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Whether it's for summertime or swimming lessons, your girls need the right gear for when they dive into the water. Check out thredUP's selection of girls' swimwear to discover items from top brands at up to 90% off estimated retail.

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79 items
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    Roxy Rash Guard (view 2)Roxy Rash Guard (view 1)
    View Product: Roxy Rash Guard

    Roxy

    Rash Guard
    Size 6
    $16.99
    58% off estimated retail
    Art Class Two Piece Swimsuit (view 2)Art Class Two Piece Swimsuit (view 1)
    View Product: Art Class Two Piece Swimsuit

    Art Class

    Two Piece Swimsuit
    Size 6X
    $10.99
    45% off estimated retail
    Hurley Board Shorts (view 2)Hurley Board Shorts (view 1)
    View Product: Hurley Board Shorts

    Hurley

    Board Shorts
    Size 5
    $12.99
    51% off estimated retail
    Baby Boden Wetsuit (view 2)Baby Boden Wetsuit (view 1)
    View Product: Baby Boden Wetsuit

    Baby Boden

    Wetsuit
    Size 12-18 mo
    $26.99
    50% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Baby Gap Rash Guard (view 2)Baby Gap Rash Guard (view 1)
    View Product: Baby Gap Rash Guard

    Baby Gap

    Rash Guard
    Size 12-18 mo
    $12.99
    38% off estimated retail
    Cabana Life Two Piece Swimsuit (view 2)Cabana Life Two Piece Swimsuit (view 1)
    View Product: Cabana Life Two Piece Swimsuit

    Cabana Life

    Two Piece Swimsuit
    Size 6X
    $26.99
    58% off estimated retail
    Crazy Shirts Board Shorts (view 2)Crazy Shirts Board Shorts (view 1)New With Tags
    View Product: Crazy Shirts Board Shorts

    Crazy Shirts

    Board Shorts
    Size 5
    $18.99
    54% off estimated retail
    Unbranded Two Piece Swimsuit (view 2)Unbranded Two Piece Swimsuit (view 1)
    View Product: Unbranded Two Piece Swimsuit

    Unbranded

    Two Piece Swimsuit
    Size 5
    $10.99
    59% off estimated retail
    Ruffle Butts Rash Guard (view 2)Ruffle Butts Rash Guard (view 1)
    View Product: Ruffle Butts Rash Guard

    Ruffle Butts

    Rash Guard
    Size 6
    $9.99
    37% off estimated retail
    Lands' End Two Piece Swimsuit (view 2)Lands' End Two Piece Swimsuit (view 1)
    View Product: Lands' End Two Piece Swimsuit

    Lands' End

    Two Piece Swimsuit
    Size 6
    $19.99
    47% off estimated retail
    Justice One Piece Swimsuit (view 2)Justice One Piece Swimsuit (view 1)
    View Product: Justice One Piece Swimsuit

    Justice

    One Piece Swimsuit
    Size 6
    $15.99
    54% off estimated retail
    Cat & Jack One Piece Swimsuit (view 2)Cat & Jack One Piece Swimsuit (view 1)
    View Product: Cat & Jack One Piece Swimsuit

    Cat & Jack

    One Piece Swimsuit
    Size 6X
    $14.99
    11% off estimated retail
    Boardies Apparel Board Shorts (view 2)Boardies Apparel Board Shorts (view 1)
    View Product: Boardies Apparel Board Shorts

    Boardies Apparel

    Board Shorts
    Size 5
    $12.99
    63% off estimated retail
    Garnet Hill One Piece Swimsuit (view 2)Garnet Hill One Piece Swimsuit (view 1)
    View Product: Garnet Hill One Piece Swimsuit

    Garnet Hill

    One Piece Swimsuit
    Size 6
    $19.99
    39% off estimated retail
    Zara Baby One Piece Swimsuit (view 2)Zara Baby One Piece Swimsuit (view 1)
    View Product: Zara Baby One Piece Swimsuit

    Zara Baby

    One Piece Swimsuit
    Size 5
    $12.99 $9.74 25% off with code SHINE
    51% off estimated retail
    Andy & Evan Board Shorts (view 2)Andy & Evan Board Shorts (view 1)
    View Product: Andy & Evan Board Shorts

    Andy & Evan

    Board Shorts
    Size 6
    $18.99 $14.24 25% off with code SHINE
    65% off estimated retail
    Speedo One Piece Swimsuit (view 2)Speedo One Piece Swimsuit (view 1)
    View Product: Speedo One Piece Swimsuit

