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Girls' Swimwear

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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.

120 items
The Children's Place Size 18 mo
Price Drop
View Product: The Children's Place Size 18 mo

The Children's Place

Size 18 mo
$7.99 $17

$4.79 40% off with

Assorted Brands Size Medium kids
View Product: Assorted Brands Size Medium kids

Assorted Brands

Size Medium kids
$13.99 $26

$9.79 30% off with

Assorted Brands Size Medium kids
Rare Find
View Product: Assorted Brands Size Medium kids

Assorted Brands

Size Medium kids
$10.99 $26

$7.69 30% off with

Juicy Couture Size Medium kids
Price Drop
View Product: Juicy Couture Size Medium kids

Juicy Couture

Size Medium kids
$10.99 $77

$6.59 40% off with

Carter's Size 5
Price Drop
View Product: Carter's Size 5

Carter's

Size 5
$9.99 $28

$5.99 40% off with

Speedo Size X-Small youth
Price Drop
View Product: Speedo Size X-Small youth

Speedo

Size X-Small youth
$9.99 $23

$5.99 40% off with

Carter's Size 12 mo
Price Drop
View Product: Carter's Size 12 mo

Carter's

Size 12 mo
$10.99 $34

$6.59 40% off with

Lands' End Size 6X
Price Drop
View Product: Lands' End Size 6X

Lands' End

Size 6X
$10.99 $23

$6.59 40% off with

Gymboree Size 5
Price Drop
View Product: Gymboree Size 5

Gymboree

Size 5
$7.99 $22

$3.99 50% off with

Speedo Size X-Small kids
Price Drop
View Product: Speedo Size X-Small kids

Speedo

Size X-Small kids
$7.99 $19

$4.79 40% off with

Assorted Brands Size 6X
Price Drop
View Product: Assorted Brands Size 6X

Assorted Brands

Size 6X
$12.99 $31

$7.79 40% off with

Assorted Brands Size Medium tots
Price Drop
View Product: Assorted Brands Size Medium tots

Assorted Brands

Size Medium tots
$9.99 $26

$5.99 40% off with

Le Top Size 6X
Price Drop
View Product: Le Top Size 6X

Le Top

Size 6X
$11.99 $38

$7.19 40% off with

Carter's Size 12 mo
Price Drop
View Product: Carter's Size 12 mo

Carter's

Size 12 mo
$11.99 $34

$7.19 40% off with

Carter's Size 12 mo
Price Drop
View Product: Carter's Size 12 mo

Carter's

Size 12 mo
$12.99 $34

$7.79 40% off with

Xhilaration Size Medium kids
Price Drop
View Product: Xhilaration Size Medium kids

Xhilaration

Size Medium kids
$6.99 $13

$3.49 50% off with

Isabella & Chloe Size 6X
View Product: Isabella & Chloe Size 6X

Isabella & Chloe

Size 6X
$19.99 $61
Cat & Jack Size 12 mo
Price Drop
View Product: Cat & Jack Size 12 mo

Cat & Jack

Size 12 mo
$6.99 $10

$3.49 50% off with

InGear Size Medium kids
Price Drop
View Product: InGear Size Medium kids

InGear

Size Medium kids
$7.99 $26

$3.99 50% off with

Assorted Brands Size Small infants
Price Drop
View Product: Assorted Brands Size Small infants

Assorted Brands

Size Small infants
$7.99 $20

$3.99 50% off with

Carter's Size 18 mo
Price Drop
View Product: Carter's Size 18 mo

Carter's

Size 18 mo
$7.99 $24

$3.99 50% off with

Nickelodeon Size 18 mo
Price Drop
View Product: Nickelodeon Size 18 mo

Nickelodeon

Size 18 mo
$4.99 $24

$2.49 50% off with

Assorted Brands Size 12 mo
Price Drop
View Product: Assorted Brands Size 12 mo

Assorted Brands

Size 12 mo
$10.99 $20

$5.49 50% off with

Penelope Mack Size 12 mo
Price Drop
View Product: Penelope Mack Size 12 mo

Penelope Mack

Size 12 mo
$9.99 $20

$4.99 50% off with

First Impressions Size X-Small kids
Price Drop
View Product: First Impressions Size X-Small kids

