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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.

1,798 items
Speedo Size 14

View Product: Speedo Size 14

Speedo

Size 14
$12.99 $24
Carter's Size 12 mo
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View Product: Carter's Size 12 mo

Carter's

Size 12 mo
$8.99 $34

$5.39 40% off with

Janie and Jack Size 6-12 mo
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View Product: Janie and Jack Size 6-12 mo

Janie and Jack

Size 6-12 mo
$9.99 $39

$5.99 40% off with

Old Navy Size 12-18 mo
Price Drop BadgePrice Drop

View Product: Old Navy Size 12-18 mo

Old Navy

Size 12-18 mo
$8.99 $17

$5.39 40% off with

PilyQ Size 12-18 mo

View Product: PilyQ Size 12-18 mo

PilyQ

Size 12-18 mo
$22.99 $61

$16.09 30% off with

Janie and Jack Size 6-12 mo

View Product: Janie and Jack Size 6-12 mo

Janie and Jack

Size 6-12 mo
$13.99 $39

$11.19 20% off with

Carter's Size 6 mo

View Product: Carter's Size 6 mo

Carter's

Size 6 mo
$10.99 $28

$8.79 20% off with

Crazy 8 Size 12-18 mo

View Product: Crazy 8 Size 12-18 mo

Crazy 8

Size 12-18 mo
$6.99 $17
OshKosh B'gosh Size 9 mo

View Product: OshKosh B'gosh Size 9 mo

OshKosh B'gosh

Size 9 mo
$8.99 $22

$7.19 20% off with

Op Size 0-3 mo

View Product: Op Size 0-3 mo

Op

Size 0-3 mo
$4.99 $10
Marimekko for Target Size Large youth
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View Product: Marimekko for Target Size Large youth

Marimekko for Target

Size Large youth
$10.99 $24.99

$8.79 20% off with

Assorted Brands Size Large youth

View Product: Assorted Brands Size Large youth

Assorted Brands

Size Large youth
$11.99 $31

$9.59 20% off with

Flap Happy Size 18 mo

View Product: Flap Happy Size 18 mo

Flap Happy

Size 18 mo
$7.99 $10

$6.39 20% off with

Op Size 18 mo

View Product: Op Size 18 mo

Op

Size 18 mo
$4.99 $10
Disney Size 2T

View Product: Disney Size 2T

Disney

Size 2T
$9.99 $20

$7.99 20% off with

Gymboree Size 5

View Product: Gymboree Size 5

Gymboree

Size 5
$9.99 $25

$7.99 20% off with

Justice Size 8

View Product: Justice Size 8

Justice

Size 8
$13.99 $31

$11.19 20% off with

Carter's Size 18 mo

View Product: Carter's Size 18 mo

Carter's

Size 18 mo
$12.99 $34

$10.39 20% off with

Sol Swim Size 2T

View Product: Sol Swim Size 2T

Sol Swim

Size 2T
$8.99 $20

$7.19 20% off with

Penelope Mack Size 4T

View Product: Penelope Mack Size 4T

Penelope Mack

Size 4T
$11.99 $26

$9.59 20% off with

Flapdoodles Size 8

View Product: Flapdoodles Size 8

Flapdoodles

Size 8
$7.99 $15

$6.39 20% off with

Cat & Jack Size 4T

View Product: Cat & Jack Size 4T

Cat & Jack

Size 4T
$7.99 $13

$6.39 20% off with

Old Navy Size 2T

View Product: Old Navy Size 2T

Old Navy

Size 2T
$7.99 $17

$6.39 20% off with

Koala Kids Size 3T

View Product: Koala Kids Size 3T

Koala Kids

Size 3T
$6.99 $13
Betsey Johnson Size 2T
New With Tags BadgeNew With Tags

View Product: Betsey Johnson Size 2T

Betsey Johnson

Size 2T
$12.99 $36

$10.39 20% off with

Marimekko for Target Size Large youth
New With Tags BadgeNew With Tags

View Product: Marimekko for Target Size Large youth

Marimekko for Target

Size Large youth
$10.99 $23

$8.79 20% off with

Carter's Size 18 mo
Price Drop BadgePrice Drop

View Product: Carter's Size 18 mo

Carter's

Size 18 mo
$10.99 $34

$6.59 40% off with

Floatimini Size 3T
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View Product: Floatimini Size 3T

Floatimini

Size 3T
$14.99 $64

$7.49 50% off with

Snapper Rock Size 10
Price Drop BadgePrice Drop

View Product: Snapper Rock Size 10

Snapper Rock

Size 10
$14.99 $23

$8.99 40% off with

Carter's Size 3 mo

View Product: Carter's Size 3 mo

Carter's

Size 3 mo
$10.99 $24

$7.69 30% off with

Coolibar Size Large youth

View Product: Coolibar Size Large youth

Coolibar

Size Large youth
$14.99 $46

$10.49 30% off with

H&M Size 4

View Product: H&M Size 4

H&M

Size 4
$10.99 $15

$8.79 20% off with

TYR Size 6

View Product: TYR Size 6

TYR

Size 6
$12.99 $31

$10.39 20% off with

Angel Beach Size 2T

View Product: Angel Beach Size 2T

Angel Beach

Size 2T
$7.99 $10

$6.39 20% off with

Malibu Kids Size Small youth

View Product: Malibu Kids Size Small youth

Malibu Kids

Size Small youth
$4.99 $15
Op Size 24 mo

View Product: Op Size 24 mo

Op

Size 24 mo
$4.99 $10
Cat & Jack Size 4
New With Tags BadgeNew With Tags

View Product: Cat & Jack Size 4

Cat & Jack

Size 4
$8.99 $14.99

$7.19 20% off with

Assorted Brands Size 3

View Product: Assorted Brands Size 3

Assorted Brands

Size 3
$10.99 $26

$8.79 20% off with

Crazy 8 Size 12-18 mo

View Product: Crazy 8 Size 12-18 mo

Crazy 8

Size 12-18 mo
$11.99 $17

$9.59 20% off with

Justice Size 14

View Product: Justice Size 14

Justice

Size 14
$13.99 $31

$11.19 20% off with

Bloch Size 6X

View Product: Bloch Size 6X

Bloch

Size 6X
$15.99 $31

$12.79 20% off with

Zara Size 7

View Product: Zara Size 7

Zara

Size 7
$15.99 $38

$12.79 20% off with

Unbranded Size 4

View Product: Unbranded Size 4

Unbranded

Size 4
$9.99 $26

$7.99 20% off with

Ralph Lauren Size 18 mo

View Product: Ralph Lauren Size 18 mo

Ralph Lauren

Size 18 mo
$11.99 $50

$9.59 20% off with

Circo Size 12 mo

View Product: Circo Size 12 mo

Circo

Size 12 mo
$6.99 $13
UV Skinz Size 2T

View Product: UV Skinz Size 2T

UV Skinz

Size 2T
$8.99 $26

$7.19 20% off with

Cat & Jack Size 9 mo

View Product: Cat & Jack Size 9 mo

Cat & Jack

Size 9 mo
$6.99 $10
Crazy 8 Size 3T

View Product: Crazy 8 Size 3T

Crazy 8

Size 3T
$7.99 $19

$6.39 20% off with

Speedo Size 6

View Product: Speedo Size 6

Speedo

Size 6
$12.99 $23

$10.39 20% off with

Janie and Jack Size 3

View Product: Janie and Jack Size 3

Janie and Jack

Size 3
$8.99 $29

$7.19 20% off with