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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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84 items
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    Maaji Two Piece Swimsuit (view 2)Maaji Two Piece Swimsuit (view 1)
    View Product: Maaji Two Piece Swimsuit

    Maaji

    Two Piece Swimsuit
    Size 14
    $28.99
    70% off estimated retail
    ZeroXposur One Piece Swimsuit (view 2)ZeroXposur One Piece Swimsuit (view 1)New With Tags
    View Product: ZeroXposur One Piece Swimsuit

    ZeroXposur

    One Piece Swimsuit
    Size 14
    $24.99
    73% 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 14
    $15.99
    51% off estimated retail
    Athleta One Piece Swimsuit (view 2)Athleta One Piece Swimsuit (view 1)
    View Product: Athleta One Piece Swimsuit

    Athleta

    One Piece Swimsuit
    Size 14
    $22.99
    53% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Athleta Two Piece Swimsuit (view 2)Athleta Two Piece Swimsuit (view 1)
    View Product: Athleta Two Piece Swimsuit

    Athleta

    Two Piece Swimsuit
    Size 14
    $23.99
    51% 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 14
    $27.99
    70% 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 14
    $19.99
    39% off estimated retail
    Assorted Brands Two Piece Swimsuit (view 2)Assorted Brands Two Piece Swimsuit (view 1)
    View Product: Assorted Brands Two Piece Swimsuit

    Assorted Brands

    Two Piece Swimsuit
    Size 14
    $11.99
    63% off estimated retail
    Roxy Rash Guard (view 2)Roxy Rash Guard (view 1)
    View Product: Roxy Rash Guard

    Roxy

    Rash Guard
    Size 14
    $18.99
    53% off estimated retail
    Banana Cabana One Piece Swimsuit (view 2)Banana Cabana One Piece Swimsuit (view 1)
    View Product: Banana Cabana One Piece Swimsuit

    Banana Cabana

    One Piece Swimsuit
    Size 14
    $19.99
    39% off estimated retail
    Just Bones Boardwear Board Shorts (view 2)Just Bones Boardwear Board Shorts (view 1)
    View Product: Just Bones Boardwear Board Shorts

    Just Bones Boardwear

    Board Shorts
    Size 14
    $12.99
    51% 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 14
    $14.99
    25% off estimated retail
    Carter's Rash Guard (view 2)Carter's Rash Guard (view 1)
    View Product: Carter's Rash Guard

    Carter's

    Rash Guard
    Size 14
    $12.99
    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 14
    $26.99
    55% 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 14
    $41.99
    42% 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 14
    $16.99
    48% off estimated retail
    Platinum One Piece Swimsuit (view 2)Platinum One Piece Swimsuit (view 1)New With Tags
    View Product: Platinum One Piece Swimsuit

    Platinum

    One Piece Swimsuit
    Size 14
    $34.99
    56% 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 14
    $16.99 $18
    Eddie Bauer Rash Guard (view 2)Eddie Bauer Rash Guard (view 1)
    View Product: Eddie Bauer Rash Guard

    Eddie Bauer

    Rash Guard
    Size 14
    $11.99
    63% off estimated retail
    Eddie Bauer Two Piece Swimsuit (view 2)Eddie Bauer Two Piece Swimsuit (view 1)
    View Product: Eddie Bauer Two Piece Swimsuit

    Eddie Bauer

    Two Piece Swimsuit
    Size 14
    $12.99
    60% off estimated retail
    Pixie Girl One Piece Swimsuit (view 2)Pixie Girl One Piece Swimsuit (view 1)
    View Product: Pixie Girl One Piece Swimsuit

    Pixie Girl

    One Piece Swimsuit
    Size 14
    $28.99 $21.74 25% off with code THANKU
    64% off estimated retail
    Art Class Rash Guard (view 2)Art Class Rash Guard (view 1)
    View Product: Art Class Rash Guard

    Art Class

    Rash Guard
    Size 14
    $10.99 $8.79 20% off with code THANKU
    45% off estimated retail
    Kavu One Piece Swimsuit (view 2)Kavu One Piece Swimsuit (view 1)
    View Product: Kavu One Piece Swimsuit

    Kavu

    One Piece Swimsuit
    Size 14
    $25.99 $18.19 30% off with code THANKU
    68% off estimated retail
    Assorted Brands Two Piece Swimsuit (view 2)Assorted Brands Two Piece Swimsuit (view 1)
    View Product: Assorted Brands Two Piece Swimsuit

    Assorted Brands

    Two Piece Swimsuit
    Size 14
    $17.99 $13.49 25% off with code THANKU
    65% off estimated retail
    Assorted Brands Two Piece Swimsuit (view 2)Assorted Brands Two Piece Swimsuit (view 1)
    View Product: Assorted Brands Two Piece Swimsuit

