Best Mermaid Nighties for Girls of 2026

Name: GRPSKCOS Girls Nightdress Girls' Nighties Doll & Girl Matching Butterfly Nightie Mermaid Nightshirts Rainbow Sleepwear Short Sleeve Pyjamas Princess Dress Nightgown
Brand: GRPSKCOS

John Zimmer

Last Updated: 3 Feb 2026

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Introducing the enchanting Mermaid Nighties, a delightful choice for young girls who dream of underwater adventures. These whimsical nightgowns are designed with vibrant colours and shimmering fabrics to evoke the magical world of mermaids. With their comfortable fit and charming details, such as sequin scales and flowing tails, these nighties are sure to make bedtime an exciting and imaginative experience. Crafted with quality and attention to detail, these Mermaid Nighties are a delightful addition to any little girl's sleepwear collection.

At a Glance: Our Top Picks

#TOP 1

GRPSKCOS Girls Nightdress Girls' Nighties Doll & Girl Matching Butterfly Nightie Mermaid Nightshirts Rainbow Sleepwear Short Sleeve Pyjamas Princess Dress Nightgown

9.8

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GRPSKCOS Girls Nightdress Girls' Nighties Doll & Girl Matching Butterfly Nightie Mermaid Nightshirts Rainbow Sleepwear Short Sleeve Pyjamas Princess Dress Nightgown

#TOP1

9.8

Read Review

#TOP 2

HYCLES Girls' Nighties Kids Nightdress Doll and Girl Matching Nighty Short Sleeve Rainbow Dress Mermaid Nightgowns Pajames

9.7

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HYCLES Girls' Nighties Kids Nightdress Doll and Girl Matching Nighty Short Sleeve Rainbow Dress Mermaid Nightgowns Pajames

#TOP2

9.7

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#TOP 3

inlzdz Kids Little Girls Mermaid Rainbow Nightdress Sleepwear Princess Nighties Flutter Sleeve Pajamas Nightgown Nightshirt Rainbow 9-10 Years

9.5

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inlzdz Kids Little Girls Mermaid Rainbow Nightdress Sleepwear Princess Nighties Flutter Sleeve Pajamas Nightgown Nightshirt Rainbow 9-10 Years

#TOP3

9.5

Read Review

Top 10 Mermaid Nighties for Girls

#TOP 1

GRPSKCOS Girls Nightdress Girls' Nighties Doll & Girl Matching Butterfly Nightie Mermaid Nightshirts Rainbow Sleepwear Short Sleeve Pyjamas Princess Dress Nightgown

GRPSKCOS

01 Mermaid

5-6 Years

GRPSKCOS Girls Nightdress Girls' Nighties Doll & Girl Matching Butterfly Nightie Mermaid Nightshirts Rainbow Sleepwear Short Sleeve Pyjamas Princess Dress Nightgown(01 Mermaid, 5-6 Years)

9.8

FTB Score

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Features

Lovely Girls & Doll Matching Nightgown: Delight Your Little One With Our Matching Set: One Girls Nightdress And A Mini Version Of The Same Nightdress 18-Inch Doll (doll Not Included). Perfect For Imaginative Play, This Girls' Nighties Duo Encourages Bonding And Joyful Role-Playing, Turning Bedtime Into A Magical Shared Experience

Soft And Comfortable Nightdress: Crafted From A Premium Polyester-Spandex Blend, This Girls Nightdress Offers Exceptional Elasticity And Breathability. The Skin-Friendly Fabric Ensures A Gentle Touch Against Delicate Skin, Providing Cloud-Like Softness For All Night Comfort. Girls Pyjamas Non-Irritating Construction Makes It Ideal For Sensitive Wearers, Guaranteeing Peaceful Sleep

