10 Best Kids Swimsuits in The UK

Last updated on 02/08/2025

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Best Choice

9.9

Exceptional

HUAANIUE

HUAANIUE Girls 2-12Y CocoTree with Heart Swimming Suit 50+UV Sun Protection Swimsuit Costume(CocoTree,152/158)

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Why We Love It

UPF 50+ sun protection.
Quick drying and lightweight.
Stretches for comfortable fit.

Main Highlights

Material: 80%Nylon +20%Lycra,Set include: One Piece swimsuit
Lightweight,quick drying and easy to pull on and down.UPF 50+ protects children against the suns UV rays
Highly chlorine and salt water resistant for years of wear
Comfortable fit -fabric stretches so children can enjoy their swim without feeling restricted.
Hand wash is highly recommended. Measurement in the description, please check carefully to make it fit for your baby girl.

Disney Lilo & Stitch Girls Swimming Costume, One Piece Swimsuit, Kids Swimwear Featuring Stitch & Angel, Blue, Age 8-9 Years

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Why We Love It

Cool Stitch and Angel design.
Comfortable for summer play.
Official high-quality Disney product.

Main Highlights

DISNEY LILO & STITCH SWIM SUIT FOR GIRLS - Our Disney Lilo & Stitch Swimming Suit for girls are essential for summer months. This swim suit has been designed based on featuring the awesome Stitch & Angel. The Colour combination is sure to look cool in the sunshine.
VERSATILE - Your kids will love this swimming costume that has been designed to offer comfort, style and versatility. We’ve made sure that they include a cool design, also offering flexibility to move around whilst playing. This ensures comfort and an excellent fit. Kids will love this fun design as they play on the beach or in the pool.
DISNEY LILO & STITCH OFFICIAL PRODUCTS - Buy 100% Official Disney products for girls. Designed in the UK by the leading Character manufacturer. We always use prime quality materials to ensure durability and comfort. This awesome looking Swimwear will feel both comfortable to wear and look great on.
GIFT IDEA FOR DISNEY LILO & STITCH FANS - The perfect gift for any Disney Lilo & Stitch fans! This fantastic swim wear for kids is both trendy in design and comfort. Any Stitch or Angel fan will love this swim clothing for either holiday / summer / beach wear as they have excellent colours coupled with a trendy design

Belovecol Girls Swimming Costume 3 Piece Swimsuit, Kids Swimwear Multicoloured Blue Mermaid Printed Swim Suit Age 6-7 Years

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Why We Love It

Stretchy fabric for comfort.
Adjustable straps for fit.
Perfect for water activities.

Main Highlights

Materials: Three Pieces Swimsuit is made of 82% Nylon, 18% Elastane. Sufficiently Stretchy Fabric to make it easier to put on and take off the Beachwear.
DESIGN: 3 Piece Girls Swimsuit Set, Long Sleeve Shirt, Adjustable Strap Top, Cute Ruffle Shorts. Split swimwear provides greater flexibility for growing girls.
2 Wearing Ways: Kids Bathing Suit Long sleeve Swimwear Shirt Provide Full Skin Coverage to Protect Girl' Delicate Skin from Getting Sunburned. Adjustable Strap tankini Provide the Second Wearing Way for Indoor Sports. You can Easily Adjust the Strap to Make the Swim Suit Fiting Perfectly.
OCCASION: This Girls Swimsuits Suitable for Beach, Swimming Pool, Surfing, Vacation and other water activities. Give it as a Birthday Gift to your girls or for children’s beginner swimwear.
GARMENT CARE: The Swimsuits can be Machine or Hand Washed,do not Bleach. Package Includes 3 pieces(Tankini Top, Bikini Bottom, Long Sleeve Shirt).

Marvel Kids Swimming Costume Summer Holiday Essentials for Kids Hulk Spiderman Childrens Swimwear 3-10 Years Short Sleeve Full Body Swimsuit Beachwear (Red/Navy Avengers, 4-5 Years)

5% OffFree Shipping

Why We Love It

Perfect for Marvel fans.
Range of sizes available.
Stylish and comfortable.

