Best Juniors Baby Girls One Piece Swimsuits in 2026

ADORABLE DESIGN - Features the sweetest details for stylish sun safety. One-piece design and long sleeves offer full coverage and comfort along with greater flexibility while your little girl grows. And, our signature ruffles are on every pair of bottoms.

BUILT-IN SUN PROTECTION - No more tears! Keep your little girl's delicate skin safe in the sun with RuffleButts features built-in UPF 50+ so there's more playing and less worrying about harsh UV rays. Perfect for the beach, lake or pool!

QUICK CHANGE SNAPS and ZIPPER - Diapers changes are a breeze with 3 nickel-free snaps at the bottom and a convenient zipper at the neck/back makes getting this suit on / off a no-more-tears experience.

UPF 50+ sun protection

Quick-drying fabric

Trusted Carter's quality, every day low prices, and hassle-free packaging-exclusively for Amazon member

COMFORTABLE MATERIAL: This baby swimsuit is made of high quality fabric, which is very soft and stretchy. Your little one will feel comfortable and relaxed all the time.

CUTE SUN HAT: Toddler rash guard that comes with a lovely hat, it covers baby's delicate face and neck. which can give baby more protection when playing at the sea, beach or under the sun.

UPF 50+ SUN PROTECTION: This baby swimwear UPF 50+ sun protection blocks 97.5% of harmful UV radiation to keep your cutie safe in the sun.

Material: 80% Nylon 20% Spandex little girls swimsuit，stretchy and soft fabric, skin-friendly,quickly drying

Fits:18-24 month/2-3 years old/3-4 years old/4-5 years old toddler kid baby girls

So cute kid baby one piece flamingo stripe swimsuit,lovely for little girls

2-piece set comes with leopard swimsuit and matching headband.

Ruffle nylon spandex one-piece swimsuit features back bow and inner leg snap closure. Pairs with coordinating bow headband.

Contains UPF 50+ to protect your little one.

Includes one rashguard & one pair of swim trunks

Features UPF 50+ fabric to prevent sunburn, comfy crew neck & long sleeves

Trunks feature adorable ruffled back & are designed for easy on/off

Trim, lightweight, and comfortable swim diaper encourages swimming—Baby will move freely during swim lessons without feeling weighed down. No bulky fabric and extra snaps. Our 2-in-1 baby girl swimsuit and reusable swim diaper is all you need for playtime at the pool or beach.

PATENTED, TRIPLE-LAYER DESIGN FOR SECURE PROTECTION—A wicking liner prevents diaper rash, an inner absorbent layer for protection outside the pool, and waterproof outer layer with the snug-fitting waist and legs offers secure protection from accidents.

ENSURE A SNUG FIT TO PREVENT ACCIDENTS—A snug fit without being too tight and frequent diaper checks are essential for any swim diaper to prevent pool accidents, see the size chart for more information.

🧜‍♀️Material: Polyester&cotton,soft and comfortable for girl baby, Your little baby will feel comfortable wearing this ruffle bathing suit.

️🧜‍♀️Size:the mermaid scales swimwear and sunsuit is suitable for 6-12months 12-18months 18-24months 2-3years 3-4years baby infant girls.Please check the size detail on description before purchasing the swimsuit for your little girl.

🧜‍♀️Ocassion:the baby rashguard swimsuit girl is great for the baby ocean theme party,baby beach theme party,sea, pool, party, vacation, swimming, kiddie pool, beach,birthday gift or photos!

High Quality UPF 50+ Nylon Tricot

Lined front & back

Available in Sizes 2 through 14

80% Polyamide + 20% Elastane

Long sleeves; Zipper front; Double stitched seams

One-Piece Swimsuit with UPF 50+ Sun Protection

Extra Zipper Closure at Crotch for Quicker and Easier Diaper Changing.

Front Zipper with unique puller for easy on and off and Zipper flap for protection.

UPF 50+ swimwear can block over 98% of UVA and UVB rays,no hurts.