Various Occasions: Versatile Girls Pyjamas Work Beyond Bedtime. Ideal For Sleepwear, Daily Loungewear, Or Festive Events Like Christmas And Birthday Parties. This Nightwear Transitions Seamlessly From Playdates To Girls Pajama Parties, Making It A Year-Round Favorite. A Must-Have Nighties For 3-12 Years Active Girls

Multiple Sizes Available: Seven Sizes Cater To Heights 37–65 Inches And Weights 26–128 Lbs. Our Detailed Size Chart (based On Shoulder Width, Chest, And Height) Ensures The Perfect Fit. Whether Petite Or Tall, Every Girl Finds Her Cozy Match In These Girls Nighties

Cute Princess Style Nighties: Adorned With An Elegant Neckline, Flutter Sleeves, And Swing Pleated Hems, This Night Gown Features Whimsical Prints Like Rainbows, Mermaids, And Butterflies. Fine-Stitched Details Ensure Durability, While The Playful Cat Or Floral Patterns Add Charm. A Dreamy Choice For Little Princesses

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#TOP 2

HYCLES Girls' Nighties Kids Nightdress Doll and Girl Matching Nighty Short Sleeve Rainbow Dress Mermaid Nightgowns Pajames

HYCLES

1# Mermaid

9-10 Years

HYCLES Girls' Nighties Kids Nightdress Doll and Girl Matching Nighty Short Sleeve Rainbow Dress Mermaid Nightgowns Pajames for Girls

9.7

FTB Score

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Features

[Unique Pattern Design] : HYCLES Girls' Nightgowns Feature Crisp, Whimsical Patterns And A Princess-Dress Silhouette, Fulfilling Every Little Girl's Dream Of Being A Princess.

[Skin-Friendly And Breathable] : Crafted From Premium Fabrics, This Girls' Nighties Is Soft Against The Skin, Minimising The Risk Of Skin Irritation Or Redness From Friction. It Is Perfectly Suited For Children To Wear Whilst Sleeping.

[Set Specifications] : This Girls' Nightdress Set Comprises One Girls' Nightdress And One Doll's Dress, Doll Not Included, To Enhance Interaction Between Child And Doll.

[Multiple Sizes Available] : Our Girls' Pajames Offer Flexible Sizing With A Range Of Options To Suit Your Child's Growth Needs, Making Them The Perfect Gift For Girls Aged 3 To 12.

[Easy To Clean And Hard-Wearing] : This Pajames For Kids Are Suitable For Both Hand Washing And Machine Washing. Patterns And Fabric Colours Remain Vibrant Even After Multiple Machine Washes, Reducing The Burden Of Frequent Washing For Parents.

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#TOP 3

inlzdz Kids Little Girls Mermaid Rainbow Nightdress Sleepwear Princess Nighties Flutter Sleeve Pajamas Nightgown Nightshirt Rainbow 9-10 Years

inlzdz

Rainbow

9-10 Years

inlzdz Kids Little Girls Mermaid Rainbow Nightdress Sleepwear Princess Nighties Flutter Sleeve Pajamas Nightgown Nightshirt Rainbow 9-10 Years

9.5

FTB Score

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Features

Warm Tip: Please Check The Detail Size Information Before Purchasing. Thanks

Material: Cotton And Spandex,Skin-Friendly Fabric, Soft And Comfortable To Wear. Hand Wash, Machine Washable

Pull On Closure, Above Knee Length, Loose Fit.

Occasion: Suitable For Pajama Party, Photos, Night Wear, Homewear ,birthday And Christmas Gifts Etc

Design: Short Flutter Sleeves, Round Neckline, A-Line Style, Allover Is Printed With Mermaid Scales And Rainbow Pattern

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#TOP 4

TiaoBug Kids Toddler Girls Mermaid Rainbow Nightdress Princess Nighties Flutter Sleeve Pajamas Nightgown Nightshirt Rainbow 7-8 Years

TiaoBug

Rainbow

7-8 Years

TiaoBug Kids Toddler Girls Mermaid Rainbow Nightdress Princess Nighties Flutter Sleeve Pajamas Nightgown Nightshirt Rainbow 7-8 Years

9.3

FTB Score

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Features

Warm Tip: Please Check The Detail Size Information Before Purchasing. Thanks

Material: Cotton And Spandex,Skin-Friendly Fabric, Soft And Comfortable To Wear. Hand Wash, Machine Washable

Pull On Closure, Above Knee Length, Loose Fit.

