Best 6 Girls One Piece Swimwear in 2026

High Quality UPF 50+ Nylon Tricot

Lined front & back

Available in Sizes 2 through 14

Kids Harry Potter Swimsuit

A magical black swimsuit that showcases the iconic Harry Potter logo with a snitch

Complete with gold glittery details that will ensure a charming time at beach or the pool

Material: Nylon & Spandex. The material is quick-drying and comfortable,elastic and skin friendly.

Features: Classic one piece swimsuit, sweet ruffle flounce design, makes your child look more lovely, adjustable cross strap swimsuit, providing enough space for your child to grow up.

Cute Pattern: Bright colorful bathing suit for girls, there are a lot of Hawaiian floral patterns, such as mermaid, unicorn, pineapple, leopard print, galaxy, fish scales. Put on our swimsuits, enjoy the summer, enjoy the beach, enjoy the sunshine!

Details--Stylish Racerback Straps with Keyhole Back

Pattern--Cute Animals and Cool Animals Printed , Fashion and Sweet for Your Little Girl

High quality--Soft and Stretchy Fabric, Let Your Little Girls Feel Comfortable

Material: Nylon & Spandex. Quick-drying and Breathable

Unique 3D print:All over print for girls swimsuit,like rainbow,unicorn,dinosaur,mermaid,galaxy sky and so on.

Little girls bathing suit great for swimming, beach, surfing, pool party,beachwear,vacation.

💘Normal Size Now💘 Our products have been optimized in 2023, please buy according to the recommended size

FEATURE: Lightweight,quick drying,durable

STYLISH AND CUTE DESIGN: Bright colorful bathing suit for girls, unicorn, rainbow, mermaid, dinosaur, galaxy, dots, leopard, stripe pattern and thin straps on back. Dress our one piece swimwear or Hawaiian beachwear for girls, enjoy the summer, enjoy the beach!

✔ COMFORTABLE MATERIAL - AIDEAONE one-piece swimsuit are made of soft and lightweight fabric, quick drying and colorfast.

✔ 2 WAYS TO WEAR - Adjustable shoulder straps for this bathing suit, and it has 2 ways to wear, fashion and easy for kids to wear and take off.

✔ CUTE PATTERNS - Kinds of 3D printed graphic for you to choose, like Mermaid, Unicorn, Cat, Dinosaur, Galaxy, Leopard and so on. Give your princess a happy gift, let them enjoy the fun of swimming.

Nike Swim Girls' Essential Racerback One Piece Black MD (10-12 Big Kids) / Black

💝【COZY GIRLS SWIMSUITS】Made by quality polyamide (85% polyester and 15% spandex), girl swimsuits is durable, lightweight, elastic and quick dry. The swimsuit front is lined by soft and breathable fabric, cozy and not see-through. Perform well during swimming, water play and other water activities.

💝【UNIQUE TIERED STYLE】Girls one piece swimsuit feature in tiered front, offers flattering look and perfect coverage around the tummy. Vibrant floral patterns are stylish and long lasting, perfect for girls' family pool party, beach walking, tropical vacation and other occasions.

💝【PREMIUM QUALITY DETAILS】Adjustable shoulder strap fits different body shapes, appropriate tailoring on the butt offers adequate coverage for kids, enhanced shoulder strap sewing make girl bathing suit durable for use. Let's enjoy the happy summer time!

Ideal for Summer Vacations: Let your little mermaid make a splash with this girls Barbie swimsuit featuring the iconic Barbie logo on the front. It's a perfect choice for beach and pool adventures.

Designed for Comfort and Confidence: Our girls bathing suit features a braided racer back, providing excellent support and freedom of movement. Your little one can swim and play with ease, feeling comfortable and confident all day long.

High-Quality and Durable: We understand the importance of durability when it comes to girls swimwear. That's why our Barbie swimming suits for girls are made from high-quality materials to ensure long-lasting wear. They can withstand countless water adventures while maintaining their vibrant colors and shape.