    Assorted Brands

    Two Piece Swimsuit
    Size 14
    $19.99 $13.99 30% off with code THANKU
    61% off estimated retail
    OndadeMar Two Piece Swimsuit (view 2)OndadeMar Two Piece Swimsuit (view 1)New With Tags
    View Product: OndadeMar Two Piece Swimsuit

    OndadeMar

    Two Piece Swimsuit
    Size 14
    $35.99 $25.19 30% off with code THANKU
    80% off estimated retail
    Gap Kids One Piece Swimsuit (view 2)Gap Kids One Piece Swimsuit (view 1)
    View Product: Gap Kids One Piece Swimsuit

    Gap Kids

    One Piece Swimsuit
    Size 14
    $19.99 $13.99 30% off with code THANKU
    53% off estimated retail
    O'Neill Rash Guard (view 2)O'Neill Rash Guard (view 1)
    View Product: O'Neill Rash Guard

    O'Neill

    Rash Guard
    Size 14
    $9.99 $7.99 20% off with code THANKU
    69% 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 14
    $27.99 $18.19 35% off with code THANKU
    70% 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 14
    $14.99
    54% off estimated retail
    SO Two Piece Swimsuit (view 2)SO Two Piece Swimsuit (view 1)
    View Product: SO Two Piece Swimsuit

    SO

    Two Piece Swimsuit
    Size 14
    $9.99 $7.99 20% off with code THANKU
    60% off estimated retail
    Sonoma Goods for Life One Piece Swimsuit (view 2)Sonoma Goods for Life One Piece Swimsuit (view 1)
    View Product: Sonoma Goods for Life One Piece Swimsuit

    Sonoma Goods for Life

    One Piece Swimsuit
    Size 14
    $13.99 $10.49 25% off with code THANKU
    44% off estimated retail
    Athleta One Piece Swimsuit (view 2)Athleta One Piece Swimsuit (view 1)
    View Product: Athleta One Piece Swimsuit

    Athleta

    One Piece Swimsuit
    Size 14
    $25.99 $14.29 45% off with code THANKU
    46% off estimated retail
    Eddie Bauer Two Piece Swimsuit (view 2)Eddie Bauer Two Piece Swimsuit (view 1)
    View Product: Eddie Bauer Two Piece Swimsuit

    Eddie Bauer

    Two Piece Swimsuit
    Size 14
    $9.99 $7.99 20% off with code THANKU
    69% 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 14 Plus
    $19.99 $11.99 40% off with code THANKU
    39% off estimated retail
    Crewcuts One Piece Swimsuit (view 2)Crewcuts One Piece Swimsuit (view 1)
    View Product: Crewcuts One Piece Swimsuit

    Crewcuts

    One Piece Swimsuit
    Size 14
    $17.99 $11.69 35% off with code THANKU
    63% off estimated retail
    Quiksilver Rash Guard (view 2)Quiksilver Rash Guard (view 1)
    View Product: Quiksilver Rash Guard

    Quiksilver

    Rash Guard
    Size 14
    $14.99 $10.49 30% off with code THANKU
    54% 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 14
    $14.99 $11.24 25% off with code THANKU
    25% off estimated retail
    Art Class One Piece Swimsuit (view 2)Art Class One Piece Swimsuit (view 1)New With Tags
    View Product: Art Class One Piece Swimsuit

    Art Class

    One Piece Swimsuit
    Size 14 Plus
    $13.99 $10.49 25% off with code THANKU
    30% off estimated retail
    Gap Kids One Piece Swimsuit (view 2)Gap Kids One Piece Swimsuit (view 1)
    View Product: Gap Kids One Piece Swimsuit

    Gap Kids

    One Piece Swimsuit
    Size 14
    $14.99 $11.24 25% off with code THANKU
    65% off estimated retail
    Vilebrequin Rash Guard (view 2)Vilebrequin Rash Guard (view 1)
    View Product: Vilebrequin Rash Guard

    Vilebrequin

    Rash Guard
    Size 14
    $29.99 $19.49 35% off with code THANKU
    79% off estimated retail
    Limited Too One Piece Swimsuit (view 2)Limited Too One Piece Swimsuit (view 1)
    View Product: Limited Too One Piece Swimsuit

    Limited Too

    One Piece Swimsuit
    Size 14
    $12.99 $10.39 20% off with code THANKU
    60% 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 14
    $20.99 $12.59 40% off with code THANKU
    44% 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 14
    $19.99 $12.99 35% off with code THANKU
    51% off estimated retail
    Carter's Rash Guard (view 2)Carter's Rash Guard (view 1)
    View Product: Carter's Rash Guard

    Carter's

    Rash Guard
    Size 14
    $11.99 $9.59 20% off with code THANKU
    60% off estimated retail
    Milly Minis Swimsuit Cover Up (view 2)Milly Minis Swimsuit Cover Up (view 1)
    View Product: Milly Minis Swimsuit Cover Up