Occasion: Suitable For Pajama Party, Photos, Night Wear, Homewear ,birthday And Christmas Gifts Etc

Design: Short Flutter Sleeves, Round Neckline, A-Line Style, Allover Is Printed With Mermaid Scales And Rainbow Pattern

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#TOP 5

SOIBEEN Girls Nighties Mermaid Cat Nightgowns 2-Pack Nightdress Cotton Short Sleeve Sleepwear

SOIBEEN

2-3 Years

SOIBEEN Girls Nighties Mermaid Cat Nightgowns 2-Pack Nightdress Cotton Short Sleeve Sleepwear for Girls 2-3 Years

9.1

FTB Score

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Features

[Pack Of 2 Package] Each Set Includes Two Nightgowns With Similar Patterns And Different Colors, Which Can Meet Your Little Girls' Two Needs At One Time

[3D Printing] High Resolution 3D Dye Printing Creates The Pattern Vibrant And Colorful, No Color Fading.

[Pack Of 2 Package] Each Set Includes Two Nightgowns With Similar Patterns And Different Colors, Which Can Meet Your Little Girls' Two Needs At One Time

[Occasion] These Nightdresses Are Suitable For All Seasons. Suitable For Sleeping, Casual Wear, Pajama Party.

[4 Sizes To Choose]Available For 2-9 Years Old Girls. Please Refer To The Size Chart Carefully To Choose The Right Size.

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#TOP 6

duxyoz Girls Nightdress Princess Nighties Nightwear Flutter Sleeve Nightgown Comfy Pajamas Sleepwear Summer Sleepshirt Pjs Cute Printed Mermaid Night Dress Sleepsuits Homewear Loungewear 3-4 Years

duxyoz

breathable clothes

07 Blue

3-4 Years

duxyoz Girls Nightdress Princess Nighties Nightwear Flutter Sleeve Nightgown Comfy Pajamas Sleepwear Summer Sleepshirt Pjs Cute Printed Mermaid Night Dress Sleepsuits Homewear Loungewear 3-4 Years

9.1

FTB Score

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Features

Soft And Comfortable Nightgown: Made From Quality Fabric, This Nightdress Is Incredibly Soft And Gentle On Your Kid's Skin, Ensuring Maximum Comfort All Day Long

Girls' Princess Nightgown: Let Your Little One Feel Like Princess In This Adorable And Stylish Dress Featuring A Princess-Inspired Design

White Pink Nightgown Sleepwear 4 Girls Nightdress Nightwear Rise Of Red Short Sleeve Nighties Sleepwear Dress For Girls Girls Cotton Nightgown Pink 3-14 Years Old Nightdress Short Sleeve Princess Nightdress For Girls Ages 18 Months To 10 Years Girls' Cotton Dress Short Sleeve Sleep Gown 3-14 Years Old Pink White Nightdress Girls Nightdress Fashionista Girls Nightie Ages 3 To 10 Years Girls Nightgowns Girls' Nighties 2-Pack Nightdress Kids Night Shirt Sleepsuits Girls

Sleepwear Dreamy Nightdress With Frill Sleeves Girls Nighdtress Gabby's Nightie Girls Nighties Print Nightgowns 2-Pack Nightdress Cotton Sleepwear For Girls 2-9 Years Surprise! Nightdress Girls Short Sleeve Lol Nightie Girls Blue Nightie Nightdress Girls Nightdress Kids Nightie Sleepwear Dreamy Nightdress With Frill Sleeves Nighgown For Girls Lace Nightwear Sweet Nightdress For Kids Soft Toddler Sleepwear Knitted Cotton Nightgown 3-12 Years Girls Nightdress Short Sleeve

