Best Hatley One-Piece Swimsuits for Girls of 2026

John Zimmer Avatar
John Zimmer
Last Updated: 3 Feb 2026

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Hatley offers a stunning collection of one-piece swimsuits for girls. These swimsuits are designed with style and comfort in mind, making them perfect for a day at the beach or by the pool. The swimsuits come in a range of vibrant colours and eye-catching patterns, ensuring that every girl can find a style that suits her. Made from high-quality materials, these swimsuits are durable and long-lasting. With Hatley's one-piece swimsuits, girls can confidently enjoy their time in the water while looking fashionable.

At a Glance: Our Top Picks

Hatley Girls Jelly Bean Rainbow Tankini Cover #TOP 1
Hatley Girls Jelly Bean Rainbow Tankini
ftb score rating icon 9.8
Hatley Girl's Tropical Mermaid Swimsuit Cover #TOP 2
Hatley Girl's Tropical Mermaid Swimsuit
ftb score rating icon 9.7
Hatley Girls' Pretty Sea Turtles Swimsuit Cover #TOP 3
Hatley Girls' Pretty Sea Turtles Swimsuit
ftb score rating icon 9.5

Top 5 Hatley One-Piece Swimsuits for Girls

#TOP 1

Hatley Girls Jelly Bean Rainbow Tankini

S23JBK1490
Jelly Bean Rainbow
7 Years
Hatley Girls Jelly Bean Rainbow Tankini Cover
Hatley Girls Sleeveless Tankini Two Piece Swimsuit, Jelly Bean Rainbow, 7 Years

The Hatley Jelly Bean Tankini offers excellent sun protection with its chemical-free UPF 50+ fabric, ensuring your child is shielded from harmful rays. Its fully lined design provides a soft and comfortable feel, perfect for long days at the beach or pool. The swimsuit is also chlorine and saltwater resistant, making it durable for all aquatic adventures. Additionally, this lightweight and quick-drying swimwear keeps your child comfortable and ready for fun, whether they're splashing in the water or playing on the sand.

What We Like
Excellent sun protection
Comfortable fully lined design
Durable against chlorine and saltwater
Lightweight and quick-drying
Sporty and secure fit
#TOP 2

Hatley Girl's Tropical Mermaid Swimsuit

S21QTK1492
Tropical Mermaid
2 Years
Hatley Girl's Tropical Mermaid Swimsuit Cover
Hatley Girl's Ruffle Sleeve Swimsuit One Piece, Tropical Mermaid, 2 Years

The Hatley Mermaid Swimsuit offers excellent protection with its chemical-free UPF 50+ sun protection, ensuring your little one is safe from harmful sun rays during outdoor activities. It is fully lined, providing comfort and preventing any irritation while swimming. The swimsuit is also chlorine and saltwater resistant, making it a durable choice for beach days and pool parties. Additionally, its lightweight fabric allows for quick drying, meaning your child can enjoy more time in the water without feeling uncomfortable.

What We Like
UPF 50+ sun protection
Fully lined for comfort
Chlorine and saltwater resistant
Lightweight and quick-drying
#TOP 3

Hatley Girls' Pretty Sea Turtles Swimsuit

S19STK1185
3 Years
Hatley Girls' Pretty Sea Turtles Swimsuit Cover
Hatley Girls' Crossback One Piece Swimsuit, Pretty Sea Turtleswb-bk-rnum-wntrnum, 3 Years

The Hatley Girls' Swimsuit is designed for fun in the sun. It offers UPF 50+ sun protection, ensuring your little one stays safe from harmful rays while enjoying outdoor activities. The decorative buttons on the front add a charming touch, making it visually appealing. Fully lined for comfort, it prevents chafing during wear. The crisscross binding straps in the back provide a secure fit, allowing for freedom of movement in the water. This swimsuit is perfect for beach days and pool parties.

What We Like
Excellent sun protection
Charming decorative buttons
Comfortable fully lined design
Secure crisscross back straps
Chlorine and saltwater resistant
#TOP 4

Hatley Girl's Fancy Flamingos Swimsuit

S20FFK1381
2 Years
Hatley Girl's Fancy Flamingos Swimsuit Cover
Hatley Girl's Swimsuit, Blue (Fancy Flamingos 400), (Size:2 Years)

The Hatley Fancy Flamingos Swimsuit is designed with UPF 50+ sun protection, ensuring that your little one stays safe from harmful rays during outdoor fun. It is fully lined for comfort, allowing for a smooth fit against the skin. The swimsuit is lightweight and air-dries quickly, making it perfect for a day at the beach or pool. With ruching at the neckline, it adds a stylish touch that your child will love. Enjoy worry-free swimming with this practical and fashionable swimsuit.

What We Like
Excellent sun protection
Comfortable and fully lined
Quick-drying material
Stylish ruching design
#TOP 5

Hatley Girl's Ocean Treasures Ruffle Swimsuit

BS0TREA312
2 Years
Hatley Girl's Ocean Treasures Ruffle Swimsuit Cover
Hatley Girl's Ruffle Swimsuit, White (Ocean Treasures), 2 Years

The Hatley Ruffle Swimsuit offers excellent UPF 50+ sun protection, ensuring your little one stays safe from harmful UV rays during outdoor play. It is fully lined, providing added comfort and durability, which is especially important for active swimmers. The charming ruffle trim adds a delightful touch to the design, making it a stylish choice for any beach day. Additionally, the raw edge bow at the centre back not only enhances the swimsuit's aesthetic but also provides a secure fit, making it perfect for lively activities.

What We Like
Excellent sun protection
Comfortable and durable lining
Stylish ruffle design
Secure fit with bow
Buying Guide Image
Editor's Notes

During our Hatley one-piece swimsuit for girls research, we found 11 Hatley one-piece swimsuit for girls products and shortlisted 5 quality products. We collected and analyzed 3,934 customer reviews through our big data system to write the Hatley one-piece swimsuits for girls list. We found that most customers choose Hatley one-piece swimsuits for girls with an average price of £20.37.

The Hatley one-piece swimsuits for girls are available for purchase. The top 5 picks range in price from a low of £11.00 to a high of £75.00, find the one that fits your budget.

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.