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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.
615 items
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View Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size X-Small tots
$12.99 $10.39 20% off with code SHINE
40% off estimated retailView Product: Unbranded Swimsuit Cover Up
Unbranded
Swimsuit Cover Up
Size Medium youth
$9.99 $6.99 30% off with code SHINE
54% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size X-Large youth
$13.99 $11.19 20% off with code SHINE
57% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 24 mo
$12.99 $10.39 20% off with code SHINE
40% off estimated retailView Product: Shade Critters Two Piece Swimsuit
Shade Critters
Two Piece Swimsuit
Size 6-12 mo
$16.99 $12.74 25% off with code SHINE
61% off estimated retailView Product: Wonder Nation One Piece Swimsuit
Wonder Nation
One Piece Swimsuit
Size 12 mo
$5.99 $4.79 20% off with code SHINE
45% off estimated retailView Product: Old Navy One Piece Swimsuit
Old Navy
One Piece Swimsuit
Size 12-18 mo
$12.99 $10.39 20% off with code SHINE
27% off estimated retailView Product: Wonder Nation Two Piece Swimsuit
Wonder Nation
Two Piece Swimsuit
Size 0-3 mo
$8.99 $7.19 20% off with code SHINE
18% off estimated retailView Product: Wonder Nation One Piece Swimsuit
Wonder Nation
One Piece Swimsuit
Size 6-9 mo
$5.99 $4.79 20% off with code SHINE
45% 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 SHINE
48% off estimated retailView Product: Zimmermann One Piece Swimsuit
Zimmermann
One Piece Swimsuit
Size 12-24 mo
$40.99 $28.69 30% off with code SHINE
60% off estimated retailView Product: Assorted Brands Two Piece Swimsuit
Assorted Brands
Two Piece Swimsuit
Size 18 mo
$8.99 $7.19 20% off with code SHINE
59% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 5
$15.99 $12.79 20% off with code SHINE
40% off estimated retailView Product: Gymboree One Piece Swimsuit
Gymboree
One Piece Swimsuit
Size 12-18 mo
$17.99 $13.49 25% off with code SHINE
33% off estimated retailView Product: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size Large infants
$11.99 $9.59 20% off with code SHINE
29% off estimated retailView Product: OshKosh B'gosh Two Piece Swimsuit
OshKosh B'gosh
Two Piece Swimsuit
Size 12-18 mo
$12.99 $10.39 20% off with code SHINE
45% off estimated retailView Product: Egg by Susan Lazar One Piece Swimsuit
Egg by Susan Lazar
One Piece Swimsuit
Size 12 mo
$16.99 $12.74 25% off with code SHINE
22% off estimated retailView Product: Baby Gap One Piece Swimsuit
Baby Gap
One Piece Swimsuit
Size 18-24 mo
$13.99 $11.19 20% off with code SHINE
48% off estimated retailView Product: Betsey Johnson One Piece Swimsuit
Betsey Johnson
One Piece Swimsuit
Size 14
$15.99 $11.99 25% off with code SHINE
61% off estimated retailView Product: Lands' End Rash Guard
Lands' End
Rash Guard
Size Medium infants
$13.99 $10.49 25% off with code SHINE
44% off estimated retailView Product: Pelle One Piece Swimsuit
Pelle
One Piece Swimsuit
Size Small infants
$14.99 $11.24 25% off with code SHINE
44% 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 SHINE
50% off estimated retailView Product: Egg New York One Piece Swimsuit
Egg New York
One Piece Swimsuit
Size 18 mo
$18.99 $14.24 25% off with code SHINE
70% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size 2X-large kids
$15.99 $12.79 20% off with code SHINE
51% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 12
$14.99 $11.24 25% off with code SHINE
54% off estimated retailView Product: Hanna Andersson Swimsuit Cover Up
Hanna Andersson
Swimsuit Cover Up
Size 60 cm
$15.99 $9.59 40% off with code SHINE
64% 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 SHINE
48% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 12-18 mo
$18.99 $14.24 25% off with code SHINE
54% off estimated retailView Product: Assorted Brands Wetsuit
Assorted Brands
Wetsuit
Size X-Large youth
$24.99 $19.99 20% off with code SHINE
61% off estimated retailView Product: Cat & Jack Swimsuit Cover Up
Cat & Jack
Swimsuit Cover Up
Size Medium infants
$10.99 $8.79 20% off with code SHINE
35% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 0-3 mo
$10.99 $8.79 20% off with code SHINE
50% off estimated retailView Product: Noppies One Piece Swimsuit
Noppies
One Piece Swimsuit
Size X-Small kids
$12.99 $10.39 20% off with code SHINE
51% off estimated retailView Product: Les Tout Petits One Piece Swimsuit
Les Tout Petits
One Piece Swimsuit
Size 2
$14.99 $11.24 25% off with code SHINE
76% off estimated retail