Girls Nightdress Age 8-9 Girls Nightdresses Age 14 - 15 Years Girls Nightdress Long Sleeve Girls Nightdress 5-6 Years Girls Nightdress 10-11 Years Uk Girls Nightdress Vintage Girls Nightdress 3-4 Years Girls Nightdress Age 13-14 Girls Nightdress 6-7 Years Pink Long Sleeve Nightdress Girls Girls Long Sleeve Nightdress Girls Nightdresses Long Sleeve Cotton Nightdress Girls Girls Nightdress 3-4 Years Long Sleeve Girls Nightdress 7-8 Years Girls Cotton Nightdress 7-8 Years

Dress Up Nightie Nightshirt Nighty Fully Printed Back Girls Cotton Short Sleeve Nightgown Strawberry Watermelon Pjs Dress 3-12 Years White Pink Grils Cotton Dress Soft Nightgown Vary Colors 2-10 Years Old Nightdress Short Sleeve Girls' Nighties Nightie For Kids Toddler Baby Girls Nightgowns Long Short Sleeve Sleep Shirt Cotton Princess Sleepwear Pajama Dress Girls Nightdress Floral Nightie Short Sleeve Girls' Nighties Ages 2 To 10 Years Girls Blue Nightdress Kids

Ballet Dance Leotard Gymnastics Leotard Costume Dancewear With Tutu Skirt Girl's Ballet Lyrical Dance Dress Gymnastics Tutu Skirted Leotard Ballerina Dancing Costume Sequined Camisole Kids Girls Classic Long Sleeve Leotard Dance Ballet Dress 2-10 Years Kids Girls Sequins Tassel Latin Dance Dress Sleeveless Fringe Flapper Dancing Dress Jazz Rumba Dancewear For 5-14 Years Teens Girls Lyrical Contemporary Modern Dance Dress Kids Ice Skating Ballet Leotard Tutu Dress

Casual Yet Stylish: This Dress Effortlessly Combines Casual And Chic Style, Making It Suitable For Both Everyday Wear And Special Occasion

Available In Various Sizes: Designed For Girls Aged 3-12 Years, This Dress Offers A Perfect Fit For All Little Princesses, Ensuring They Look Their Best At Any Age

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#TOP 7

Disney Princess Girls Nightdress, Belle Rapunzel and Ariel Nightie

Disney

Pink

7-8 Years

Disney Princess Girls Nightdress, Belle Rapunzel and Ariel Nightie Cover

Disney Princess Girls Nightdress, Belle Rapunzel and Ariel Nightie, Ages 3 to 8 Years Old (7-8 Years) Pink

8.9

FTB Score

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Features

An Amazingly Cute Girls Disney Princess Nightie, Perfect For Any Fan. It Has A High Quality Print Of Belle From Beauty And The Beast, Rapunzel And Ariel From The Little Mermaid. Made In Such A Cute Baby Pink Colour Its An Adorably Cute Nightie For Any Young Girl.

Official Disney Princess Nightdress For Girls - This Cute Princess Dress Is Perfect For Any Young Disney Fan. A Soft Nightie For Toddlers And Young Girls That Will Ensure A Comfortable And Warm Nights Sleep.

The Perfect Gift/Present For Any Toddlers Or Older Girls Up To 8 Years Old. Ideal For Xmas Or Birthday Gifts For Girls. Our Nighties For Girls Are The Perfect Nightwear To Lounge Around In The House Or Have A Beautiful Sleep At Night.

SIZES AVAILABLE: Our Gorgeous Princess Nightshirt Is Available In Size 3-4 Years, 4-5 Years, 5-6 Years, 6-7 Years And 7-8 Years Old This Disney Nightie Is True To Size So Buy With Confidence. These Fun Nightwear For Kids Are Great As Princess Gifts For Girls. Please Refer To Size Guide In Image Section For Detailed Size Specs.

