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10 Best One Piece Swimwear For Girls

#1 Best Pick
TiaoBug Girls Swimsuit One Piece Swimwear Ruffle Skirts Bathing Suit Zipper Neckline Short Sleeve Beachwear Navy Blue 11-12 Years

TiaoBug Girls Swimsuit One Piece Swimwear Ruffle Skirts Bathing Suit Zipper Neckline Short Sleeve Beachwear Navy Blue 11-12 Years

Brand: TiaoBug
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  • Made of high quality material, skin friendly, quickly-dry and comfortable to wear
  • Flower printed swim dress with built-in shorts is safe and convenient to wear
  • Zipper closure is easy to wear. Quickly-dry fabric keeps girls feel cool and dry
  • Size Table means age ranges for girls, but they are for general guidance only
  • Perfect for swimming, bathing, surfing, training, tropical trip, pool, beach holiday, water park, hot spring, etc
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#2 Best Value
Dressy Daisy Girls Princess One Piece Swimsuit Bathing Suit Adventure Swimming Outfit Swimwear Size 12

Dressy Daisy Girls Princess One Piece Swimsuit Bathing Suit Adventure Swimming Outfit Swimwear Size 12

Brand: Dressy Daisy
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  • Stunning and cute one-piece girls' princess inspired swimwear with digital print pattern. Wear this swimming costume and sail out to the ocean adventure!
  • Lovely design: One shoulder ruffle swim dress with spaghetti strap. Swim skirt with built-in brief bottom.
  • Made of soft, comfy and breathable materials, no itchy! Flexible and stretchy fabric for easy wearing and taking off.
  • 11 sizes for toddler and little girls, 12-18 Months, 18-24 Months, 2-3, 3-4, 4, 5, 6, 8, 10, 12 and 14. Please measure the actual body size and refer to our size chart to choose a proper size for best fit.
  • Great for swimsuit, swimwear, bathing suit, beachwear, summer holiday swim wear, pool party swimming costume, vacation, swimming class and lessons, water activities or beach photo shooting.
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#3 Budget Pick
Dressy Daisy Toddler Girls Ladybug Red & Black Polka Dots One Piece Swimwear Swimming Suit Swimsuit Swim Costume Size 2-3, 094

Dressy Daisy Toddler Girls Ladybug Red & Black Polka Dots One Piece Swimwear Swimming Suit Swimsuit Swim Costume Size 2-3, 094

Brand: Dressy Daisy
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  • Adorable ladybug one piece swimsuit bathing suit for toddler and little girls. A simple but fun swimwear to get ready for the active sunny days!
  • Sleeveless lady bug swimming costume with red and black polka dots print. V neck, adjustable criss-cross straps. Featuring a cute ruffle at neckline.
  • Made of soft, comfortable and breathable materials, no itchy! Pull on style, flexible and stretchy fabric for easy wearing and taking off.
  • Sizes for toddler children and kids girls, 3, 4, 5, 6, 7 and 8. Age is only an approximation of size. Please measure the actual body size and refer to the size chart to choose a proper size for best fit. There may be minor size difference depending on size measuring method.
  • Great for swimsuit, swimwear, bathing suit, beachwear, summer holiday swim wear, pool birthday party swimming suit, vacation, swimming class and lessons, water activities or beach photo shooting.
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#4 Top Choice
UMELOK Girls Long Sleeve Rash Guard One Piece Swimsuits with UV Protection Sunsuit, Flower, 3-4 Years

UMELOK Girls Long Sleeve Rash Guard One Piece Swimsuits with UV Protection Sunsuit, Flower, 3-4 Years

Brand: UMELOK
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  • Excellent quality Fabric: This girls long sleeve rash guard swimsuit is made of high quality fabric, skin-friendly, quick dry, breathable,soft and comfortable to wear
  • UPF 50+ SUN PROTECTION: This girls long sleeve one piece swimsuits has a sun protection factor of UPF 50+, which can block 97.5% of harmful UV rays. Great for the Beach, Lake or Pool and excellent for learning to swim or for extended periods in and around the water
  • Girls Long sleeved Swimsuit: This girl's swimsuit features a long sleeved high neck design, providing the best sun protection effect. Four-way stretch and shape memory
  • Girls Rash Guard Swimsuit Features:Classic slim fitting girl long sleeved rash protection, very comfortable. Front zipper design for easy entry and exit. Make girls more fashionable
  • Girls' long sleeved rash guard one piece swimsuit is suitable for hand washing in cold water, hanging in a cool place to dry, without bleaching or ironing, to keep it longer using
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#5 Popular Choice
Dressy Daisy Girls Unicorn One Piece Bathing Suit Swimsuit Swimwear Size 4T Hot Pink 054