    Speedo

    One Piece Swimsuit
    Size 5
    $11.99 $9.59 20% off with code SHINE
    40% off estimated retail
    Speedo One Piece Swimsuit (view 2)Speedo One Piece Swimsuit (view 1)
    View Product: Speedo One Piece Swimsuit

    Speedo

    One Piece Swimsuit
    Size 6
    $12.99 $9.74 25% off with code SHINE
    48% off estimated retail
    Cat & Jack One Piece Swimsuit (view 2)Cat & Jack One Piece Swimsuit (view 1)
    View Product: Cat & Jack One Piece Swimsuit

    Cat & Jack

    One Piece Swimsuit
    Size 6X
    $12.99 $10.39 20% off with code SHINE
    23% off estimated retail
    Carter's One Piece Swimsuit (view 2)Carter's One Piece Swimsuit (view 1)
    View Product: Carter's One Piece Swimsuit

    Carter's

    One Piece Swimsuit
    Size 6X
    $13.99 $11.19 20% off with code SHINE
    64% off estimated retail
    Boden Rash Guard (view 2)Boden Rash Guard (view 1)
    View Product: Boden Rash Guard

    Boden

    Rash Guard
    Size 5
    $16.99 $12.74 25% off with code SHINE
    58% off estimated retail
    Janie and Jack Rash Guard (view 2)Janie and Jack Rash Guard (view 1)
    View Product: Janie and Jack Rash Guard

    Janie and Jack

    Rash Guard
    Size 12-18 mo
    $8.99 $7.19 20% off with code SHINE
    71% off estimated retail
    OshKosh B'gosh Rash Guard (view 2)OshKosh B'gosh Rash Guard (view 1)
    View Product: OshKosh B'gosh Rash Guard

    OshKosh B'gosh

    Rash Guard
    Size 6
    $8.99 $7.19 20% off with code SHINE
    62% off estimated retail
    Old Navy Two Piece Swimsuit (view 2)Old Navy Two Piece Swimsuit (view 1)
    View Product: Old Navy Two Piece Swimsuit

    Old Navy

    Two Piece Swimsuit
    Size 5
    $12.99 $10.39 20% off with code SHINE
    27% off estimated retail
    Penelope Mack One Piece Swimsuit (view 2)Penelope Mack One Piece Swimsuit (view 1)
    View Product: Penelope Mack One Piece Swimsuit

    Penelope Mack

    One Piece Swimsuit
    Size 5
    $10.99 $8.79 20% off with code SHINE
    59% off estimated retail
    Assorted Brands One Piece Swimsuit (view 2)Assorted Brands One Piece Swimsuit (view 1)
    View Product: Assorted Brands One Piece Swimsuit

    Assorted Brands

    One Piece Swimsuit
    Size 6
    $9.99 $7.99 20% off with code SHINE
    69% off estimated retail
    Big Chill Board Shorts (view 2)Big Chill Board Shorts (view 1)
    View Product: Big Chill Board Shorts

    Big Chill

    Board Shorts
    Size 6
    $8.99 $7.19 20% off with code SHINE
    18% off estimated retail
    Assorted Brands One Piece Swimsuit (view 2)Assorted Brands One Piece Swimsuit (view 1)
    View Product: Assorted Brands One Piece Swimsuit

    Assorted Brands

    One Piece Swimsuit
    Size 6
    $10.99 $8.24 25% off with code SHINE
    66% off estimated retail
    Tommy Bahama One Piece Swimsuit (view 2)Tommy Bahama One Piece Swimsuit (view 1)
    View Product: Tommy Bahama One Piece Swimsuit

    Tommy Bahama

    One Piece Swimsuit
    Size 6
    $32.99 $26.39 20% off with code SHINE
    19% off estimated retail
    Lands' End One Piece Swimsuit (view 2)Lands' End One Piece Swimsuit (view 1)
    View Product: Lands' End One Piece Swimsuit

    Lands' End

    One Piece Swimsuit
    Size 6
    $13.99 $11.19 20% off with code SHINE
    51% off estimated retail
    Assorted Brands Swimsuit Cover Up (view 2)Assorted Brands Swimsuit Cover Up (view 1)
    View Product: Assorted Brands Swimsuit Cover Up

    Assorted Brands

    Swimsuit Cover Up
    Size 6
    $13.99 $9.09 35% off with code SHINE
    57% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code SHINE
    57% off estimated retail
    Janie and Jack One Piece Swimsuit (view 2)Janie and Jack One Piece Swimsuit (view 1)
    View Product: Janie and Jack One Piece Swimsuit