Main Highlights

Your superhero fan can make a splash this summer with these official Marvel all in one swimsuits for boys, in a range of cool designs to choose from. This comfortable and stylish boys swimwear is perfect for showing their love for Avengers, Captain America, The Incredible Hulk or Spiderman while having fun at the beach or pool
Our boys all in one swimsuit is available in a range of sizes, from 3-10 years to suit kids. See the images for the sizing chart to get the perfect fit for your Marvel fan
This Marvel boys swimsuit is made from 85% Polyester, and 15% Elastane (Red/Navy Avengers also includes an 100% Polyester lining) and makes the perfect choice for your boy to wear to the beach or for fun in the pool
Looking for Marvel clothes for boys? This boys swimming costume is officially licensed Marvel merchandise and features stylish and iconic designs that include popular characters like The Hulk, Spiderman, Iron Man and more!
Looking for Marvel gifts for boys? This trendy kids swimming costume is a great gift idea for Christmas, birthdays or special occasions and will go down a treat with any boy who loves Marvel and wants to add to their collection

Marvel Spiderman Swimsuit | Boys Swim Set | Spidey Boys Swimming Costume | Official Spiderman Merchandise | Age 5 to 6 Years Multicoloured

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Why We Love It

Ignites their heroic imagination.
Captures attention effortlessly.
Embodies Spiderman's iconic style.

Main Highlights

Swing Into Action With This Two Piece Spiderman Swimsuit: Your little hero will become the embodiment of their friendly neighborhood hero as they wear this Spiderman suit, designed to ignite their imagination and supercharge their aquatic escapades with unparalleled style
Make Waves With Spiderman’s Boys Swimwear: Let the iconic Spiderman emblem proudly displayed on their new Marvel swimsuit immerse them in the essence of Marvel's beloved web-slinger. Wherever their aquatic adventures lead, rest assured they’ll be capturing attention and evoking wonder with this Marvel swimming costume
Unleash Their Inner Marvel Superpower: No superhero ensemble would be complete without the perfect pair of boys swimming shorts to complement the striking aesthetics of their Spiderman swimsuit! This boys swimming costume will ensure your little Spider Man stand out from the crowd this spring and summer
Fan Favourite Marvel Gifts: The perfect kids gifts for adventurous Marvel fans; this Spiderman swimming costume boys will love will take your little one to new heights – because with great swimwear comes great responsibility, and with this official Spiderman merch, you'll be ready to face any challenge that comes your way
Official Marvel Merchandise: Transform into your favorite web-slinger with this Spiderman swimming costume boys will admire! It's not just swimwear, it's an invitation to embark on heroic aquatic adventures where every dive is a chance to embrace your Spidey senses with these official superhero gifts

adidas Girl's Solid Small Logo Swimsuit, Black / White, 11-12 Years

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Why We Love It

Sustainable recycled nylon material.
Chlorine-resistant fabric.
Comfortable jersey lining.

Main Highlights

Regular fit
G-back
78 percent recycled nylon, 22 percent elastane tricot
Jersey lining
Infinitex fitness eco chlorine-resistant fabric
Medium-height leg

Ewbob Girls One Piece Swimsuit Quick Dry Swimwear Swimming Costume Beach Bathing Suit for Kids(C3-005)-Purple-7-8Y

15% OffFree Shipping

Why We Love It

Durable and soft fabrics used.
Maximum comfort and support ensured.
SPF 30+ rated for protection.

Main Highlights

【Material】：Girls swimsuits are made of 85% polyester，15% elastane，durable and soft fabrics assured flexible movements
【Comfortable】：The kids swimwear for girls is easy to wear and ensures maximum comfort by fitting like a second skin; the wide straps and ergonomic back cut offer optimal support and comfortable
【Quick Drying】：Swimming costume girls are made of quick drying material, light weight and breathable fabric,comfortable to wear
【Sun Protection】：Girls one piece swimsuit is made by applying SPF 30+ rated fabric，provide UV sun protection，Great for swimming, surfing, bathing, beach wear or pool and excellent for learning to swim
【Unique Pattern】The swimsuit for girl with the fade-resistant colorful patterns，make your girl stand out in beachside pool Settings，perfect for summer water outings

AmzBarley Girls Swimming Costume Kids One Piece Swimsuit Mermaid Swimwear Zipper Bathing Suit Long Sleeve Surfing Swimming Rash Guard Rose Age 7-8 Years Size 130

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Why We Love It

High-quality, durable fabric.
Optimal sun protection.
Perfect for water sports.

