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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.
683 items
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View Product: Jojo Siwa One Piece Swimsuit
Jojo Siwa
One Piece Swimsuit
Size Small youth
$17.99 $9.89 45% off with code GOBIG
54% off estimated retailView Product: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size 14 Plus
$15.99 $8.79 45% off with code GOBIG
23% off estimated retailView Product: Wonder Nation One Piece Swimsuit
Wonder Nation
One Piece Swimsuit
Size 3-6 mo
$8.99 $4.94 45% off with code GOBIG
27% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size X-Small tots
$13.99 $7.69 45% off with code GOBIG
40% off estimated retailView Product: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size 12-18 mo
$10.99 $6.04 45% off with code GOBIG
47% off estimated retailView Product: GK from Elite One Piece Swimsuit
GK from Elite
One Piece Swimsuit
Size Medium kids
$15.99 $8.79 45% off with code GOBIG
44% off estimated retailView Product: Unbranded Swimsuit Cover Up
Unbranded
Swimsuit Cover Up
Size Medium youth
$10.99 $6.04 45% off with code GOBIG
54% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size X-Large youth
$14.99 $8.24 45% off with code GOBIG
57% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 24 mo
$13.99 $7.69 45% off with code GOBIG
40% off estimated retailView Product: Shade Critters Two Piece Swimsuit
Shade Critters
Two Piece Swimsuit
Size 6-12 mo
$20.99 $11.54 45% off with code GOBIG
61% off estimated retailView Product: Wonder Nation One Piece Swimsuit
Wonder Nation
One Piece Swimsuit
Size 0-3 mo
$7.99 $4.39 45% off with code GOBIG
36% off estimated retailView Product: Wonder Nation One Piece Swimsuit
Wonder Nation
One Piece Swimsuit
Size 12 mo
$6.99 $3.84 45% off with code GOBIG
45% off estimated retailView Product: Wonder Nation Two Piece Swimsuit
Wonder Nation
Two Piece Swimsuit
Size 3-6 mo
$7.99 $4.39 45% off with code GOBIG
36% off estimated retailView Product: L.O.L Vintage One Piece Swimsuit
L.O.L Vintage
One Piece Swimsuit
Size Small youth
$15.99 $8.79 45% off with code GOBIG
54% off estimated retailView Product: Wonder Nation Two Piece Swimsuit
Wonder Nation
Two Piece Swimsuit
Size 0-3 mo
$10.99 $6.04 45% off with code GOBIG
18% off estimated retailView Product: Wonder Nation Two Piece Swimsuit
Wonder Nation
Two Piece Swimsuit
Size 6-9 mo
$7.99 $4.39 45% off with code GOBIG
36% off estimated retailView Product: Wonder Nation One Piece Swimsuit
Wonder Nation
One Piece Swimsuit
Size 6-9 mo
$6.99 $3.84 45% off with code GOBIG
45% off estimated retailView Product: Gap Kids One Piece Swimsuit
Gap Kids
One Piece Swimsuit
Size Small kids
$16.99 $9.34 45% off with code GOBIG
48% off estimated retailView Product: Zimmermann One Piece Swimsuit
Zimmermann
One Piece Swimsuit
Size 12-24 mo
$47.99 $26.39 45% off with code GOBIG
61% off estimated retailView Product: Assorted Brands Two Piece Swimsuit
Assorted Brands
Two Piece Swimsuit
Size 18 mo
$9.99 $5.49 45% off with code GOBIG
59% off estimated retailView Product: Gymboree One Piece Swimsuit
Gymboree
One Piece Swimsuit
Size 12-18 mo
$21.99 $12.09 45% off with code GOBIG
33% off estimated retailView Product: OshKosh B'gosh Two Piece Swimsuit
OshKosh B'gosh
Two Piece Swimsuit
Size 12-18 mo
$15.99 $8.79 45% off with code GOBIG
45% off estimated retailView Product: Pelle One Piece Swimsuit
Pelle
One Piece Swimsuit
Size Small infants
$16.99 $9.34 45% off with code GOBIG
44% off estimated retailView Product: The Children's Place One Piece Swimsuit
The Children's Place
One Piece Swimsuit
Size 12-18 mo
$10.99 $6.04 45% off with code GOBIG
50% off estimated retailView Product: Egg New York One Piece Swimsuit
Egg New York
One Piece Swimsuit
Size 18 mo
$21.99 $12.09 45% off with code GOBIG
72% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size 2X-large kids
$16.99 $9.34 45% off with code GOBIG
51% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 12
$15.99 $8.79 45% off with code GOBIG
57% off estimated retail