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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.

BlueRemove filter3-6 moRemove filter
18 items
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    Baby Boden Swimsuit Cover Up (view 2)Baby Boden Swimsuit Cover Up (view 1)
    View Product: Baby Boden Swimsuit Cover Up

    Baby Boden

    Swimsuit Cover Up
    Size 3-6 mo
    $10.99
    59% 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 3-6 mo
    $22.99 $17.24 25% off with code HOTDEAL
    29% 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 3-6 mo
    $15.99 $11.99 25% off with code HOTDEAL
    31% 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 3-6 mo
    $22.99 $17.24 25% off with code HOTDEAL
    54% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    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 3-6 mo
    $6.99 $5.59 20% off with code HOTDEAL
    77% off estimated retail
    Primary Clothing Rash Guard (view 2)Primary Clothing Rash Guard (view 1)
    View Product: Primary Clothing Rash Guard

    Primary Clothing

    Rash Guard
    Size 3-6 mo
    $8.99 $7.19 20% off with code HOTDEAL
    70% off estimated retail
    Coolibar Wetsuit (view 2)Coolibar Wetsuit (view 1)
    View Product: Coolibar Wetsuit

    Coolibar

    Wetsuit
    Size 3-6 mo
    $28.99 $21.74 25% off with code HOTDEAL
    63% off estimated retail
    Joe Fresh One Piece Swimsuit (view 2)Joe Fresh One Piece Swimsuit (view 1)
    View Product: Joe Fresh One Piece Swimsuit

    Joe Fresh

    One Piece Swimsuit
    Size 3-6 mo
    $6.99 $5.59 20% off with code HOTDEAL
    62% off estimated retail
    Wonder Nation One Piece Swimsuit (view 2)Wonder Nation One Piece Swimsuit (view 1)
    View Product: Wonder Nation One Piece Swimsuit

    Wonder Nation

    One Piece Swimsuit
    Size 3-6 mo
    $8.99 $7.19 20% off with code HOTDEAL
    27% 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 3-6 mo
    $16.99 $12.74 25% off with code HOTDEAL
    66% off estimated retail
    Old Navy One Piece Swimsuit (view 2)Old Navy One Piece Swimsuit (view 1)Price Drop
    View Product: Old Navy One Piece Swimsuit

    Old Navy

    One Piece Swimsuit
    Size 3-6 mo
    $11.24 $6.74 40% off with code HOTDEAL
    50% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)Price Drop
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size 3-6 mo
    $8.99 $5.39 40% off with code HOTDEAL
    60% off estimated retail
    Cat & Jack One Piece Swimsuit (view 2)Cat & Jack One Piece Swimsuit (view 1)Price Drop
    View Product: Cat & Jack One Piece Swimsuit

    Cat & Jack

    One Piece Swimsuit
    Size 3-6 mo
    $8.99 $5.39 40% off with code HOTDEAL
    53% off estimated retail
    Gymboree One Piece Swimsuit (view 2)Gymboree One Piece Swimsuit (view 1)Price Drop
    View Product: Gymboree One Piece Swimsuit

    Gymboree

    One Piece Swimsuit
    Size 3-6 mo
    $11.99 $7.19 40% off with code HOTDEAL
    63% off estimated retail
    Janie and Jack Rash Guard (view 2)Janie and Jack Rash Guard (view 1)Price Drop
    View Product: Janie and Jack Rash Guard

    Janie and Jack

    Rash Guard
    Size 3-6 mo
    $12.24 $7.34 40% off with code HOTDEAL
    74% off estimated retail
    Janie and Jack Rash Guard (view 2)Janie and Jack Rash Guard (view 1)Price Drop
    View Product: Janie and Jack Rash Guard

    Janie and Jack

    Rash Guard
    Size 3-6 mo
    $13.24 $7.94 40% off with code HOTDEAL
    74% off estimated retail
    Gymboree One Piece Swimsuit (view 2)Gymboree One Piece Swimsuit (view 1)Price Drop
    View Product: Gymboree One Piece Swimsuit

    Gymboree

    One Piece Swimsuit
    Size 3-6 mo
    $11.24 $6.74 40% off with code HOTDEAL
    64% off estimated retail
    Old Navy One Piece Swimsuit (view 2)Old Navy One Piece Swimsuit (view 1)Price Drop
    View Product: Old Navy One Piece Swimsuit

    Old Navy

    One Piece Swimsuit
    Size 3-6 mo
    $13.24 $7.94 40% off with code HOTDEAL
    47% off estimated retail
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