    Milly Minis

    Swimsuit Cover Up
    Size 14
    $31.99 $19.19 40% off with code THANKU
    83% off estimated retail
    Patagonia Rash Guard (view 2)Patagonia Rash Guard (view 1)
    View Product: Patagonia Rash Guard

    Patagonia

    Rash Guard
    Size 14
    $23.99 $16.79 30% off with code THANKU
    41% off estimated retail
    PQ Swim Two Piece Swimsuit (view 2)PQ Swim Two Piece Swimsuit (view 1)
    View Product: PQ Swim Two Piece Swimsuit

    PQ Swim

    Two Piece Swimsuit
    Size 14
    $29.99 $17.99 40% off with code THANKU
    73% off estimated retail
    The Children's Place Two Piece Swimsuit (view 2)The Children's Place Two Piece Swimsuit (view 1)
    View Product: The Children's Place Two Piece Swimsuit

    The Children's Place

    Two Piece Swimsuit
    Size 14
    $10.99 $8.79 20% off with code THANKU
    47% off estimated retail
    Splendid One Piece Swimsuit (view 2)Splendid One Piece Swimsuit (view 1)
    View Product: Splendid One Piece Swimsuit

    Splendid

    One Piece Swimsuit
    Size 14
    $14.99 $11.99 20% off with code THANKU
    69% off estimated retail
    Assorted Brands Wetsuit (view 2)Assorted Brands Wetsuit (view 1)
    View Product: Assorted Brands Wetsuit

    Assorted Brands

    Wetsuit
    Size 14
    $25.99 $20.79 20% off with code THANKU
    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 14
    $13.99 $10.49 25% off with code THANKU
    22% 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 14
    $14.99 $10.49 30% off with code THANKU
    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 14
    $11.99 $9.59 20% off with code THANKU
    29% off estimated retail
    Athleta Two Piece Swimsuit (view 2)Athleta Two Piece Swimsuit (view 1)
    View Product: Athleta Two Piece Swimsuit

    Athleta

    Two Piece Swimsuit
    Size 14
    $23.99 $14.39 40% off with code THANKU
    51% off estimated retail
    Eddie Bauer Rash Guard (view 2)Eddie Bauer Rash Guard (view 1)
    View Product: Eddie Bauer Rash Guard

    Eddie Bauer

    Rash Guard
    Size 14
    $11.99 $9.59 20% off with code THANKU
    63% off estimated retail
    Tommy Bahama One Piece Swimsuit (view 2)Tommy Bahama One Piece Swimsuit (view 1)
    View Product: Tommy Bahama One Piece Swimsuit

    Tommy Bahama

    One Piece Swimsuit
    Size 14
    $14.99 $11.99 20% off with code THANKU
    63% off estimated retail
    Crewcuts Rash Guard (view 2)Crewcuts Rash Guard (view 1)
    View Product: Crewcuts Rash Guard

    Crewcuts

    Rash Guard
    Size 14
    $17.99 $12.59 30% off with code THANKU
    63% off estimated retail
    Art Class Rash Guard (view 2)Art Class Rash Guard (view 1)
    View Product: Art Class Rash Guard

    Art Class

    Rash Guard
    Size 14
    $8.99 $7.19 20% off with code THANKU
    55% off estimated retail
    Crewcuts Rash Guard (view 2)Crewcuts Rash Guard (view 1)
    View Product: Crewcuts Rash Guard

    Crewcuts

    Rash Guard
    Size 14
    $18.99 $13.29 30% off with code THANKU
    61% off estimated retail
    Art Class Rash Guard (view 2)Art Class Rash Guard (view 1)
    View Product: Art Class Rash Guard

    Art Class

    Rash Guard
    Size 14
    $8.99 $7.19 20% off with code THANKU
    55% off estimated retail
    Cat & Jack One Piece Swimsuit (view 2)Cat & Jack One Piece Swimsuit (view 1)New With Tags
    View Product: Cat & Jack One Piece Swimsuit

    Cat & Jack

    One Piece Swimsuit
    Size 14 Plus
    $12.99 $9.74 25% off with code THANKU
    23% 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 14
    $27.99 $18.19 35% off with code THANKU
    70% off estimated retail
    Danskin Now One Piece Swimsuit (view 2)Danskin Now One Piece Swimsuit (view 1)
    View Product: Danskin Now One Piece Swimsuit

    Danskin Now

    One Piece Swimsuit
    Size 14
    $10.99 $8.79 20% off with code THANKU
    31% off estimated retail
    Sunshine Swing Rash Guard (view 2)Sunshine Swing Rash Guard (view 1)
    View Product: Sunshine Swing Rash Guard

