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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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    Stella Cove One Piece Swimsuit (view 2)Stella Cove One Piece Swimsuit (view 1)
    View Product: Stella Cove One Piece Swimsuit

    Stella Cove

    One Piece Swimsuit
    Size 2
    $11.99
    55% off estimated retail
    Zimmermann One Piece Swimsuit (view 2)Zimmermann One Piece Swimsuit (view 1)
    View Product: Zimmermann One Piece Swimsuit

    Zimmermann

    One Piece Swimsuit
    Size 2
    $65.99
    34% 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 2
    $14.99 $11.99 20% off with code THANKU
    44% off estimated retail
    PatPat One Piece Swimsuit (view 2)PatPat One Piece Swimsuit (view 1)
    View Product: PatPat One Piece Swimsuit

    PatPat

    One Piece Swimsuit
    Size 2
    $9.99 $7.99 20% off with code THANKU
    $11
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Body Glove Rash Guard (view 2)Body Glove Rash Guard (view 1)
    View Product: Body Glove Rash Guard

    Body Glove

    Rash Guard
    Size 2
    $8.99 $7.19 20% off with code THANKU
    66% off estimated retail
    Peixoto Two Piece Swimsuit (view 2)Peixoto Two Piece Swimsuit (view 1)
    View Product: Peixoto Two Piece Swimsuit

    Peixoto

    Two Piece Swimsuit
    Size 2
    $22.99 $18.39 20% off with code THANKU
    58% off estimated retail
    Peixoto Two Piece Swimsuit (view 2)Peixoto Two Piece Swimsuit (view 1)
    View Product: Peixoto Two Piece Swimsuit

    Peixoto

    Two Piece Swimsuit
    Size 2
    $20.99 $16.79 20% off with code THANKU
    61% off estimated retail
    Hunter Rash Guard (view 2)Hunter Rash Guard (view 1)
    View Product: Hunter Rash Guard

    Hunter

    Rash Guard
    Size 2
    $17.99 $14.39 20% off with code THANKU
    67% off estimated retail
    Zara One Piece Swimsuit (view 2)Zara One Piece Swimsuit (view 1)
    View Product: Zara One Piece Swimsuit

    Zara

    One Piece Swimsuit
    Size 2
    $12.99 $10.39 20% off with code THANKU
    40% off estimated retail
    Creamie One Piece Swimsuit (view 2)Creamie One Piece Swimsuit (view 1)
    View Product: Creamie One Piece Swimsuit

    Creamie

    One Piece Swimsuit
    Size 2
    $17.99 $13.49 25% off with code THANKU
    45% off estimated retail
    Little Peixoto Two Piece Swimsuit (view 2)Little Peixoto Two Piece Swimsuit (view 1)Price Drop
    View Product: Little Peixoto Two Piece Swimsuit

    Little Peixoto

    Two Piece Swimsuit
    Size 2
    $14.99 $11.24 25% off with code THANKU
    65% off estimated retail
    H&M One Piece Swimsuit (view 2)H&M One Piece Swimsuit (view 1)Price Drop
    View Product: H&M One Piece Swimsuit

    H&M

    One Piece Swimsuit
    Size 2
    $9.99 $7.99 20% off with code THANKU
    37% off estimated retail
    Beau Loves One Piece Swimsuit (view 2)Beau Loves One Piece Swimsuit (view 1)Price Drop
    View Product: Beau Loves One Piece Swimsuit

    Beau Loves

    One Piece Swimsuit
    Size 2
    $10.99 $8.79 20% off with code THANKU
    66% off estimated retail
    98 Coast Av. Two Piece Swimsuit (view 2)98 Coast Av. Two Piece Swimsuit (view 1)Price Drop
    View Product: 98 Coast Av. Two Piece Swimsuit

    98 Coast Av.

    Two Piece Swimsuit
    Size 2
    $10.99 $8.79 20% off with code THANKU
    83% 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 2
    $9.99 $7.99 20% off with code THANKU
    52% off estimated retail
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