Main Highlights

84% Polyester and 16% Spandex,UPF50+ UV sun protection,high quality assured rash gurad swimsuits for girls;
Silky touch,cool,extremely quick drying,durable fabric,soft,comfortable,retains its shape after swimming,without fading;
Fish scale patterns,long sleeve,double stitched seams,designed with high collar for optimal sun protection;front zipper design;
Sun protective swimsuit fabrics.Great for Beach,Holiday,Lake,Pool,Swimming Training,Surfing,Summer Vacation,Water Park and Water Sports.
Package included: 1* rash guard swim suit. Please check to size chart in PICTURE before your purchase.

Girls Boys Bluey Swimsuit Swimming Suit Costume (Bluey, 5-6 Years)

Why We Love It

Adorable design featuring Bluey characters.
Perfect for swimming lessons and play.
Available in various sizes for kids.

Main Highlights

These are super Bluey all in one swimsuits, ideal for both girls and boys.
The childrens Bluey swim suit has your favourite characters Bluey and Bingo playing sand castles on the beach.
Little ones will love wearing the Bluey swimming suit, perfect for holidays, swimming lessons or outdoor play time!
The kids Bluey swimming costume comes with short sleeves and legs, high neck, with zip fastening to the back.
Sizes available for the Bluey swimsuit: 1-2 Years, 2-3 Years, 3-4 Year, 5-6 Years, 7-8 Years.

AmzBarley Girls Swimming Costume Swimsuit Kids One Piece Swimwear Leopard Skirt Leotard Children Swim Wear Bathing Suit Summer Holiday Beachwear Age 5-6 Years 120

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Why We Love It

Chlorine and salt resistant.
Mermaid and leopard prints.
Soft and comfortable fabric.

Main Highlights

Adorable shoulder straps one piece swimming costume for your girls;
Polyamide and elastane, ice touch and silky soft, skin-friendly, comfortable fabric for your kids'skin;
Quick drying and breathable, chlorine and salt resistant designed for a long lasting wear;
One piece swimsuit, spafhetti shoulder straps, 3D printed, triangle briefs with ruffle skirt, offer a flattering look;
Beautiful swimming costumes for your little girls for swimming, surfing, bathing, beach holiday, poolside party, etc. Children will love it!

9.1

Superb

We scanned 1130 products

We reviewed these offers relevant to the Kids Swimsuits within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like HUAANIUE, Disney, Belovecol, Marvel, adidas, Ewbob, AmzBarley, Bluey, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Kids Swimsuits in the market, we considered we took a deep dive into 5651 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is HUAANIUE Girls 2-12Y CocoTree with Heart Swimming Suit 50+UV Sun Protection Swimsuit Costume(CocoTree,152/158). We love many things about this product by HUAANIUE. What sets it apart from the competition is UPF 50+ sun protection. , Quick drying and lightweight. , Stretches for comfortable fit.
The best value product for most shoppers and where user satisfaction is continuously the highest is Disney Lilo & Stitch Girls Swimming Costume, One Piece Swimsuit, Kids Swimwear Featuring Stitch & Angel, Blue, Age 8-9 Years by Disney based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Kids Swimsuits and the best cost-to-value ratio is Ewbob Girls One Piece Swimsuit Quick Dry Swimwear Swimming Costume Beach Bathing Suit for Kids(C3-005)-Purple-7-8Yat Ewbob with a 15% discount.
Our list of the best Kids Swimsuits is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Kids Swimsuits in The UK

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We scanned 1130 products

We concluded that: