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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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22 items
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    Unbranded One Piece Swimsuit (view 2)Unbranded One Piece Swimsuit (view 1)
    View Product: Unbranded One Piece Swimsuit

    Unbranded

    One Piece Swimsuit
    Size 110 cm
    $13.99
    48% off estimated retail
    Gap One Piece Swimsuit (view 2)Gap One Piece Swimsuit (view 1)
    View Product: Gap One Piece Swimsuit

    Gap

    One Piece Swimsuit
    Size 5T
    $14.99
    62% 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 5
    $10.99
    59% off estimated retail
    Mini Boden One Piece Swimsuit (view 2)Mini Boden One Piece Swimsuit (view 1)
    View Product: Mini Boden One Piece Swimsuit

    Mini Boden

    One Piece Swimsuit
    Size 5
    $19.99
    33% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Sunuva Rash Guard (view 2)Sunuva Rash Guard (view 1)
    View Product: Sunuva Rash Guard

    Sunuva

    Rash Guard
    Size 3
    $19.99
    63% off estimated retail
    More Than Magic One Piece Swimsuit (view 2)More Than Magic One Piece Swimsuit (view 1)
    View Product: More Than Magic One Piece Swimsuit

    More Than Magic

    One Piece Swimsuit
    Size 6X
    $10.99
    31% off estimated retail
    Art Class One Piece Swimsuit (view 2)Art Class One Piece Swimsuit (view 1)
    View Product: Art Class One Piece Swimsuit

    Art Class

    One Piece Swimsuit
    Size 8
    $19.99
    47% off estimated retail
    Unbranded Swimsuit Cover Up (view 2)Unbranded Swimsuit Cover Up (view 1)
    View Product: Unbranded Swimsuit Cover Up

    Unbranded

    Swimsuit Cover Up
    Size Medium kids
    $15.99
    40% off estimated retail
    Z by Zella Two Piece Swimsuit (view 2)Z by Zella Two Piece Swimsuit (view 1)
    View Product: Z by Zella Two Piece Swimsuit

    Z by Zella

    Two Piece Swimsuit
    Size 8
    $11.99
    70% off estimated retail
    Tea Rash Guard (view 2)Tea Rash Guard (view 1)
    View Product: Tea Rash Guard

    Tea

    Rash Guard
    Size 18-24 mo
    $13.99
    48% off estimated retail
    Disney Store Two Piece Swimsuit (view 2)Disney Store Two Piece Swimsuit (view 1)
    View Product: Disney Store Two Piece Swimsuit

    Disney Store

    Two Piece Swimsuit
    Size 5
    $8.99
    47% off estimated retail
    Lands' End One Piece Swimsuit (view 2)Lands' End One Piece Swimsuit (view 1)
    View Product: Lands' End One Piece Swimsuit

    Lands' End

    One Piece Swimsuit
    Size 14
    $22.99
    39% off estimated retail
    Tea Rash Guard (view 2)Tea Rash Guard (view 1)
    View Product: Tea Rash Guard

    Tea

    Rash Guard
    Size 10
    $18.99
    53% off estimated retail
    Speedo One Piece Swimsuit (view 2)Speedo One Piece Swimsuit (view 1)
    View Product: Speedo One Piece Swimsuit

    Speedo

    One Piece Swimsuit
    Size 10
    $13.99
    44% off estimated retail
    Minnow Rash Guard (view 2)Minnow Rash Guard (view 1)
    View Product: Minnow Rash Guard

    Minnow

    Rash Guard
    Size 24 mo
    $20.99
    67% off estimated retail
    Primary Clothing Wetsuit (view 2)Primary Clothing Wetsuit (view 1)
    View Product: Primary Clothing Wetsuit

    Primary Clothing

    Wetsuit
    Size 12-18 mo
    $15.99
    70% off estimated retail
    Athleta Rash Guard (view 2)Athleta Rash Guard (view 1)
    View Product: Athleta Rash Guard

    Athleta

    Rash Guard
    Size 14
    $22.99
    53% off estimated retail
    Lands' End Two Piece Swimsuit (view 2)Lands' End Two Piece Swimsuit (view 1)
    View Product: Lands' End Two Piece Swimsuit

    Lands' End

    Two Piece Swimsuit
    Size 8
    $19.99
    39% off estimated retail
    Cat & Jack Board Shorts (view 2)Cat & Jack Board Shorts (view 1)New With Tags
    View Product: Cat & Jack Board Shorts

    Cat & Jack

    Board Shorts
    Size 10
    $7.99
    38% off estimated retail
    Wetsuit Club by Candlesticks Rash Guard (view 2)Wetsuit Club by Candlesticks Rash Guard (view 1)
    View Product: Wetsuit Club by Candlesticks Rash Guard

    Wetsuit Club by Candlesticks

    Rash Guard
    Size 18 mo
    $8.99
    43% off estimated retail
    Seafolly Rash Guard (view 2)Seafolly Rash Guard (view 1)
    View Product: Seafolly Rash Guard

    Seafolly

    Rash Guard
    Size 12
    $14.99
    69% off estimated retail
    Sporto One Piece Swimsuit (view 2)Sporto One Piece Swimsuit (view 1)Flawed Gem
    View Product: Sporto One Piece Swimsuit

    Sporto

    One Piece Swimsuit
    Size 20
    $12.99
    48% off estimated retail
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