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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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53 items
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    Speedo Rash Guard (view 2)Speedo Rash Guard (view 1)
    View Product: Speedo Rash Guard

    Speedo

    Rash Guard
    Size 5
    $11.99
    40% off estimated retail
    Carter's Rash Guard (view 2)Carter's Rash Guard (view 1)
    View Product: Carter's Rash Guard

    Carter's

    Rash Guard
    Size 7
    $10.99
    63% 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 7
    $11.99
    29% 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 7
    $9.99
    41% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Disney Two Piece Swimsuit (view 2)Disney Two Piece Swimsuit (view 1)
    View Product: Disney Two Piece Swimsuit

    Disney

    Two Piece Swimsuit
    Size 7
    $10.99
    31% off estimated retail
    Gymboree Rash Guard (view 2)Gymboree Rash Guard (view 1)
    View Product: Gymboree Rash Guard

    Gymboree

    Rash Guard
    Size 5
    $11.99
    47% off estimated retail
    Baby Gap One Piece Swimsuit (view 2)Baby Gap One Piece Swimsuit (view 1)
    View Product: Baby Gap One Piece Swimsuit

    Baby Gap

    One Piece Swimsuit
    Size 5
    $10.99
    59% off estimated retail
    KensieGirl One Piece Swimsuit (view 2)KensieGirl One Piece Swimsuit (view 1)
    View Product: KensieGirl One Piece Swimsuit

    KensieGirl

    One Piece Swimsuit
    Size 5
    $10.99
    67% off estimated retail
    Wonder Nation One Piece Swimsuit (view 2)Wonder Nation One Piece Swimsuit (view 1)
    View Product: Wonder Nation One Piece Swimsuit

    Wonder Nation

    One Piece Swimsuit
    Size 7
    $11.99
    25% off estimated retail
    Disney Rash Guard (view 2)Disney Rash Guard (view 1)
    View Product: Disney Rash Guard

    Disney

    Rash Guard
    Size 7
    $9.99
    37% off estimated retail
    Cotton on Kids One Piece Swimsuit (view 2)Cotton on Kids One Piece Swimsuit (view 1)
    View Product: Cotton on Kids One Piece Swimsuit

    Cotton on Kids

    One Piece Swimsuit
    Size 5
    $9.99
    50% off estimated retail
    Dreamwave Rash Guard (view 2)Dreamwave Rash Guard (view 1)
    View Product: Dreamwave Rash Guard

    Dreamwave

    Rash Guard
    Size 7
    $9.99
    37% off estimated retail
    More Than Magic One Piece Swimsuit (view 2)More Than Magic One Piece Swimsuit (view 1)
    View Product: More Than Magic One Piece Swimsuit

    More Than Magic

    One Piece Swimsuit
    Size 7
    $8.99
    43% off estimated retail
    Gymboree Rash Guard (view 2)Gymboree Rash Guard (view 1)
    View Product: Gymboree Rash Guard

    Gymboree

    Rash Guard
    Size 7
    $11.99
    47% off estimated retail
    OshKosh B'gosh Board Shorts (view 2)OshKosh B'gosh Board Shorts (view 1)New With Tags
    View Product: OshKosh B'gosh Board Shorts

    OshKosh B'gosh

    Board Shorts
    Size 5
    $7.99
    15% off estimated retail
    Cat & Jack Two Piece Swimsuit (view 2)Cat & Jack Two Piece Swimsuit (view 1)
    View Product: Cat & Jack Two Piece Swimsuit

    Cat & Jack

    Two Piece Swimsuit
    Size 7
    $8.99 $7.19 20% off with code SHINE
    47% 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 7
    $10.99 $8.24 25% off with code SHINE
    35% off estimated retail
    Lands' End Board Shorts (view 2)Lands' End Board Shorts (view 1)
    View Product: Lands' End Board Shorts

    Lands' End

    Board Shorts
    Size 5
    $8.99 $7.19 20% off with code SHINE
    50% 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 7
    $8.99 $7.19 20% off with code SHINE
    55% off estimated retail
    Op One Piece Swimsuit (view 2)Op One Piece Swimsuit (view 1)
    View Product: Op One Piece Swimsuit

