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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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24 items
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    Carter's Rash Guard (view 2)Carter's Rash Guard (view 1)
    View Product: Carter's Rash Guard

    Carter's

    Rash Guard
    Size 5T
    $13.99 $7.69 45% off with code GOBIG
    53% off estimated retail
    Old Navy Rash Guard (view 2)Old Navy Rash Guard (view 1)
    View Product: Old Navy Rash Guard

    Old Navy

    Rash Guard
    Size 5T
    $11.99 $6.59 45% off with code GOBIG
    14% off estimated retail
    Cat & Jack Two Piece Swimsuit (view 2)Cat & Jack Two Piece Swimsuit (view 1)New With Tags
    View Product: Cat & Jack Two Piece Swimsuit

    Cat & Jack

    Two Piece Swimsuit
    Size 5T
    $10.99 $6.04 45% off with code GOBIG
    35% off estimated retail
    Disney One Piece Swimsuit (view 2)Disney One Piece Swimsuit (view 1)
    View Product: Disney One Piece Swimsuit

    Disney

    One Piece Swimsuit
    Size 5T
    $15.99 $8.79 45% off with code GOBIG
    38% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    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 5T
    $13.99 $7.69 45% off with code GOBIG
    48% 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 5T
    $12.99 $7.14 45% off with code GOBIG
    27% 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 5T
    $8.99 $4.94 45% off with code GOBIG
    25% 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 5T
    $7.99 $4.39 45% off with code GOBIG
    33% off estimated retail
    Old Navy Rash Guard (view 2)Old Navy Rash Guard (view 1)
    View Product: Old Navy Rash Guard

    Old Navy

    Rash Guard
    Size 5T
    $8.99 $4.94 45% off with code GOBIG
    35% 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 5T
    $10.99 $6.04 45% off with code GOBIG
    59% 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 5T
    $12.99 $7.14 45% off with code GOBIG
    23% 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 5T
    $11.99 $6.59 45% off with code GOBIG
    47% 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 5T
    $11.99 $6.59 45% off with code GOBIG
    44% 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 5T
    $20.99 $11.54 45% off with code GOBIG
    59% 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 5T
    $15.99 $8.79 45% off with code GOBIG
    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 5T
    $11.99 $6.59 45% off with code GOBIG
    47% off estimated retail
    Nickelodeon Rash Guard (view 2)Nickelodeon Rash Guard (view 1)
    View Product: Nickelodeon Rash Guard

    Nickelodeon

    Rash Guard
    Size 5T
    $13.99 $7.69 45% off with code GOBIG
    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 5T
    $12.99 $7.14 45% off with code GOBIG
    41% off estimated retail
    Shade Critters Rash Guard (view 2)Shade Critters Rash Guard (view 1)
    View Product: Shade Critters Rash Guard

    Shade Critters

    Rash Guard
    Size 5T
    $22.99 $12.64 45% off with code GOBIG
    65% 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 5T
    $11.99 $6.59 45% off with code GOBIG
    41% off estimated retail
    Shade Critters One Piece Swimsuit (view 2)Shade Critters One Piece Swimsuit (view 1)
    View Product: Shade Critters One Piece Swimsuit

    Shade Critters

    One Piece Swimsuit
    Size 5T
    $26.99 $14.84 45% off with code GOBIG
    60% off estimated retail
    Gymboree One Piece Swimsuit (view 2)Gymboree One Piece Swimsuit (view 1)
    View Product: Gymboree One Piece Swimsuit

    Gymboree

    One Piece Swimsuit
    Size 5T
    $23.99 $13.19 45% off with code GOBIG
    25% off estimated retail
    H&M Two Piece Swimsuit (view 2)H&M Two Piece Swimsuit (view 1)Price Drop
    View Product: H&M Two Piece Swimsuit

    H&M

    Two Piece Swimsuit
    Size 5T
    $12.99 $7.14 45% off with code GOBIG
    31% off estimated retail
    Gymboree Two Piece Swimsuit (view 2)Gymboree Two Piece Swimsuit (view 1)Price Drop
    View Product: Gymboree Two Piece Swimsuit

    Gymboree

    Two Piece Swimsuit
    Size 5T
    $13.24 $7.28 45% off with code GOBIG
    63% off estimated retail
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