Dressy Daisy Girls Unicorn One Piece Bathing Suit Swimsuit Swimwear Size 4T Hot Pink 054

Brand: Dressy Daisy
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  • Stunning and cute unicorn girls' one-piece swimwear. Perfect one piece bathing suit or swimsuit for toddler kids and children. Different design and cutting, with colorful digital printed pattern like little pony, rainbow, castle etc.
  • Style A & F: One shoulder ruffle design. / Style B: With tulle tutu skirt. / Style C & D: Ruffle on shoulder and leg openings. / Style E: Swim dress, ruffle one shoulder. Swim skirt with built-in brief bottom.
  • Color: Pink / Purple / Blue / Hot Pink. Made of soft, comfy and breathable materials, no itchy! Flexible and stretchy fabric for easy wearing and taking off.
  • Sizes for toddler and little girls, 3T, 4T, 5T, 6, 8, 10 and 12. Please measure the actual body size and refer to our size chart to choose a proper size for best fit. Gently hand wash with cold water.
  • Great for swimsuit, swimwear, bathing suit, beachwear, summer holiday swim wear, pool party swimming costume, vacation, swimming class and lessons, water activities or beach photo shooting outfits.
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#6 Top Pick
viiotu Girls and Boys One Piece Short Sleeve Swimsuit UV 50+ Kids Swimwear Bathing Suits Zipper for Tween Girl 3-13Y (AU, Age, 3 Years, 5 Years, Pink)

viiotu Girls and Boys One Piece Short Sleeve Swimsuit UV 50+ Kids Swimwear Bathing Suits Zipper for Tween Girl 3-13Y (AU, Age, 3 Years, 5 Years, Pink)

Brand: viiotu
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  • 【Premium Fabric for All-Day Comfort】Our Viiotu kids swimwear—including girls swimwear and boys swimwear—is made from high-quality material that feels exceptionally soft, light, and smooth. This girls swimwear and boys swimwear dries quickly and stays breathable, keeping your child comfy during every water activity. The added lining boosts both comfort and coverage, making this kids swimwear perfect for all-day wear at the beach or pool.
  • 【Kid-Safe Thoughtful Design】This one-piece kids swimwear features short sleeves and a front zipper with a protective flap—no more scratches while dressing or playing! The secure fit lets active kids move freely, and this practical design works equally well for girls swimwear and boys swimwear, keeping safety and comfort front and center.
  • 【UPF 50+ Sun Protection You Can Trust】Safety is key with our kids swimwear: this girls swimwear and boys swimwear has UPF 50+ to block harmful UV rays. It stops skin redness and burning, so your child can enjoy hot-weather swimming, beach outings, or pool time without worry. For reliable sun protection, this girls swimwear and boys swimwear is a must-have.
  • 【Versatile for Every Water Occasion】This kids swimwear adapts to all your child’s plans—swim classes at school, pool parties, beach vacations, or casual splashing. Whether it’s girls swimwear or boys swimwear, it fits seamlessly into every water scenario. This kids swimwear keeps up with your child’s energy, no matter where the fun takes them.
  • 【Stylish & Perfect as a Gift】With classic color-block patterns, our kids swimwear blends fashion and function. The timeless look pleases kids and parents alike, making it great for everyday use. This girls swimwear and boys swimwear also makes an excellent gift—packing practicality, safety, and style into one essential piece.
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#7 Top Pick
OXUBOAO Girls One Piece Swimsuit for Kids Swimwear Short Sleeve Bathing Suit High Neck Mermaid Swimming Costume (Pink, 12-14T)

OXUBOAO Girls One Piece Swimsuit for Kids Swimwear Short Sleeve Bathing Suit High Neck Mermaid Swimming Costume (Pink, 12-14T)

