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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.

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1,532 items
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Carter's Size 12 moPrice Drop BadgePrice Drop

View Product: Carter's Size 12 mo

Carter's

Size 12 mo
$11.99 $36

$5.99 50% off with sign up

First Impressions Size 12 moPrice Drop BadgePrice Drop

View Product: First Impressions Size 12 mo

First Impressions

Size 12 mo
$10.99 $27

$5.49 50% off with sign up

Gap Kids Size Medium kidsPrice Drop BadgePrice Drop

View Product: Gap Kids Size Medium kids

Gap Kids

Size Medium kids
$9.99 $30

$4.99 50% off with sign up

Carter's Size 12 moPrice Drop BadgePrice Drop

View Product: Carter's Size 12 mo

Carter's

Size 12 mo
$9.99 $36

$4.99 50% off with sign up

Forever Classic, Get perfectly polished in trousers, blazers, and more.
Carter's Size 12 moPrice Drop BadgePrice Drop

View Product: Carter's Size 12 mo

Carter's

Size 12 mo
$12.99 $36

$6.49 50% off with sign up

Carter's Size 12 moPrice Drop BadgePrice Drop

View Product: Carter's Size 12 mo

Carter's

Size 12 mo
$8.99 $36

$5.39 40% off with sign up

Gap Kids Size 2X-large kidsPrice Drop BadgePrice Drop

View Product: Gap Kids Size 2X-large kids

Gap Kids

Size 2X-large kids
$11.99 $43

$4.80 60% off with sign up

Laguna Size 12Price Drop BadgePrice Drop

View Product: Laguna Size 12

Laguna

Size 12
$11.99 $25

$5.99 50% off with sign up

Body Glove Size 12Price Drop BadgePrice Drop

View Product: Body Glove Size 12

Body Glove

Size 12
$9.99 $41

$4.99 50% off with sign up

L.L.Bean Size 10Price Drop BadgePrice Drop

View Product: L.L.Bean Size 10

L.L.Bean

Size 10
$9.99 $33

$4.99 50% off with sign up

Cat & Jack Size 18 moPrice Drop BadgePrice Drop

View Product: Cat & Jack Size 18 mo

Cat & Jack

Size 18 mo
$9.99 $17

$4.99 50% off with sign up

Carter's Size 24 moPrice Drop BadgePrice Drop

View Product: Carter's Size 24 mo

Carter's

Size 24 mo
$11.99 $36

$5.99 50% off with sign up

Floatimini Size 4TPrice Drop BadgePrice Drop

View Product: Floatimini Size 4T

Floatimini

Size 4T
$8.99 $64

$5.39 40% off with sign up

Speedo Size 14Price Drop BadgePrice Drop

View Product: Speedo Size 14

Speedo

Size 14
$38.99 $73

$19.50 50% off with sign up

Jumping Beans Size 24 moPrice Drop BadgePrice Drop

View Product: Jumping Beans Size 24 mo

Jumping Beans

Size 24 mo
$9.99 $30

$4.99 50% off with sign up

Carter's Size 24 moPrice Drop BadgePrice Drop

View Product: Carter's Size 24 mo

Carter's

Size 24 mo
$8.99 $36

$5.39 40% off with sign up

Carter's Size 18 moPrice Drop BadgePrice Drop

View Product: Carter's Size 18 mo

Carter's

Size 18 mo
$12.99 $36

$6.49 50% off with sign up

Athleta Size 6Price Drop BadgePrice Drop

View Product: Athleta Size 6

Athleta

Size 6
$19.99 $49

$9.99 50% off with sign up

Carter's Size 4TPrice Drop BadgePrice Drop