【High quality Material】 Baby swimsuits uses 82% polyamide fiber and 18% elastic fiber, which is more elastic, comfortable, quick-drying, lightweight, soft and breathable. Friendly to your boys and girls’ skin. UPF 50+ sun protection blocks 97.5% of harmful UV radiation, protect your kid's skin.

【Friendly Design】This one-piece toddler bathing suit has a front zip for convenience putting on and taking off. Zipper flap and garage protect your baby's delicate skin. Skin-friendly lining. All-day sun protection—wet or dry.

【Delicate Print】This baby swimwear has bright colors and interesting patterns, pineapple, mermaid fish scale, USA American Flag, whale, sailing boat, navy stripes with rich color (blue, yellow, pink, red, orange, gray )to your little guy's travel, enjoy the summer, beach vacations, swimming pools, pool parties, summer surfing diving, etc.

One-piece zip rash guard shirt for girl from 3 months to 6 years old

UPF 50+ Sun Protection- Ruffle trim at arms and leg, an allover floral print, sun protection blocks more than 97.5% of UV rays, to keep your little girl's sensitive skin safe in the sun

Front Zipper Design- Girl rash guard swimwear made of soft, comfortable, and stretchy fabric,it is friendly to the baby's skin, easy for the girl to put on and take off

Soft Material: This cute style baby swimsuit is made of high quality and comfortable material with good stretchability. It is harmless to the body for babies to wear without worry

UPF 50+ sun protection: This baby swimsuit has a sun protection factor of UPF 50+, which can block 97.5% of harmful UV rays. The UV protection is effective at the sea, on the beach and in the outdoor pool without the need to apply sunscreen to baby's sensitive skin

Zipper & Snaps: The baby swimwear features a zipper, there is a zipper garage between the zipper and the skin to avoid scratching the baby's delicate skin. With snaps, it's easy to change diapers

Skin-friendly Material: The baby girl swimsuit is made of polyester and spandex, soft, great elasticity, quick-dry, UPF50+ sun protection, and no harm to your baby's skin. Pretty cute and comfortable swimsuit for girls.

Adorable Design: Baby girl one piece swimsuit designs beautiful ruffles, different cute dinosaur prints, fashionable and eye-catching. Proper coverage toddler bathing suit allows your girl to enjoy in summer.

Size: Cute toddler girl swimsuit suitable for 3 months-3 years old, baby swimsuit girl 3-6 months, infant swimsuit girl 6-12 month, toddler swimsuit girl 12-18 months, one piece bathing suit for girl 18-24 months, 2t bathing suit toddler girls, 3t swimsuit girls.

METERIAL: Professional swimsuit fabric, Quick-drying and Breathable ensure your baby's comfortable experience when playing

FASHION DESIGN: One-piece design, match with ruffles on the front, V cut rules back, Give your baby more flexibility while keeping the swimsuit fit

WASH AND SIZE: Hand wash or Machine, Size for 0-3 Months/3-6 Months/6-12 Months/12-18 Months/18-24 Months/2-3T/3-4T baby girl swimsuit

92% Polyester/8% Elastane

Machine wash cold inside out with like colors

❤ Quick Dry Baby Girl Swimsuit -- Professional spandex/polyester fabric, stretchy and comfortable. Well fitting bathing suit help your girl enjoy themselve in the water.

❤ Cute Toddler Girl Swimsuit -- Features the cutest details for girls bikini swimsuit, ruffles around the neck and sleeve, full of comfort and sweestness. One pieces designs tankini with great elasticity concerning to your little princess's grows. Baby rashguard swimsuit in various colors, fashional watermelon swimsuit, flower bathing suit, mermaid swimsuit, tropical swimwear, stripe swimming suit etc, let your girl get a lot of compliments.

❤ Summer Swimming Suit Occasion: beachwear, swimwear, sunsuit, bathing suit, perfect for lake/seaside/pool/beach/water park.

