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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.
281 items
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View Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 12
$12.99 $9.74 25% off with code THANKU
60% off estimated retailView Product: Shade Critters One Piece Swimsuit
Shade Critters
One Piece Swimsuit
Size 6-12 mo
$17.99 $12.59 30% off with code THANKU
59% off estimated retailView Product: Gap Kids One Piece Swimsuit
Gap Kids
One Piece Swimsuit
Size X-Large kids
$14.99 $9.74 35% off with code THANKU
65% off estimated retailView Product: Assorted Brands Rash Guard
Assorted Brands
Rash Guard
Size Small infants
$8.99 $7.19 20% off with code THANKU
59% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size X-Small kids
$10.99 $8.79 20% off with code THANKU
59% 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 THANKU
51% 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 THANKU
48% off estimated retailView Product: Art Class One Piece Swimsuit
Art Class
One Piece Swimsuit
Size Small kids
$11.99 $9.59 20% off with code THANKU
29% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 6
$37.99 $24.69 35% off with code THANKU
72% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size Large infants
$8.99 $7.19 20% off with code THANKU
59% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size Small kids
$11.99 $9.59 20% off with code THANKU
55% off estimated retailView Product: Little Peixoto Two Piece Swimsuit
Little Peixoto
Two Piece Swimsuit
Size 2
$14.99 $11.24 25% off with code THANKU
65% off estimated retailView Product: Jojo Siwa One Piece Swimsuit
Jojo Siwa
One Piece Swimsuit
Size Small youth
$14.99 $11.99 20% off with code THANKU
54% off estimated retailView Product: Baby Gap One Piece Swimsuit
Baby Gap
One Piece Swimsuit
Size 12-18 mo
$10.99 $8.79 20% off with code THANKU
59% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size X-Large youth
$15.99 $12.79 20% off with code THANKU
51% off estimated retailView Product: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size 12-18 mo
$8.99 $7.19 20% off with code THANKU
47% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size X-Small tots
$12.99 $10.39 20% off with code THANKU
40% off estimated retailView Product: Tommy Bahama One Piece Swimsuit
Tommy Bahama
One Piece Swimsuit
Size 24 mo
$11.99 $9.59 20% off with code THANKU
55% off estimated retailView Product: Bob Der Bar One Piece Swimsuit
Bob Der Bar
One Piece Swimsuit
Size 6-9 mo
$7.99 $6.39 20% off with code THANKU
27% off estimated retailView Product: OshKosh B'gosh One Piece Swimsuit
OshKosh B'gosh
One Piece Swimsuit
Size 24 mo
$8.99 $7.19 20% off with code THANKU
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 $7.19 20% off with code THANKU
50% off estimated retailView Product: Harper Canyon One Piece Swimsuit
Harper Canyon
One Piece Swimsuit
Size 24 mo
$6.99 $5.59 20% off with code THANKU
50% off estimated retailView Product: Water Wears One Piece Swimsuit
Water Wears
One Piece Swimsuit
Size 6-12 mo
$8.99 $7.19 20% off with code THANKU
55% off estimated retail