Girls' One Piece Swim

neon swim sale

neon swim sale

50+ styles up to 50% off

swim accessories

swim accessories

starting at $9.99

spring stock up sale

spring stock up sale

up to 50% off

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  1. New
    Cowgirl Cutie Cross-Back One Piece Cowgirl Cutie Cross-Back One Piece

    Cowgirl Cutie

    Cross-Back One Piece

    UPF 50+ sun protection

    $30.00
  2. New
    Cowgirl Cutie Long Sleeve One Piece Rash Guard Cowgirl Cutie Long Sleeve One Piece Rash Guard

    Cowgirl Cutie

    Long Sleeve One Piece Rash Guard

    UPF 50+ sun protection

    $42.00
  3. New
    Star Smile Cross-Back One Piece Star Smile Cross-Back One Piece

    Star Smile

    Cross-Back One Piece

    UPF 50+ sun protection

    $30.00
  4. New
    Star Smile Long Sleeve One Piece Rash Guard Star Smile Long Sleeve One Piece Rash Guard

    Star Smile

    Long Sleeve One Piece Rash Guard

    UPF 50+ sun protection

    $42.00
  5. New
    Bubblegum Pink Butterfly Garden Toile Long Sleeve One Piece Rash Guard Bubblegum Pink Butterfly Garden Toile Long Sleeve One Piece Rash Guard

    Bubblegum Pink Butterfly Garden Toile

    Long Sleeve One Piece Rash Guard Swimsuit

    UPF 50+ sun protection

    $42.00
  6. New
    Wisteria Purple Butterfly Garden Toile Long Sleeve One Piece Rash Guard Wisteria Purple Butterfly Garden Toile Long Sleeve One Piece Rash Guard

    Wisteria Purple Butterfly Garden Toile

    Long Sleeve One Piece Rash Guard Swimsuit

    UPF 50+ sun protection

    $42.00
  7. New
    Wisteria Purple Butterfly Garden Toile Butterfly One Piece Wisteria Purple Butterfly Garden Toile Butterfly One Piece

    Wisteria Purple Butterfly Garden Toile

    Butterfly Sleeve One Piece Swimsuit

    UPF 50+ sun protection

    $36.00
  8. New
    Bubblegum Pink Butterfly Garden Toile Butterfly One Piece Bubblegum Pink Butterfly Garden Toile Butterfly One Piece

    Bubblegum Pink Butterfly Garden Toile

    Butterfly Sleeve One Piece Swimsuit

    UPF 50+ sun protection

    $36.00
  9. New
    Periwinkle Blue Butterfly Garden Toile Butterfly One Piece Periwinkle Blue Butterfly Garden Toile Butterfly One Piece

    Periwinkle Blue Butterfly Garden Toile

    Butterfly Sleeve One Piece Swimsuit

    UPF 50+ sun protection

    $36.00
  10. Neon Purple Citrus Long Sleeve One Piece Rash Guard Neon Purple Citrus Long Sleeve One Piece Rash Guard

    Neon Purple Citrus

    Long Sleeve One Piece Rash Guard

    UPF 50+ sun protection

    $42.00
  11. New
    Neon Black Citrus Long Sleeve One Piece Rash Guard Neon Black Citrus Long Sleeve One Piece Rash Guard

    Neon Black Citrus

    Long Sleeve One Piece Rash Guard Swimsuit

    UPF 50+ sun protection

    $42.00
  12. New
    Neon Purple Citrus Ruffle V-Back One Piece Neon Purple Citrus Ruffle V-Back One Piece

    Neon Purple Citrus

    Ruffle V-Back One Piece Swimsuit

    UPF 50+ sun protection

    $36.00
  13. New
    Neon Pool Party Ruffle V-Back One Piece Neon Pool Party Ruffle V-Back One Piece

    Neon Pool Party

    Ruffle V-Back One Piece Swimsuit

    UPF 50+ sun protection

    $36.00
  14. New
    Neon Pool Party Long Sleeve One Piece Rash Guard Neon Pool Party Long Sleeve One Piece Rash Guard

