Best 6 Girls One Piece Swimwear in 2026

Scoop-neck, tank straps

Moderate cut legs

Quick-dry & UPF 50 protection

EXCELLENT QUALITY GIRLS ONE PIECE SWIMSUITS: Great smooth material, 82% nylon and 18% spandex, Lining: 100% Polyester. Our girls long sleeve rash guard swimsuits' elasticity for perfect fit, quick dry, skin-friendly, breathable, comfortable and soft wearing, easy-to-clean and stain resistant.

BRILLIANT GIRLS SWIMSUITS FEATURES: Classical slim cut girls long sleeve rash guard, pretty secure and comfortable. Elegant founce details at chest, making girls more modest and chic.

FINE AND STRETCHY GIRLS RASH GUARD SWIMWEAR: This girls long sleeve bathing suit is all cut with nice seam stitching at all edges and straps. Supportive and superior elasticity, smooth touch, durable and comfortable to wear.

HIGH-QUALITY FABRIC: Our swimsuit is made of high-quality breathable fabric with 80% polyamide and 20% elastic fiber. Soft and easily drying. Four-way stretch fabric adds comfort for unrestricted movement. Suitable for long-term use.

ALL DAY SUN PROTECTION: The one-piece girl swimsuit offers UV UPF 50+ sun protection, and the long sleeve design is more suitable for swimming or surfing, to prevent your girl from burning due to harmful rays.

HIGH AUQLITY AND BEAUTIFUL PRINT: Bright Hawaiian floral print, resistant to chlorine and salt, not easy to fade, vividly reflects your child's energy and vitality.

High Quality UPF 50+ Nylon Tricot

Lined front & back

Available in Sizes 2 through 14

ADORABLE DESIGN : Ruffle detail, made of quick-drying, lightweight and soft fabric, skin-friendly and comfortable for baby to wear

SUN PROTECTION: The girl swimsuit's with UPF 50+, blocks out more than 98% of the sun's harmful UV radiation, effectively resist ultraviolet ray, protect your baby's skin

QUICK CHANGE SNAPS and ZIPPER : Diapers changes are a breeze with 3 nickel-free snaps at the bottom and a convenient zipper at the back makes getting this suit on / off a easy experience

【Great Material】85% Polyester+15% Spandex, The girls bathing suits is made of high-quality fabric that's breathable and durable while still feeling soft and comfortable, great for summer vacation.

【Adorable Design】Featuring elastic waist, safe lining, ruffle sleeve, floral and striped print, square neck, U-shaped back, criss cross back. This cute one piece swimsuit matches with floral printing swim skirt and delicate headband, offers full coverage, Makes your princess more elegant and casual.

【Fade-resistant】Updated 3D printing technology makes the bright colorful patterns unfading and durable. The floral flounce swimsuit perfect for kids summer wear, swimwear, beachwear, beach party, pool party, tropical vacations.

Officially licensed Disney infant girls cute and stylish one piece swimming suit

All over print design; Awesome sublimation print design; UPF 50+ material for UVB and UVA protection and worry-free sun time; 4 way stretch fabric for comfort and long-lasting fit; Asymmetrical top neckline; Ruffle trim on straps; Pull on closure

Stylish kid's bathing suit with a comfortable fit and easy-to-dress design that is a durable summer essential; youth fashion swimwear made from material that protects your child from the sun and is safe on skin

🐳DESIGN🐳:The High Quality Material with Elasticity and Adjustable Straps and Thigh Lines Offer Enough Space for A Growing Child with Care to Protect Girls Privacy. The Ruffle Adds Beauty and Modesty;

