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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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35 items
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    Mondor One Piece Swimsuit (view 2)Mondor One Piece Swimsuit (view 1)
    View Product: Mondor One Piece Swimsuit

    Mondor

    One Piece Swimsuit
    Size 6X
    $9.99
    37% 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
    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
    $9.99
    41% off estimated retail
    Lands' End Rash Guard (view 2)Lands' End Rash Guard (view 1)
    View Product: Lands' End Rash Guard

    Lands' End

    Rash Guard
    Size 6X
    $22.99
    61% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Lands' End Rash Guard (view 2)Lands' End Rash Guard (view 1)
    View Product: Lands' End Rash Guard

    Lands' End

    Rash Guard
    Size 6X
    $21.99
    63% 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
    ZeroXposur Two Piece Swimsuit (view 2)ZeroXposur Two Piece Swimsuit (view 1)
    View Product: ZeroXposur Two Piece Swimsuit

    ZeroXposur

    Two Piece Swimsuit
    Size 6X
    $17.99
    56% 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 6X
    $9.99
    37% off estimated retail
    Kasil One Piece Swimsuit (view 2)Kasil One Piece Swimsuit (view 1)
    View Product: Kasil One Piece Swimsuit

    Kasil

    One Piece Swimsuit
    Size 6X
    $19.99
    75% 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 6X
    $8.99
    43% 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
    Penelope Mack One Piece Swimsuit (view 2)Penelope Mack One Piece Swimsuit (view 1)New With Tags
    View Product: Penelope Mack One Piece Swimsuit

    Penelope Mack

    One Piece Swimsuit
    Size 6X
    $10.99 $8.79 20% off with code SHINE
    66% 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 6X
    $11.99 $9.59 20% off with code SHINE
    25% off estimated retail
    Baltogs One Piece Swimsuit (view 2)Baltogs One Piece Swimsuit (view 1)
    View Product: Baltogs One Piece Swimsuit

    Baltogs

    One Piece Swimsuit
    Size 6X
    $9.99 $7.99 20% off with code SHINE
    50% off estimated retail
    Mirella One Piece Swimsuit (view 2)Mirella One Piece Swimsuit (view 1)
    View Product: Mirella One Piece Swimsuit

    Mirella

    One Piece Swimsuit
    Size 6X
    $15.99 $12.79 20% off with code SHINE
    61% 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 6X
    $11.99 $9.59 20% off with code SHINE
    63% off estimated retail
    Hurley One Piece Swimsuit (view 2)Hurley One Piece Swimsuit (view 1)
    View Product: Hurley One Piece Swimsuit

    Hurley

    One Piece Swimsuit
    Size 6X
    $14.99 $10.49 30% off with code SHINE
    69% 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
    Sol Angeles One Piece Swimsuit (view 2)Sol Angeles One Piece Swimsuit (view 1)
    View Product: Sol Angeles One Piece Swimsuit

    Sol Angeles

    One Piece Swimsuit
    Size 6X
    $28.99 $20.29 30% off with code SHINE
    64% off estimated retail
    Limited Too One Piece Swimsuit (view 2)Limited Too One Piece Swimsuit (view 1)
    View Product: Limited Too One Piece Swimsuit

    Limited Too

    One Piece Swimsuit
    Size 6X
    $10.99 $8.79 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 6X
    $10.99 $8.79 20% off with code SHINE
    66% 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
    $10.99 $8.79 20% off with code SHINE
    35% off estimated retail
    Hula Star Two Piece Swimsuit (view 2)Hula Star Two Piece Swimsuit (view 1)
    View Product: Hula Star Two Piece Swimsuit

    Hula Star

    Two Piece Swimsuit
    Size 6X
    $13.99 $11.19 20% off with code SHINE
    44% 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
    Art Class Swimsuit Cover Up (view 2)Art Class Swimsuit Cover Up (view 1)
    View Product: Art Class Swimsuit Cover Up

    Art Class

    Swimsuit Cover Up
    Size 6X
    $9.99 $7.49 25% off with code SHINE
    50% off estimated retail
    SO Rash Guard (view 2)SO Rash Guard (view 1)Price Drop
    View Product: SO Rash Guard

    SO

    Rash Guard
    Size 6X
    $11.99 $9.59 20% off with code SHINE
    52% 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
    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
    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 6X
    $11.99 $9.59 20% off with code SHINE
    40% 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
    Zero Swimsuit Cover Up (view 2)Zero Swimsuit Cover Up (view 1)Price Drop
    View Product: Zero Swimsuit Cover Up

    Zero

    Swimsuit Cover Up
    Size 6X
    $13.99 $10.49 25% off with code SHINE
    57% off estimated retail
    Floatimini One Piece Swimsuit (view 2)Floatimini One Piece Swimsuit (view 1)Price Drop
    View Product: Floatimini One Piece Swimsuit

    Floatimini

    One Piece Swimsuit
    Size 6X
    $16.99 $12.74 25% off with code SHINE
    79% 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 6X
    $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
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