Best Juniors Baby Girls One Piece Swimsuits in 2026

Daisy
Last Updated: Jul 20, 2026

At a Glance: Our Top Picks for Juniors Baby Girls One Piece Swimsuits

Baby Girl One Piece Swimsuit Swimwear Toddler Kid Flamingo Bikini Bathing Suit Sunsuit Rash Guard L
#TOP1
Baby Girl One Piece Swimsuit Swimwear Toddler Kid
9.9
PM SCORE
Kid Toddler Baby Girls Bathing Suit Bow Dot One Piece Swimsuit Swimwear, Red Black, Large
#TOP2
Kid Toddler Baby Girls Bathing Suit Bow Dot
9.8
PM SCORE
Mud Pie baby girls LEOPARD SWIMSUIT AND HEADBAND, Pink, 3T US
#TOP3
Mud Pie Baby Girls Leopard Swimsuit And Headband,
9.8
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Juniors Baby Girls One Piece Swimsuits of 2026

Market Overview
Juniors Baby Girls One Piece Swimsuits Reviewed
  • Reviews Analyzed: 23416 Items
  • PM Avg. Rating: 8.0 / 10
38 Products Evaluated
  • Highest Price: $40.45
  • Lowest Price: $9.98
  • Avg. Price: $23.21

Baby Girl One Piece Swimsuit Swimwear Toddler Kid Flamingo Bikini Bathing Suit Sunsuit Rash Guard L

KIMJUN
ETYZ-164-L
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Kimjun 8.75

Features

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

Perfect for swimsuit pool, beach, spring,garden or outdoor activity

baby swimsuit flamingo one piece swimsuit for baby girl kid toddler stripe swimwear UPF50+ sun protection swim hat swimming wear one-piece swimsuit bikini kid girl tankini swimsuit 18-24 month one piece bathing suit sunsuit rashguard blue dress cute

Kid Toddler Baby Girls Bathing Suit Bow Dot One Piece Swimsuit Swimwear, Red Black, Large

LOSORN ZPY
4327921992
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Losorn ZPY 7.25

Features

Material:80% Nylon, 20% Spandex,high quality smooth quick dry fabric,stretchy,comfortable and durable,smooth touch,High Quality material. Very soft and quick-dry for you little girl. Suitable for beach swimwear and bathing suit

Design:baby girl one piece swimsuit,elastic shoulder straps, back cross,swimwear with white polka dots.ears and big bow decoration across the front ches,the swimsuit are stitched with flat seams for less friction,and a smoother feel for a long-lasting comfortable wearing,a soft lining to keeps your little girl more comfy and sweet

Wash instructions: for girl one piece swimwear, hand wash or machine wash in cool water without detergent, and hang dry

Occasion: Baby girl swimsuit perfect for summer holiday, swimming pool, birthday parties, beach wear, water park, lake, summer vacation, summer bathing, surf,hot summer or any occasion

Size: Available Age is 1-5 years old, Check our size chart to find the size you need,4 size for 1-2 years old, 2-3 years old, 3-4 years old,4-5 years old girls

#TOP3

Mud Pie Baby Girls Leopard Swimsuit And Headband, Pink, 3T Us

MUD PIE
11020055-3T
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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.

Stretchy, comfortable, breathable, and gentle on your little one's skin.

Bow and swimsuit are made of quick dry fabric.

Inner leg snap closure for easy diaper changes!

Crafted and designed with specialty details and signature Mud Pie charm.

Machine washable for easy cleanup.

Mud Pie Girls Reversible Swimsuit & Headband Set, Rainbow, 12-18 Months

MUD PIE
11020106-18
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Don't forget to pack this Rainbow and Stripe Girl's Swimsuit Set.

The three piece set comes with a reversible nylon spandex two-piece swimsuit and features a pom trimmed peplum flounce

One side features a rainbow print pattern while the other features a striped pattern. The set comes with a coordinating bow headband.

Size: 12-18M

If a child is in-between sizes, we recommend sizing up.

Cutemile 5 Years Old Girls One-Piece Swimsuit Summer Quick Dry Halter Butterfly Bathing Suits Breathable Mesh Bikini Swimwear 4-5 Years

CUTEMILE
TZXD
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
dinglandianzi 7.23

Features

Material: Nylon & Spandex. Quick-drying and Breathable

The girls swimsuit with lace-up shoulder strape and ;ruffled hem,girls swimwear can be suit quickly and makes your girls so cute.

Occasion: The girls bathing suit is perfect for summer, swimming, beachwear, beach party, pool party, SPA, bathing,and hawaiian vacation.

