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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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24 items
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    Les Tout Petits Two Piece Swimsuit (view 2)Les Tout Petits Two Piece Swimsuit (view 1)
    View Product: Les Tout Petits Two Piece Swimsuit

    Les Tout Petits

    Two Piece Swimsuit
    Size 16
    $36.99
    76% off estimated retail
    L.L.Bean One Piece Swimsuit (view 2)L.L.Bean One Piece Swimsuit (view 1)New With Tags
    View Product: L.L.Bean One Piece Swimsuit

    L.L.Bean

    One Piece Swimsuit
    Size 16
    $12.99
    60% off estimated retail
    Old Navy One Piece Swimsuit (view 2)Old Navy One Piece Swimsuit (view 1)
    View Product: Old Navy One Piece Swimsuit

    Old Navy

    One Piece Swimsuit
    Size 16
    $8.99
    50% off estimated retail
    Old Navy One Piece Swimsuit (view 2)Old Navy One Piece Swimsuit (view 1)
    View Product: Old Navy One Piece Swimsuit

    Old Navy

    One Piece Swimsuit
    Size 16
    $8.99
    50% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    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 16 Plus
    $21.99
    42% 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 16
    $18.99
    24% off estimated retail
    Gossip Girl One Piece Swimsuit (view 2)Gossip Girl One Piece Swimsuit (view 1)
    View Product: Gossip Girl One Piece Swimsuit

    Gossip Girl

    One Piece Swimsuit
    Size 16
    $15.99 $11.99 25% off with code SHINE
    51% off estimated retail
    GB Girls Two Piece Swimsuit (view 2)GB Girls Two Piece Swimsuit (view 1)New With Tags
    View Product: GB Girls Two Piece Swimsuit

    GB Girls

    Two Piece Swimsuit
    Size 16
    $25.99 $20.79 20% off with code SHINE
    31% off estimated retail
    Copper Key One Piece Swimsuit (view 2)Copper Key One Piece Swimsuit (view 1)New With Tags
    View Product: Copper Key One Piece Swimsuit

    Copper Key

    One Piece Swimsuit
    Size 16
    $19.99 $15.99 20% off with code SHINE
    50% off estimated retail
    Justice Rash Guard (view 2)Justice Rash Guard (view 1)
    View Product: Justice Rash Guard

    Justice

    Rash Guard
    Size 16
    $8.99 $7.19 20% off with code SHINE
    76% off estimated retail
    Maaji Rash Guard (view 2)Maaji Rash Guard (view 1)
    View Product: Maaji Rash Guard

    Maaji

    Rash Guard
    Size 16
    $11.99 $9.59 20% off with code SHINE
    87% off estimated retail
    Justice One Piece Swimsuit (view 2)Justice One Piece Swimsuit (view 1)
    View Product: Justice One Piece Swimsuit

    Justice

    One Piece Swimsuit
    Size 16
    $18.99 $10.44 45% off with code SHINE
    62% 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 16
    $22.99 $16.09 30% off with code SHINE
    39% off estimated retail
    Billabong Rash Guard (view 2)Billabong Rash Guard (view 1)
    View Product: Billabong Rash Guard

    Billabong

    Rash Guard
    Size 16
    $12.99 $9.74 25% off with code SHINE
    68% off estimated retail
    Lands' End Rash Guard (view 2)Lands' End Rash Guard (view 1)
    View Product: Lands' End Rash Guard

    Lands' End

    Rash Guard
    Size 16
    $9.99 $7.99 20% off with code SHINE
    60% off estimated retail
    Kids Two Piece Swimsuit (view 2)Kids Two Piece Swimsuit (view 1)New With Tags
    View Product: Kids Two Piece Swimsuit

    Kids

    Two Piece Swimsuit
    Size 16
    $10.99 $8.79 20% off with code SHINE
    56% off estimated retail
    Lands' End Rash Guard (view 2)Lands' End Rash Guard (view 1)
    View Product: Lands' End Rash Guard

    Lands' End

    Rash Guard
    Size 16
    $28.99 $21.74 25% off with code SHINE
    51% off estimated retail
    Lands' End Rash Guard (view 2)Lands' End Rash Guard (view 1)
    View Product: Lands' End Rash Guard

    Lands' End

    Rash Guard
    Size 16 Plus
    $12.99 $9.74 25% off with code SHINE
    48% off estimated retail
    Justice One Piece Swimsuit (view 2)Justice One Piece Swimsuit (view 1)
    View Product: Justice One Piece Swimsuit

    Justice

    One Piece Swimsuit
    Size 16
    $23.99 $16.79 30% off with code SHINE
    31% off estimated retail
    Athleta Rash Guard (view 2)Athleta Rash Guard (view 1)Price Drop
    View Product: Athleta Rash Guard

    Athleta

    Rash Guard
    Size 16
    $11.99 $8.99 25% off with code SHINE
    75% off estimated retail
    ZeroXposur One Piece Swimsuit (view 2)ZeroXposur One Piece Swimsuit (view 1)Price Drop
    View Product: ZeroXposur One Piece Swimsuit

    ZeroXposur

    One Piece Swimsuit
    Size 16
    $13.99 $11.19 20% off with code SHINE
    65% off estimated retail
    ZeroXposur Swimsuit Cover Up (view 2)ZeroXposur Swimsuit Cover Up (view 1)Price Drop
    View Product: ZeroXposur Swimsuit Cover Up

    ZeroXposur

    Swimsuit Cover Up
    Size 16
    $10.99 $8.79 20% off with code SHINE
    73% off estimated retail
    Kanu Surf Rash Guard (view 2)Kanu Surf Rash Guard (view 1)Price Drop
    View Product: Kanu Surf Rash Guard

    Kanu Surf

    Rash Guard
    Size 16
    $9.99 $7.99 20% off with code SHINE
    69% off estimated retail
    ZeroXposur Swimsuit Cover Up (view 2)ZeroXposur Swimsuit Cover Up (view 1)Price Drop
    View Product: ZeroXposur Swimsuit Cover Up

    ZeroXposur

    Swimsuit Cover Up
    Size 16
    $10.99 $8.79 20% off with code SHINE
    73% off estimated retail
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