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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.
314 items
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View Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size 160 cm
$12.99 $10.39 20% off with code HOTDEAL
60% off estimated retailView Product: Shade Critters One Piece Swimsuit
Shade Critters
One Piece Swimsuit
Size 5T
$23.99 $16.79 30% off with code HOTDEAL
63% off estimated retailView Product: OshKosh B'gosh Two Piece Swimsuit
OshKosh B'gosh
Two Piece Swimsuit
Size 14
$15.99 $12.79 20% off with code HOTDEAL
51% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 14
$13.99 $11.19 20% off with code HOTDEAL
60% off estimated retailView Product: Sporti One Piece Swimsuit
Sporti
One Piece Swimsuit
Size X-Small youth
$12.99 $10.39 20% off with code HOTDEAL
25% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size Large kids
$9.99 $7.99 20% off with code HOTDEAL
59% off estimated retailView Product: Freestyle By Danskin One Piece Swimsuit
Freestyle By Danskin
One Piece Swimsuit
Size 6X
$9.99 $7.99 20% off with code HOTDEAL
43% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size 100 cm
$15.99 $11.99 25% off with code HOTDEAL
44% off estimated retailView Product: Stella McCartney One Piece Swimsuit
Stella McCartney
One Piece Swimsuit
Size 24 mo
$32.99 $18.14 45% off with code HOTDEAL
67% off estimated retailView Product: Stella McCartney One Piece Swimsuit
Stella McCartney
One Piece Swimsuit
Size 24 mo
$53.99 $40.49 25% off with code HOTDEAL
37% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 4
$14.99 $11.99 20% off with code HOTDEAL
48% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 2T
$23.99 $16.79 30% off with code HOTDEAL
52% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 2T
$18.99 $13.29 30% off with code HOTDEAL
61% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 4
$12.99 $10.39 20% off with code HOTDEAL
55% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 16
$14.99 $11.99 20% off with code HOTDEAL
57% off estimated retailView Product: Janie and Jack Swimsuit Cover Up
Janie and Jack
Swimsuit Cover Up
Size 12
$20.99 $14.69 30% off with code HOTDEAL
58% off estimated retailView Product: Hope & Henry One Piece Swimsuit
Hope & Henry
One Piece Swimsuit
Size 2T
$17.99 $14.39 20% off with code HOTDEAL
31% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 4
$20.99 $13.64 35% off with code HOTDEAL
59% off estimated retailView Product: Random Hearts One Piece Swimsuit
Random Hearts
One Piece Swimsuit
Size 16
$11.99 $9.59 20% off with code HOTDEAL
31% off estimated retailView Product: Penelope Mack One Piece Swimsuit
Penelope Mack
One Piece Swimsuit
Size 3T
$16.99 $13.59 20% off with code HOTDEAL
48% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 2T
$9.99 $7.99 20% off with code HOTDEAL
59% off estimated retailView Product: Banana Cabana One Piece Swimsuit
Banana Cabana
One Piece Swimsuit
Size 14
$20.99 $14.69 30% off with code HOTDEAL
39% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 18-24 mo
$16.99 $12.74 25% off with code HOTDEAL
66% off estimated retailView Product: Crew & Lu One Piece Swimsuit
Crew & Lu
One Piece Swimsuit
Size 12-18 mo
$17.99 $13.49 25% off with code HOTDEAL
69% off estimated retailView Product: Random Hearts One Piece Swimsuit
Random Hearts
One Piece Swimsuit
Size 16
$11.99 $9.59 20% off with code HOTDEAL
31% off estimated retailView Product: Shade Critters One Piece Swimsuit
Shade Critters
One Piece Swimsuit
Size 8
$28.99 $18.84 35% off with code HOTDEAL
63% off estimated retailView Product: More Than Magic One Piece Swimsuit
More Than Magic
One Piece Swimsuit
Size Large kids
$12.99 $10.39 20% off with code HOTDEAL
25% off estimated retailView Product: Weissman Designs for Dance One Piece Swimsuit
Weissman Designs for Dance
One Piece Swimsuit
Size Large kids
$18.99 $14.24 25% off with code HOTDEAL
36% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 6-12 mo
$16.99 $12.74 25% off with code HOTDEAL
66% off estimated retail