MARETIAL&WASH: polyester, comfortable and breathable, soft and elastic, skin-friendly, machine wash, no shrink and fade

UNIQUE DESIGN: long sleeve swimwear for girls, wild leopard and lovely flower printing for you to choose, convenient back zipper closure, adorable ruffles and matching hat make your little girl more attractive

SUGGESTED SIZE: [SIZE UP] this item is smaller size, we suggest that it's better for customers to buy a Bigger size. 3-6 months, 6-12 months, 12-18 months, 18-24 months; please learn more size information from product description as reference

High quality material: 82% polyamide and 18% elastane. Cool and comfortable. The swimsuit are lined, not see-through

Unique design: baby girl swimsuit with ruffles design on the sleeve and bottom, watermelon and flower print, makes your baby more attractive

Recommended age: 6-12 months swimsuit for girls, baby girl swimsuit 12-18 months, 18-24 months bathing suits for girls, 2-3t girls swimsuit, toddler bathing suit 3-4t girls

Chemical-free UPF 50+ sun protection

Zipper closure on back

Snap closure at inseam

Certified UPF 50+, blocks the harmful UV rays. Perfect for the swimming, beach travel, summer camp, water park and anywhere sun protection is needed.

Lightweight and quick-drying fabrics, which are softer and more comfortable than normal fabrics, sewing well with four threads flatlock stitch.

With one piece and raglan long sleeve designs, this lovely swimsuit provides enough coverage to protect your baby's skin.

This adorable one piece swimsuit/bikini will keep her comfortable and fashionably cool all day, for her active lifestyle

True to fit, wears and washes well, shrink and fade resistant

Soft and comfortable for everyday, year-round

Genuine, Original, Authentic Disney Store

One-piece swimsuit with allover Minnie Mouse print

Ruffled trim at shoulders

Snaps and Zipper - Diapers changes are a breeze with 3 nickel-free snaps at the bottom and a convenient zipper at the neck/back makes getting this baby swimsuit on & off a no-more-tears experience

Ruffles and Long Sleeve - One-piece design and long sleeves offer full coverage and comfort along with greater flexibility while your baby grows. Bottoms ruffles are more cute

Sun Protection - The toddler girls swimsuit with UPF 50+, blocks out more than 98% of the sun's harmful UV radiation, effectively resist ultraviolet ray, protect your baby's delicate skin. Perfect for the beach, pool and waterpark

Chemical-free UPF 50+ sun protection

Fully lined

Chlorine and saltwater resistant

Blocks 99% of UVA/UVB rays

Fast Drying Knit

Prewashed

🐬【Soft Material】This baby girl swimsuit is made of soft stretchy fabric, breathable and comfortable for swimming. The baby bathing suit is skin-friendly that will not hurt your baby's skin.

🐬【Boho Design】The baby swimsuit applied summer elements and colors, cute printing, ruffle sleeveless, one-piece baby girl bathing suits, ruffle skirt design, lovely headband, boho colors, bring the swimming atmosphere to the baby and the family, enjoy summer.

🐬【Reliable Quality】This baby girls' swimwear is with stretchy fabric and smooth surface, perfect for baby learning swimming. The baby girl swimsuit is suitable for baby's swimming lessons, swimming pool, hawaii trip, ect.

Ready for Spring Break? Don't forget to pack our Girl's Rose Bow Swimsuit Set.

The two piece set comes with a nylon spandex one-piece swimsuit features a white background with pink roses throughout. 

The swimsuit features pink and white bows and comes with a bow headband.

MULTISIZE FOR YOU TO CHOOSE : Aalizzwell prepared different size for baby: Newborn, 0-3 months, 3-6 months, 6-12 months, 12-18 months, 18-24 months. In order to choose the good size for your little baby girls, please check the measurement chart on description before purchasing.

PREMIUM SWIMSUIT MATERIAL : Crafted in soft polyester & Spandex, quick-drying and breathable. Are you ready to wrap your little girl up in this baby girl swimming suit?

UNIQUE DESIGN : Aalizzwell classic long sleeve swimwear with hat for girls. One piece design with durable snaps closure. Different colors to choose, it looks cute for girls! Every detail is designed for infants to toddlers, giving baby free space to grow up.