    Neon Pool Party

    Long Sleeve One Piece Rash Guard Swimsuit

    UPF 50+ sun protection

    $42.00
  15. New
    Neon Star Party Long Sleeve One Piece Rash Guard Neon Star Party Long Sleeve One Piece Rash Guard

    Neon Star Party

    Long Sleeve One Piece Rash Guard Swimsuit

    UPF 50+ sun protection

    $42.00
  16. New
    Neon Star Party Tie Shoulder One Piece Neon Star Party Tie Shoulder One Piece

    Neon Star Party

    Tie Shoulder One Piece Swimsuit

    UPF 50+ sun protection

    $30.00
  17. New
    Royal Pink Princess Dress-Up One Piece Swimsuit Royal Pink Princess Dress-Up One Piece Swimsuit

    Royal Pink Princess

    Dress-Up One Piece Swimsuit

    UPF 50+ sun protection

    $38.00
  18. New
    Crystal Blue Princess Dress-Up One Piece Swimsuit Crystal Blue Princess Dress-Up One Piece Swimsuit

    Crystal Blue Princess

    Dress-Up One Piece Swimsuit

    UPF 50+ sun protection

    $38.00
  19. New
    Amethyst Princess Dress-Up One Piece Swimsuit Amethyst Princess Dress-Up One Piece Swimsuit

    Amethyst Princess

    Dress-Up One Piece Swimsuit

    UPF 50+ sun protection

    $38.00
  20. New
    Royal Blue and Yellow Princess Big Bow Skirted One Piece Swimsuit Royal Blue and Yellow Princess Big Bow Skirted One Piece Swimsuit

    Royal Blue and Yellow Princess

    Big Bow Skirted One Piece Swimsuit

    UPF 50+ sun protection

    $42.00
  21. New
    Teal Golden Princess Big Bow Skirted One Piece Swimsuit Teal Golden Princess Big Bow Skirted One Piece Swimsuit

    Teal Golden Princess

    Big Bow Skirted One Piece Swimsuit

    UPF 50+ sun protection

    $42.00
  22. New
    Royal Blue and Yellow Princess Long Sleeve Bow Skirted One Piece Swimsuit Royal Blue and Yellow Princess Long Sleeve Bow Skirted One Piece Swimsuit

    Royal Blue and Yellow Princess

    Long Sleeve Bow Skirted One Piece Swimsuit

    UPF 50+ sun protection

    $42.00
  23. New
    Teal Golden Princess Long Sleeve Bow Skirted One Piece Swimsuit Teal Golden Princess Long Sleeve Bow Skirted One Piece Swimsuit

    Teal Golden Princess

    Long Sleeve Bow Skirted One Piece Swimsuit

    UPF 50+ sun protection

    $42.00
  24. New
    Royal Pink Princess Long Sleeve Bow Skirted One Piece Swimsuit Royal Pink Princess Long Sleeve Bow Skirted One Piece Swimsuit

    Royal Pink Princess

    Long Sleeve Bow Skirted One Piece Swimsuit

    UPF 50+ sun protection

    $42.00
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Outstanding One-Piece Swimsuits for Girls

Your girl is ready to splash, laugh, explore, and play—set her up with sweet and sassy RuffleButts swimwear and keep her happy all summer long. From long-sleeve zippered one-piece rash guards to a skirted girl one piece swimsuit with beautiful bow details, explore our huge selection of girl’s one piece swimsuits.


Take your pick of colorful stripes, polka dots, paisleys, and florals—we even offer one piece swimsuit designs featuring flamingos and mermaid scales for next-level fun. We carry a wide variety of patterns, prints, and solid color bathing suit options, so you’ll have no problem finding one that fits her personality perfectly.


We’ve designed all of our RuffleButts swimming apparel with comfort and practicality in mind. With UPF 50+ sun-protective fabric and helpful details like snaps and zippers, our products are built to offer the very best quality to you and your little girl. One piece swimsuits that are age-appropriate, cozy to wear, super durable, and absolutely adorable don’t have to be a pipe dream. Dive into our collection and find the perfect girl’s swimwear for the pool or beach.

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