Brand: OXUBOAO
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  • MATERIAL: Girls swimsuit is made of 85% polyester and 15% elastane, soft, lightweight and smooth. The girls one piece bathing suits are very quick drying and breathable, making your child have lots fun swimming
  • DESIGN: Our kids swimsuits for girls feature a high neck, short sleeves boyleg one piece swimwear. The front zipper has a flap at the top to help prevent scratching while wearing. Girls swimwear has a lined gusset for comfort and coverage
  • MERMAID COSTUME: Your daughter would definitely loves the mermaid style print on this swimsuit. The shades of blue and pink, shiny and attractive, let your little one being a real sea princess when swimming
  • SUN SAFE: The swimwear for girls has a high UPF 50+ sun protection because of the materials used and the coverage it provides. Protects your kids from UV rays, avoiding skin redness and burning, so your daughter can enjoy swimming in the hot weather
  • OCCASION: This one piece mermaid swimsuits girls are good for outdoor activities, like swimming in a swimming pool or learning to swim in colder cottage waters. This girls rashguard swimsuit is also the best gift for your lovely girl
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#8 Top Pick
Dressy Daisy Toddler Girls Mermaid One Piece Swimwear Swimming Suit Swimsuit Swim Costume with Ruffle Size 5, Blue

Dressy Daisy Toddler Girls Mermaid One Piece Swimwear Swimming Suit Swimsuit Swim Costume with Ruffle Size 5, Blue

Brand: Dressy Daisy
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  • Adorable mermaid princess one piece swimsuit bathing suit for toddler and little girls. A simple but fun swimwear to get ready for the active sunny days!
  • Sleeveless swimming costume with rainbow fish scales print. V neck, adjustable criss-cross straps. Featuring a vibrant light blue / hot pink ruffle at neckline.
  • Made of polyester and spandex. Soft, comfortable and breathable materials, no itchy! Pull on style, flexible and stretchy fabric for easy wearing and taking off.
  • Sizes for toddler children and kids girls, 4, 5, 6, 8 and 10. Age is only an approximation of size. Please measure the actual body size and refer to the size chart to choose a proper size for best fit. There may be minor size difference depending on size measuring method.
  • Great for swimsuit, swimwear, bathing suit, beachwear, summer holiday swim wear, pool birthday party swimming suit, vacation, swimming class and lessons, water activities or beach photo shooting.
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#9 Top Pick
Speedo Girl's Endurance+ Medalist One Piece Swimsuit, Black, 9-10 Years

Speedo Girl's Endurance+ Medalist One Piece Swimsuit, Black, 9-10 Years

Brand: Speedo
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  • MEDALIST DESIGN: Aids shoulder movement and flexibility, making this suit ideal for training
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#10 Top Pick
Fiohiros Girls Swimming Costume, Girls Swimsuit One-Piece, Quick Dry Short Sleeve Swimming Suit for Girl Beach Bathing & Water Sports (AU, Age, 6 Years, 8 Years, Pink)

Fiohiros Girls Swimming Costume, Girls Swimsuit One-Piece, Quick Dry Short Sleeve Swimming Suit for Girl Beach Bathing & Water Sports (AU, Age, 6 Years, 8 Years, Pink)

Brand: Fiohiros
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  • Breathable fabric: Our girls swimsuit shorts one piece is made of 85% polyester and 15% spandex, offering softness, breathability, comfort, and skin-friendliness with excellent elasticity. The pink, blue, and white striped color makes the overall design stand out.
  • Smooth zipper design: The swimming costume kids has a zipper design, which is easy to put on and take off. The middle of the neckline adopts a semi-wrapped design to prevent the zipper head from scratching the chin.
  • 5 sizes to choose from: our girls' swimsuits come with a detailed size chart. We recommend selecting the perfect fit based on your child's actual height, body measurements, and weight. The 3XL and 4XL sizes feature removable chest pads for a more comfortable experience.
  • Suitable for various occasions: Our swimming suit for girls are suitable for a variety of water sports, including diving, swimming, surfing, kayaking, and beach games, making them perfect for accompanying children during every summer activity.
  • Washing instructions: It is recommended to hand wash at water temperature below 30℃, do not dry clean, do not iron, do not bleach, do not tumble dry.
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