    Janie and Jack

    One Piece Swimsuit
    Size 12-18 mo
    $14.99 $11.24 25% off with code SHINE
    64% off estimated retail
    Cat & Jack One Piece Swimsuit (view 2)Cat & Jack One Piece Swimsuit (view 1)
    View Product: Cat & Jack One Piece Swimsuit

    Cat & Jack

    One Piece Swimsuit
    Size 6
    $12.99 $10.39 20% off with code SHINE
    23% off estimated retail
    Ruffle Butts Rash Guard (view 2)Ruffle Butts Rash Guard (view 1)
    View Product: Ruffle Butts Rash Guard

    Ruffle Butts

    Rash Guard
    Size 5
    $8.99 $7.19 20% off with code SHINE
    35% off estimated retail
    UV Skinz Rash Guard (view 2)UV Skinz Rash Guard (view 1)
    View Product: UV Skinz Rash Guard

    UV Skinz

    Rash Guard
    Size 12-18 mo
    $12.99 $10.39 20% off with code SHINE
    51% off estimated retail
    Lands' End One Piece Swimsuit (view 2)Lands' End One Piece Swimsuit (view 1)
    View Product: Lands' End One Piece Swimsuit

    Lands' End

    One Piece Swimsuit
    Size 5
    $14.99 $10.49 30% off with code SHINE
    48% off estimated retail
    Skechers Board Shorts (view 2)Skechers Board Shorts (view 1)
    View Product: Skechers Board Shorts

    Skechers

    Board Shorts
    Size 6
    $9.99 $7.99 20% off with code SHINE
    63% off estimated retail
    Justice One Piece Swimsuit (view 2)Justice One Piece Swimsuit (view 1)
    View Product: Justice One Piece Swimsuit

    Justice

    One Piece Swimsuit
    Size 6
    $20.99 $15.74 25% off with code SHINE
    40% off estimated retail
    Roller Rabbit One Piece Swimsuit (view 2)Roller Rabbit One Piece Swimsuit (view 1)
    View Product: Roller Rabbit One Piece Swimsuit

    Roller Rabbit

    One Piece Swimsuit
    Size 12-18 mo
    $23.99 $17.99 25% off with code SHINE
    45% off estimated retail
    Ivivva Rash Guard (view 2)Ivivva Rash Guard (view 1)
    View Product: Ivivva Rash Guard

    Ivivva

    Rash Guard
    Size 6
    $9.99 $7.99 20% off with code SHINE
    79% off estimated retail
    Perfect Moment One Piece Swimsuit (view 2)Perfect Moment One Piece Swimsuit (view 1)
    View Product: Perfect Moment One Piece Swimsuit

    Perfect Moment

    One Piece Swimsuit
    Size 6
    $131.99 $92.39 30% off with code SHINE
    62% off estimated retail
    Old Navy One Piece Swimsuit (view 2)Old Navy One Piece Swimsuit (view 1)
    View Product: Old Navy One Piece Swimsuit

    Old Navy

    One Piece Swimsuit
    Size 12-18 mo
    $10.99 $8.79 20% off with code SHINE
    38% off estimated retail
    Vilebrequin One Piece Swimsuit (view 2)Vilebrequin One Piece Swimsuit (view 1)
    View Product: Vilebrequin One Piece Swimsuit

    Vilebrequin

    One Piece Swimsuit
    Size 6
    $29.99 $22.49 25% off with code SHINE
    79% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size 6X
    $8.99 $7.19 20% off with code SHINE
    55% off estimated retail
    Profile Varsity One Piece Swimsuit (view 2)Profile Varsity One Piece Swimsuit (view 1)New With Tags
    View Product: Profile Varsity One Piece Swimsuit

    Profile Varsity

    One Piece Swimsuit
    Size 6
    $11.99 $9.59 20% off with code SHINE
    25% off estimated retail
    Nike One Piece Swimsuit (view 2)Nike One Piece Swimsuit (view 1)
    View Product: Nike One Piece Swimsuit

    Nike

    One Piece Swimsuit
    Size 6
    $13.99 $10.49 25% off with code SHINE
    64% off estimated retail
    Assorted Brands One Piece Swimsuit (view 2)Assorted Brands One Piece Swimsuit (view 1)Price Drop
    View Product: Assorted Brands One Piece Swimsuit

