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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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48 items
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    Pokemon One Piece Swimsuit (view 2)Pokemon One Piece Swimsuit (view 1)
    View Product: Pokemon One Piece Swimsuit

    Pokemon

    One Piece Swimsuit
    Size 10
    $9.99
    37% 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 10
    $15.99
    51% off estimated retail
    Marina West One Piece Swimsuit (view 2)Marina West One Piece Swimsuit (view 1)
    View Product: Marina West One Piece Swimsuit

    Marina West

    One Piece Swimsuit
    Size 10
    $10.99
    56% 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 10
    $13.99
    40% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Crewcuts One Piece Swimsuit (view 2)Crewcuts One Piece Swimsuit (view 1)Flawed Gem
    View Product: Crewcuts One Piece Swimsuit

    Crewcuts

    One Piece Swimsuit
    Size 10
    $20.99
    57% 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 10
    $27.99
    53% 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 10
    $26.99
    61% off estimated retail
    Cat & Jack Two Piece Swimsuit (view 2)Cat & Jack Two Piece Swimsuit (view 1)
    View Product: Cat & Jack Two Piece Swimsuit

    Cat & Jack

    Two Piece Swimsuit
    Size 10
    $12.99
    23% off estimated retail
    Assorted Brands Wetsuit (view 2)Assorted Brands Wetsuit (view 1)
    View Product: Assorted Brands Wetsuit

    Assorted Brands

    Wetsuit
    Size 6-9 mo
    $16.99
    61% off estimated retail
    Ivivva One Piece Swimsuit (view 2)Ivivva One Piece Swimsuit (view 1)
    View Product: Ivivva One Piece Swimsuit

    Ivivva

    One Piece Swimsuit
    Size 10
    $22.99
    53% off estimated retail
    Cat & Jack One Piece Swimsuit (view 2)Cat & Jack One Piece Swimsuit (view 1)
    View Product: Cat & Jack One Piece Swimsuit

    Cat & Jack

    One Piece Swimsuit
    Size 6X
    $10.99
    47% 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 10
    $14.99
    57% off estimated retail
    Melissa Odabash One Piece Swimsuit (view 2)Melissa Odabash One Piece Swimsuit (view 1)
    View Product: Melissa Odabash One Piece Swimsuit

    Melissa Odabash

    One Piece Swimsuit
    Size 10
    $37.99
    62% 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 10
    $25.99 $14.29 45% off with code HOTDEAL
    56% off estimated retail
    Cabana Life Two Piece Swimsuit (view 2)Cabana Life Two Piece Swimsuit (view 1)
    View Product: Cabana Life Two Piece Swimsuit

    Cabana Life

    Two Piece Swimsuit
    Size 6X
    $30.99 $20.14 35% off with code HOTDEAL
    58% 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 10 Slim
    $22.99 $13.79 40% off with code HOTDEAL
    39% off estimated retail
    Miken Swim Rash Guard (view 2)Miken Swim Rash Guard (view 1)
    View Product: Miken Swim Rash Guard

    Miken Swim

    Rash Guard
    Size 10
    $20.99 $14.69 30% off with code HOTDEAL
    53% 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 6-9 mo
    $15.99 $11.99 25% off with code HOTDEAL
    54% off estimated retail
    Cat & Jack One Piece Swimsuit (view 2)Cat & Jack One Piece Swimsuit (view 1)
    View Product: Cat & Jack One Piece Swimsuit

    Cat & Jack

    One Piece Swimsuit
    Size 6X
    $15.99 $12.79 20% off with code HOTDEAL
    23% off estimated retail
    Carter's One Piece Swimsuit (view 2)Carter's One Piece Swimsuit (view 1)
    View Product: Carter's One Piece Swimsuit

    Carter's

    One Piece Swimsuit
    Size 6X
    $16.99 $13.59 20% off with code HOTDEAL
    64% off estimated retail
    Garnet Hill Rash Guard (view 2)Garnet Hill Rash Guard (view 1)
    View Product: Garnet Hill Rash Guard

    Garnet Hill

    Rash Guard
    Size 10
    $18.99 $15.19 20% off with code HOTDEAL
    75% 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 10
    $33.99 $18.69 45% off with code HOTDEAL
    50% off estimated retail
    Assorted Brands Swimsuit Cover Up (view 2)Assorted Brands Swimsuit Cover Up (view 1)New With Tags
    View Product: Assorted Brands Swimsuit Cover Up

    Assorted Brands

    Swimsuit Cover Up
    Size 10
    $12.99 $7.79 40% off with code HOTDEAL
    63% off estimated retail
    Gerry One Piece Swimsuit (view 2)Gerry One Piece Swimsuit (view 1)
    View Product: Gerry One Piece Swimsuit

    Gerry

    One Piece Swimsuit
    Size 10
    $21.99 $16.49 25% 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 6-9 mo
    $12.99 $10.39 20% off with code HOTDEAL
    45% off estimated retail
    Coolies Rash Guard (view 2)Coolies Rash Guard (view 1)
    View Product: Coolies Rash Guard

    Coolies

    Rash Guard
    Size 10
    $16.99 $13.59 20% off with code HOTDEAL
    51% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)Price Drop
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size 6X
    $10.99 $8.79 20% off with code HOTDEAL
    55% off estimated retail
    Cat & Jack One Piece Swimsuit (view 2)Cat & Jack One Piece Swimsuit (view 1)
    View Product: Cat & Jack One Piece Swimsuit