🐳SIZE🐳: Measure Your Princess First, then Choose Correct Size.6 sizes for choice: 6, 8, 10,12,14,16.Size 6(XS):Bust:22.8in;Waist:21.2 in;Hip:26 in; 5-7y Size 8(S): Bust:24.4in;Waist:22.8 in;Hip:27.6 in;7-8 y; Size 10(M): Bust:26 in;Waist:24.4 in;Hip:29.1 in; 8-10y; Size 12(L): Bust:27.6 in;Waist:26 in;Hip:30.7 in; 10-12y; Size 14(XL): Bust:29.1 in;Waist:27.6 in;Hip:32.3 in; 12-14 y; Size 16(XXL): Bust:30.6 in;Bust:30.6 in;Waist:29.2 in;Hip:33.9in;13-15y

🐳PROTECTION🐳:High quality material provide this swimwear first choice for toddlers and girls swimsuit ultimate,Best Choice for Swimming Lesson or Beach Play

Two ways to wear: This suspender swimsuit with adjustable shoulder straps,the shoulder straps are interchangeable. You can do cross or vertical.

Material: These novelty girls one-piece swimsuits are made of nylon and spandex fabrics,soft,breathable,quick dry and friendly to the skin.

3D Printed: We have many kinds of cute patterns of girl beachwear bathing suit. Such as mermaid,leopard,cat,rainbow,galaxy and so on.

PINK PEPPA PIG SWIMSUIT & PONCHO TOWEL FOR KIDS - Our adorable Peppa Pig swimsuit & absorbent towel for girls is the best way to keep your little ones comfortable whilst swimming and super warm & dry after swimming lessons, beach & pool days and bath time.

AVAILABLE IN VARIETY OF SIZES KIDS SWIMWEAR & ONE SIZE PONCHO - The Peppa Pig swimming costume for children comes in sizes; 12-18 months, 18-24 months, 2-3 years, 3-4 years, 4-5 years, 5-6 years and 6-7 years offering a scoop neck and strap sleeves with frills around the hem and waist whilst the kids towel poncho is one size suitable for children & toddlers.

MIXED MATERIAL PEPPA PIG SWIMSUIT & COTTON BEACH, SWIM, POOL & BATH TOWEL - The Peppa Pig bathing suit is made from 85% polyester and 15% elastane for a light, stretchy and comfortable feel. The Peppa Pig towel is made from a fast absorbent material perfect for getting your little one’s warm and dry!

EXCELLENT QUALITY GIRLS SWIMSUITS: Great smooth material, 82% nylon and 18% spandex，Lining: 100% Polyester. It's elasticity for perfect fit, quick dry, skin-friendly, breathable, comfortable and soft wearing, easy-to-clean and stain resistant.

FEATURES: Classical slim Cut Two Piece Swimwear with Long Sleeve, pretty secure and comfortable. Elegant founce details at chest, making girls more modest and chic.

NICE AND STRETCHY SEAM: This girls bathing suit is all cut with nice seam stitching at all edges and straps. Supportive and superior elasticity, smooth touch, durable and comfortable to wear.

🏊‍♀️Special Design: Danna Belle's girls one pieces swimsuits features Back Hollowed-Out, special 3D print, long sleeve, ruffle, zipper opening, and design, very attractive and cute; making your girl more cute.

🏊‍♀️Fabric: This girl long sleeve bathing suits is made of 85% Polyester, 15% Spandex, with UPF50+Sun Protection, blocks out more than 98% of the sun's harmful UV radiation, breathable, also lightweight and quick-drying, you little girl can stay comfortable and cool at swimming pool/beach all the time.

🏊‍♀️5-14Years Available--This is girls one piece swimsuits size 5-6, girls bathing suit size 7, girls swimsuit size 8, girls' one-piece swimwear 8-10years, girls ruffle swimwear size 10-12; Girl swimsuits size 12-14. Please refer to garment date(chest back/length sleeve/length) more then the age before ordering

🍋STYLE:lemon topic with international fashionable trendy, two layers ruffle, adjustable one shoulder strap makes the whole swimsuit fashionable and pretty;ties on the side legs to make sure the legs are adjustable, wonderful choice for beach fun and swimming lessons;

