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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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35 items
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    Speedo One Piece Swimsuit (view 2)Speedo One Piece Swimsuit (view 1)Price Drop
    View Product: Speedo One Piece Swimsuit

    Speedo

    One Piece Swimsuit
    Size X-Small youth
    $15.99 $11.99 25% off with code SHINE
    36% off estimated retail
    Assorted Brands One Piece Swimsuit (view 2)Assorted Brands One Piece Swimsuit (view 1)Price Drop
    View Product: Assorted Brands One Piece Swimsuit

    Assorted Brands

    One Piece Swimsuit
    Size 10
    $15.99 $11.99 25% off with code SHINE
    51% 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 18-24 mo
    $13.99 $11.19 20% off with code SHINE
    48% off estimated retail
    Justice Rash Guard (view 2)Justice Rash Guard (view 1)Price Drop
    View Product: Justice Rash Guard

    Justice

    Rash Guard
    Size X-Small youth
    $14.99 $11.24 25% off with code SHINE
    54% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Gossip Girl One Piece Swimsuit (view 2)Gossip Girl One Piece Swimsuit (view 1)Price Drop
    View Product: Gossip Girl One Piece Swimsuit

    Gossip Girl

    One Piece Swimsuit
    Size 8
    $18.99 $14.24 25% off with code SHINE
    42% off estimated retail
    Lands' End Rash Guard (view 2)Lands' End Rash Guard (view 1)Price Drop
    View Product: Lands' End Rash Guard

    Lands' End

    Rash Guard
    Size 6
    $14.99 $11.24 25% off with code SHINE
    40% off estimated retail
    Noppies One Piece Swimsuit (view 2)Noppies One Piece Swimsuit (view 1)Price Drop
    View Product: Noppies One Piece Swimsuit

    Noppies

    One Piece Swimsuit
    Size X-Small kids
    $12.99 $10.39 20% off with code SHINE
    51% 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 6-12 mo
    $10.99 $8.79 20% off with code SHINE
    38% off estimated retail
    Art Class Rash Guard (view 2)Art Class Rash Guard (view 1)Price Drop
    View Product: Art Class Rash Guard

    Art Class

    Rash Guard
    Size 7
    $12.99 $10.39 20% off with code SHINE
    35% off estimated retail
    Planet Sea One Piece Swimsuit (view 2)Planet Sea One Piece Swimsuit (view 1)Price Drop
    View Product: Planet Sea One Piece Swimsuit

    Planet Sea

    One Piece Swimsuit
    Size 14
    $13.99 $11.19 20% off with code SHINE
    44% off estimated retail
    Art Class Rash Guard (view 2)Art Class Rash Guard (view 1)Price Drop
    View Product: Art Class Rash Guard

    Art Class

    Rash Guard
    Size 6X
    $11.99 $9.59 20% off with code SHINE
    40% off estimated retail
    Justice Swimsuit Cover Up (view 2)Justice Swimsuit Cover Up (view 1)Price Drop
    View Product: Justice Swimsuit Cover Up

    Justice

    Swimsuit Cover Up
    Size X-Large youth
    $15.99 $11.99 25% off with code SHINE
    51% off estimated retail
    Art Class Rash Guard (view 2)Art Class Rash Guard (view 1)Price Drop
    View Product: Art Class Rash Guard

    Art Class

    Rash Guard
    Size 6
    $11.99 $9.59 20% off with code SHINE
    40% off estimated retail
    Assorted Brands Swimsuit Cover Up (view 2)Assorted Brands Swimsuit Cover Up (view 1)Price Drop
    View Product: Assorted Brands Swimsuit Cover Up

    Assorted Brands

    Swimsuit Cover Up
    Size 8
    $20.99 $10.50 50% off with code SHINE
    84% off estimated retail
    Candie's Two Piece Swimsuit (view 2)Candie's Two Piece Swimsuit (view 1)Price Drop
    View Product: Candie's Two Piece Swimsuit

    Candie's

    Two Piece Swimsuit
    Size 7
    $11.99 $9.59 20% off with code SHINE
    63% off estimated retail
    Maui Clothing Company Rash Guard (view 2)Maui Clothing Company Rash Guard (view 1)Price Drop
    View Product: Maui Clothing Company Rash Guard

    Maui Clothing Company

    Rash Guard
    Size 10
    $10.99 $8.79 20% off with code SHINE
    45% off estimated retail
    Shein One Piece Swimsuit (view 2)Shein One Piece Swimsuit (view 1)Price Drop
    View Product: Shein One Piece Swimsuit

    Shein

    One Piece Swimsuit
    Size Small infants
    $7.99 $6.39 20% off with code SHINE
    27% off estimated retail
    Stella Cove One Piece Swimsuit (view 2)Stella Cove One Piece Swimsuit (view 1)Price Drop
    View Product: Stella Cove One Piece Swimsuit