Adjustable halter, front neckline with a stitched bowknot,tying at back.

Lining at chest and crotch,bottom with 3 tiered ruffled hem.

Modest and fashionable swimsuit,retro polka dots pattern,comfortable and breathable fabric, quick dry.

START SUN SAFETY NOW– Protecting your little ones from the sun starts on day one. Wrapping your girl in something that is comfortable and sun protective is SwimZip’s #1 goal. Designed in the USA, our swimsuits are made of high-quality fabric that’s fade-resistant and durable while still feeling soft and comfortable.

BUILT-IN SUN PROTECTION- SwimZip's built-in sun protection blocks 98% of all UVA and UVB cancer causing rays. No more sunburns! Keep your child's delicate skin safe in the sun with SwimZip's built-in UPF 50+ sun protection so there’s more time for enjoying the beach, lake or pool and less time worrying about harsh UV rays and reapplying sunscreen.

BACK ZIPPER MAKES PUTTING ON AND TAKING OFF A ZIP – Our surf suit comes with a long zipper in the back to make getting into and out of the suit a breeze. There is also an extra long zipper tag to make it easy for your girl to zip herself up.

Fabric: 95% Polyester 5% Spandex

Sporty Design: This one piece swimsuit features a popular athletic style in solid colors with a crescent pattern and streamlined racer back straps. Ideal for training, competition, and fitness swimming.

Nice Quality: Double layered material that is breathable, quick drying and chlorine resistant. Over extended use, it will not become baggy or sag.

Material - Girls one piece swimsuit is made of nylon & spandex. High elastic spandex offers enough space for a growing child. It is quick-drying, breathable, soft, skin-friendly fade-resistant, and durable.

Sun Protection - UPF 50+ sun protection can protect your little girl's delicate skin safe. So there's more playing and less worrying about harsh UV rays.

Features & Designs –Classic solid color design. Wide straps design allows full range of arm motion, making kids comfortable in most sport activities. Flat and enhanced seams reduce chafing and add soft touch.

GIRLS' DESIGNER SWIMWEAR — We love the stretchability of the smocked bodice on this suit from Hobie Girls. Not only does it provide a comfortable fit, it also stays perfectly in place.

FRESH FIT & FEATURES — You get a tailor-made fit that's all about you, with over-the-shoulder straps and full coverage in back for a comfortable fit.

SMOCKING SMARTS — Gently gathered smocking stretches in all the right places while staying in place.

Next-to-skin without the squeeze

Lightweight, 4-way stretch construction improves mobility & maintains shape

Racerback detail for optimal range of motion Fully lined for extra coverage & protection

Kids Miraculous Swimsuit

Dress your No.1 fan of Miraculous Ladybug for a holiday with her favourite superhero in this magnificent swimming costume!

In Miraculous Ladybug's signature red and black polka dot, this bathing costume features a print of the superheroine with the slogan 'Spots On' and a cute frill detail too

This one-piece swimsuit bathing suit from Tommy Bahama is perfect for the pool, the beach, or a day in the sun.

Upf 50

Kids Swim

MATERIAL: 82% Polyester and 18% spandex; Product Care: No Detergent or Hot Water When Washing, Just Cold Water. PleaseDon't Dry Your Clothes In The Sun For a Long Time

COLOR:4 Colors For Floral Pattern Choice: Flamingo, Leopard, Flower（Black background），Orange(navy background))）

Available in Sizes 5 through 16

Ergonomic enhanced fit Designed for the young athlete

Racer back design for natural motion

Flat seams for reduced chafing

Cute Styles: Your daughter will stand out at swim lessons and on the beach in this fun and convenient one piece bathing suit

High Quality: This quick drying Polyester/Spandex blend swimsuit has great elasticity to keep your kid covered without riding up or bunching

All Day Fun: Perfect for the beach, pool, and summer vacation; The smooth fabric is durable for a long lasting fit with reduced discomfort and irritation

84% Polyester, 16% Spandex,Lining: 100% Polyester. High quality professional swimming material make the fabric soft and non-itchy, suitable for kid's sensitive skin.