🍋COLOR: 3 colors for ruffle choice: orange, yellow, water melon red

🍋SIZE: (Note: watermelon red 14 size run a little big) 6 sizes for choice: 6, 8, 10,12,14,16, please see the details in description part .Size 6(XS):Bust:22.8in;Waist:21.2 in;Hip:26 in; 5-7y Size 8(S): Bust:24.4in;Waist:22.8 in;Hip:27.6 in;7-8 y; Size 10(M): Bust:26 in;Waist:24.4 in;Hip:29.1 in; 8-10y; Size 12(L): Bust:27.6 in;Waist:26 in;Hip:30.7 in; 10-12y; Size 14(XL): Bust:29.1 in;Waist:27.6 in;Hip:32.3 in; 12-14 y; Size 16(XXL): Bust:30.6 in;Bust:30.6 in;Waist:29.2 in;Hip:33.9in;14-16y

Includes one one-piece swimsuit with ruffle

Features UPF 50+ fabric to prevent sunburn, comfy scoop neck & sleeveless style

Designed for easy on/off when the swimsuit is wet or dry

Endless Fun In The Sun: At Tame the Sun, we know you want to keep your kids safe - so we’ve designed our girls long sleeve swimsuits to be the ultimate sun protection! With its high collar and long sleeves, these high-quality bathing suits for girls are made with lightweight, UPF 50+ fabric, that will protect your child against 98% of harmful UVB and UVA rays.

Perfect Fit For Years: Our long sleeve girls rash guard swimwear are made with durable, soft, and chlorine-resistant fabric, and will stretch comfortably to fit growing bodies. They have a long-lasting, full front and back lining for modesty even when wet. Plus, our girls modest swimwear has a zip guard and chunky zipper. Please refer to size chart below, we recommend sizing down if in doubt.

Adorable, Stylish Swimsuits: Your daughter will love the colorful, fun patterns on this sun-safe children’s swimsuit, and she will be a total standout on family trips to the beach or at the pool! This gorgeous bathing suit with sleeves is a timeless design featuring a modest cut appropriate for girls 3 to 12 years old, and the rear has three super cute ruffles for extra style!

Comfortable Material: Rainbowsnow girls one piece swimsuits are made of polyester & spandex, 4 way stretch, breathable, colorfast, quick drying and soft wearing.

Sun Protection: One piece bathing suits for girls use UPF 50+ fabric to protect the skin and not absorb heat under the sun. Girls feel free to wear our swimsuits for any activities.

Unique 3D Print: All over printed for girls swimming suits, like star, unicorn, mermaid, floral and so on. Dress our kids hawaiian swimsuit, enjoy the summer and beach!

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

Superior Chlorine Resistant Creora Highclo Spandex

No Wedgie Worries for stay put coverage

Cute Meets Comfy: Your little girl will love this tankini swimsuit top. The quick drying  stretchy fabric feels great all day long. Polyester and spandex blend. Machine wash.

Sun Safe: Unlike a typical swimsuit or bikini our lined racerback tankini top provides UPF 50 protection that doesn't wash away so she can have fun in the sun without getting burned.

Super Stylish: Mix and match this girls tankini top with bikini bottoms swim shorts and swim skirts in any size for a custom fit. It also has a double layer shelf bra in sizes 12 and up.

Twist-tie detail and signature flair make this rash guard set from Tommy Hilfiger a top choice, featuring raglan design for an easy-moving fit and UPF50 for added sun protection.

Two-piece: rash guard + bikini bottom

Long sleeve/raglan, twist-tie front, tagless interior

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 according to your feedback in 2022, 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

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.

Girls Rashguard Swimsuit Long Sleeve One Piece Swimwear Sunsuits. High quality bathing suits for girl one piece swimsuit adopts long sleeve design. The lightweight fabric with rash guard function has a UPF 50+ sun protection value. The long sleeve sun protection swimsuits can effectively block 97% of harmful UV rays. Sporty one piece bathing suit beach swimwear for girls is the eye-catching style, flattering UV protetion surfing swimsuit is a safe choice for parents. love rash guard swimwear.