    Assorted Brands

    One Piece Swimsuit
    Size 5
    $15.99 $12.79 20% off with code SHINE
    40% off estimated retail
    Disney for Baby Gap Board Shorts (view 2)Disney for Baby Gap Board Shorts (view 1)
    View Product: Disney for Baby Gap Board Shorts

    Disney for Baby Gap

    Board Shorts
    Size 12-18 mo
    $9.99 $7.99 20% off with code SHINE
    33% off estimated retail
    Zara One Piece Swimsuit (view 2)Zara One Piece Swimsuit (view 1)Price Drop
    View Product: Zara One Piece Swimsuit

    Zara

    One Piece Swimsuit
    Size 6
    $16.99 $12.74 25% off with code SHINE
    58% off estimated retail
    Motion Wear One Piece Swimsuit (view 2)Motion Wear One Piece Swimsuit (view 1)Price Drop
    View Product: Motion Wear One Piece Swimsuit

    Motion Wear

    One Piece Swimsuit
    Size 6X
    $17.99 $14.39 20% off with code SHINE
    56% off estimated retail
    Old Navy One Piece Swimsuit (view 2)Old Navy One Piece Swimsuit (view 1)Price Drop
    View Product: Old Navy One Piece Swimsuit

    Old Navy

    One Piece Swimsuit
    Size 12-18 mo
    $11.99 $9.59 20% off with code SHINE
    33% off estimated retail
    Roller Rabbit Rash Guard (view 2)Roller Rabbit Rash Guard (view 1)Price Drop
    View Product: Roller Rabbit Rash Guard

    Roller Rabbit

    Rash Guard
    Size 6X
    $21.99 $16.49 25% off with code SHINE
    66% off estimated retail
    Stella Cove One Piece Swimsuit (view 2)Stella Cove One Piece Swimsuit (view 1)Price Drop
    View Product: Stella Cove One Piece Swimsuit

    Stella Cove

    One Piece Swimsuit
    Size 12-18 mo
    $9.99 $7.99 20% off with code SHINE
    63% off estimated retail
    Hanna Andersson Rash Guard (view 2)Hanna Andersson Rash Guard (view 1)Price Drop
    View Product: Hanna Andersson Rash Guard

    Hanna Andersson

    Rash Guard
    Size 5
    $13.99 $9.79 30% off with code SHINE
    65% off estimated retail
    Art Class One Piece Swimsuit (view 2)Art Class One Piece Swimsuit (view 1)Price Drop
    View Product: Art Class One Piece Swimsuit

    Art Class

    One Piece Swimsuit
    Size 6
    $10.99 $8.79 20% off with code SHINE
    45% off estimated retail
    Unbranded Rash Guard (view 2)Unbranded Rash Guard (view 1)Price Drop
    View Product: Unbranded Rash Guard

    Unbranded

    Rash Guard
    Size 12-18 mo
    $8.99 $7.19 20% off with code SHINE
    59% off estimated retail
    Old Navy Two Piece Swimsuit (view 2)Old Navy Two Piece Swimsuit (view 1)Price Drop
    View Product: Old Navy Two Piece Swimsuit

    Old Navy

    Two Piece Swimsuit
    Size 12-18 mo
    $9.99 $7.99 20% off with code SHINE
    44% off estimated retail
    Peek Rash Guard (view 2)Peek Rash Guard (view 1)Price Drop
    View Product: Peek Rash Guard

    Peek

    Rash Guard
    Size 12-18 mo
    $8.99 $7.19 20% off with code SHINE
    66% off estimated retail
    UV Skinz Rash Guard (view 2)UV Skinz Rash Guard (view 1)Price Drop
    View Product: UV Skinz Rash Guard

    UV Skinz

    Rash Guard
    Size 12-18 mo
    $9.99 $7.99 20% off with code SHINE
    63% off estimated retail
    Max Grey One Piece Swimsuit (view 2)Max Grey One Piece Swimsuit (view 1)Price Drop
    View Product: Max Grey One Piece Swimsuit

    Max Grey

    One Piece Swimsuit
    Size 12-18 mo
    $8.99 $7.19 20% off with code SHINE
    18% off estimated retail
    Baby Gap Outlet One Piece Swimsuit (view 2)Baby Gap Outlet One Piece Swimsuit (view 1)Price Drop
    View Product: Baby Gap Outlet One Piece Swimsuit