One shoulder bikini top with cutout design bathing suit,classic and cool.

High Waisted Bikinis for your girl, classic solid color with the trendy cut,cool & chic. The simplest is the most popuplar.

High quality and SPF/UPF 50+ protection; blended with 84% Polyester and 16% Spandex

COMFORTABLE: silky and smooth fabric that kids love; these Swimming shorts are exclusive of decoration.

DURABLE: no cheap materials in here!

Fabric water-repellent and quick-drying; High-quality spandex yarn is selected, which make it high elasticity, suitable for all shapes children and high color fastness.

Technological process: It uses professional four-needle six-thread technology to split and joint. The seam is flat and boneless. It is skin-friendly and comfortable.

3.Use occasions: Not only suitable for professional swimming training, but also suitable for home swimming pool parties, outdoor beaches.

Stunning and cute ladybug one-piece girls' swimwear with red and black polka dots print. Made of soft, comfy and breathable materials, no itchy! Flexible and stretchy fabric for easy wearing and taking off.

Style A: One shoulder ruffle swim dress with spaghetti strap. Swim skirt with built-in brief bottom.

Style B: Round neck sleeveless swim suit with flutter straps. Featuring a big bowknot at front and a pretty frill at leg.

Black floral sports athletic one-piece swimsuits feature a racerback and wide shoulder straps, along with a soft wire-free padded bra for excellent support and shape.

Sporty and sexy design with criss cross straps at the back, underbust elasticated seam. This tummy control one piece swimsuit is easy to put on and save wearing tie-in problems.

This active swimsuit for women is made of high-quality soft material with excellent elasticity for a perfect fit. It is skin-friendly, breathable, comfortable, and easy to clean and stain-resistant.

2PCS BIKINI SETS: Two piec bikini swimsuit for girls, High waisted bikini bottom with lovely sunflower patterns, cute flounce halter crop tops. This fashion bikini sets offers a simple and lovely look to your sweeties. Also, it can be a perfect gift idea for your girls.

CUTE DESIGN: Cute ruffle flounce bikini top, irregular ruffled layer cover the belly, flowy look, 2Pcs adjustable straps on shoulder to keep on place, easy to tie and adjust. High waisted bikini bottom with lovely sunflower patterns, offer moderate coverage. Bikini bottoms with soft lining, safe and comfortable,great for toddler kids girl summer beach holiday.

A MUST HAVE FOR SUMMER VACATION : Adorable swimsuits for girls, perfect for family beachwear, swimming pool, beach holiday, vacation, hot summer, photographs, water park and other water activities.Our two piece bikini sets are comfortable to wear and easy to care; Skin-friendly, sun protection and fade-resistant makes them a must have in your summer vacation.

Material: 82% Nylon & 18% Spandex. Good wearing comfort and no irritation. This one shoulder one-piece bathing suit is skin-friendly for girl's delicate skin.

Design: Solid one piece swimsuit with floral print bow-knot and cutout side design provides beauty and comfort while not see-through.

Feature: One shoulder swimsuit make your little princess shining bright in summer time style.

Material: 82% polueaster + 18% Elastane

Notice: the size 3XL and 4XL with detachable pads on the top. It is a great gift for your little princess who love rainbow unicorns, mermaid and flamingo

One Piece swimsuit with boy short under the skirts

Material: 82% Polyester, 18% Elastane; Fabric is stretchy and comfy to wear

Feature: Tie Dye, Criss Cross, Spaghetti Strap, One Piece Swimsuit, Removable Padding

Occasion: A Good Choice for Beach, Swimming Pool, Summer, Tropical Vacation