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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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221 items
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View Product: Assorted Brands Swimsuit Cover Up
Assorted Brands
Swimsuit Cover Up
Size 8
$20.99 $15.74 25% off with code THRIFT25
84% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 2
$8.99 $6.74 25% off with code THRIFT25
59% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size Small kids
$10.99 $8.24 25% off with code THRIFT25
59% off estimated retailView Product: Maui Clothing Company Rash Guard
Maui Clothing Company
Rash Guard
Size 10
$10.99 $8.24 25% off with code THRIFT25
45% off estimated retailView Product: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size Small kids
$8.99 $6.74 25% off with code THRIFT25
47% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 8
$14.99 $11.24 25% off with code THRIFT25
54% off estimated retailView Product: Weissman Designs for Dance One Piece Swimsuit
Weissman Designs for Dance
One Piece Swimsuit
Size X-Large kids
$12.99 $9.74 25% off with code THRIFT25
48% off estimated retailView Product: Assorted Brands Two Piece Swimsuit
Assorted Brands
Two Piece Swimsuit
Size 8
$10.99 $8.24 25% off with code THRIFT25
66% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 6
$37.99 $28.49 25% off with code THRIFT25
72% off estimated retailView Product: Stella Cove One Piece Swimsuit
Stella Cove
One Piece Swimsuit
Size 12-18 mo
$9.99 $7.49 25% off with code THRIFT25
63% off estimated retailView Product: Balera Dancewear One Piece Swimsuit
Balera Dancewear
One Piece Swimsuit
Size Small infants
$8.99 $6.74 25% off with code THRIFT25
59% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size Large infants
$8.99 $6.74 25% off with code THRIFT25
59% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size Small kids
$11.99 $8.99 25% off with code THRIFT25
55% off estimated retailView Product: Crown & Ivy One Piece Swimsuit
Crown & Ivy
One Piece Swimsuit
Size 12 mo
$9.99 $7.49 25% off with code THRIFT25
77% off estimated retailView Product: Justice Swimsuit Cover Up
Justice
Swimsuit Cover Up
Size X-Large youth
$15.99 $11.99 25% off with code THRIFT25
51% off estimated retailView Product: Lands' End Rash Guard
Lands' End
Rash Guard
Size X-Large youth
$10.99 $8.24 25% off with code THRIFT25
56% off estimated retailView Product: Baby Gap One Piece Swimsuit
Baby Gap
One Piece Swimsuit
Size 18-24 mo
$10.99 $8.24 25% off with code THRIFT25
59% off estimated retailView Product: L.O.L Vintage One Piece Swimsuit
L.O.L Vintage
One Piece Swimsuit
Size Small youth
$14.99 $11.24 25% off with code THRIFT25
54% off estimated retailView Product: Speedo One Piece Swimsuit
Speedo
One Piece Swimsuit
Size X-Small youth
$15.99 $11.99 25% off with code THRIFT25
36% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size X-Small kids
$9.99 $7.49 25% off with code THRIFT25
63% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 10
$15.99 $11.99 25% off with code THRIFT25
51% off estimated retailView Product: Baby Gap One Piece Swimsuit
Baby Gap
One Piece Swimsuit
Size 18-24 mo
$13.99 $10.49 25% off with code THRIFT25
48% off estimated retailView Product: OshKosh B'gosh One Piece Swimsuit
OshKosh B'gosh
One Piece Swimsuit
Size 3 mo
$9.99 $7.49 25% off with code THRIFT25
58% off estimated retailView Product: OshKosh B'gosh One Piece Swimsuit
OshKosh B'gosh
One Piece Swimsuit
Size 24 mo
$8.99 $6.74 25% off with code THRIFT25
62% off estimated retailView Product: The Children's Place One Piece Swimsuit
The Children's Place
One Piece Swimsuit
Size 12-18 mo
$8.99 $6.74 25% off with code THRIFT25
50% off estimated retailView Product: Old Navy One Piece Swimsuit
Old Navy
One Piece Swimsuit
Size 18-24 mo
$9.99 $7.49 25% off with code THRIFT25
44% off estimated retailView Product: Noppies One Piece Swimsuit
Noppies
One Piece Swimsuit
Size X-Small kids
$12.99 $9.74 25% off with code THRIFT25
51% off estimated retailView Product: Old Navy One Piece Swimsuit
Old Navy
One Piece Swimsuit
Size 6-12 mo
$10.99 $8.24 25% off with code THRIFT25
38% off estimated retailView Product: Panama Jack Rash Guard
Panama Jack
Rash Guard
Size X-Large youth
$6.99 $5.24 25% off with code THRIFT25
72% off estimated retailView Product: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size 3-6 mo
$9.99 $7.49 25% off with code THRIFT25
41% off estimated retailView Product: Shein One Piece Swimsuit
Shein
One Piece Swimsuit
Size Small infants
$7.99 $5.99 25% off with code THRIFT25
27% off estimated retailView Product: Harper Canyon One Piece Swimsuit
Harper Canyon
One Piece Swimsuit
Size 24 mo
$6.99 $5.24 25% off with code THRIFT25
50% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size 3-6 mo
$9.99 $7.49 25% off with code THRIFT25
54% off estimated retailView Product: GG The Brand One Piece Swimsuit
GG The Brand
One Piece Swimsuit
Size 80 cm
$8.99 $6.74 25% off with code THRIFT25
43% off estimated retailView Product: Dippin Daisy's Swimwear Swimsuit Cover Up
Dippin Daisy's Swimwear
Swimsuit Cover Up
Size Small kids
$6.99 $5.24 25% off with code THRIFT25
73% off estimated retailView Product: Water Wears One Piece Swimsuit
Water Wears
One Piece Swimsuit
Size 6-12 mo
$8.99 $6.74 25% off with code THRIFT25
55% off estimated retailView Product: Cat & Jack Swimsuit Cover Up
Cat & Jack
Swimsuit Cover Up
Size Large kids
$9.99 $7.49 25% off with code THRIFT25
41% off estimated retailView Product: OshKosh B'gosh One Piece Swimsuit
OshKosh B'gosh
One Piece Swimsuit
Size 18 mo
$10.99 $8.24 25% off with code THRIFT25
54% off estimated retailView Product: OshKosh B'gosh One Piece Swimsuit
OshKosh B'gosh
One Piece Swimsuit
Size 6 mo
$8.99 $6.74 25% off with code THRIFT25
62% off estimated retailView Product: Old Navy One Piece Swimsuit
Old Navy
One Piece Swimsuit
Size 6-12 mo
$9.99 $7.49 25% off with code THRIFT25
44% off estimated retailView Product: Weissman Designs for Dance One Piece Swimsuit
Weissman Designs for Dance
One Piece Swimsuit
Size Large kids
$14.99 $11.24 25% off with code THRIFT25
40% off estimated retailView Product: Random Hearts One Piece Swimsuit
Random Hearts
One Piece Swimsuit
Size 16
$10.99 $8.24 25% off with code THRIFT25
31% off estimated retailView Product: Garnet Hill One Piece Swimsuit
Garnet Hill
One Piece Swimsuit
Size 12
$16.99 $12.74 25% off with code THRIFT25
48% off estimated retailView Product: Janie and Jack Swimsuit Cover Up
Janie and Jack
Swimsuit Cover Up
Size 3
$10.99 $8.24 25% off with code THRIFT25
67% off estimated retailView Product: Assorted Brands Two Piece Swimsuit
Assorted Brands
Two Piece Swimsuit
Size 12
$11.99 $8.99 25% off with code THRIFT25
63% off estimated retail