View Product: Carter's Size 4T

Carter's

Size 4T
$14.99 $39

$7.49 50% off with sign up

Baby Gap Size 6-12 moPrice Drop BadgePrice Drop

View Product: Baby Gap Size 6-12 mo

Baby Gap

Size 6-12 mo
$10.99 $27

$5.49 50% off with sign up

Body Wrappers Size Large kidsPrice Drop BadgePrice Drop

View Product: Body Wrappers Size Large kids

Body Wrappers

Size Large kids
$12.99 $25

$6.49 50% off with sign up

Carter's Size 6 moPrice Drop BadgePrice Drop

View Product: Carter's Size 6 mo

Carter's

Size 6 mo
$12.99 $30

$6.49 50% off with sign up

Kate Mack Size 12 moPrice Drop BadgePrice Drop

View Product: Kate Mack Size 12 mo

Kate Mack

Size 12 mo
$7.99 $22

$5.59 30% off with sign up

Carter's Size 3 moPrice Drop BadgePrice Drop

View Product: Carter's Size 3 mo

Carter's

Size 3 mo
$17.99 $44

$8.99 50% off with sign up

Justice Size 8Price Drop BadgePrice Drop

View Product: Justice Size 8

Justice

Size 8
$10.99 $33

$5.49 50% off with sign up

Assorted Brands Size 4TPrice Drop BadgePrice Drop

View Product: Assorted Brands Size 4T

Assorted Brands

Size 4T
$9.99 $27

$4.99 50% off with sign up

Gossip Girl Size 14Price Drop BadgePrice Drop

View Product: Gossip Girl Size 14

Gossip Girl

Size 14
$10.99 $33

$5.49 50% off with sign up

Heat Size 12 moPrice Drop BadgePrice Drop

View Product: Heat Size 12 mo

Heat

Size 12 mo
$9.99 $16

$4.99 50% off with sign up

Butter Size 3-6 moPrice Drop BadgePrice Drop

View Product: Butter Size 3-6 mo

Butter

Size 3-6 mo
$10.99 $33

$5.49 50% off with sign up

Crewcuts Size 8Price Drop BadgePrice Drop

View Product: Crewcuts Size 8

Crewcuts

Size 8
$14.99 $49

$7.49 50% off with sign up

Gymboree Size 12Price Drop BadgePrice Drop

View Product: Gymboree Size 12

Gymboree

Size 12
$15.99 $27

$7.99 50% off with sign up

Justice Size 6Price Drop BadgePrice Drop

View Product: Justice Size 6

Justice

Size 6
$14.99 $35

$7.49 50% off with sign up

H&M Size 2Price Drop BadgePrice Drop

View Product: H&M Size 2

H&M

Size 2
$7.99 $16

$5.59 30% off with sign up

Carter's Size 3TPrice Drop BadgePrice Drop

View Product: Carter's Size 3T

Carter's

Size 3T
$8.99 $30

$5.39 40% off with sign up

Justice Size 14Price Drop BadgePrice Drop

View Product: Justice Size 14

Justice

Size 14
$10.99 $33

$5.49 50% off with sign up

Unbranded Size 70 cmPrice Drop BadgePrice Drop

View Product: Unbranded Size 70 cm

Unbranded

Size 70 cm
$9.99 $22

$4.99 50% off with sign up

Sol Angeles Size 3TPrice Drop BadgePrice Drop

View Product: Sol Angeles Size 3T

Sol Angeles

Size 3T
$36.99 $68

$18.50 50% off with sign up

Breaking Waves Size 5Price Drop BadgePrice Drop

View Product: Breaking Waves Size 5

Breaking Waves

Size 5
$9.99 $17

$4.99 50% off with sign up

Lands' End Size 7Price Drop BadgePrice Drop

View Product: Lands' End Size 7

Lands' End

Size 7
$11.99 $25

$5.99 50% off with sign up

Roxy Size 14Price Drop BadgePrice Drop

View Product: Roxy Size 14

Roxy

Size 14
$10.99 $41