    Baby Gap Outlet

    One Piece Swimsuit
    Size 12-18 mo
    $9.99 $7.99 20% off with code SHINE
    $11
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)Price Drop
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size 6X
    $9.99 $7.99 20% off with code SHINE
    50% off estimated retail
    Coolibar Rash Guard (view 2)Coolibar Rash Guard (view 1)Price Drop
    View Product: Coolibar Rash Guard

    Coolibar

    Rash Guard
    Size 12-18 mo
    $9.99 $7.99 20% off with code SHINE
    69% off estimated retail
    Gap Kids Rash Guard (view 2)Gap Kids Rash Guard (view 1)Price Drop
    View Product: Gap Kids Rash Guard

    Gap Kids

    Rash Guard
    Size 6
    $9.99 $7.99 20% off with code SHINE
    68% off estimated retail
    Lands' End One Piece Swimsuit (view 2)Lands' End One Piece Swimsuit (view 1)Price Drop
    View Product: Lands' End One Piece Swimsuit

    Lands' End

    One Piece Swimsuit
    Size 12-18 mo
    $9.99 $7.99 20% off with code SHINE
    65% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)Price Drop
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size 6
    $7.99 $6.39 20% off with code SHINE
    60% off estimated retail
    Janie and Jack Rash Guard (view 2)Janie and Jack Rash Guard (view 1)Price Drop
    View Product: Janie and Jack Rash Guard

    Janie and Jack

    Rash Guard
    Size 12-18 mo
    $9.99 $7.99 20% off with code SHINE
    67% off estimated retail
    Assorted Brands One Piece Swimsuit (view 2)Assorted Brands One Piece Swimsuit (view 1)Price Drop
    View Product: Assorted Brands One Piece Swimsuit

    Assorted Brands

    One Piece Swimsuit
    Size 12-18 mo
    $8.99 $7.19 20% off with code SHINE
    59% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)Price Drop
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size 6
    $8.99 $7.19 20% off with code SHINE
    55% off estimated retail
    Koala Kids One Piece Swimsuit (view 2)Koala Kids One Piece Swimsuit (view 1)Price Drop
    View Product: Koala Kids One Piece Swimsuit

    Koala Kids

    One Piece Swimsuit
    Size 12-18 mo
    $8.99 $7.19 20% off with code SHINE
    10% off estimated retail
    Assorted Brands One Piece Swimsuit (view 2)Assorted Brands One Piece Swimsuit (view 1)Price Drop
    View Product: Assorted Brands One Piece Swimsuit

    Assorted Brands

    One Piece Swimsuit
    Size 12-18 mo
    $7.99 $6.39 20% off with code SHINE
    60% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)Price Drop
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size 6
    $9.99 $7.99 20% off with code SHINE
    50% off estimated retail
    Carter's Rash Guard (view 2)Carter's Rash Guard (view 1)Price Drop
    View Product: Carter's Rash Guard

    Carter's

    Rash Guard
    Size 6X
    $9.99 $7.99 20% off with code SHINE
    66% off estimated retail
    Assorted Brands One Piece Swimsuit (view 2)Assorted Brands One Piece Swimsuit (view 1)Price Drop
    View Product: Assorted Brands One Piece Swimsuit

    Assorted Brands

    One Piece Swimsuit
    Size 12-18 mo
    $7.99 $6.39 20% off with code SHINE
    63% off estimated retail
    Old Navy One Piece Swimsuit (view 2)Old Navy One Piece Swimsuit (view 1)Price Drop
    View Product: Old Navy One Piece Swimsuit

    Old Navy

    One Piece Swimsuit
    Size 12-18 mo
    $8.99 $7.19 20% off with code SHINE
    50% off estimated retail
    H&M One Piece Swimsuit (view 2)H&M One Piece Swimsuit (view 1)Price Drop
    View Product: H&M One Piece Swimsuit

    H&M

    One Piece Swimsuit
    Size 12-18 mo
    $8.99 $7.19 20% off with code SHINE
    40% off estimated retail
    UV Skinz Rash Guard (view 2)UV Skinz Rash Guard (view 1)Price Drop
    View Product: UV Skinz Rash Guard

    UV Skinz

    Rash Guard
    Size 12-18 mo
    $8.99 $7.19 20% off with code SHINE
    65% off estimated retail
    Unbranded One Piece Swimsuit (view 2)Unbranded One Piece Swimsuit (view 1)Price Drop
    View Product: Unbranded One Piece Swimsuit

    Unbranded

    One Piece Swimsuit
    Size 12-18 mo
    $7.99 $6.39 20% off with code SHINE
    60% off estimated retail
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