfortable to wear. 19Pcs included: 4 different tops, 5 different tutus, 1 fairy wings, wand, headband, veil, a pair of shoes, gloves, microphone. Tops feature velcro closure, easy to put on and take off. Adorable tutus with soft elastic waistband

Five complete outfits with enough accessories for multiple kids for dress up similtaneously. All items fits in a cute carry bag. A great idear for little girls birthday gift

Mermaid tutu skirt is made of crochet top and soft nylon tulle, is strech.

Handmade vibrant color mermaid tulle costume decor with starfish and flowers.

Adjustable satin shoulder straps, knitted crochet elastic top bodice, matching a headband.

✨Little Mermaid Ariel princess lace party dress with big bow & Red wig. Trendy short sleeve with cold shoulder style, shinning sequins top design and shell deceration in front. 3 layers girls ball gown green lace dress with inner cotton.

✨Design:This Mermaid Ariel princess costume dress with tulle design on the tail with embroidery , makes the whole princess dress up look elegant, fluffy and cute.Changing the tail to a tulle will not restrict your child's pace and provide a sense of security while walking.

✨Occasion: This Mermaid Airl princess dress up clothes for girls is suitable for cosplay party, birthday party, Halloween Party, Makeup Party, Pageants and Stage Performance,role-playing, or some party organized by the school. Making your girl the most eye-catching little princess in the audience, Mermaid Ariel theme party. It is also suitable as a perfect gift for your little girls.

Mermaid party supplies: Includes mermaid princess dress, gloves and mermaid jewelry set.

Mermaid costume for girls: Made of comfortable polyester fabric and high-quality organza, not itchy. Perfect for princess dress up to realize your little girl’s princess dream.

Mermaid crown: The mermaid headband tiara is made of high-quality material with shiny purple rhinestones.

Mermaid party supplies: Includes mermaid princess dress and mermaid crown jewelry set.

Mermaid costume: Made of comfortable polyester fabric and high-quality organza, not itchy. Fish scales printed skirt with fishtail hem layers, perfect for princess dress up.

Mermaid jewelry set: The necklace has a shiny mermaid tail pendant; the clip-on earrings will take good care of children ears. Perfect match with mermaid costume.

Jersey, 95% Cotton , 5% Polyester

Officially licensed Disney Princess toddler girls cute and stylish short sleeve dress and cute and stylish head band

Featuring Princess Ariel The Little Mermaid design on sublimated satin applique; Silver foil mermaid scale print on the satin lined mesh skirt; Silver glittered belt at waist

【GIRLS MERMAID COSTUME】Include 1 LED light up mermaid dress+ 1 Mermaid headband. It is suitable for 3~8years old girls.（Please purchase 3 Pack AAA batteries separately ）

【LED LIGHT UP DRESS】Girls can wear dress without LED light during the day. At night, when your girls wear it on, she will looks more glamorous.

【EASY to WEAR】Mermaid tulle tutu skirt with adjustable satin shoulder straps, knitted crochet elastic top bodice, It is easy to put on and put off for your girls.

PREMIUM QUALITY: This green mermaid skirt is made of 90% polyester and 10% spandex for required durability and long lasting use. Spandex offers stretchability and polyester offers durability. This dress will last for many years to come.

HANDWASH ONLY: This party wear cannot be machine washed but is easily hand washable. Whenever it needs a cleaning, just handwash with water and your normal detergent and hang to dry. It will be ready for use again.

MULTIPLE SIZES: This mermaid dress is available in four sizes: X-small/small, Small/medium, Medium/large and Large/X-large. There is a size for everyone. It is also available in three beautiful colors: green, blue and purple.

Perfect Princess Gift Exclusively for your girls ages 3,4,5,6 years old with help improve their imagination ability.She will love mixing and matching with 4 different princess outfits and will have hours of fun dressing up as her favorite characters

Complete Princess Dress up set feature four different role. Pink super girl, Rainbow unicorn princess, pink fairy,purple mermaid. 15 pieces included four tops, four skirts, one cape, two fairy wings, one unicorn headband,one princess wand,one mask. All dress up clothes and accessories neatly store in a cute reusable cardboard. Ideal for daily dress up or party favors and enjoys endless fun of dress up play

Attractive Girls Costume set of 4 princess skirts all feature super stretchy elastic waistband for your little one most comfort. Rainbow unicorn skirt feature detachable colorful tail. Tops and cape all with Velcro closure for easily put on and take off. All dress up costumes are made from soft and durable fabric for comfort fit and lasting use

☺【Soft Fabric】One size suitable for girls age 2-5. 100% quality polyester made with well sewing to ensure durability and comfort. Soft fabric won't against the girls delicate skin. No itchy. Hand wash is recommended.

