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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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    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 3
    $13.99
    48% off estimated retail
    Baby Gap One Piece Swimsuit (view 2)Baby Gap One Piece Swimsuit (view 1)Flawed Gem
    View Product: Baby Gap One Piece Swimsuit

    Baby Gap

    One Piece Swimsuit
    Size 3
    $12.99
    51% 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 3
    $10.99
    59% off estimated retail
    Polarn O. Pyret Swimsuit Cover Up (view 2)Polarn O. Pyret Swimsuit Cover Up (view 1)
    View Product: Polarn O. Pyret Swimsuit Cover Up

    Polarn O. Pyret

    Swimsuit Cover Up
    Size 3
    $11.99
    70% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Minnow One Piece Swimsuit (view 2)Minnow One Piece Swimsuit (view 1)
    View Product: Minnow One Piece Swimsuit

    Minnow

    One Piece Swimsuit
    Size 3
    $33.99
    58% 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 3
    $13.99
    46% off estimated retail
    Sunuva One Piece Swimsuit (view 2)Sunuva One Piece Swimsuit (view 1)
    View Product: Sunuva One Piece Swimsuit

    Sunuva

    One Piece Swimsuit
    Size 3
    $15.99 $11.99 25% off with code HOTDEAL
    72% off estimated retail
    Sunuva Rash Guard (view 2)Sunuva Rash Guard (view 1)
    View Product: Sunuva Rash Guard

    Sunuva

    Rash Guard
    Size 3
    $20.99 $15.74 25% off with code HOTDEAL
    63% off estimated retail
    Tucker + Tate One Piece Swimsuit (view 2)Tucker + Tate One Piece Swimsuit (view 1)
    View Product: Tucker + Tate One Piece Swimsuit

    Tucker + Tate

    One Piece Swimsuit
    Size 3
    $16.99 $12.74 25% off with code HOTDEAL
    58% off estimated retail
    Snapper Rock Rash Guard (view 2)Snapper Rock Rash Guard (view 1)
    View Product: Snapper Rock Rash Guard

    Snapper Rock

    Rash Guard
    Size 3
    $13.99 $11.19 20% off with code HOTDEAL
    40% off estimated retail
    Crewcuts One Piece Swimsuit (view 2)Crewcuts One Piece Swimsuit (view 1)
    View Product: Crewcuts One Piece Swimsuit

    Crewcuts

    One Piece Swimsuit
    Size 3
    $15.99 $11.99 25% off with code HOTDEAL
    68% off estimated retail
    Unbranded Swimsuit Cover Up (view 2)Unbranded Swimsuit Cover Up (view 1)New With Tags
    View Product: Unbranded Swimsuit Cover Up

    Unbranded

    Swimsuit Cover Up
    Size 3
    $13.99 $11.19 20% off with code HOTDEAL
    51% 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 3
    $12.99 $10.39 20% off with code HOTDEAL
    59% off estimated retail
    PixieLane Two Piece Swimsuit (view 2)PixieLane Two Piece Swimsuit (view 1)
    View Product: PixieLane Two Piece Swimsuit

    PixieLane

    Two Piece Swimsuit
    Size 3
    $15.99 $11.99 25% off with code HOTDEAL
    51% off estimated retail
    PixieLane Swimsuit Cover Up (view 2)PixieLane Swimsuit Cover Up (view 1)
    View Product: PixieLane Swimsuit Cover Up

    PixieLane

    Swimsuit Cover Up
    Size 3
    $12.99 $10.39 20% off with code HOTDEAL
    59% off estimated retail
    Tea One Piece Swimsuit (view 2)Tea One Piece Swimsuit (view 1)
    View Product: Tea One Piece Swimsuit

    Tea

    One Piece Swimsuit
    Size 3
    $28.99 $17.39 40% off with code HOTDEAL
    50% 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 3
    $25.99 $15.59 40% off with code HOTDEAL
    50% off estimated retail
    Tea One Piece Swimsuit (view 2)Tea One Piece Swimsuit (view 1)
    View Product: Tea One Piece Swimsuit

    Tea

    One Piece Swimsuit
    Size 3
    $21.99 $13.19 40% off with code HOTDEAL
    62% off estimated retail
    Kenzo Kids One Piece Swimsuit (view 2)Kenzo Kids One Piece Swimsuit (view 1)
    View Product: Kenzo Kids One Piece Swimsuit

    Kenzo Kids

    One Piece Swimsuit
    Size 3
    $44.99 $33.74 25% off with code HOTDEAL
    62% off estimated retail
    Assorted Brands Two Piece Swimsuit (view 2)Assorted Brands Two Piece Swimsuit (view 1)
    View Product: Assorted Brands Two Piece Swimsuit

    Assorted Brands

    Two Piece Swimsuit
    Size 3
    $11.99 $9.59 20% off with code HOTDEAL
    59% off estimated retail
    In Extenso Board Shorts (view 2)In Extenso Board Shorts (view 1)
    View Product: In Extenso Board Shorts

    In Extenso

    Board Shorts
    Size 3
    $8.99 $7.19 20% off with code HOTDEAL
    11% off estimated retail
    Harper Canyon Swimsuit Cover Up (view 2)Harper Canyon Swimsuit Cover Up (view 1)New With Tags
    View Product: Harper Canyon Swimsuit Cover Up

    Harper Canyon

    Swimsuit Cover Up
    Size 3
    $8.99 $5.39 40% off with code HOTDEAL
    47% off estimated retail
    Crewcuts Two Piece Swimsuit (view 2)Crewcuts Two Piece Swimsuit (view 1)Price Drop
    View Product: Crewcuts Two Piece Swimsuit

    Crewcuts

    Two Piece Swimsuit
    Size 3
    $17.99 $9.89 45% off with code HOTDEAL
    63% off estimated retail
    Crewcuts Outlet One Piece Swimsuit (view 2)Crewcuts Outlet One Piece Swimsuit (view 1)Price Drop
    View Product: Crewcuts Outlet One Piece Swimsuit

    Crewcuts Outlet

    One Piece Swimsuit
    Size 3
    $11.99 $7.19 40% off with code HOTDEAL
    50% off estimated retail
    Crewcuts One Piece Swimsuit (view 2)Crewcuts One Piece Swimsuit (view 1)Price Drop
    View Product: Crewcuts One Piece Swimsuit

    Crewcuts

    One Piece Swimsuit
    Size 3
    $17.99 $9.00 50% off with code HOTDEAL
    56% off estimated retail
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