Best 6 Girls One Piece Swimwear in 2026

All Day Comfort & Premium Quality. Our girls swimsuits are made from 87 percent polyester blended with 13 percent spandex. Comfortable bathing suits with quick-dry fabric. It's stretchy, ultra-soft and lightweight, so she can wear it all day long.

Sun Protection & Skin Friendly. These kids swimsuits have UPF 50+ rating, giving your children all day protection from the sun's harmful rays. This girls bathing suit is made from non-transparent fabric that filters up to 99 percent of UV rays.

Adorable and Fashionable Design. Attractive swimsuit for girls feature flowy ruffle overlays along the v-neckline design, with spaghetti neck straps. Give your little Princess a unique and cute look-She will stand out amongst the crowd.

Block the Burn: UPF 50+ protection blocks up to 98% of the sun’s harmful rays

Superior Chlorine Resistant Creora Highclo Spandex

Pilling Resistant Fabric

High quality UPF 50+ nylon tricot

Lined front and back

Available in sizes 2 through 14

Each pack includes 3 one-piece swimsuits with unique and vibrant colors and patterns to suit every girl's taste. With this pack, you can mix and match to create different beach outfits and make your little one stand out. The variety of colors and designs will ensure that your girl feels confident and stylish while she's splashing in the water.

Available in girls sizes 4-16, these swimsuits are designed to provide an excellent fit for kids, teens, and toddlers. The one-piece design of the swimsuits ensures that they stay in place and provide adequate coverage. They are comfortable to wear and won't restrict movement, making them perfect for water activities such as swimming, surfing, or snorkeling.

These swimsuits are crafted with durability in mind and can withstand the wear and tear of water activities and beach outings. They are made from high-quality materials that are resistant to fading, stretching, and damage from chlorine or saltwater. With proper care, these swimsuits will last your little one through multiple beach seasons.

Quality Materials: We've made this girls swimsuit from quick-drying stretchy fabric that provides UPF 50 protection (the highest possible) for sun safety. Machine wash.

Play All Day: We've added a double layer shelf bra to this girls swimsuit in sizes 12 and up for modesty and support. The tugless fit bottom won't shift or ride up so she can run and play in comfort.

Design Features: Elastic criss-cross straps on this one-piece bathing suit add a pretty touch and it's lined in the front for extra coverage. The high neckline protects her skin from UV rays as well.

♕♕ Soft Material--profession swimsuit fabric, breathable, lightweight and quick-drying, it's not see-through, your little girls can stay comfortable and cool at home/school all time.

♕♕ Adorable Design--Sleeveless, the front and v neck back with ruffles decoration, the one-piece design offers full coverage for toddler girls. Also, make your sweet daughter more attractive and cute.

♕♕ Creative Pattern--100% No fade. This animal, dinosaur, mermaid,leopard, Hawaiian leaf, solid stripe patterns swimwear will let your little kids be the center. Especially perfect for your kids' dinosaur animal party!

DESIGNER SUMMER SWIMWEAR — Bare those shoulders in this stylish Hobie Girls high neck one-piece swimsuit! The adjustable elegant high neck cut is accentuated by a beautiful scoop back with banding straps and moderate bottom coverage

ONE-PIECE CUT — The classic and sleek one-piece cut covers any worry spots while enhancing your natural curves

COLORFUL STRIPE PRINT — Show off your summer tan in this trendy swim item that features a colorful, sun-kissed stripe design

Our girl's swimsuit, featuring triple-layered frilled neckline, is of one-piece design and adjustable shoulder straps.

Get your little princess ready for a fun day in the sun with our selection of girl's swimsuits, available in blue gingham, wave stripes, multi stripes and flower prints.

Our girl's swimsuit features a stylish triple-layered frilled neckline for a fashionable and comfortable fit.

❤ Unisex kids boys girls color block print one piece swimsuit, raglan baseball long sleeve rash guard sunsuit with UPF 50+ sun protection, full body diving wetsuit, summer mock neck jumpsuit pants zipper swimwear swimming costume, lovely and pretty for 2-8 year-old teen girls and boys

❤ CHIC VINTAGE DESIGN: Little kids rash guard, girl’s and boy’s one piece swimming suit for snorkeling and pool party, eye-catching color block sun protection sunsuit, printed with cartoon pattern, stars and stripes. Raglan long sleeves rashguard, simple contrast color baseball swimming shirt, mock neck and zipper front design, bright and vivid summer beachwear full jumper suit style, full body design provides coverage for sensitive skin, stylish and cute, your boys girls will be fond of wearing

