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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.
193 items
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View Product: Wonder Nation Two Piece Swimsuit
Wonder Nation
Two Piece Swimsuit
Size 2T
$8.99 $6.74 25% off with code THRIFT25
18% off estimated retailView Product: Ruffle Butts One Piece Swimsuit
Ruffle Butts
One Piece Swimsuit
Size 3T
$10.99 $8.24 25% off with code THRIFT25
21% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 12
$15.99 $11.99 25% off with code THRIFT25
61% off estimated retailView Product: Dollar General One Piece Swimsuit
Dollar General
One Piece Swimsuit
Size X-Small kids
$10.99 $8.24 25% off with code THRIFT25
21% off estimated retailView Product: Speedo One Piece Swimsuit
Speedo
One Piece Swimsuit
Size Medium kids
$28.99 $21.74 25% off with code THRIFT25
60% off estimated retailView Product: Unbranded Two Piece Swimsuit
Unbranded
Two Piece Swimsuit
Size Large kids
$8.99 $6.74 25% off with code THRIFT25
64% off estimated retailView Product: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size 18 mo
$10.99 $8.24 25% off with code THRIFT25
35% off estimated retailView Product: Assorted Brands Board Shorts
Assorted Brands
Board Shorts
Size X-Small kids
$11.99 $8.99 25% off with code THRIFT25
33% off estimated retailView Product: Harper Canyon One Piece Swimsuit
Harper Canyon
One Piece Swimsuit
Size 12 mo
$11.99 $8.99 25% off with code THRIFT25
14% off estimated retailView Product: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size 12 mo
$12.99 $9.74 25% off with code THRIFT25
23% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 3T
$14.99 $11.24 25% off with code THRIFT25
44% off estimated retailView Product: Hanna Andersson One Piece Swimsuit
Hanna Andersson
One Piece Swimsuit
Size 80 cm
$24.99 $18.74 25% off with code THRIFT25
39% 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: Justice Two Piece Swimsuit
Justice
Two Piece Swimsuit
Size Large youth
$16.99 $12.74 25% off with code THRIFT25
48% off estimated retailView Product: Ralph Lauren One Piece Swimsuit
Ralph Lauren
One Piece Swimsuit
Size 24 mo
$13.99 $10.49 25% off with code THRIFT25
73% off estimated retailView Product: Assorted Brands Two Piece Swimsuit
Assorted Brands
Two Piece Swimsuit
Size 14
$17.99 $13.49 25% off with code THRIFT25
65% off estimated retailView Product: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size 18 mo
$8.99 $6.74 25% off with code THRIFT25
47% off estimated retailView Product: Gap Kids One Piece Swimsuit
Gap Kids
One Piece Swimsuit
Size 2X-large kids
$15.99 $11.99 25% off with code THRIFT25
62% off estimated retailView Product: Lands' End One Piece Swimsuit
Lands' End
One Piece Swimsuit
Size 16 Plus
$21.99 $16.49 25% off with code THRIFT25
42% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 8
$11.99 $8.99 25% off with code THRIFT25
63% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 6-12 mo
$15.99 $11.99 25% off with code THRIFT25
61% off estimated retailView Product: Baby Gap One Piece Swimsuit
Baby Gap
One Piece Swimsuit
Size 6-12 mo
$10.99 $8.24 25% off with code THRIFT25
59% off estimated retailView Product: Breaking Waves One Piece Swimsuit
Breaking Waves
One Piece Swimsuit
Size 10
$9.99 $7.49 25% off with code THRIFT25
50% off estimated retailView Product: Unbranded Two Piece Swimsuit
Unbranded
Two Piece Swimsuit
Size 100 cm
$10.99 $8.24 25% off with code THRIFT25
59% off estimated retailView Product: Kian D. Los Angeles Two Piece Swimsuit
Kian D. Los Angeles
Two Piece Swimsuit
Size 7
$4.99 $3.74 25% off with code THRIFT25
84% off estimated retailView Product: Gymboree One Piece Swimsuit
Gymboree
One Piece Swimsuit
Size 6-12 mo
$18.99 $14.24 25% off with code THRIFT25
29% off estimated retailView Product: Assorted Brands Wetsuit
Assorted Brands
Wetsuit
Size Medium kids
$24.99 $18.74 25% off with code THRIFT25
54% off estimated retailView Product: Assorted Brands Rash Guard
Assorted Brands
Rash Guard
Size Small infants
$8.99 $6.74 25% off with code THRIFT25
59% off estimated retailView Product: Sol Angeles One Piece Swimsuit
Sol Angeles
One Piece Swimsuit
Size 6X
$28.99 $21.74 25% off with code THRIFT25
64% off estimated retailView Product: Juicy Couture One Piece Swimsuit
Juicy Couture
One Piece Swimsuit
Size 7
$20.99 $15.74 25% off with code THRIFT25
78% off estimated retailView Product: Wonder Nation One Piece Swimsuit
Wonder Nation
One Piece Swimsuit
Size 10
$10.99 $8.24 25% off with code THRIFT25
31% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size X-Small kids
$10.99 $8.24 25% off with code THRIFT25
59% 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: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size 18 mo
$11.99 $8.99 25% off with code THRIFT25
29% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size Small kids
$12.99 $9.74 25% off with code THRIFT25
51% off estimated retailView Product: Art Class One Piece Swimsuit
Art Class
One Piece Swimsuit
Size Small kids
$11.99 $8.99 25% off with code THRIFT25
29% off estimated retailView Product: Gap Kids One Piece Swimsuit
Gap Kids
One Piece Swimsuit
Size Small kids
$13.99 $10.49 25% off with code THRIFT25
56% off estimated retailView Product: Old Navy One Piece Swimsuit
Old Navy
One Piece Swimsuit
Size 18-24 mo
$13.99 $10.49 25% off with code THRIFT25
22% off estimated retailView Product: Jojo Siwa One Piece Swimsuit
Jojo Siwa
One Piece Swimsuit
Size Small youth
$14.99 $11.24 25% off with code THRIFT25
54% off estimated retailView Product: Baby Gap One Piece Swimsuit
Baby Gap
One Piece Swimsuit
Size 12-18 mo
$10.99 $8.24 25% off with code THRIFT25
59% off estimated retailView Product: Janie and Jack Two Piece Swimsuit
Janie and Jack
Two Piece Swimsuit
Size 2T
$19.99 $14.99 25% off with code THRIFT25
52% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size X-Large youth
$15.99 $11.99 25% off with code THRIFT25
51% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size X-Small tots
$12.99 $9.74 25% off with code THRIFT25
40% off estimated retailView Product: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size 12-18 mo
$8.99 $6.74 25% off with code THRIFT25
47% off estimated retailView Product: Tommy Bahama One Piece Swimsuit
Tommy Bahama
One Piece Swimsuit
Size 24 mo
$11.99 $8.99 25% off with code THRIFT25
55% off estimated retailView Product: Gymboree One Piece Swimsuit
Gymboree
One Piece Swimsuit
Size 12-18 mo
$19.99 $14.99 25% off with code THRIFT25
25% off estimated retail