$5.49 50% off with sign up

Justice Size 12Price Drop BadgePrice Drop

View Product: Justice Size 12

Justice

Size 12
$15.99 $35

$7.99 50% off with sign up

Cat & Jack Size 12 moPrice Drop BadgePrice Drop

View Product: Cat & Jack Size 12 mo

Cat & Jack

Size 12 mo
$10.99 $20

$5.49 50% off with sign up

Isabella & Chloe Size 18 moPrice Drop BadgePrice Drop

View Product: Isabella & Chloe Size 18 mo

Isabella & Chloe

Size 18 mo
$10.99 $44

$5.49 50% off with sign up

Justice Size 14Price Drop BadgePrice Drop

View Product: Justice Size 14

Justice

Size 14
$11.99 $33

$5.99 50% off with sign up

Dakine Size Large kidsPrice Drop BadgePrice Drop

View Product: Dakine Size Large kids

Dakine

Size Large kids
$12.99 $82

$5.20 60% off with sign up

Dakine Size Large kidsPrice Drop BadgePrice Drop

View Product: Dakine Size Large kids

Dakine

Size Large kids
$12.99 $82

$5.20 60% off with sign up

Dakine Size 10Price Drop BadgePrice Drop

View Product: Dakine Size 10

Dakine

Size 10
$11.99 $82

$4.80 60% off with sign up

Old Navy Size X-Small kidsPrice Drop BadgePrice Drop

View Product: Old Navy Size X-Small kids

Old Navy

Size X-Small kids
$9.99 $18

$4.99 50% off with sign up

Zara Size 9Price Drop BadgePrice Drop

View Product: Zara Size 9

Zara

Size 9
$17.99 $41

$8.99 50% off with sign up

Rip Curl Size 10Price Drop BadgePrice Drop

View Product: Rip Curl Size 10

Rip Curl

Size 10
$15.99 $49

$7.99 50% off with sign up

Crazy 8 Size 2TPrice Drop BadgePrice Drop

View Product: Crazy 8 Size 2T

Crazy 8

Size 2T
$7.99 $18

$5.59 30% off with sign up

Hanna Andersson Size 8Price Drop BadgePrice Drop

View Product: Hanna Andersson Size 8

Hanna Andersson

Size 8
$18.99 $41

$7.60 60% off with sign up

Justice Size 6Price Drop BadgePrice Drop

View Product: Justice Size 6

Justice

Size 6
$11.99 $35

$4.80 60% off with sign up

TU Size 7Price Drop BadgePrice Drop

View Product: TU Size 7

TU

Size 7
$10.99 $41

$5.49 50% off with sign up

Assorted Brands Size Medium kidsPrice Drop BadgePrice Drop

View Product: Assorted Brands Size Medium kids

Assorted Brands

Size Medium kids
$11.99 $38

$5.99 50% off with sign up

Assorted Brands Size 14Price Drop BadgePrice Drop

View Product: Assorted Brands Size 14

Assorted Brands

Size 14
$8.99 $33

$5.39 40% off with sign up

OshKosh B'gosh Size 14Price Drop BadgePrice Drop

View Product: OshKosh B'gosh Size 14

OshKosh B'gosh

Size 14
$8.99 $27

$5.39 40% off with sign up

Floatimini Size 24 moPrice Drop BadgePrice Drop

View Product: Floatimini Size 24 mo

Floatimini

Size 24 mo
$17.99 $55

$8.99 50% off with sign up

Lands' End Size 5Price Drop BadgePrice Drop

View Product: Lands' End Size 5

Lands' End

Size 5
$8.99 $25

$5.39 40% off with sign up

Justice Size 12Price Drop BadgePrice Drop

View Product: Justice Size 12

Justice

Size 12
$10.99 $33

$5.49 50% off with sign up

Maaji Size 10Price Drop BadgePrice Drop

View Product: Maaji Size 10

