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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.

553 items·
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Filtering byGirls: swimwear
    Radicool Size 10
    View Product: Radicool Size 10

    Radicool

    Size 10
    $11.99 $23

    $8.39 30% off with

    Radicool Size 12
    New with tags
    View Product: Radicool Size 12

    Radicool

    Size 12
    $11.99 $23

    $8.39 30% off with

    ZeroXposur Size 12
    Price Drop
    View Product: ZeroXposur Size 12

    ZeroXposur

    Size 12
    $29.99 $38

    $20.99 30% off with

    Radicool Size 8
    View Product: Radicool Size 8

    Radicool

    Size 8
    $11.99 $23

    $8.39 30% off with

    Carter's Size 18 mo
    Price Drop
    View Product: Carter's Size 18 mo

    Carter's

    Size 18 mo
    $16.99 $34

    $10.19 40% off with

    Ella Moss Size 7
    View Product: Ella Moss Size 7

    Ella Moss

    Size 7
    $34.99 $148

    $24.49 30% off with

    Radicool Size 8
    View Product: Radicool Size 8

    Radicool

    Size 8
    $11.99 $23

    $8.39 30% off with

    Radicool Size 10
    New with tags
    View Product: Radicool Size 10

    Radicool

    Size 10
    $11.99 $23

    $8.39 30% off with

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

    Assorted Brands

    Size Large kids
    $16.99 $31

    $11.89 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

    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

    YMI Size Small youth
    Price Drop
    View Product: YMI Size Small youth

    YMI

    Size Small youth
    $13.99 $24

    $9.79 30% off with

    Wonder Nation Size 14
    Price Drop
    View Product: Wonder Nation Size 14

    Wonder Nation

    Size 14
    $10.99 $15

    $6.59 40% off with

    Johnnie b Size 14
    Price Drop
    View Product: Johnnie b Size 14

    Johnnie b

    Size 14
    $14.99 $23

    $8.99 40% off with

    Beau Loves Size 4
    New with tags
    View Product: Beau Loves Size 4

    Beau Loves

    Size 4
    $16.99 $26

    $11.89 30% off with

    Polarn O. Pyret Size 10
    New with tags
    View Product: Polarn O. Pyret Size 10

    Polarn O. Pyret

    Size 10
    $14.99 $29.5

    $10.49 30% off with

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

    Carter's

    Size 9 mo
    $15.99 $28

    $11.19 30% off with

    Sunspecs Size X-Large youth
    View Product: Sunspecs Size X-Large youth

    Sunspecs

    Size X-Large youth
    $9.99 $23

    $6.99 30% off with

    Assorted Brands Size 2
    View Product: Assorted Brands Size 2

    Assorted Brands

    Size 2
    $13.99 $20

    $9.79 30% off with

    Radicool Size 10
    New with tags
    View Product: Radicool Size 10

    Radicool

    Size 10
    $10.99 $23

    $7.69 30% off with

    Hanna Andersson Size 110 cm
    View Product: Hanna Andersson Size 110 cm

    Hanna Andersson

    Size 110 cm
    $20.99 $38

    $14.69 30% off with

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

    Carter's

    Size 9 mo
    $8.99 $24

    $6.29 30% off with

    Cherokee Size 6
    View Product: Cherokee Size 6

    Cherokee

    Size 6
    $10.99 $15

    $7.69 30% off with

    Roxy Girl Size 2
    View Product: Roxy Girl Size 2

    Roxy Girl

    Size 2
    $15.99 $20

    $11.19 30% off with

    Tommy Bahama Size 10
    View Product: Tommy Bahama Size 10

    Tommy Bahama

    Size 10
    $10.99 $38

    $7.69 30% off with

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

    Carter's

    Size 12 mo
    $10.99 $24

    $7.69 30% off with

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

    Lands' End

    Size 10
    $10.99 $23

    $7.69 30% off with

    Assorted Brands Size 8
    View Product: Assorted Brands Size 8

    Assorted Brands

    Size 8
    $16.99 $31

    $11.89 30% off with

    Assorted Brands Size 8
    New with tags
    View Product: Assorted Brands Size 8

