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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.

GreenRemove filter5Remove filter12-18 moRemove filter
11 items
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    Janie and Jack Board Shorts (view 2)Janie and Jack Board Shorts (view 1)
    View Product: Janie and Jack Board Shorts

    Janie and Jack

    Board Shorts
    Size 12-18 mo
    $9.99
    44% off estimated retail
    O'Neill One Piece Swimsuit (view 2)O'Neill One Piece Swimsuit (view 1)
    View Product: O'Neill One Piece Swimsuit

    O'Neill

    One Piece Swimsuit
    Size 5
    $13.99
    48% off estimated retail
    Old Navy Two Piece Swimsuit (view 2)Old Navy Two Piece Swimsuit (view 1)
    View Product: Old Navy Two Piece Swimsuit

    Old Navy

    Two Piece Swimsuit
    Size 12-18 mo
    $8.99
    50% off estimated retail
    Rugged Butts Board Shorts (view 2)Rugged Butts Board Shorts (view 1)New With Tags
    View Product: Rugged Butts Board Shorts

    Rugged Butts

    Board Shorts
    Size 12-18 mo
    $5.99 $4.79 20% off with code SHINE
    45% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Patagonia Rash Guard (view 2)Patagonia Rash Guard (view 1)
    View Product: Patagonia Rash Guard

    Patagonia

    Rash Guard
    Size 5
    $14.99 $10.49 30% off with code SHINE
    55% 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 12-18 mo
    $10.99 $8.79 20% off with code SHINE
    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 12-18 mo
    $8.99 $7.19 20% off with code SHINE
    47% 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 12-18 mo
    $19.99 $14.99 25% off with code SHINE
    25% 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
    $12.99 $10.39 20% off with code SHINE
    61% off estimated retail
    Baby Gap One Piece Swimsuit (view 2)Baby Gap One Piece Swimsuit (view 1)Price Drop
    View Product: Baby Gap One Piece Swimsuit

    Baby Gap

    One Piece Swimsuit
    Size 12-18 mo
    $8.99 $7.19 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 12-18 mo
    $6.99 $5.59 20% off with code SHINE
    65% off estimated retail
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