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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Filtering byGirls: swimwear
    Justice Size 8
    View Product: Justice Size 8

    Justice

    Size 8
    $18.99 $31

    $13.29 30% off with

    Baby Gap Size 18-24 mo
    View Product: Baby Gap Size 18-24 mo

    Baby Gap

    Size 18-24 mo
    $11.99 $25

    $8.39 30% off with

    Art Class Size Large youth
    View Product: Art Class Size Large youth

    Art Class

    Size Large youth
    $10.99 $19

    $7.69 30% off with

    Justice Size 12
    Price Drop BadgePrice Drop
    View Product: Justice Size 12

    Justice

    Size 12
    $9.99 $31

    $5.99 40% off with

    Unbranded Size Large kids
    View Product: Unbranded Size Large kids

    Unbranded

    Size Large kids
    $10.99 $31

    $7.69 30% off with

    Carter's Size 4T
    View Product: Carter's Size 4T

    Carter's

    Size 4T
    $9.99 $28

    $6.99 30% off with

    Assorted Brands Size Large kids
    View Product: Assorted Brands Size Large kids

    Assorted Brands

    Size Large kids
    $9.99 $31

    $5.99 40% off with

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

    Hanna Andersson

    Size 90 cm
    $20.99 $42

    $14.69 30% off with

    Unbranded Size Medium youth
    View Product: Unbranded Size Medium youth

    Unbranded

    Size Medium youth
    $10.99 $31

    $6.59 40% off with

    Carter's Size 7
    View Product: Carter's Size 7

    Carter's

    Size 7
    $12.99 $28

    $7.79 40% off with

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

    Assorted Brands

    Size Small kids
    $10.99 $26

    $6.59 40% off with

    Assorted Brands Size 130 cm
    View Product: Assorted Brands Size 130 cm

    Assorted Brands

    Size 130 cm
    $11.99 $31

    $8.39 30% off with

    Juicy Couture Size 8
    View Product: Juicy Couture Size 8

    Juicy Couture

    Size 8
    $18.99 $92

    $11.39 40% off with

    Assorted Brands Size 12
    View Product: Assorted Brands Size 12

    Assorted Brands

    Size 12
    $11.99 $31

    $8.39 30% off with

    Joe Boxer Size X-Large youth
    New With Tags BadgeNew With Tags
    View Product: Joe Boxer Size X-Large youth

    Joe Boxer

    Size X-Large youth
    $15.99 $18.99

    $9.59 40% off with

    Assorted Brands Size 4
    View Product: Assorted Brands Size 4

    Assorted Brands

    Size 4
    $11.99 $26

    $8.39 30% off with

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

    Carter's

    Size 12 mo
    $12.99 $34

    $9.09 30% off with

    Unbranded Size 3 mo
    View Product: Unbranded Size 3 mo

    Unbranded

    Size 3 mo
    $16.99 $41

    $11.89 30% off with

    Appaman Size 10
    Price Drop BadgePrice Drop
    View Product: Appaman Size 10

    Appaman

    Size 10
    $11.99 $38

    $7.19 40% off with

    Hanna Andersson Size 80 cm
    View Product: Hanna Andersson Size 80 cm

    Hanna Andersson

    Size 80 cm
    $15.99 $42

    $9.59 40% off with

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

    Carter's

    Size 9 mo
    $4.99 $24

    $2.49 50% off with

    Hanna Andersson Size 80 cm
    Price Drop BadgePrice Drop
    View Product: Hanna Andersson Size 80 cm

    Hanna Andersson

    Size 80 cm
    $11.99 $38

    $5.99 50% off with

    Unbranded Size 7
    View Product: Unbranded Size 7

    Unbranded

    Size 7
    $10.99 $31

    $7.69 30% off with

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

    Gymboree

    Size 2T
    $11.99 $25

    $7.19 40% off with

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

    Gymboree

    Size 2T
    $11.99 $25

    $7.19 40% off with

    Justice Size 14
    View Product: Justice Size 14

    Justice

    Size 14
    $13.99 $33

    $8.39 40% off with

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

    Assorted Brands

    Size 12
    $8.99 $31

    $4.49 50% off with

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

    Assorted Brands

    Size 12
    $8.99 $31

    $4.49 50% off with

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

    Assorted Brands

    Size 12
    $8.99 $31

    $4.49 50% off with

    Unbranded Size 3
    Price Drop BadgePrice Drop
    View Product: Unbranded Size 3

    Unbranded

    Size 3
    $11.99 $26

    $7.19 40% off with

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

    Assorted Brands

    Size 12
    $8.99 $31

    $4.49 50% off with

    Boden Size 4
    View Product: Boden Size 4

    Boden

    Size 4
    $10.99 $26

    $6.59 40% off with

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

    Assorted Brands

    Size 12
    $8.99 $31

    $4.49 50% off with

    Gymboree Size 8
    View Product: Gymboree Size 8

    Gymboree

    Size 8
    $10.99 $22

    $7.69 30% off with

    Old Navy Size 18-24 mo
    View Product: Old Navy Size 18-24 mo

    Old Navy

    Size 18-24 mo
    $9.99 $20

    $6.99 30% off with

    Cat & Jack Size 4T
    View Product: Cat & Jack Size 4T

    Cat & Jack

    Size 4T
    $16.99 $26

    $11.89 30% off with

    Carter's Size 24 mo
    View Product: Carter's Size 24 mo

    Carter's

    Size 24 mo
    $12.99 $34

    $9.09 30% off with

    Gymboree Size 7
    View Product: Gymboree Size 7

    Gymboree

    Size 7
    $9.99 $22

    $6.99 30% off with

    Jumping Beans Size 5
    View Product: Jumping Beans Size 5

    Jumping Beans

    Size 5
    $9.99 $24

    $6.99 30% off with

    Lands' End Size 5
    View Product: Lands' End Size 5

    Lands' End

    Size 5
    $9.99 $23

    $6.99 30% off with

    REI Size 3T
    View Product: REI Size 3T

    REI

    Size 3T
    $10.99 $32

    $7.69 30% off with

    Mud Pie Size 12
    View Product: Mud Pie Size 12

    Mud Pie

    Size 12
    $7.99 $31

    $5.59 30% off with

    Xhilaration Size 10
    View Product: Xhilaration Size 10

    Xhilaration

    Size 10
    $7.99 $15

    $5.59 30% off with

    Cat & Jack Size 10
    View Product: Cat & Jack Size 10

    Cat & Jack

    Size 10
    $10.99 $15

    $7.69 30% off with

    First Impressions Size 3-6 mo
    View Product: First Impressions Size 3-6 mo

    First Impressions

    Size 3-6 mo
    $7.99 $26

    $5.59 30% off with

    Justice Size 16
    View Product: Justice Size 16

    Justice

    Size 16
    $12.99 $31

    $7.79 40% off with

    Envya Swimwear Size 2T
    View Product: Envya Swimwear Size 2T

    Envya Swimwear

    Size 2T
    $12.99 $31

    $9.09 30% off with

    Baby Gap Size 5T
    View Product: Baby Gap Size 5T

    Baby Gap

    Size 5T
    $16.99 $25

    $11.89 30% off with

    Crewcuts Size 6
    View Product: Crewcuts Size 6

    Crewcuts

    Size 6
    $16.99 $46

    $11.89 30% off with

    Carter's Size 5T
    View Product: Carter's Size 5T

    Carter's

    Size 5T
    $13.99 $36

    $9.79 30% off with