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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.

323 items
OshKosh B'gosh Size 2T
View Product: OshKosh B'gosh Size 2T

OshKosh B'gosh

Size 2T
$8.99 $22

$6.29 30% off with

Disney Size 12 mo
Price Drop
View Product: Disney Size 12 mo

Disney

Size 12 mo
$7.99 $20

$5.59 30% off with

Pink Platinum Size 12 mo
Price Drop
View Product: Pink Platinum Size 12 mo

Pink Platinum

Size 12 mo
$6.99 $10

$3.49 50% off with

Hanna Andersson Size 75 cm
View Product: Hanna Andersson Size 75 cm

Hanna Andersson

Size 75 cm
$21.99 $38

$17.59 20% off with

Penny M. Size 12 mo
New with tags
View Product: Penny M. Size 12 mo

Penny M.

Size 12 mo
$15.99 $34

$11.19 30% off with

Baby Gap Size 2
Price Drop
View Product: Baby Gap Size 2

Baby Gap

Size 2
$11.99 $25

$8.39 30% off with

Hanna Andersson Size 90 cm
View Product: Hanna Andersson Size 90 cm

Hanna Andersson

Size 90 cm
$27.99 $42

$19.59 30% off with

Bloch Size 2
Price Drop
View Product: Bloch Size 2

Bloch

Size 2
$10.99 $20

$5.49 50% off with

Florence Eiseman Size 2T
View Product: Florence Eiseman Size 2T

Florence Eiseman

Size 2T
$28.99 $71

$20.29 30% off with

Disney Princess Size 12 mo
Price Drop
View Product: Disney Princess Size 12 mo

Disney Princess

Size 12 mo
$6.99 $10

$3.49 50% off with

Circo Size 12 mo
Price Drop
View Product: Circo Size 12 mo

Circo

Size 12 mo
$7.99 $13

$3.99 50% off with

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

Penelope Mack

Size 12 mo
$8.99 $20

$5.39 40% off with

Carter's Size 9 mo
Price Drop
View Product: Carter's Size 9 mo

Carter's

Size 9 mo
$10.99 $28

$6.59 40% off with

Cat & Jack Size 2T
Price Drop
View Product: Cat & Jack Size 2T

Cat & Jack

Size 2T
$7.99 $10

$3.99 50% off with

Armani Junior Size 2
Price Drop
View Product: Armani Junior Size 2

Armani Junior

Size 2
$7.99 $130

$3.99 50% off with

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

Carter's

Size 12 mo
$7.99 $34

$3.99 50% off with

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

Carter's

Size 12 mo
$9.99 $34

$4.99 50% off with

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

Carter's

Size 12 mo
$9.99 $34

$5.99 40% off with

Limited Too Size 2T
Price Drop
View Product: Limited Too Size 2T

Limited Too

Size 2T
$8.99 $20

$5.39 40% off with

Carter's Size 9-12 mo
Price Drop
View Product: Carter's Size 9-12 mo

Carter's

Size 9-12 mo
$4.99 $28

$2.99 40% off with

Janie and Jack Size 2T
View Product: Janie and Jack Size 2T

Janie and Jack

Size 2T
$14.99 $39

$10.49 30% off with

Absorba Size 2T
Price Drop
View Product: Absorba Size 2T

Absorba

Size 2T
$5.99 $15

$2.99 50% off with

I Play Size 12 mo
Price Drop
View Product: I Play Size 12 mo

I Play

Size 12 mo
$4.99 $10

$2.49 50% off with

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

Penelope Mack

Size 12 mo
$4.99 $20

$2.49 50% off with

Koala Baby Size 9 mo
Price Drop
View Product: Koala Baby Size 9 mo

Koala Baby

Size 9 mo
$4.99 $10

$2.99 40% off with

Sweet & Soft Size 2T
Price Drop
View Product: Sweet & Soft Size 2T

Sweet & Soft

Size 2T
$7.99 $10

$3.99 50% off with

InGear Size 2T
Price Drop
View Product: InGear Size 2T

InGear

Size 2T
$11.99 $20

$7.19 40% off with

Circo Size 2T
Price Drop
View Product: Circo Size 2T

Circo

Size 2T
$6.99 $10

$3.49 50% off with

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

Assorted Brands

Size 12 mo
$4.99 $20

$2.49 50% off with

Sweet Potatoes Size 2T
Price Drop
View Product: Sweet Potatoes Size 2T

Sweet Potatoes

Size 2T
$4.99 $20

$2.49 50% off with

2Chilles Size 12 mo
Price Drop
View Product: 2Chilles Size 12 mo

2Chilles

Size 12 mo
$4.99 $26

$2.49 50% off with

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

Carter's

Size 12 mo
$4.99 $34

$2.49 50% off with

Old Navy Size 2T
Price Drop
View Product: Old Navy Size 2T

Old Navy

Size 2T
$6.99 $17

$3.49 50% off with

Old Navy Size 2T
Price Drop
View Product: Old Navy Size 2T

Old Navy

Size 2T
$7.99 $17

$5.59 30% off with

Assorted Brands Size 2
Price Drop
View Product: Assorted Brands Size 2

Assorted Brands

Size 2
$8.99 $20

$6.29 30% 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

Gymboree Size 2T
Price Drop
View Product: Gymboree Size 2T

Gymboree

Size 2T
$10.99 $25

$7.69 30% off with

Carter's Size 9 mo
Price Drop
View Product: Carter's Size 9 mo

Carter's

Size 9 mo
$10.99 $28

$7.69 30% off with

Les Tout Petits Size 2
View Product: Les Tout Petits Size 2

Les Tout Petits

Size 2
$17.99 $61

$12.59 30% off with

Assorted Brands Size 2T
Price Drop
View Product: Assorted Brands Size 2T

Assorted Brands

Size 2T
$7.99 $20

$4.79 40% off with

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

Hula Star Size 2T
Price Drop
View Product: Hula Star Size 2T

Hula Star

Size 2T
$8.99 $15

$5.39 40% off with

Old Navy Size 2T
Price Drop
View Product: Old Navy Size 2T

Old Navy

Size 2T
$7.99 $17

$4.79 40% off with

Gymboree Size 2T
Price Drop
View Product: Gymboree Size 2T

Gymboree

Size 2T
$11.99 $25

$7.19 40% off with

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

Assorted Brands

Size 12 mo
$8.99 $20

$5.39 40% off with

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

Cat & Jack

Size 12 mo
$7.99 $16

$4.79 40% off with

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

Carter's

Size 12 mo
$7.99 $34

$3.99 50% off with

O'Neill Size 2
Price Drop
View Product: O'Neill Size 2

O'Neill

Size 2
$8.99 $20

$5.39 40% off with

Old Navy Size 2T
Price Drop
View Product: Old Navy Size 2T

Old Navy

Size 2T
$6.99 $17

$4.19 40% off with

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