Girls' One Piece Swim

20% off sitewide

with code SUNNY20 | excludes sale

back to school sale

150+ styles under $20

endless summer collection

keep the summer vibes alive with new swim

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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