    Op

    One Piece Swimsuit
    Size 7
    $10.99 $8.79 20% off with code SHINE
    31% off estimated retail
    Hobie One Piece Swimsuit (view 2)Hobie One Piece Swimsuit (view 1)
    View Product: Hobie One Piece Swimsuit

    Hobie

    One Piece Swimsuit
    Size 7
    $8.99 $7.19 20% off with code SHINE
    72% off estimated retail
    B.wear One Piece Swimsuit (view 2)B.wear One Piece Swimsuit (view 1)
    View Product: B.wear One Piece Swimsuit

    B.wear

    One Piece Swimsuit
    Size 5
    $7.99 $6.39 20% off with code SHINE
    42% 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 7
    $11.99 $8.39 30% off with code SHINE
    29% off estimated retail
    Kian D. Los Angeles Two Piece Swimsuit (view 2)Kian D. Los Angeles Two Piece Swimsuit (view 1)
    View Product: Kian D. Los Angeles Two Piece Swimsuit

    Kian D. Los Angeles

    Two Piece Swimsuit
    Size 7
    $4.99 $3.99 20% off with code SHINE
    84% 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 $8.99 25% off with code SHINE
    40% off estimated retail
    Baby Gap One Piece Swimsuit (view 2)Baby Gap One Piece Swimsuit (view 1)
    View Product: Baby Gap One Piece Swimsuit

    Baby Gap

    One Piece Swimsuit
    Size 5
    $11.99 $8.99 25% off with code SHINE
    55% off estimated retail
    BMG One Piece Swimsuit (view 2)BMG One Piece Swimsuit (view 1)
    View Product: BMG One Piece Swimsuit

    BMG

    One Piece Swimsuit
    Size 7
    $10.99 $8.24 25% off with code SHINE
    66% 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 Rash Guard (view 2)Assorted Brands Rash Guard (view 1)
    View Product: Assorted Brands Rash Guard

    Assorted Brands

    Rash Guard
    Size 7
    $11.99 $8.99 25% off with code SHINE
    63% off estimated retail
    Carter's Rash Guard (view 2)Carter's Rash Guard (view 1)
    View Product: Carter's Rash Guard

    Carter's

    Rash Guard
    Size 7
    $9.99 $7.99 20% off with code SHINE
    66% off estimated retail
    Unbranded One Piece Swimsuit (view 2)Unbranded One Piece Swimsuit (view 1)
    View Product: Unbranded One Piece Swimsuit

    Unbranded

    One Piece Swimsuit
    Size 7
    $11.99 $8.99 25% off with code SHINE
    63% off estimated retail
    No Boundaries Swimsuit Cover Up (view 2)No Boundaries Swimsuit Cover Up (view 1)
    View Product: No Boundaries Swimsuit Cover Up

    No Boundaries

    Swimsuit Cover Up
    Size 7
    $8.99 $6.74 25% off with code SHINE
    40% 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 7
    $9.99 $7.99 20% off with code SHINE
    50% 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
    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 7
    $10.99 $8.79 20% off with code SHINE
    45% off estimated retail
    Eddie Bauer Rash Guard (view 2)Eddie Bauer Rash Guard (view 1)
    View Product: Eddie Bauer Rash Guard

    Eddie Bauer

    Rash Guard
    Size 7
    $11.99 $9.59 20% off with code SHINE
    63% off estimated retail
    Cat & Jack Swimsuit Cover Up (view 2)Cat & Jack Swimsuit Cover Up (view 1)
    View Product: Cat & Jack Swimsuit Cover Up

    Cat & Jack

    Swimsuit Cover Up
    Size 5
    $11.99 $9.59 20% off with code SHINE
    29% off estimated retail
    SO Rash Guard (view 2)SO Rash Guard (view 1)
    View Product: SO Rash Guard

    SO

    Rash Guard
    Size 7
    $10.99 $8.79 20% off with code SHINE
    56% off estimated retail
    OshKosh B'gosh Swimsuit Cover Up (view 2)OshKosh B'gosh Swimsuit Cover Up (view 1)
    View Product: OshKosh B'gosh Swimsuit Cover Up