All over 3D graphic for the girls swimsuit,Never fade and split,Liking Leopard/Unicorn/Rainbow/Flamingo/Hawaiian/Mermaid.

Washing tips: cold water washed or machine wash

#TOP6

Toddler Girls One Piece Bathing Suit Pineapple Graphic Hawaiian Swimsuit Adjustable Strap Halter Swimwear Bikini For Surfing 4-5 Years

IDGREATIM
GSG11GEMS
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aflycatus 9.77

Features

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!

UPF 50+: All-day sun protection. Our bathing suits block 98% of the sun's UV rays, which can effectively protect your child's skin. Great for beach, swimming, surfing, pool party, vacation, school, swimming lessons and so on.

Summer essentials: Add a summer touch to your beach trip. Our swimsuits are easy to wash and do not fade, making it your summer essentials.

Baby Girls One Piece Swimsuits Long Sleeve Rash Guard Zipper Back Bathing Suit Sun Protection Upf 50+ Floral 12-18 Month

MOON TREE
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GeeCo 9.68

Features

EXCELLENT QUALITY BABY 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 One Piece Swimwear with Long Sleeve, pretty secure and comfortable. Three nickel-free snaps installed on the bottom of our swimsuit. The snaps makes it convenient for parents to change diapers for the baby. Back zipper design makes it easier for parents to put on and take off this cute swimsuit. NOTE! our 2-3 year swimsuits have no bottom snap!

NICE AND STRETCHY SEAM: This baby girls one piece bathing suit is all cut with nice seam stitching. Supportive and superior elasticity, smooth touch, durable and comfortable to wear, more gentle protection of baby's delicate skin

ALL DAY SUN PROTECTION: One piece long sleeve swimsuit is with UPF 50+ fabrication protects Baby's fragile skin, does not absorb heat under the sun. Ideal for baby girls summer vacation, beach , swimming pool, hawaii and other water activities.

CUTE STYLES OF SWIMSUITS: The bright color block bathing suit design and floral and animal printing amp up the happy summer breath. Stunning tropical floral patterns to show your baby girl a most adorable in the crowd, attractive and lovely. If you have any quality and size problems, please feel free to contact us, we provide unconditional refund, return and exchange service.

Toddler Baby Girl Two Piece Tankini Swimsuit Set Kids Short Sleeve Flower Print Bathing Suit Upf 50+

HZYBABY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HYXFJITS 5.53

Features

❃❃Just hand wash in cold water, then dry flat for play day after play day.

❃❃Material:82%Nylon+18%Spandex;lining:95%Polyster +5%Spandex. soft and comfortable.

❃❃Design:O-neck,Short Sleeve,Cute Floral/Butterfly on Tops,Ruffle Bottoms, Fashion Colorful.

❃❃Toddler Girl Cute Rash Guard Set Size for 6-9Months /9-12Months /1Years/2Years/3Years/4Years/5Years

❃❃HAPPINESS GUARANTEE - We want our customers to be completely happy! That¡¯s why we offer a 100% Happiness Guarantee: if you¡¯re not fully satisfied with your purchase, our customer support will make it right.

6 Years Old Girls One-Piece Swimsuit Summer Quick Dry Halter Mermaid Bathing Suits Breathable Mesh Bikini Swimwear 5-6 Years

IDGREATIM
8G7SNTUD4
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aflycatus 9.77

Features

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 and women bathing suit great for swimming, beach, surfing, pool party,beachwear,vacation.

Washing tips: cold water washed or machine wash

The swimwear suit for 3-10 years girls and women,Please choose right size according our size chart.

#TOP10

Losorn Zpy Kid Toddler Girls Cute Swan Bathing Suit One Piece Swimsuit Swimwear 4T Beige

LOSORN ZPY
LZ-TYY-11-4T
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Losorn ZPY 7.75

Features

Material:80% Nylon + 20% Spandex

5 size for 2-6t kid girls

Style:The one-pieces lace swimsuit

Fashion cute and stylish,Hand wash or Machine

7-15 days to arrive,fba has 2 day shipping service

#TOP11

Digirlsor Baby Toddler Girls Boys Float Suit One Piece Rashguard Cartoon Short Sleeve Zip Up Buoyancy Swimsuit +Cap Blue, 1-2T

DIGIRLSOR
DCW630-LAN-L
5.91 X 3.94 X 1.97 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Digirlsor 5.43

