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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.

9-12 moRemove filter
6 items
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    Tea Rash Guard (view 2)Tea Rash Guard (view 1)
    View Product: Tea Rash Guard

    Tea

    Rash Guard
    Size 9-12 mo
    $14.99
    44% off estimated retail
    Mud Pie One Piece Swimsuit (view 2)Mud Pie One Piece Swimsuit (view 1)
    View Product: Mud Pie One Piece Swimsuit

    Mud Pie

    One Piece Swimsuit
    Size 9-12 mo
    $9.99 $7.99 20% off with code THANKU
    54% off estimated retail
    H&M One Piece Swimsuit (view 2)H&M One Piece Swimsuit (view 1)
    View Product: H&M One Piece Swimsuit

    H&M

    One Piece Swimsuit
    Size 9-12 mo
    $7.99 $6.39 20% off with code THANKU
    38% off estimated retail
    Mud Pie One Piece Swimsuit (view 2)Mud Pie One Piece Swimsuit (view 1)
    View Product: Mud Pie One Piece Swimsuit

    Mud Pie

    One Piece Swimsuit
    Size 9-12 mo
    $11.99 $9.59 20% off with code THANKU
    45% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Tea One Piece Swimsuit (view 2)Tea One Piece Swimsuit (view 1)Price Drop
    View Product: Tea One Piece Swimsuit

    Tea

    One Piece Swimsuit
    Size 9-12 mo
    $18.99 $14.24 25% off with code THANKU
    60% off estimated retail
    Disney One Piece Swimsuit (view 2)Disney One Piece Swimsuit (view 1)Price Drop
    View Product: Disney One Piece Swimsuit

    Disney

    One Piece Swimsuit
    Size 9-12 mo
    $9.99 $7.99 20% off with code THANKU
    52% off estimated retail
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