    Cat & Jack

    One Piece Swimsuit
    Size 6-9 mo
    $10.99 $8.79 20% off with code HOTDEAL
    47% off estimated retail
    Gap Kids Rash Guard (view 2)Gap Kids Rash Guard (view 1)
    View Product: Gap Kids Rash Guard

    Gap Kids

    Rash Guard
    Size 10
    $21.99 $16.49 25% off with code HOTDEAL
    43% off estimated retail
    Wonder Nation Two Piece Swimsuit (view 2)Wonder Nation Two Piece Swimsuit (view 1)
    View Product: Wonder Nation Two Piece Swimsuit

    Wonder Nation

    Two Piece Swimsuit
    Size 6-9 mo
    $7.99 $6.39 20% off with code HOTDEAL
    36% off estimated retail
    Motion Wear One Piece Swimsuit (view 2)Motion Wear One Piece Swimsuit (view 1)Price Drop
    View Product: Motion Wear One Piece Swimsuit

    Motion Wear

    One Piece Swimsuit
    Size 6X
    $19.99 $12.99 35% off with code HOTDEAL
    56% off estimated retail
    Ruffle Butts Rash Guard (view 2)Ruffle Butts Rash Guard (view 1)Price Drop
    View Product: Ruffle Butts Rash Guard

    Ruffle Butts

    Rash Guard
    Size 10
    $13.99 $8.39 40% off with code HOTDEAL
    25% off estimated retail
    Carter's One Piece Swimsuit (view 2)Carter's One Piece Swimsuit (view 1)
    View Product: Carter's One Piece Swimsuit

    Carter's

    One Piece Swimsuit
    Size 6-9 mo
    $8.99 $5.39 40% off with code HOTDEAL
    73% off estimated retail
    Roller Rabbit Rash Guard (view 2)Roller Rabbit Rash Guard (view 1)Price Drop
    View Product: Roller Rabbit Rash Guard

    Roller Rabbit

    Rash Guard
    Size 6X
    $24.99 $13.74 45% 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 10
    $17.99 $10.79 40% off with code HOTDEAL
    68% off estimated retail
    Dakine Rash Guard (view 2)Dakine Rash Guard (view 1)Price Drop
    View Product: Dakine Rash Guard

    Dakine

    Rash Guard
    Size 10
    $17.99 $10.79 40% off with code HOTDEAL
    84% off estimated retail
    Gerry Rash Guard (view 2)Gerry Rash Guard (view 1)Price Drop
    View Product: Gerry Rash Guard

    Gerry

    Rash Guard
    Size 10 Slim
    $11.99 $7.19 40% off with code HOTDEAL
    69% 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 6-9 mo
    $11.99 $7.19 40% off with code HOTDEAL
    54% off estimated retail
    Sol Swim One Piece Swimsuit (view 2)Sol Swim One Piece Swimsuit (view 1)Price Drop
    View Product: Sol Swim One Piece Swimsuit

    Sol Swim

    One Piece Swimsuit
    Size 6-9 mo
    $10.24 $6.14 40% off with code HOTDEAL
    59% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)Price Drop
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size 6X
    $11.99 $7.19 40% off with code HOTDEAL
    50% off estimated retail
    DKNY Swimsuit Cover Up (view 2)DKNY Swimsuit Cover Up (view 1)New With Tags
    View Product: DKNY Swimsuit Cover Up

    DKNY

    Swimsuit Cover Up
    Size 10
    $8.99 $5.39 40% off with code HOTDEAL
    78% off estimated retail
    Cat & Jack Two Piece Swimsuit (view 2)Cat & Jack Two Piece Swimsuit (view 1)Price Drop
    View Product: Cat & Jack Two Piece Swimsuit

    Cat & Jack

    Two Piece Swimsuit
    Size 10
    $8.99 $5.39 40% off with code HOTDEAL
    47% off estimated retail
    More Than Magic Rash Guard (view 2)More Than Magic Rash Guard (view 1)Price Drop
    View Product: More Than Magic Rash Guard

    More Than Magic

    Rash Guard
    Size 10
    $8.99 $5.39 40% off with code HOTDEAL
    50% off estimated retail
    Unbranded One Piece Swimsuit (view 2)Unbranded One Piece Swimsuit (view 1)Price Drop
    View Product: Unbranded One Piece Swimsuit

    Unbranded

    One Piece Swimsuit
    Size 6-9 mo
    $9.99 $5.99 40% off with code HOTDEAL
    59% 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 6-9 mo
    $10.99 $6.59 40% off with code HOTDEAL
    47% off estimated retail
    Carter's Rash Guard (view 2)Carter's Rash Guard (view 1)Price Drop
    View Product: Carter's Rash Guard

    Carter's

    Rash Guard
    Size 6X
    $12.24 $7.34 40% off with code HOTDEAL
    66% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)Price Drop
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size 10
    $10.24 $6.14 40% off with code HOTDEAL
    60% off estimated retail
    Carter's Rash Guard (view 2)Carter's Rash Guard (view 1)Price Drop
    View Product: Carter's Rash Guard

    Carter's

    Rash Guard
    Size 6-9 mo
    $10.99 $6.59 40% off with code HOTDEAL
    65% off estimated retail
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