    OshKosh B'gosh

    Swimsuit Cover Up
    Size 7
    $11.99 $8.99 25% off with code SHINE
    33% off estimated retail
    Janie and Jack Board Shorts (view 2)Janie and Jack Board Shorts (view 1)Price Drop
    View Product: Janie and Jack Board Shorts

    Janie and Jack

    Board Shorts
    Size 5
    $11.99 $8.39 30% off with code SHINE
    47% off estimated retail
    Art Class Rash Guard (view 2)Art Class Rash Guard (view 1)Price Drop
    View Product: Art Class Rash Guard

    Art Class

    Rash Guard
    Size 7
    $10.99 $8.79 20% off with code SHINE
    45% off estimated retail
    Candie's Two Piece Swimsuit (view 2)Candie's Two Piece Swimsuit (view 1)Price Drop
    View Product: Candie's Two Piece Swimsuit

    Candie's

    Two Piece Swimsuit
    Size 7
    $11.99 $9.59 20% off with code SHINE
    63% off estimated retail
    More Than Magic Rash Guard (view 2)More Than Magic Rash Guard (view 1)Price Drop
    View Product: More Than Magic Rash Guard

    More Than Magic

    Rash Guard
    Size 7
    $10.99 $8.79 20% off with code SHINE
    31% off estimated retail
    Justice Rash Guard (view 2)Justice Rash Guard (view 1)Price Drop
    View Product: Justice Rash Guard

    Justice

    Rash Guard
    Size 7
    $11.99 $8.99 25% off with code SHINE
    63% off estimated retail
    Seafolly Rash Guard (view 2)Seafolly Rash Guard (view 1)Price Drop
    View Product: Seafolly Rash Guard

    Seafolly

    Rash Guard
    Size 7
    $11.99 $9.59 20% off with code SHINE
    75% off estimated retail
    ZeroXposur Swimsuit Cover Up (view 2)ZeroXposur Swimsuit Cover Up (view 1)Price Drop
    View Product: ZeroXposur Swimsuit Cover Up

    ZeroXposur

    Swimsuit Cover Up
    Size 5
    $10.99 $8.79 20% off with code SHINE
    67% off estimated retail
    Appaman Rash Guard (view 2)Appaman Rash Guard (view 1)Price Drop
    View Product: Appaman Rash Guard

    Appaman

    Rash Guard
    Size 5
    $8.99 $7.19 20% off with code SHINE
    73% off estimated retail
    Wonder Nation Rash Guard (view 2)Wonder Nation Rash Guard (view 1)Price Drop
    View Product: Wonder Nation Rash Guard

    Wonder Nation

    Rash Guard
    Size 7
    $9.99 $7.99 20% off with code SHINE
    37% off estimated retail
    More Than Magic Rash Guard (view 2)More Than Magic Rash Guard (view 1)Price Drop
    View Product: More Than Magic Rash Guard

    More Than Magic

    Rash Guard
    Size 7
    $7.99 $6.39 20% off with code SHINE
    50% off estimated retail
    ZeroXposur Swimsuit Cover Up (view 2)ZeroXposur Swimsuit Cover Up (view 1)Price Drop
    View Product: ZeroXposur Swimsuit Cover Up

    ZeroXposur

    Swimsuit Cover Up
    Size 5
    $8.99 $7.19 20% off with code SHINE
    73% off estimated retail
    Assorted Brands Swimsuit Cover Up (view 2)Assorted Brands Swimsuit Cover Up (view 1)Price Drop
    View Product: Assorted Brands Swimsuit Cover Up

    Assorted Brands

    Swimsuit Cover Up
    Size 7
    $8.99 $6.74 25% off with code SHINE
    72% off estimated retail
    Unbranded Swimsuit Cover Up (view 2)Unbranded Swimsuit Cover Up (view 1)Price Drop
    View Product: Unbranded Swimsuit Cover Up

    Unbranded

    Swimsuit Cover Up
    Size 5
    $6.99 $5.59 20% off with code SHINE
    74% 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 7
    $8.99 $7.19 20% off with code SHINE
    40% off estimated retail
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