Maaji

Size 10
$19.99 $98

$9.99 50% off with sign up

Roxy Size 14Price Drop BadgePrice Drop

View Product: Roxy Size 14

Roxy

Size 14
$11.99 $41

$5.99 50% off with sign up

Old Navy Size 3TPrice Drop BadgePrice Drop

View Product: Old Navy Size 3T

Old Navy

Size 3T
$9.99 $18

$4.99 50% off with sign up

Wave Zone Size 3TPrice Drop BadgePrice Drop

View Product: Wave Zone Size 3T

Wave Zone

Size 3T
$9.99 $14

$4.99 50% off with sign up

SO Size 10Price Drop BadgePrice Drop

View Product: SO Size 10

SO

Size 10
$9.99 $25

$4.99 50% off with sign up

Carter's Size 18 moNew With Tags BadgeNew With Tags

View Product: Carter's Size 18 mo

Carter's

Size 18 mo
$13.99 $34

$6.99 50% off with sign up

Disney Size 18 moPrice Drop BadgePrice Drop

View Product: Disney Size 18 mo

Disney

Size 18 mo
$9.99 $21

$4.99 50% off with sign up

Juicy Couture Size 12-24 moPrice Drop BadgePrice Drop

View Product: Juicy Couture Size 12-24 mo

Juicy Couture

Size 12-24 mo
$9.99 $65

$4.99 50% off with sign up

PilyQ Size 18-24 moPrice Drop BadgePrice Drop

View Product: PilyQ Size 18-24 mo

PilyQ

Size 18-24 mo
$14.99 $65

$6.00 60% off with sign up

Assorted Brands Size 6Price Drop BadgePrice Drop

View Product: Assorted Brands Size 6

Assorted Brands

Size 6
$18.99 $65

$9.49 50% off with sign up

Rip Curl Size 12Price Drop BadgePrice Drop

View Product: Rip Curl Size 12

Rip Curl

Size 12
$20.99 $49

$10.49 50% off with sign up

Shade Critters Size 6-12 moPrice Drop BadgePrice Drop

View Product: Shade Critters Size 6-12 mo

Shade Critters

Size 6-12 mo
$10.99 $44

$5.49 50% off with sign up

Gymboree Size 6-12 moPrice Drop BadgePrice Drop

View Product: Gymboree Size 6-12 mo

Gymboree

Size 6-12 mo
$10.99 $27

$5.49 50% off with sign up

Popreal Size 110 cmPrice Drop BadgePrice Drop

View Product: Popreal Size 110 cm

Popreal

Size 110 cm
$13.99 $41

$6.99 50% off with sign up

Under Armour Size 7Price Drop BadgePrice Drop

View Product: Under Armour Size 7

Under Armour

Size 7
$11.99 $41

$4.80 60% off with sign up

ethinka Size Medium kidsPrice Drop BadgePrice Drop

View Product: ethinka Size Medium kids

ethinka

Size Medium kids
$8.99 $17

$5.39 40% off with sign up

OshKosh B'gosh Size 3TPrice Drop BadgePrice Drop

View Product: OshKosh B'gosh Size 3T

OshKosh B'gosh

Size 3T
$11.99 $24

$5.99 50% off with sign up

Old Navy Size 12-18 moPrice Drop BadgePrice Drop

View Product: Old Navy Size 12-18 mo

Old Navy

Size 12-18 mo
$7.99 $18

$5.59 30% off with sign up

Speedo Size 4Price Drop BadgePrice Drop

View Product: Speedo Size 4

Speedo

Size 4
$9.99 $20

$4.99 50% off with sign up

Peace of Cake Size 10Price Drop BadgePrice Drop

View Product: Peace of Cake Size 10

Peace of Cake

Size 10
$9.99 $25

$4.99 50% off with sign up

Cat & Jack Size 6Price Drop BadgePrice Drop

View Product: Cat & Jack Size 6

Cat & Jack

Size 6
$9.99 $20

$4.99 50% off with sign up

Crewcuts Size 4Price Drop BadgePrice Drop