Features

? ?Material: well made and durable toddler swimsuit one piece with float, made of 85 percent nylon fabric and 100 percent polyester lining. Quick dry fabric and high elastic baby one piece bathing suits baby float swimsuit, very soft and comfortable to wear, safe and skin-friendly to baby's skin

? ?Safe Design: The baby girls buoyancy swimsuits use 8 removable buoyancy bars, and the 8 buoyancy bars are EVA environmentally friendly cotton. Non-absorbent, water resistant, non-toxic, tasteless, non-polluting, highly resilience and good toughness, keep safe and let baby quickly learned to swim and love water sports

? ?Design: adorable cartoon print pattern, zipper closure, easy to put on and take off, comfortable v neck and short sleeve, shorts bottoms design, one piece baby swimsuit with float, great gift to your baby girls/boys

? ?Occasion: the baby swimsuit with floatation suitable for swimming wading, bathing, training, kiddie pool, seaside and so on

? ?Size: the float suit toddler girl one piece rash guard swimsuit kids floating swimsuit Size for 0-5 years old baby toddler girls boys. Please check the size information carefully in product description to select the right size

Newborn Infant Baby Girl One Piece Bathing Suit Rainbow Mermaid Swimsuit Fish Scale Printing Swimwear 0-18 Months (Mermaid, 0-3 Months)

TINY CUTEY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MUEDPLY 7.17

Features

Material: nylon, comfortable and breathable, soft and cozy, skin-friendly, both hand wash and machine wash are ok

Feature: lovely pink bow decoration, bottom ruffle trim, summer trendy baby girl bathing suit, cool sleeveless design, adjustable straps, mermaid printing one piece swimwear

Suggested age: 0-3 months newborn girl bathing suit, 3-6 months baby girl mermaid swimwear, 6-12 months infant girl swimsuit, 12-18 months girl strap bathing suit; please learn more size information from product description as reference

Occasion: casual, weekend activities, gift for baby, family gathering, playwear, photograph etc.

Package: include 1pc swimwuit

Adaverano Baby Girls Sunsuits/Swimsuits Upf 50+ One Piece L/S Rashguards(Lemon,3-6M)

ADAVERANO
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

UPF 50+ Sun Protection

Baby Girls Sunsuits/ Swimsuits

One Picecs with Sun Cap

80% nylon 20% spandex.Hand Wash Cold.

Front/Back Zip for Easy On and Off

Mersariphy Toddler Baby Girl One-Piece Swimsuit Long Sleeve Swimsuit Girls Bathing Suit Rash Guard (12-18 Months, Pink Beige)

MERSARIPHY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MERSARIPHY 9.58

Features

♥ Fashion Design: flowers/leapard/hears printed,long sleeves,hiden zipper closure

♥ Fabric Features: High Quality UPF 50+ Nylon Tricot, stretchy and soft, skin-friendly,quickly drying

♥ Super cute swimsuit for kids! Suits your baby perfectly and is simply adorable. Your kids will got a lot of compliments!

♥ Perfect Summer Gifts for Girls: Great for swimsuit pool, beach,,family photography, spring,garden or outdoor activity

♥ Fits for Toddler Girl: 12 months girl swimsuit/2t girls swimsuit/3t swimsuit girls/4t girls swimsuit/5t swimsuit girls/6t girl swimsuit

#TOP15

Cadocado Baby Girls' Ruffled Sleeveless Swimwear Upf 30-40 Sun Protection One Piece Swimsuits For Infant(1.5-2Y) Pink

CADOCADO
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CADOCADO 8.22

Features

Baby Girls One-Piece Swimsuits:Suitable for girl aged 6M-6Y.The scoop neck and sleeveless design is easy for the baby to put on and take off.The ruffle design on the chest swings with the wind to make your girl more cute.

Elastic Material:The toddler baby girls sleeveless swimwear made of nylon and spandex. This material has the characteristics of softness, quick drying and high elasticity,that very suitable for the delicate skin of little girls.

Built-in Sun Protection: Baby girls'ruffle one piece swimsuits can provide sun protection for your child.UPF 30~40 Sun protection blocks more than 97.5% of UV rays, to keep your little girl's sensitive skin safe in the sun.

Print design:The little girls off shoulder scoop one piece swimwear has a bright print design.The fun-print theme keep her cute, lively and safe during beach time adventures.

Multiple Occasions:This baby girl bathing suits is perfect for swimming lessons, beach trips, pool parties, water games, sunbathing, and photography. The toddler swimsear is also a wonderful gift for your girls.