    Sunshine Swing

    Rash Guard
    Size 14
    $12.99 $10.39 20% off with code THANKU
    48% off estimated retail
    Eddie Bauer Rash Guard (view 2)Eddie Bauer Rash Guard (view 1)
    View Product: Eddie Bauer Rash Guard

    Eddie Bauer

    Rash Guard
    Size 14
    $9.99 $7.99 20% off with code THANKU
    69% off estimated retail
    Goode Rider Rash Guard (view 2)Goode Rider Rash Guard (view 1)
    View Product: Goode Rider Rash Guard

    Goode Rider

    Rash Guard
    Size 14
    $23.99 $17.99 25% off with code THANKU
    63% off estimated retail
    Old Navy Rash Guard (view 2)Old Navy Rash Guard (view 1)
    View Product: Old Navy Rash Guard

    Old Navy

    Rash Guard
    Size 14
    $10.99 $8.79 20% off with code THANKU
    31% off estimated retail
    Eddie Bauer Rash Guard (view 2)Eddie Bauer Rash Guard (view 1)
    View Product: Eddie Bauer Rash Guard

    Eddie Bauer

    Rash Guard
    Size 14
    $13.99 $11.19 20% off with code THANKU
    57% off estimated retail
    Betsey Johnson One Piece Swimsuit (view 2)Betsey Johnson One Piece Swimsuit (view 1)Price Drop
    View Product: Betsey Johnson One Piece Swimsuit

    Betsey Johnson

    One Piece Swimsuit
    Size 14
    $15.99 $11.99 25% off with code THANKU
    61% off estimated retail
    Eddie Bauer Rash Guard (view 2)Eddie Bauer Rash Guard (view 1)Price Drop
    View Product: Eddie Bauer Rash Guard

    Eddie Bauer

    Rash Guard
    Size 14
    $7.99 $6.39 20% off with code THANKU
    75% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size 14
    $12.99 $9.74 25% off with code THANKU
    35% off estimated retail
    Roxy Rash Guard (view 2)Roxy Rash Guard (view 1)Price Drop
    View Product: Roxy Rash Guard

    Roxy

    Rash Guard
    Size 14
    $19.99 $13.99 30% off with code THANKU
    51% 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 $10.49 25% off with code THANKU
    44% off estimated retail
    Athleta Girl x Simone Biles Rash Guard (view 2)Athleta Girl x Simone Biles Rash Guard (view 1)Price Drop
    View Product: Athleta Girl x Simone Biles Rash Guard

    Athleta Girl x Simone Biles

    Rash Guard
    Size 14
    $24.99 $17.49 30% off with code THANKU
    69% off estimated retail
    Gap Kids One Piece Swimsuit (view 2)Gap Kids One Piece Swimsuit (view 1)Price Drop
    View Product: Gap Kids One Piece Swimsuit

    Gap Kids

    One Piece Swimsuit
    Size 14
    $16.99 $12.74 25% off with code THANKU
    60% off estimated retail
    Limited Too Rash Guard (view 2)Limited Too Rash Guard (view 1)Price Drop
    View Product: Limited Too Rash Guard

    Limited Too

    Rash Guard
    Size 14
    $11.99 $9.59 20% off with code THANKU
    63% off estimated retail
    Limited Too One Piece Swimsuit (view 2)Limited Too One Piece Swimsuit (view 1)Price Drop
    View Product: Limited Too One Piece Swimsuit

    Limited Too

    One Piece Swimsuit
    Size 14
    $10.99 $8.79 20% off with code THANKU
    66% off estimated retail
    Eddie Bauer Rash Guard (view 2)Eddie Bauer Rash Guard (view 1)Price Drop
    View Product: Eddie Bauer Rash Guard

    Eddie Bauer

    Rash Guard
    Size 14
    $10.99 $8.79 20% off with code THANKU
    66% 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 14
    $9.99 $7.99 20% off with code THANKU
    60% off estimated retail
    Limited Too One Piece Swimsuit (view 2)Limited Too One Piece Swimsuit (view 1)Price Drop
    View Product: Limited Too One Piece Swimsuit

    Limited Too

    One Piece Swimsuit
    Size 14
    $8.99 $7.19 20% off with code THANKU
    72% off estimated retail
    Assorted Brands Rash Guard (view 2)Assorted Brands Rash Guard (view 1)Price Drop
    View Product: Assorted Brands Rash Guard

    Assorted Brands

    Rash Guard
    Size 14
    $9.99 $7.99 20% off with code THANKU
    69% 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 14
    $8.99 $7.19 20% off with code THANKU
    55% off estimated retail
    Assorted Brands Rash Guard (view 2)Assorted Brands Rash Guard (view 1)Price Drop
    View Product: Assorted Brands Rash Guard

    Assorted Brands

    Rash Guard
    Size 14
    $6.99 $5.59 20% off with code THANKU
    77% off estimated retail
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