First Impressions

Size X-Small kids
$10.99 $32

$5.49 50% off with

xcel Size 12-24 mo
Price Drop
View Product: xcel Size 12-24 mo

xcel

Size 12-24 mo
$6.99 $31

$3.49 50% off with

Garb Size 5T
Price Drop
View Product: Garb Size 5T

Garb

Size 5T
$7.99 $32

$3.99 50% off with

Gymboree Size 12-18 mo
Price Drop
View Product: Gymboree Size 12-18 mo

Gymboree

Size 12-18 mo
$9.99 $25

$4.99 50% off with

Tucker + Tate Size 5
View Product: Tucker + Tate Size 5

Tucker + Tate

Size 5
$12.99 $32
Penelope Mack Size 5
View Product: Penelope Mack Size 5

Penelope Mack

Size 5
$16.99 $26
Hanna Andersson Size 110 cm
View Product: Hanna Andersson Size 110 cm

Hanna Andersson

Size 110 cm
$22.99 $38
Carter's Size 12 mo
Rare Find
View Product: Carter's Size 12 mo

Carter's

Size 12 mo
$14.99 $34
Assorted Brands Size 12 mo
View Product: Assorted Brands Size 12 mo

Assorted Brands

Size 12 mo
$10.99 $20
OshKosh B'gosh Size 18 mo
View Product: OshKosh B'gosh Size 18 mo

OshKosh B'gosh

Size 18 mo
$11.99 $22
Old Navy Size 12-18 mo
View Product: Old Navy Size 12-18 mo

Old Navy

Size 12-18 mo
$9.99 $17
Carter's Size 18 mo
View Product: Carter's Size 18 mo

Carter's

Size 18 mo
$15.99 $24
Gap Kids Size X-Small kids
View Product: Gap Kids Size X-Small kids

Gap Kids

Size X-Small kids
$10.99 $30
Assorted Brands Size 5T
View Product: Assorted Brands Size 5T

Assorted Brands

Size 5T
$14.99 $26
Cat & Jack Size 18 mo
View Product: Cat & Jack Size 18 mo

Cat & Jack

Size 18 mo
$9.99 $10
Flapdoodles Size 18 mo
View Product: Flapdoodles Size 18 mo

Flapdoodles

Size 18 mo
$6.99 $10
Circo Size 12 mo
View Product: Circo Size 12 mo

Circo

Size 12 mo
$6.99 $13

$5.59 20% off with

SO Size 5
View Product: SO Size 5

SO

Size 5
$9.99 $19

$7.99 20% off with

Mud Pie Size 12-18 mo
View Product: Mud Pie Size 12-18 mo

Mud Pie

Size 12-18 mo
$10.99 $20

$8.79 20% off with

Circo Size 18 mo
View Product: Circo Size 18 mo

Circo

Size 18 mo
$6.99 $10

$5.59 20% off with

Carter's Size 18 mo
View Product: Carter's Size 18 mo

Carter's

Size 18 mo
$16.99 $34

$13.59 20% off with

Cat & Jack Size 12 mo
View Product: Cat & Jack Size 12 mo

Cat & Jack

Size 12 mo
$9.99 $10

$7.99 20% off with

Wonder Nation Size 5T
View Product: Wonder Nation Size 5T

Wonder Nation

Size 5T
$7.99 $13

$6.39 20% off with

Penelope Mack Size 12 mo
View Product: Penelope Mack Size 12 mo

Penelope Mack

Size 12 mo
$9.99 $20

$7.99 20% off with

Gymboree Size 12-18 mo
View Product: Gymboree Size 12-18 mo

Gymboree

Size 12-18 mo
$14.99 $25

$11.99 20% off with

Baby Gap Size 5
View Product: Baby Gap Size 5

Baby Gap

Size 5
$9.99 $20

$7.99 20% off with

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