Our Girls Princes Nightie Is Officially Licensed Disney Merchandise And Exclusively Designed For Characterville.

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#TOP 8

iiniim Girls Princess Nightgown for Mermaid Rainbow Cotton Pajamas Dress Kids Sleepwear Night Dresses Rainbow 9-10 Years

iiniim

Rainbow

9-10 Years

iiniim Girls Princess Nightgown for Mermaid Rainbow Cotton Pajamas Dress Kids Sleepwear Night Dresses Rainbow 9-10 Years

8.7

FTB Score

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Features

Size Table Means Age Ranges For Girls, But They Are For General Guidance Only

Nightdress Is Made Of Cotton And Spandex Material, Hand Wash, Machine Washable

Suitable For Pajama Party, Photos, Night Wear, Homewear ,birthday And Christmas Gifts Etc

Short Flutter Sleeves, Round Neckline, A-Line Style, Allover Is Printed With Mermaid Scales And Rainbow Pattern

Pull On Closure, Above Knee Length, Loose Fit.Skin-Friendly Fabric, Soft And Comfortable To Wear

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#TOP 9

Disney Lilo & Stitch Girls Nightie 11-12yrs

Disney

Purple

11-12 Years

Disney Lilo & Stitch Girls Nightie 11-12yrs Cover

Disney Lilo & Stitch Girls Long Sleeved Nightie/Nightdress 11-12yrs Purple

8.5

FTB Score

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The Disney Lilo & Stitch Nightie offers a delightful nightwear option for young fans. Its officially licensed design features beloved characters Angel and Stitch, making bedtime more enjoyable. The high-quality sublimation print ensures that the vibrant colours remain intact even after multiple washes. Made from 100% polyester, this nightie is soft and comfortable, perfect for a restful night's sleep. Additionally, it is ethically sourced, allowing you to feel good about your purchase.

What We Like

Adorable character design

High-quality, wash-resistant print

Soft and comfortable material

Ethically sourced product

#TOP 10

duxyoz Girls Nightdress Pyjamas Ruffle Short Sleeve Princess Nightie Fashion Tie Dye Cute Sleepwear Casual Pajama Dress Crew Neck Soft Comfy Nightshirts Nightwear 01 Dark Blue 9-10 Years

duxyoz

breathable clothes

01 Dark Blue

9-10 Years

duxyoz Girls Nightdress Pyjamas Ruffle Short Sleeve Princess Nightie Fashion Tie Dye Cute Sleepwear Casual Pajama Dress Crew Neck Soft Comfy Nightshirts Nightwear 01 Dark Blue 9-10 Years

8.5

FTB Score

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Features

Feature: Loose Fit Girls Pajama Dress Perfect For Pajamas Party, Bedtime And Daily Homewear

Material: Super Soft, Lightweight, Breathable And Comfortable Girls Nightgown

Years Tween Girls 2025 Summer Dresses Kids Chiffon Dress Size 6-15 Years Princess Ariel Toddler Girl Dress Character Print Casual Floral Dresses For 2-6 Years Girls Casual Maxi Floral Dress Long Sleeve Holiday Dresses With Pockets Girls Mermaid Dress Kids Summer Sleeveless Birthday Sundress Swing Outfit 4-13 Years Toddler Girl's Floral Dress Ruffle Sleeve Dress For Girl Sets Pack Of 2/3 Casual Dresses Set 2-10 Years Tulle Tutu Dress Infant To Big Kid Sizes (12 Months