☺【Large Bag for Easy Storage】Exquisite plastic storage bag includes 25pcs. 4*skirts, 1*pair of gloves, 2*fairy wings, 4*princess wands, 1*purple bag, 6*headbands, 1*crown, 1*ring, 1*pair of earrings, 1*necklace, 1*floral wreath, 1*purple deluxe plastic bag. Everything is packed in a beautiful bag for easily storage and carry.

☺【Multi Theme Dress up】The Little Girls dress up clothes set provides a variety of role-playing clothing and accessories, giving the baby girls more options to match. Perfect for your little girl and her best friend play together and dress up as princess, fairy and little mermaid. With different pretend play outfits to release their imagination and let girls get more fun in the dress up game.

Princess Girls Dress Up Set: Comes with everything a little girl person needs to become a princess! It includes princess cape,princess dress,princess crown tiara, princess wand, earring, ring, necklace. Available in various colors such as:Snowflake Blue,Fairy Pink, Mermaid Purple,Rainbow Unicorn Costume...Recommended Ages: 3-8 Years.

Fashion Cape: The cape can perfectly display the princess temperament, which is made of soft and high-quality gauze fabric. There are soft golden shoulder straps at the neckline and lovely balls on the shoulder straps. It's stylish and keeps your cape from falling off. The long light princess cape, studded with stars and moon sequins, is very dazzling to make your little princess stand out from the crowds.It's a must for kids' dress up & pretend play.

Princess Dresses For Girls: We add a beautiful princess dress to the suit, which will give the little princess a surprise. It is made of the same material and technology as the cape for perfect match. It can also be worn alone as a skirt or tutu. Put on a dress to dance ballet, and then put on a cape as dancing fairy princess. The waistband of the skirt is designed with elastic straps.

Gorgeous Minnie Mouse style with a bow tie,also have Mickey Mouse, Minnie mouse ,Snow White, Mermaid,Belle,Cinderella,Rapunzel,Anna,Elsa,Moana,Elena,Sleeping girl,Tinkerbell..other character princess dress in our store

Made of stretchable cotton and very comfortable, machine washable,hung it to dry, printed fabric,a best Birthday Outfit for cute girls, Vintage Polka Dot costumer also good for 1st 2nd 3rd 4th 5th 6th 7th 8th birthday and My First Disney

Summer dress,Red and black color,glitter and Classic design for mini party supplies Cosplay,hallowen and dance Party, Leotard Dresses Up for girls

Mermaid Dress for Girls Includes: 1 x Mermaid Dress, 1 x Mermaid Wig, 1 x Light-up Headband, 1 x Necklace, 1 x Gloves

High Quality: This Ariel character inspired dress is made high quality polyester with some stretch to it, It is not meant to be a tight fit and comfortable to wear

Fish scales printed skirt with wide fishtail hem layers, let your little princess become a real mermaid. The Fish scales is sewed on the dress that is durable and will not fall off

Child's Pink Mermaid Costume - Small

Full length pink dress with ocean décor accents

It is a type of fin skirt

Rubies Magical Mermaid Costume, Medium

Magical mermaid shimmering costume dress

1-Piece mermaid dress with foam tail and printed accents

👸Fit for Child, made of non-itchy and comfortable fabric, the best gift for your little princess.

👸Girl’s Long Sleeve Mermaid Dress Sequined shoulder, chest with polka dots pattern.

👸Open mermaid fins with netting for additional fullness.

Soft Material: This mermaid princess dress is made of imported fabrics and high-quality tulle, with an inner lining, that's suitable for people with sensitive skin, comfortable and breathable, skin-friendly, and durable. Exceed your expectations.

Novel Design: This princess costume has a unique design. The top is inlaid with hand-sewn sequins. There is a detachable bow on the back and a decorative purple shell pattern on the chest. The skirt is 2 layers of green fabric and a thin layer of white fabric that create a very unique green. The hem of the tulle is embroidered, which is very elegant and majestic.

Unforgettable Memories: Create a beautiful memory with your little girl! When wearing this dress, she'll feel like a sparkling and lovely magical mermaid princess.

🧜‍♀️‍Girls birthday purple and green mermaid princess dress, little mermaid dress for Ariel Princess Character

🧜‍♀️‍This listing includes 1 Ariel character inspired dress. It is made soft and comfortable with some stretch to it. It is not meant to be a tight fit, instead a soft, dress that is great for warm weather!

🧜‍♀️‍Fish scales printed skirt with wide fishtail hem layers, let your little princess become a real mermaid

Officially licensed product

Product includes: dress with character cameo.

Satin and organza bodice with character glitter print