Girls' One Piece Swim

the pink party sale

the pink party sale

up to 60% off

$20 off $100+ purchase

$20 off $100+ purchase

with code NEW20

seersucker swim sale

seersucker swim sale

starting at $24.99

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  1. New
    Coral Floral Peplum Smocked Bodice One Piece Coral Floral Peplum Smocked Bodice One Piece

    Coral Floral

    Peplum Smocked Bodice One Piece
    $XX.XX
  2. New
    Ocean Tides Butterfly One Piece Ocean Tides Butterfly One Piece

    Ocean Tides

    Butterfly One Piece
    $XX.XX
  3. New
    Magical Mermaid Girls Short Sleeve One Piece Rash Guard Magical Mermaid Girls Short Sleeve One Piece Rash Guard

    Magical Mermaid

    Girls Short Sleeve Rash Guard One Piece

    extended sizing

    $XX.XX
  4. New
    Periwinkle Blue Seersucker Tulle Skirted One Piece Rash Guard Periwinkle Blue Seersucker Tulle Skirted One Piece Rash Guard
    Periwinkle Blue Seersucker Tulle Skirted One Piece Rash Guard
    $XX.XX
  5. New
    Magical Mermaid Scoopback Ruffle One Piece Magical Mermaid Scoopback Ruffle One Piece

    Magical Mermaid

    Scoopback Ruffle One Piece
    $XX.XX
  6. New
    Coral Gingham Waterfall One Piece Coral Gingham Waterfall One Piece

    Coral Gingham

    Waterfall One Piece

    UPF 50+ sun protection

    $XX.XX
  7. New
    Periwinkle Blue Gingham Waterfall One Piece Periwinkle Blue Gingham Waterfall One Piece

    Periwinkle Blue Gingham

    Waterfall One Piece

    UPF 50+ sun protection

    $XX.XX
  8. New
    Bright Aqua Gingham Waterfall One Piece Bright Aqua Gingham Waterfall One Piece

    Bright Aqua Gingham

    Waterfall One Piece

    UPF 50+ sun protection

    $XX.XX
  9. New
    Bubblegum Pink Gingham Waterfall One Piece Bubblegum Pink Gingham Waterfall One Piece

    Bubblegum Gingham

    Waterfall One Piece

    UPF 50+ sun protection

    $XX.XX
  10. New
    Pink Whale Friends Peplum Smocked Bodice One Piece Pink Whale Friends Peplum Smocked Bodice One Piece

    Pink Whale Friends

    Peplum Smocked Bodice One Piece
    $XX.XX
  11. New
    Pink Seas the Day Butterfly One Piece Pink Seas the Day Butterfly One Piece

    Pink Seas the Day

    Butterfly Sleeve One Piece

    UPF 50+ sun protection

    $XX.XX
  12. New
    Neon Flamingo Dot Tie Shoulder One Piece Neon Flamingo Dot Tie Shoulder One Piece

    Neon Flamingo Dot

    Tie Shoulder One Piece
    $XX.XX
  13. New
    Neon Tiki Vibes Tie Shoulder One Piece Neon Tiki Vibes Tie Shoulder One Piece

    *Neon Tiki Vibes

    Tie Shoulder One Piece
    $XX.XX
  14. New
    Tropical Resort Tie Shoulder One Piece Tropical Resort Tie Shoulder One Piece

    *Tropical Resort

    Tie Shoulder One Piece
    $XX.XX
  15. New
    Bright Aqua Heart Polka Dot Tie Shoulder One Piece Bright Aqua Heart Polka Dot Tie Shoulder One Piece

    Bright Aqua Heart Polka Dot

    Tie Shoulder One Piece
    $XX.XX
  16. New
    Neon Violet Pineapples Long Sleeve One Piece Rash Guard Neon Violet Pineapples Long Sleeve One Piece Rash Guard

    *Neon Violet Pineapples

    Long Sleeve One Piece Rash Guard

    UPF 50+ sun protection

    $XX.XX Regular Price $XX.XX
  17. New
    Neon Island Time Ruffle V-Back One Piece Neon Island Time Ruffle V-Back One Piece

    *Neon Island Time

    Ruffle V-Back One Piece

    UPF 50+ sun protection

    $XX.XX
  18. New
    Neon Sunset Girls Short Sleeve One Piece Rash Guard Neon Sunset Girls Short Sleeve One Piece Rash Guard

    *Neon Sunset

    Girls Short Sleeve Rash Guard One Piece

    extended sizing

    $XX.XX
  19. New
    Neon Flamingo Stripe One Shoulder Ruffle One Piece Neon Flamingo Stripe One Shoulder Ruffle One Piece

    *Neon Flamingo Stripe

    One Shoulder Ruffle One Piece

    UPF 50+ sun protection

    $XX.XX
  20. New
    Vibrant Neon One Shoulder Ruffle One Piece Vibrant Neon One Shoulder Ruffle One Piece

    *Vibrant Neon

    One Shoulder Ruffle One Piece

    UPF 50+ sun protection

    $XX.XX
  21. New
    Island Princess Flower Skirted One Piece Island Princess Flower Skirted One Piece

    Island Princess

    Flower Skirted One Piece
    $XX.XX
  22. Red Vintage Polka Dot Halter One Piece Red Vintage Polka Dot Halter One Piece

    Red Vintage Polka Dot

    Halter One Piece

    UPF 50+ sun protection

    $XX.XX
  23. Shimmer Star-Spangled One Shoulder Ruffle One Piece Shimmer Star-Spangled One Shoulder Ruffle One Piece

    Shimmer Star-Spangled

    One Shoulder Ruffle One Piece

    UPF 50+ sun protection

    $XX.XX
  24. Flamingo Frenzy Ruffle V-Back One Piece Flamingo Frenzy Ruffle V-Back One Piece

    Flamingo Frenzy

    Ruffle V-Back One Piece

    UPF 50+ sun protection

    $XX.XX
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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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