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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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25 items
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    Kanu Surf Two Piece Swimsuit (view 2)Kanu Surf Two Piece Swimsuit (view 1)
    View Product: Kanu Surf Two Piece Swimsuit

    Kanu Surf

    Two Piece Swimsuit
    Size 16
    $15.99
    51% off estimated retail
    ZeroXposur One Piece Swimsuit (view 2)ZeroXposur One Piece Swimsuit (view 1)
    View Product: ZeroXposur One Piece Swimsuit

    ZeroXposur

    One Piece Swimsuit
    Size 16
    $18.99
    53% off estimated retail
    Assorted Brands Wetsuit (view 2)Assorted Brands Wetsuit (view 1)
    View Product: Assorted Brands Wetsuit

    Assorted Brands

    Wetsuit
    Size 16
    $25.99
    61% 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
    $24.99
    34% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Assorted Brands Rash Guard (view 2)Assorted Brands Rash Guard (view 1)
    View Product: Assorted Brands Rash Guard

    Assorted Brands

    Rash Guard
    Size 16
    $10.99
    69% off estimated retail
    Splendid One Piece Swimsuit (view 2)Splendid One Piece Swimsuit (view 1)New With Tags
    View Product: Splendid One Piece Swimsuit

    Splendid

    One Piece Swimsuit
    Size 16
    $19.99
    59% off estimated retail
    Billien Rash Guard (view 2)Billien Rash Guard (view 1)New With Tags
    View Product: Billien Rash Guard

    Billien

    Rash Guard
    Size 16
    $22.99
    58% off estimated retail
    Assorted Brands One Piece Swimsuit (view 2)Assorted Brands One Piece Swimsuit (view 1)
    View Product: Assorted Brands One Piece Swimsuit

    Assorted Brands

    One Piece Swimsuit
    Size 16
    $14.99 $11.99 20% off with code HOTDEAL
    57% off estimated retail
    Random Hearts One Piece Swimsuit (view 2)Random Hearts One Piece Swimsuit (view 1)
    View Product: Random Hearts One Piece Swimsuit

    Random Hearts

    One Piece Swimsuit
    Size 16
    $11.99 $9.59 20% off with code HOTDEAL
    31% 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
    $22.99 $16.09 30% off with code HOTDEAL
    45% 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 16
    $16.99 $13.59 20% off with code HOTDEAL
    51% off estimated retail
    Breaking Waves One Piece Swimsuit (view 2)Breaking Waves One Piece Swimsuit (view 1)
    View Product: Breaking Waves One Piece Swimsuit

    Breaking Waves

    One Piece Swimsuit
    Size 16
    $13.99 $11.19 20% off with code HOTDEAL
    35% off estimated retail
    Random Hearts One Piece Swimsuit (view 2)Random Hearts One Piece Swimsuit (view 1)
    View Product: Random Hearts One Piece Swimsuit

    Random Hearts

    One Piece Swimsuit
    Size 16
    $11.99 $9.59 20% off with code HOTDEAL
    31% off estimated retail
    Justice Two Piece Swimsuit (view 2)Justice Two Piece Swimsuit (view 1)
    View Product: Justice Two Piece Swimsuit

    Justice

    Two Piece Swimsuit
    Size 16
    $22.99 $16.09 30% off with code HOTDEAL
    42% off estimated retail
    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
    $37.99 $24.69 35% off with code HOTDEAL
    76% 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
    $16.99 $11.89 30% off with code HOTDEAL
    51% 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
    $23.99 $19.19 20% off with code HOTDEAL
    50% off estimated retail
    Justice Rash Guard (view 2)Justice Rash Guard (view 1)
    View Product: Justice Rash Guard

    Justice

    Rash Guard
    Size 16
    $10.99 $8.79 20% off with code HOTDEAL
    76% 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
    $22.99 $11.50 50% off with code HOTDEAL
    62% 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
    $12.99 $10.39 20% off with code HOTDEAL
    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
    $30.99 $21.69 30% off with code HOTDEAL
    55% 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
    $14.99 $11.24 25% off with code HOTDEAL
    48% 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
    $14.99 $8.99 40% off with code HOTDEAL
    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
    $13.99 $8.39 40% off with code HOTDEAL
    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
    $13.99 $8.39 40% off with code HOTDEAL
    75% off estimated retail
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