Nightie Girls Mouse Nightie Nightdress Night Shirt Sizes 2-6 Years Cotton Girls' Dress Ruffle Sleeve Sleep Gown 3-14 Years Old Pink & White Princess Girls Nightie Nightdress Belle Jasmine 2-10yrs Girls Dolls Nightdress Nightdress Polka Dot Girls Nightdress Tikki Nightie For Girls Red Night Dress With Frill Sleeves Ages 5 To 12 Years Grils Cotton Sleepwear Thin Soft Breathable Nightgown 3 Printing 3-12 Years Old Girls Pink Nightie Nightdress Nightdress For Girls

Girls' Princess Nighties Lace Nightgowns Cotton Sleepwear For 3-10 Years Girls' Princess Nighties Heart Print Nightgowns Long Sleeve Sleepwear For 3-12 Years Girls Cotton Long-Sleeve Nightgown Sleepshirts Pajamas Toddler Sleep Dress Princess Nightwear For Girl 3-12 Years Girls Nightgown Long Vintage Toddler Sleep Dress Princess Woven Cotton Nightwear For Girl 3-12 Year Girls Skinny Jeans Denim Stretchy Pants Fashion Fit Trousers For Kids Comfortable And Stylish Available In

For Kids Kids Girls Neon Nightie Flower Pyjama Short Sleeved Summer Nightdress Pjs Orange Sizes 7-8 9-10 11-12 13 Years Girls Encanto Nightdress Mirabel Short Sleeve Nightie Nightshirt With Frill 2 Girls Nightdress Pyjamas Short Sleeve Girls' Nighties Ages 2 To 10 Years Girls Nightdres Girls Nighties Girls Nighties 11-12 Years Girls Nighties 7-8 Girls Nighties 5-6 Years Girls Nighties 7-8 Years Girls Nighties 4-5 Years Girls Nighties 9-10 Years Girls Nighties

Dress Girls Denim Tops Flower Girl Dress Princess Dresses For Girls Party Dresses For Girls 3-14 Years 6-12t Girls Chiffon Dress With Solid Pom Poms & Flutter Ruffle Short Sleeve Kids Lace Square Neck Frocks Toddler Girl Cotton Long Sleeve Casual Halloween Christmas Tunic Playwear Basic Striped Dresses Girl Long Sleeve Dress Ruffle Solid Color Cotton Casual Tiered Pleated Twirly Dress Toddler Girls Casual Dress Farm Horse Print Dresses Flutter Sleeve Clothes 2-8y Girls

Washing Care: Machine Washable But Hand Wash Is Highly Recommended. Hang Or Line Dry. Do Not Bleach

Occasion: Little Girls Night Gowns Suitable For All Seasons, Ideal Present For Birthday, Christmas Or Other Festivals

5-13 Years Perfect For Everyday Wear Casual Outings And School Girls Vintage Nighties Long Sleeve Lace Square Neck Nightdress Princess Nightgown Girls Nightdress Nightie For Girls Girls Nightwear Sleepwear Official Gifts For Girls Girls Nightdress Nightie Pyjamas Girls Nightdress Nightwear Long Sleeve Nighties Sleepwear Dress For Girls 2-Pack Girls Nightdress Girls' Nighties Mermaid Night Dress For Kids Flutter Sleeve Nightgowns Sleepsuits Sleepwear Nightgowns

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Editor's Notes

During our mermaid nighties for girls research, we found 139 mermaid nighties for girls products and shortlisted 10 quality products. We collected and analyzed 3,617 customer reviews through our big data system to write the mermaid nighties for girls list. We found that most customers choose mermaid nighties for girls with an average price of £20.00.

The mermaid nighties for girls are available for purchase. We have researched hundreds of brands and picked the top brands of mermaid nighties for girls, including GRPSKCOS, HYCLES, inlzdz, TiaoBug, SOIBEEN.

Written by

John Zimmer

John Zimmer is a truly professional writer on findthisbest.com. He has specialized in writing content a wide variety of fields for over a decade. Since 2011, he has been using his expertise and extensive experience to write content for online shopping guide websites. In addition to writing for findthisbest.com, he has appeared in publications such as The Spruce, Wirecutter and Bestbuy.