    Stella Cove

    One Piece Swimsuit
    Size 12-18 mo
    $9.99 $7.99 20% off with code SHINE
    63% off estimated retail
    Dolfin One Piece Swimsuit (view 2)Dolfin One Piece Swimsuit (view 1)Price Drop
    View Product: Dolfin One Piece Swimsuit

    Dolfin

    One Piece Swimsuit
    Size 3T
    $9.99 $7.99 20% off with code SHINE
    50% off estimated retail
    Miles Board Shorts (view 2)Miles Board Shorts (view 1)Price Drop
    View Product: Miles Board Shorts

    Miles

    Board Shorts
    Size 18 mo
    $10.99 $8.79 20% off with code SHINE
    38% off estimated retail
    Planet Sea One Piece Swimsuit (view 2)Planet Sea One Piece Swimsuit (view 1)Price Drop
    View Product: Planet Sea One Piece Swimsuit

    Planet Sea

    One Piece Swimsuit
    Size 10
    $10.99 $8.79 20% off with code SHINE
    56% off estimated retail
    ZeroXposur Rash Guard (view 2)ZeroXposur Rash Guard (view 1)Price Drop
    View Product: ZeroXposur Rash Guard

    ZeroXposur

    Rash Guard
    Size 4
    $8.99 $7.19 20% off with code SHINE
    73% off estimated retail
    OshKosh B'gosh One Piece Swimsuit (view 2)OshKosh B'gosh One Piece Swimsuit (view 1)Price Drop
    View Product: OshKosh B'gosh One Piece Swimsuit

    OshKosh B'gosh

    One Piece Swimsuit
    Size 18 mo
    $10.99 $8.79 20% off with code SHINE
    54% off estimated retail
    Circo One Piece Swimsuit (view 2)Circo One Piece Swimsuit (view 1)Price Drop
    View Product: Circo One Piece Swimsuit

    Circo

    One Piece Swimsuit
    Size 12 mo
    $7.99 $6.39 20% off with code SHINE
    42% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)Price Drop
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size Up to 7lbs
    $9.99 $7.99 20% off with code SHINE
    52% off estimated retail
    Lands' End One Piece Swimsuit (view 2)Lands' End One Piece Swimsuit (view 1)Price Drop
    View Product: Lands' End One Piece Swimsuit

    Lands' End

    One Piece Swimsuit
    Size 10
    $10.99 $8.24 25% off with code SHINE
    62% off estimated retail
    Wonder Nation Rash Guard (view 2)Wonder Nation Rash Guard (view 1)Price Drop
    View Product: Wonder Nation Rash Guard

    Wonder Nation

    Rash Guard
    Size 7
    $9.99 $7.99 20% off with code SHINE
    37% off estimated retail
    GG The Brand One Piece Swimsuit (view 2)GG The Brand One Piece Swimsuit (view 1)Price Drop
    View Product: GG The Brand One Piece Swimsuit

    GG The Brand

    One Piece Swimsuit
    Size 80 cm
    $8.99 $7.19 20% off with code SHINE
    43% 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 SHINE
    83% off estimated retail
    Assorted Brands One Piece Swimsuit (view 2)Assorted Brands One Piece Swimsuit (view 1)Price Drop
    View Product: Assorted Brands One Piece Swimsuit

    Assorted Brands

    One Piece Swimsuit
    Size X-Small kids
    $9.99 $7.99 20% off with code SHINE
    63% off estimated retail
    Gap One Piece Swimsuit (view 2)Gap One Piece Swimsuit (view 1)Price Drop
    View Product: Gap One Piece Swimsuit

    Gap

    One Piece Swimsuit
    Size 3-6 mo
    $9.99 $7.99 20% off with code SHINE
    63% 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 6-12 mo
    $9.99 $7.99 20% off with code SHINE
    44% off estimated retail
    OshKosh B'gosh One Piece Swimsuit (view 2)OshKosh B'gosh One Piece Swimsuit (view 1)Price Drop
    View Product: OshKosh B'gosh One Piece Swimsuit

    OshKosh B'gosh

    One Piece Swimsuit
    Size 3 mo
    $9.99 $7.99 20% off with code SHINE
    58% 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 9 mo
    $8.99 $7.19 20% off with code SHINE
    47% off estimated retail
    Dippin Daisy's Swimwear Swimsuit Cover Up (view 2)Dippin Daisy's Swimwear Swimsuit Cover Up (view 1)Price Drop
    View Product: Dippin Daisy's Swimwear Swimsuit Cover Up

    Dippin Daisy's Swimwear

    Swimsuit Cover Up
    Size Small kids
    $6.99 $5.59 20% off with code SHINE
    73% off estimated retail
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