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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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15 items
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    Planet Sea One Piece Swimsuit (view 2)Planet Sea One Piece Swimsuit (view 1)Price Drop
    View Product: Planet Sea One Piece Swimsuit

    Planet Sea

    One Piece Swimsuit
    Size 10
    $10.99 $8.79 20% off with code THANKU
    56% off estimated retail
    Maui Clothing Company Rash Guard (view 2)Maui Clothing Company Rash Guard (view 1)Price Drop
    View Product: Maui Clothing Company Rash Guard

    Maui Clothing Company

    Rash Guard
    Size 10
    $10.99 $8.79 20% off with code THANKU
    45% off estimated retail
    Zella Rash Guard (view 2)Zella Rash Guard (view 1)
    View Product: Zella Rash Guard

    Zella

    Rash Guard
    Size 10
    $10.99 $8.79 20% off with code THANKU
    56% 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 10
    $9.99 $7.49 25% off with code THANKU
    65% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Justice One Piece Swimsuit (view 2)Justice One Piece Swimsuit (view 1)Price Drop
    View Product: Justice One Piece Swimsuit

    Justice

    One Piece Swimsuit
    Size 10
    $21.99 $13.19 40% off with code THANKU
    37% off estimated retail
    Assorted Brands Rash Guard (view 2)Assorted Brands Rash Guard (view 1)Price Drop
    View Product: Assorted Brands Rash Guard

    Assorted Brands

    Rash Guard
    Size 10
    $9.99 $7.99 20% off with code THANKU
    69% off estimated retail
    Assorted Brands Rash Guard (view 2)Assorted Brands Rash Guard (view 1)Price Drop
    View Product: Assorted Brands Rash Guard

    Assorted Brands

    Rash Guard
    Size 10
    $9.99 $7.99 20% off with code THANKU
    69% 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 10
    $15.99
    61% 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 10
    $17.99 $10.79 40% off with code THANKU
    48% off estimated retail
    Hanna Andersson One Piece Swimsuit (view 2)Hanna Andersson One Piece Swimsuit (view 1)
    View Product: Hanna Andersson One Piece Swimsuit

    Hanna Andersson

    One Piece Swimsuit
    Size 10
    $42.99 $34.39 20% off with code THANKU
    43% off estimated retail
    Gap Kids One Piece Swimsuit (view 2)Gap Kids One Piece Swimsuit (view 1)
    View Product: Gap Kids One Piece Swimsuit

    Gap Kids

    One Piece Swimsuit
    Size 10
    $15.99 $11.19 30% off with code THANKU
    62% off estimated retail
    PilyQ Two Piece Swimsuit (view 2)PilyQ Two Piece Swimsuit (view 1)
    View Product: PilyQ Two Piece Swimsuit

    PilyQ

    Two Piece Swimsuit
    Size 10
    $29.99 $20.99 30% off with code THANKU
    69% off estimated retail
    Zella One Piece Swimsuit (view 2)Zella One Piece Swimsuit (view 1)New With Tags
    View Product: Zella One Piece Swimsuit

    Zella

    One Piece Swimsuit
    Size 10
    $26.99 $20.24 25% off with code THANKU
    44% 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 10
    $23.99 $14.39 40% off with code THANKU
    31% off estimated retail
    Floatimini One Piece Swimsuit (view 2)Floatimini One Piece Swimsuit (view 1)
    View Product: Floatimini One Piece Swimsuit

    Floatimini

    One Piece Swimsuit
    Size 10
    $30.99 $21.69 30% off with code THANKU
    62% off estimated retail
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