❤ EXCELLENT FABRIC: Cute full cover modest swimsuits for teen girls boys, long sleeves full suit swimsuit wetsuit, are well made of polyamide and elastane, quick-drying material, durable fabric, good elasticity, zip up at front, easy to put on and take off, convenient and comfortable to wear

❤ GREAT SAFETY DESIGN: Unisex boys girls floatation swimsuit with adjustable buoyancy sticks, kids sleeveless swim vest training bathing float suit, allows children full use of their arms, safe and comfort for 18 months - 6 years kids or baby learn to swim

❤ FEATURES: Float suit has 8 piece of EVA removable safety floats for safety and learning to swim. Swim aid to build water confidence. Lovely design with bright vivid colors, great choice for summer beach holiday, pool party, sweet gift for your child. Kids one-piece buoyancy swimwear, printed with sunflower, floral, dinosaur, striped, comouflage, strawberry, rainbow, polka dots Print, ruffle, cute and convenient to use

❤ EXCELLENT FABRIC: Toddler boys girls vintage striped buoyancy float rainbow swimsuit, kids swim training aid jacket vest suit, is made of polyamide and elastane, comfortable and quick-drying. The buoyancy sticks are not absorb water, non-toxic, special design for baby kids

Features: knot, hollow out, dalmatian print, color block, one piece bathing suit, cute style

Fabric is very stretchy, and it's soft and comfortable

Perfect for beachwear, swimming pool, SPA, solarium, vacation, photographs and other water activities

UPF 50+: Hours of play in the sun without worrying about sunburn; one piece bathing suit offers UV protection to help protect delicate skin

HIGH QUALITY: This quick drying swimsuit has great elasticity to keep your little girl covered without riding up or bunching

QUICK DRY: Perfect bathing suit for the beach, pool, and summer vacation; The smooth fabric is durable for a long lasting fit with reduced discomfort and irritation

🧜‍♀️【Comfortable Fabric】Cute swimsuits for girls are made of quality 89% polyester + 11% spandex, quick dry, skin-friendly, breathable and comfortable. This One-Piece swimsuits is elastic enough for perfect fit. Soft to wear and easy to clean

🧜‍♀️【Unique Design】Toddler girl swimsuit printed with the Cartoon princess Character is classic and unique. One Piece sleeveless swimwear with good UPF 50+ sun protection function, ideal for children's summer vacation, beach surf pool, school swimming lessons and other water activities

🧜‍♀️【Multi-purpose】Bathing suits for girls is the perfect swimsuit for beach vacations, pool parties and photos; it is also an ideal birthday gift for little girls. They will love this adorable and stylish swimsuit and keep them for many year

UPF 50+ protection built in

Made of soft fabric

One piece swimsuit

UPF 50+: Hours of play in the sun without worrying about sunburn; one piece bathing suit offers UV protection to help protect delicate skin

HIGH QUALITY: This quick drying Polyester/Spandex blend swimsuit has great elasticity to keep your little girl covered without riding up or bunching

QUICK DRY: Perfect bathing suit for the beach, pool, and summer vacation; The smooth fabric is durable for a long lasting fit with reduced discomfort and irritation

Full coverage

Long sleeve surf suit for full sun coverage

Reverses to maajical surprise print

Ruffle bottom

UPF 50+

Whales

ONE PIECE SWIMSUIT — She's snorkeling in the ocean with this colorful fish print swimsuit!

PRINT — Features allover fish print

FEATURES — 80% nylon raschel/20% spandex, fully lined in polyester mesh, UPF 50+ sun protection, easy pull-on style with no closure and one shoulder neck with ruffle trim

Stretchy fabric is skin-friendly, soft and comfortable to wear

Feature: Tropical Floral Print, Zip Front, Mock Neck, Short Sleeve, Zipper, Removable Padding, One Piece Swimsuit

Occasion: Great for Tropical Vacation, Diving, Swimming, Beach & Pool, SPA, Bathing, Summer

One Piece Swimsuit

Keyhole Detail at Front

comfortable outfit

Your little girl will be the star of the show in our Dimensional Flower Swimsuit!

This nylon spandex one-piece swimsuit comes in a pink Gingham pattern with multi-color dimensional flowers and pom trim flutter sleeves

UPF 50+.