Kids Girl One Pieces Bathing Suits Front Zipper Swimsuits Beachwear. UV protected swimsuits for teens girls has a front zipper, even if retro ruffled one piece swimsuit after wet water, you can easily put on and take off the uv long sleeve swimsuit. Rash guard sun protection 1 piece swimsuit design gives full coverage to the hips. Simple and sporty long sleeve bathing suit design is perfect for surfing and water sports, and full sleeve rashguard long sleeve swimsuit is a good choice for kids.

Cute Floral Ruffled Long Sleeve Swimsuit For Girl Sun Protection Swimwear. Lovely 1 piece swim suits beachwear is made of nylon and spandex, has good elasticity and hypoallergenic, UV protection long sleeve swimsuit protects the child's skin. The fully coverage bottom and cuffs of the fashion one piece swimsuit have adorable ruffled, long sleeve swimsuit upf 50 sun protection swimwear is full of comfortable details. Let this rashguard swimsuit long sleeve sun suits accompany the little princess!

【ADORABLE PATTERN & UNIQUE DESIGN】Our girls one piece swimsuit features the trendy floral patterns and stylish one shoulder design, which offers a fabulous and lovely look to your sweeties.Also this girls one shoulder swimsuits should be a perfect gift idea for your girls.

【ALL DAY COMFORT & SUN PROTECTION】With lightweight and SPF 50+ rated chemical free fabrics, our girls one piece bathing suit would protect your children’s delicate skin against 95% of harmful UVB and UVA rays all day long for a comfortable wear.

【A-GRADE QUALITY & GREAT DURABILITY 】These girls one shoulder bathing suits are guaranteed to hold up to your usual wear while maintaining their color and shape. 80% Polyamide and 20% Elastane combined premium fabrics provide perfect amount stretch for your growing girls in a long term use.

ZeroXposur Big Girls Swimsuit Sizing: Small(7/8), Medium(10-12), Large(14), and X-Large(16), 1X(16 ½), 2X(18 ½), 3X 20 ½

Girls bathing suit offers 30+ UPF protection. Tank design features a racerback with a sheer mesh inset for full range of motion

Swimsuit for girls boasts a U-neckline with a zipper accent. Printed center panel on the front of the swimsuit adds a pop of color. Zipper has a solid lining for modesty and to prevent pinching of the skin as the zipper moves

Scoop neckline,crossback back with keyhole design,chic one piece swimsuit for girls

Non-adjustable wide crossback straps stitched with a cute sailor tie decoration

Full lining with soft and breathable fabric,keep off from see-through while provide soft and comfort touch feeling for kid's skin

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.

【3D Pattern Design】These girls one piece bathing suit feature colorful and fashionable 3D print designs, such as american flag, starry sky, fireworks, flowers and more, creating a happy summer time, and will show your girl's most charming and adorable side in the crowd. Your little princess will love this new swimsuit gift and enjoy the fun of swimming.

【Premium Quality Guaranteed】These fashionable & cute bathing suits for teen girls are made of soft and elasticity upgraded SPF 50+ rated fabrics, which provides enough space for growing child while protecting their delicate skin from 95% of harmful UVB and UVA rays. And all the edges and straps of the swimsuit are stitched with flat seams for less friction, more support, and a smoother feel for a long-lasting comfortable wearing experience.

【Vibrant and Functional Design】 Classic slim one piece swimsuits for girls with bright 3D pattern design, vibrant and stylish; Adjustable straps on the back that can be crossed or parallel, safe and comfortable, easy to wear and take off. Soft fabrics are perfect for child's sensitive skin, lightweight and durable, quick drying and non-fading. Super cute and convenient girls' swimwear will make it ideal for girls swimming lessons and beach fun.