Ruffle One Piece Swimsuits For Women Cute Tummy Control V Neck Bathing Suits For Teens Ladies Vintage Retro High Cut Monokini Beachwear Pink Floral Xl

UPOPBY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Upopby 9.79

Features

Ruffled Shoulder Cute One Piece Bathing Suits: This ladies chic one piece slimming swimsuit features with wider ruffle trim along the sleeves, which helps to hide your baby fat on your arms, and also adds cute and flattering elements to this swimsuit, you will be the most outstanding one in this summer.

Plunge V Neckline: The deep plunge neckline of this womens sexy high cut swimwear adds sexy and bares your skin for a perfect summertime, not too revealing or too modest, perfectly show your charm on the beach, pool or seaside.

High Cut Leg & Low Back Design: This ladies tummy control bathing suit featuring with high cut leg and moderate coverage bottom helps to elongate and slim down your legs, making you looks more flattering and charming. The low back design also makes looks more sexy and feminine.

Material: The retro plus size bathing suits made of nylon and spandex, which is more soft and durable than other fabric. The quick dry and comfortable fabric with high elasticity and air permeability, lightweight and suitable for long time comfortable wearing.

Occasion: This flattering swimsuit for women with trendy and chic design, and also simple and basic enough, which is suitable for ladies, teens and girls. It’s cute, sexy and elegant, perfect for pool, beach, seaside, vacation, holidays, daily swimming and also go to labs.

#TOP17

Flap Happy Baby/Toddler One Piece Swimsuit | Girls' Stella Infant Ruffle Swimsuit | Upf 50+ Highest Certified Uv Sun Protection, Pink Gingham Seersucker, 3M

FLAP HAPPY
10.00 X 13.00 X 0.25 inches
0.31 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Flap Happy 9.93

Features

☀️BLOCKS UV RAYS: UPF 50+ designation is the highest UV protection certification available which blocks 97.5%+ of cancer causing UV rays from penetrating the material.

☀️QUICK DRY FABRIC: 44% Nylon 46% Polyester 10% Spandex quick dry fabric provides for a perfect day at the beach or in the pool without running the risk of diaper rash unlike other brands.

☀️COMFORT & QUALITY: UPF 50+ fabrics can be heavy and sweaty to wear, however, our fabric is lightweight and breathable to maximize comfort.

☀️CALIFORNIA BORN: For the last 30+ years, we’ve been designing and testing our beach apparel in sunny Malibu, California. This has given us the time and environment to PERFECT the swimsuit fit and design.

Baby Kids Girls One Pieces Swimwear Swan Flamingo Cartoon Swimsuit Bating Suits With Caps 5-6 Years

JELEUON
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
LLH store 5.47

Features

Simple, elegant and incredibly comfortable.

Material:Fabrics: 84%Nylon,16%Spandex Lining:98%Polyester,2%Spandex

Hand wash recommend.Great for beach/ resorts/ swimming pools.

Notice: Due to difference Computer Minitors,the color maybe slightly diffrent from picture.

Package include 1 pcs Swimsuit

Women's Bikini Print Set Swimsuit Three Piece Filled Bra Swimwear Beachwear Boys Swimming Shorts Size 14 Orange

LEKODE
ZDFFTNZW
0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
LEKODE 5.84

Features

Package Include: 1Set Swimwear (Containing Chest Pad)

4,High Quality Internal Nylon Fabric, Personal Dismantling

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Top 10 baby girls one piece swimsuits Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Mud Pie 9
Mersariphy 4
Adaverano 3
Digirlsor 3
Idgreatim 3
Hzybaby 2
Kimjun 2
Losorn Zpy 2
Cadocado 1
Cutemile 1

Top 10 baby girls one piece swimsuits Brands Pie Chart


We've carried out a comprehensive analysis of 23,416 reviews on baby girls one piece swimsuits, using our selection criteria to identify the best options in the baby clothing & shoes. Our findings reveal that most customers typically select baby girls one piece swimsuits priced around $23.21, with top brands including simple joys by carter's, gerber, rufflebutts, mud pie, the children's place, nike, hatley, i play. and jessica simpson and gap

Our team of expert editors reviewed these high-quality items and handpicked the top 19 baby girls one piece swimsuits for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the baby clothing & shoes category. These include amazon.com, rufflebutts, mountaineer sellerz, graves drugs & gifts, plenty pearl, kimjun, younger-tree, huanqiu store and vivi baby and befair .

We are dedicated to assisting our users in finding the right swimsuits Products based on their needs, saving them considerable time when choosing which baby girls one piece swimsuits to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.