💗【Comfortable Material】DONWEN toddler girl swimsuit made of 80%Nylon and 20%Spandex. Quality fabric with stretchy, is soft, quick dry and comfortable to wear. This kids swimsuits with lined, not see through when get wet. It will be your little girl's favorite bathing suit

💗【Delicate Design】Little girl swimsuit features Cross Back design, Ruffle Butt and one shoulder Bow-knot, showing your girl adorable and unique swimwear looking. Double wide shoulder straps support best fit and comfortable wearing experience all day long. This toddler bathing suit with vibrant colors printing, is fashionable and adorable

💗【Multi-purpose】This swimsuits for girls is the perfect for beach vacations, surfing, swim lessons, pool parties, SPA, water sports, and taking pictures; it is also an ideal gift for little girls. She will love it and get lots of compliments on this awesome bathing suit in the crowd

Nike Girl's Essential Racerback/Crossback One-Piece Bathing Swimsuit (Big Kids), Size Small, Medium & Large, Styles NESSB711/Color 555 – Fireberry Pink & NESSB767/Color 990 – Tie-Dye Multi Spectrum

Nike Girl's Essential Racerback One-Piece Bathing Swimsuit (Big Kids). Older Girls Size Small, Medium & Large. Ergonomic enhanced fit designed for the young athlete, Racerback/Cross back design for freedom of movement, lined

Cross back design for freedom of movement, lined

🏊🏻‍♀️🏊🏻‍♀️🏊🏻‍♀️【Comfortable Fabric】The girls swimsuit is made of excellent-quality material, which is skin-friendly and durable materials, and is harmless to the health of your girl's skin.

🏊🏻‍♀️🏊🏻‍♀️🏊🏻‍♀️【Unique design】 The bathing suit is designed with one shoulder one-piece bow bathing suit matching with high elastic fabric, offering enough space for a growing princess.

🏊🏻‍♀️🏊🏻‍♀️🏊🏻‍♀️【Suitable for a variety of places】This girls' swimwear is suitable for swimming, beach holiday, pool party, water parks, summer vacations and other water sports activities, which is a good gift idea for your girls, making your little prince more attractive in summer.

UPF 50+

Fun, seasonal print

Adjustable cross back for the perfect fit

For long beach days, pool parties and new adventures. Stylish design with sun protection, comfort and superior fit

Click on Seafolly logo above for more from our full collection of swimwear, cover ups and kids swimwear

Fabric: This one piece pure color swimsuit is made by 82% polyester & 18% spandex, girls bathing suits feel stretch and quick dry, offer skin-friendly and no irritation.

Unique design: Our girl's one-piece swimsuit adopts a fashionable design with a hollow back, and uses contrast colors to provide an active feeling. This makes this swimsuit provide a wonderful and cute look.

One Piece Swimsuits for Girls: Comfortable one-piece swimwear for girls are made of quick-drying and colorfast material. The beautiful and vibrant swimsuit one piece which satisfy children active.

Sleeveless asymmetrical neck letter trim tropical print one piece swimsuit

Regular fit, one piece bathing suit for girls

Swimwear and beachwear, suitable for summer

RASH GUARD FOR GIRLS: This adorable rash-guard bathing-suit set offers UPF 50+ protection for your little girl. The top and bottom set has a comfortable fit and comes in an array of colorful prints. It is available in kids’ sizes 1T–8Y.

MATCHING MOMMY & ME: Each of our cute rash-guard-and-bottoms sets matches an identical set in mom’s size. Wear your matching swimsuits for mom and daughter as you explore the beach looking for sea turtles or surf among the waves.

PROTECTIVE SWIMWEAR: Our girls’ rash-guard swim sets come in many different designs and colors. With a multitude of options, your girl can easily find a UPF swimsuit she will love. You and your little girl will stay safe, stylish, and cute in these sets!

Girl’s Swimsuit: This girl's one piece swimsuit is made of a great smooth material that combines 82% nylon and 18% spandex, lined with 100% polyester. It can achieve a quick-drying, comfortable, skin-friendly, breathable, elastic and soft wearing experience.

Beautiful＆Cute＆Kawaii Swimsuits: This classic slimming one-piece swimsuit with a colorful multi straps crossover back provides enough safety and comfort for girls. Heart-shaped chest details with rainbow stripes can make girls more dignified and chic.

UPF 50+ Sun Protection Bathing Suit: This striped print rainbow heart sport one piece swimsuit for girls has UPF 50+ sun protection, which blocks more than 98% of the sun's UV rays to protect your girl's skin and allow your little girl to relax in the sun.