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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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View Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 18-24 mo
$26.99 $18.89 30% off with code THANKU
35% off estimated retailView Product: Janie and Jack Two Piece Swimsuit
Janie and Jack
Two Piece Swimsuit
Size 12-18 mo
$24.99 $17.49 30% off with code THANKU
40% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 18-24 mo
$26.99 $18.89 30% off with code THANKU
35% off estimated retailView Product: Stella McCartney One Piece Swimsuit
Stella McCartney
One Piece Swimsuit
Size 4
$34.99 $24.49 30% off with code THANKU
56% off estimated retailView Product: Justice One Piece Swimsuit
Justice
One Piece Swimsuit
Size Large youth
$23.99 $16.79 30% off with code THANKU
31% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 3-6 mo
$18.99 $13.29 30% off with code THANKU
54% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 6-12 mo
$20.99 $14.69 30% off with code THANKU
50% off estimated retailView Product: Janie and Jack Two Piece Swimsuit
Janie and Jack
Two Piece Swimsuit
Size 6-12 mo
$19.99 $13.99 30% off with code THANKU
52% off estimated retailView Product: Florence Eiseman One Piece Swimsuit
Florence Eiseman
One Piece Swimsuit
Size 24 mo
$16.99 $11.89 30% off with code THANKU
77% off estimated retailView Product: Shade Critters One Piece Swimsuit
Shade Critters
One Piece Swimsuit
Size 3T
$17.99 $12.59 30% off with code THANKU
67% off estimated retailView Product: Dippin Daisy's Swimwear Two Piece Swimsuit
Dippin Daisy's Swimwear
Two Piece Swimsuit
Size 6
$14.99 $10.49 30% off with code THANKU
54% off estimated retailView Product: Old Navy One Piece Swimsuit
Old Navy
One Piece Swimsuit
Size 12-18 mo
$14.99 $10.49 30% off with code THANKU
16% off estimated retailView Product: Assorted Brands Two Piece Swimsuit
Assorted Brands
Two Piece Swimsuit
Size 12
$14.99 $10.49 30% off with code THANKU
54% off estimated retailView Product: Lilly Pulitzer For Target Rash Guard
Lilly Pulitzer For Target
Rash Guard
Size Large kids
$18.99 $13.29 30% off with code THANKU
42% off estimated retailView Product: Gap Kids One Piece Swimsuit
Gap Kids
One Piece Swimsuit
Size Small kids
$13.99 $9.79 30% off with code THANKU
56% off estimated retailView Product: Gap Kids One Piece Swimsuit
Gap Kids
One Piece Swimsuit
Size Medium kids
$14.99 $10.49 30% off with code THANKU
53% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size X-Large kids
$38.99 $27.29 30% off with code THANKU
70% off estimated retailView Product: Perfect Moment One Piece Swimsuit
Perfect Moment
One Piece Swimsuit
Size 6
$131.99 $92.39 30% off with code THANKU
62% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size Small tots
$13.99 $9.79 30% off with code THANKU
36% off estimated retailView Product: Gap Kids One Piece Swimsuit
Gap Kids
One Piece Swimsuit
Size Small infants
$12.99 $9.09 30% off with code THANKU
51% off estimated retailView Product: Zimmermann One Piece Swimsuit
Zimmermann
One Piece Swimsuit
Size 12-24 mo
$40.99 $28.69 30% off with code THANKU
60% off estimated retailView Product: Olivier London One Piece Swimsuit
Olivier London
One Piece Swimsuit
Size 3
$24.99 $17.49 30% off with code THANKU
63% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 12-18 mo
$18.99 $13.29 30% off with code THANKU
54% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 95 cm
$11.99 $8.39 30% off with code THANKU
55% off estimated retailView Product: Elizabeth Hurley One Piece Swimsuit
Elizabeth Hurley
One Piece Swimsuit
Size 6
$24.99 $17.49 30% off with code THANKU
78% off estimated retailView Product: Athleta Girl x Simone Biles Rash Guard
Athleta Girl x Simone Biles
Rash Guard
Size 14
$24.99 $17.49 30% off with code THANKU
69% 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: Assorted Brands Rash Guard
Assorted Brands
Rash Guard
Size Large youth
$27.99 $19.59 30% off with code THANKU
63% off estimated retailView Product: Shade Critters One Piece Swimsuit
Shade Critters
One Piece Swimsuit
Size 18-24 mo
$16.99 $11.89 30% off with code THANKU
61% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 6-12 mo
$17.99 $12.59 30% off with code THANKU
57% off estimated retail