Best Classic One-Piece Swimsuits for Girls of 2025

John Zimmer Avatar
John Zimmer
Last Updated: 30 Jan 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Classic one-piece swimsuits for girls are a timeless and stylish choice for any beach or poolside adventure. These swimsuits offer a comfortable and secure fit, allowing girls to enjoy their swim without any worries. With a variety of colours and patterns to choose from, there is a swimsuit to suit every girl's taste. Made from high-quality materials, these swimsuits are designed to withstand hours of play in the water while maintaining their shape and colour. Whether splashing in the waves or building sandcastles, these classic one-piece swimsuits are a must-have for any young swimmer.

At a Glance: Our Top Picks

ZNYUNE Girls' Lemon Print One-Piece Swimsuit Cover #TOP 1
ZNYUNE Girls' Lemon Print One-Piece Swimsuit
ftb score rating icon 9.8
imKutie Girls One Piece Swimsuit for Ages 3-10 Cover #TOP 2
imKutie Girls One Piece Swimsuit for Ages 3-10
ftb score rating icon 9.7
PUPYGIYUC Mermaid Swimsuit for Girls Cover #TOP 3
PUPYGIYUC Mermaid Swimsuit for Girls
ftb score rating icon 9.5

Top 4 Classic One-Piece Swimsuits for Girls

#TOP 1

ZNYUNE Girls' Lemon Print One-Piece Swimsuit

F472-lemon
4-5 Years
ZNYUNE Girls' Lemon Print One-Piece Swimsuit Cover
ZNYUNE Girls' Classic Print One-Piece Swimsuit, F472-lemon, 4-5 Years

The ZNYUNE One-Piece Swimsuit is crafted from a lightweight blend of 80% polyamide and 20% spandex, making it quick-drying and easy for your child to put on and take off. The well-cut design and vibrant colours highlight the youthful beauty of girls, perfect for making a splash at the beach or pool. This swimsuit is an ideal choice for holidays and swimming lessons, ensuring your little one feels comfortable and stylish. Remember to hand wash it with cool water to maintain its quality.

What We Like
Lightweight and quick drying
Bright and vibrant design
Perfect for holidays and lessons
Easy to put on and take off
#TOP 2

imKutie Girls One Piece Swimsuit for Ages 3-10

Jstyle046BM
Black
9-10 Years
imKutie Girls One Piece Swimsuit for Ages 3-10 Cover
imKutie Girls Swimsuit, Kids One Piece Racerback Swimwear Athletic Quick Dry Swimming Costume UPF 50+ Beach Bathing Suit for 3-10 Years Black

The imKutie Girls Swimsuit is designed for comfort and protection. With its high-quality UPF 50+ material, it keeps your little ones safe from harmful sun rays while being breathable and quick-drying. The comfortable design features wide shoulder straps and a U-shaped back, ensuring a pleasant fit during all their water activities. Whether they're swimming, playing, or surfing, this one-piece suit is perfect for various beach or pool occasions. It's easy for kids to put on and take off, making it a hassle-free choice for parents.

What We Like
UPF 50+ sun protection
Breathable and quick-drying
Comfortable fit for active play
Easy to wear and remove

PUPYGIYUC Mermaid Swimsuit for Girls

PUP-017
Pink-01
9-10 Years
PUPYGIYUC Mermaid Swimsuit for Girls Cover
PUPYGIYUC Girls Swimming Costumes Mermaid Swimsuit Gilrs All in One Swimming Costume Long Sleeve Zipper Beach Bathing Swimwear for 9-10 Years Kids Pink

The PUPYGIYUC Girls Swimsuit is a charming one-piece long sleeve costume designed with a delightful 3D mermaid pattern. Made from high-quality materials, it provides excellent elasticity and durability, ensuring your child can move freely while swimming or playing. The SPF 50+ rating protects against harmful UV rays, making it perfect for sunny days at the beach. With a convenient front zipper, dressing and undressing becomes hassle-free, allowing for more fun in the water.

What We Like
Adorable 3D mermaid design
SPF 50+ UV protection
Soft and comfortable material
Easy on and off zipper
Suitable for various activities
#TOP 4

NIUAOAO Mermaid Long Sleeve Swimsuit for Girls

NIUAOAO
Pink-01
7-8 Years
NIUAOAO Mermaid Long Sleeve Swimsuit for Girls Cover
NIUAOAO Girls Swimming Costumes Mermaid Swimsuit Gilrs All in One Swimming Costume Long Sleeve Zipper Beach Bathing Swimwear for 7-8 Years

The NIUAOAO Mermaid Swimsuit is a delightful one-piece costume designed for girls aged 7-8 years. It features a charming 3D mermaid pattern, ensuring your little one stands out while enjoying water activities. Made from a high-quality blend of 83% polyester and 17% spandex, it offers excellent elasticity and comfort. The long sleeves provide essential coverage from the sun, rated SPF 50+, giving you peace of mind during outings. The convenient front zipper makes dressing and undressing quick and easy, enhancing the overall experience for both you and your child.

What We Like
Charming 3D mermaid design
High-quality, soft material
SPF 50+ sun protection
Easy to put on and take off
Buying Guide Image
Editor's Notes

During our classic one-piece swimsuit for girls research, we found 306 classic one-piece swimsuit for girls products and shortlisted 4 quality products. We collected and analyzed 6,234 customer reviews through our big data system to write the classic one-piece swimsuits for girls list. We found that most customers choose classic one-piece swimsuits for girls with an average price of £15.93.

The classic one-piece swimsuits for girls are available for purchase. We have researched hundreds of brands and picked the top brands of classic one-piece swimsuits for girls, including ZNYUNE, imKutie, PUPYGIYUC, NIUAOAO. The seller of top 1 product has received honest feedback from 28,459 consumers with an average rating of 4.2.

Written by
John Zimmer Avatar

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.