    Assorted Brands

    Size 8
    $15.99 $31

    $11.19 30% off with

    Disney Size 18 mo
    View Product: Disney Size 18 mo

    Disney

    Size 18 mo
    $10.99 $20

    $7.69 30% off with

    Radicool Size 10
    New with tags
    View Product: Radicool Size 10

    Radicool

    Size 10
    $12.99 $23

    $9.09 30% off with

    Assorted Brands Size 4T
    Price Drop
    View Product: Assorted Brands Size 4T

    Assorted Brands

    Size 4T
    $20.99 $51

    $12.59 40% off with

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

    Assorted Brands

    Size 12 mo
    $12.99 $49.95

    $6.49 50% off with

    Radicool Size 10
    New with tags
    View Product: Radicool Size 10

    Radicool

    Size 10
    $11.99 $23

    $8.39 30% off with

    Assorted Brands Size 12
    New with tags
    View Product: Assorted Brands Size 12

    Assorted Brands

    Size 12
    $15.99 $31

    $11.19 30% off with

    Assorted Brands Size 12
    New with tags
    View Product: Assorted Brands Size 12

    Assorted Brands

    Size 12
    $15.99 $31

    $11.19 30% off with

    Assorted Brands Size 12
    New with tags
    View Product: Assorted Brands Size 12

    Assorted Brands

    Size 12
    $15.99 $31

    $11.19 30% off with

    Radicool Size 14
    New with tags
    View Product: Radicool Size 14

    Radicool

    Size 14
    $12.99 $23

    $9.09 30% off with

    Skechers Size 4
    Price Drop
    View Product: Skechers Size 4

    Skechers

    Size 4
    $13.99 $32

    $8.39 40% off with

    Unbranded Size 12
    Price Drop
    View Product: Unbranded Size 12

    Unbranded

    Size 12
    $12.99 $31

    $9.09 30% off with

    Assorted Brands Size 12
    New with tags
    View Product: Assorted Brands Size 12

    Assorted Brands

    Size 12
    $15.99 $31

    $11.19 30% off with

    Assorted Brands Size 12
    New with tags
    View Product: Assorted Brands Size 12

    Assorted Brands

    Size 12
    $15.99 $31

    $11.19 30% off with

    Assorted Brands Size 12
    New with tags
    View Product: Assorted Brands Size 12

    Assorted Brands

    Size 12
    $15.99 $31

    $11.19 30% off with

    L.L.Bean Size 3-6 mo
    Price Drop
    View Product: L.L.Bean Size 3-6 mo

    L.L.Bean

    Size 3-6 mo
    $9.99 $20

    $5.99 40% off with

    Assorted Brands Size 6-9 mo
    Price Drop
    View Product: Assorted Brands Size 6-9 mo

    Assorted Brands

    Size 6-9 mo
    $10.99 $20

    $7.69 30% off with

    Radicool Size 8
    View Product: Radicool Size 8

    Radicool

    Size 8
    $11.99 $23

    $8.39 30% off with

    Radicool Size 10
    New with tags
    View Product: Radicool Size 10

    Radicool

    Size 10
    $12.99 $23

    $9.09 30% off with

    Nautica Size 4
    View Product: Nautica Size 4

    Nautica

    Size 4
    $13.99 $26

    $9.79 30% off with

    L.L.Bean Size 12
    Price Drop
    View Product: L.L.Bean Size 12

    L.L.Bean

    Size 12
    $10.99 $31

    $6.59 40% off with

    Baby Gap Size 0-3 mo
    Price Drop
    View Product: Baby Gap Size 0-3 mo

    Baby Gap

    Size 0-3 mo
    $9.99 $25

    $5.99 40% off with

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