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.

2,931 items
Justice Size 6
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View Product: Justice Size 6

Justice

Size 6
$9.99 $31

$5.99 40% off with

Rockets of Awesome Size 10
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View Product: Rockets of Awesome Size 10

Rockets of Awesome

Size 10
$10.99 $61

$6.59 40% off with

Assorted Brands Size 8
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View Product: Assorted Brands Size 8

Assorted Brands

Size 8
$3.99 $31
Koala Kids Size 6 mo
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View Product: Koala Kids Size 6 mo

Koala Kids

Size 6 mo
$6.99 $10
Carter's Size 18 mo
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View Product: Carter's Size 18 mo

Carter's

Size 18 mo
$4.99 $34
Roxy Size 10

View Product: Roxy Size 10

Roxy

Size 10
$10.99 $38

$6.59 40% off with

ZeroXposur Size 6
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View Product: ZeroXposur Size 6

ZeroXposur

Size 6
$9.99 $26
Billabong Size X-Large youth
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View Product: Billabong Size X-Large youth

Billabong

Size X-Large youth
$9.99 $38

$5.99 40% off with

Disney Size 4T

View Product: Disney Size 4T

Disney

Size 4T
$10.99 $25

$8.79 20% off with

Carter's Size 6-9 mo

View Product: Carter's Size 6-9 mo

Carter's

Size 6-9 mo
$13.99 $41

$11.19 20% off with

Gymboree Size 2T

View Product: Gymboree Size 2T

Gymboree

Size 2T
$8.99 $25

$7.19 20% off with

Baby Gap Size 12-18 mo

View Product: Baby Gap Size 12-18 mo

Baby Gap

Size 12-18 mo
$10.99 $25

$8.79 20% off with

Cat & Jack Size 18 mo

View Product: Cat & Jack Size 18 mo

Cat & Jack

Size 18 mo
$9.99 $10
Justice Size 12

View Product: Justice Size 12

Justice

Size 12
$13.99 $31

$11.19 20% off with

Pink Platinum Size 4
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View Product: Pink Platinum Size 4

Pink Platinum

Size 4
$8.99 $13

$7.19 20% off with

Gap Kids Size 14

View Product: Gap Kids Size 14

Gap Kids

Size 14
$15.99 $30

$12.79 20% off with

Betsey Johnson Size 2T

View Product: Betsey Johnson Size 2T

Betsey Johnson

Size 2T
$8.99 $26

$7.19 20% off with

Skechers Size 12 mo
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View Product: Skechers Size 12 mo

Skechers

Size 12 mo
$14.99 $26

$11.99 20% off with

Gossip Girl Size 14

View Product: Gossip Girl Size 14

Gossip Girl

Size 14
$15.99 $31

$12.79 20% off with

Rock Candy Size 3T
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View Product: Rock Candy Size 3T

Rock Candy

Size 3T
$9.99 $24

$7.99 20% off with

Circo Size 10

View Product: Circo Size 10

Circo

Size 10
$7.99 $15

$6.39 20% off with

Hanna Andersson Size 140 cm

View Product: Hanna Andersson Size 140 cm

Hanna Andersson

Size 140 cm
$19.99 $38

$15.99 20% off with

Justice Size 8

View Product: Justice Size 8

Justice

Size 8
$16.99 $31

$13.59 20% off with

Dolfin Size 14

View Product: Dolfin Size 14

Dolfin

Size 14
$8.99 $19

$7.19 20% off with

Assorted Brands Size 4
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View Product: Assorted Brands Size 4

Assorted Brands

Size 4
$7.99 $26

$6.39 20% off with

Old Navy Size Large tots
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View Product: Old Navy Size Large tots

Old Navy

Size Large tots
$7.99 $17

$6.39 20% off with

Old Navy Size 6-12 mo
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View Product: Old Navy Size 6-12 mo

Old Navy

Size 6-12 mo
$6.99 $17
Hanna Andersson Size 80 cm
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View Product: Hanna Andersson Size 80 cm

Hanna Andersson

Size 80 cm
$14.99 $38

$7.49 50% off with

Hanna Andersson Size 100 cm
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View Product: Hanna Andersson Size 100 cm

Hanna Andersson

Size 100 cm
$14.99 $38

$7.49 50% off with

Floatimini Size 3T

View Product: Floatimini Size 3T

Floatimini

Size 3T
$17.99 $64

$10.79 40% off with

Hanna Andersson Size 80 cm

View Product: Hanna Andersson Size 80 cm

Hanna Andersson

Size 80 cm
$19.99 $38

$13.99 30% off with

Garnet Hill Size 14
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View Product: Garnet Hill Size 14

Garnet Hill

Size 14
$14.99 $31

$7.49 50% off with

Assorted Brands Size 14
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View Product: Assorted Brands Size 14

Assorted Brands

Size 14
$13.99 $31

$8.39 40% off with

Speedo Size 6X

View Product: Speedo Size 6X

Speedo

Size 6X
$8.99 $23

$7.19 20% off with

Crewcuts Size 16
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View Product: Crewcuts Size 16

Crewcuts

Size 16
$15.99 $46

$9.59 40% off with

Juicy Couture Size 14
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View Product: Juicy Couture Size 14

Juicy Couture

Size 14
$13.99 $92

$6.99 50% off with

Columbia Size Large youth
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View Product: Columbia Size Large youth

Columbia

Size Large youth
$9.99 $31

$5.99 40% off with

Trina Turk Size Medium youth
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View Product: Trina Turk Size Medium youth

Trina Turk

Size Medium youth
$18.99 $77

$11.39 40% off with

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

Carter's

Size 12 mo
$13.99 $34

$8.39 40% off with

Lands' End Size 10
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View Product: Lands' End Size 10

Lands' End

Size 10
$12.99 $31

$7.79 40% off with

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

Carter's

Size 12 mo
$12.99 $34

$7.79 40% off with

Carter's Size 2T
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View Product: Carter's Size 2T

Carter's

Size 2T
$15.99 $34

$9.59 40% off with

Lands' End Size 6

View Product: Lands' End Size 6

Lands' End

Size 6
$13.99 $27

$11.19 20% off with

Assorted Brands Size X-Small kids
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View Product: Assorted Brands Size X-Small kids

Assorted Brands

Size X-Small kids
$10.99 $28

$8.79 20% off with

Assorted Brands Size 10

View Product: Assorted Brands Size 10

Assorted Brands

Size 10
$12.99 $31

$10.39 20% off with

Lands' End Size 7

View Product: Lands' End Size 7

Lands' End

Size 7
$10.99 $27

$8.79 20% off with

Circo Size 2T

View Product: Circo Size 2T

Circo

Size 2T
$9.99 $13
Assorted Brands Size 14

View Product: Assorted Brands Size 14

Assorted Brands

Size 14
$14.99 $31

$11.99 20% off with

Gap Kids Size 4

View Product: Gap Kids Size 4

Gap Kids

Size 4
$12.99 $30

$10.39 20% off with

Gap Kids Size Large kids

View Product: Gap Kids Size Large kids

Gap Kids

Size Large kids
$15.99 $40

$12.79 20% off with