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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.
1,150 items
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View Product: Tucker + Tate One Piece Swimsuit
Tucker + Tate
One Piece Swimsuit
Size 3
$16.99 $13.59 20% off with code HOTDEAL
58% off estimated retailView Product: Tucker + Tate One Piece Swimsuit
Tucker + Tate
One Piece Swimsuit
Size 2
$13.99 $11.19 20% off with code HOTDEAL
55% off estimated retailView Product: Assorted Brands Two Piece Swimsuit
Assorted Brands
Two Piece Swimsuit
Size 9
$11.99 $9.59 20% off with code HOTDEAL
66% off estimated retailView Product: Old Navy Two Piece Swimsuit
Old Navy
Two Piece Swimsuit
Size 12-18 mo
$8.99 $7.19 20% off with code HOTDEAL
55% off estimated retailView Product: Gymboree One Piece Swimsuit
Gymboree
One Piece Swimsuit
Size 3-6 mo
$22.99 $17.24 25% off with code HOTDEAL
29% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size 6-9 mo
$11.99 $9.59 20% off with code HOTDEAL
50% off estimated retailView Product: Shade Critters One Piece Swimsuit
Shade Critters
One Piece Swimsuit
Size 10
$25.99 $18.19 30% off with code HOTDEAL
67% off estimated retailView Product: Wetsuit Club by Candlesticks Rash Guard
Wetsuit Club by Candlesticks
Rash Guard
Size 18 mo
$8.99 $7.19 20% off with code HOTDEAL
50% off estimated retailView Product: Wippette Kids One Piece Swimsuit
Wippette Kids
One Piece Swimsuit
Size 12 mo
$8.99 $7.19 20% off with code HOTDEAL
27% off estimated retailView Product: Dolfin One Piece Swimsuit
Dolfin
One Piece Swimsuit
Size X-Large tots
$21.99 $15.39 30% off with code HOTDEAL
44% 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: Assorted Brands Two Piece Swimsuit
Assorted Brands
Two Piece Swimsuit
Size 4T
$15.99 $11.99 25% off with code HOTDEAL
44% off estimated retailView Product: Gymboree One Piece Swimsuit
Gymboree
One Piece Swimsuit
Size 18-24 mo
$22.99 $17.24 25% off with code HOTDEAL
29% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size 3-6 mo
$15.99 $11.99 25% off with code HOTDEAL
31% off estimated retailView Product: Primary Clothing One Piece Swimsuit
Primary Clothing
One Piece Swimsuit
Size 6-9 mo
$10.99 $8.79 20% off with code HOTDEAL
66% off estimated retailView Product: Assorted Brands Two Piece Swimsuit
Assorted Brands
Two Piece Swimsuit
Size 4
$16.99 $13.59 20% off with code HOTDEAL
40% off estimated retailView Product: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size 18 mo
$15.99 $12.79 20% off with code HOTDEAL
23% off estimated retailView Product: Art Class One Piece Swimsuit
Art Class
One Piece Swimsuit
Size Large youth
$16.99 $13.59 20% off with code HOTDEAL
30% off estimated retailView Product: Ruffle Butts One Piece Swimsuit
Ruffle Butts
One Piece Swimsuit
Size 18-24 mo
$10.99 $8.79 20% off with code HOTDEAL
18% 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: 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: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 18-24 mo
$22.99 $16.09 30% off with code HOTDEAL
54% off estimated retailView Product: Capezio One Piece Swimsuit
Capezio
One Piece Swimsuit
Size Large youth
$11.99 $9.59 20% off with code HOTDEAL
56% 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 Two Piece Swimsuit
Assorted Brands
Two Piece Swimsuit
Size 14
$12.99 $10.39 20% off with code HOTDEAL
63% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size Small youth
$15.99 $11.99 25% off with code HOTDEAL
54% 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: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size 18 mo
$11.99 $9.59 20% off with code HOTDEAL
41% 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: More Than Magic One Piece Swimsuit
More Than Magic
One Piece Swimsuit
Size 6
$9.99 $7.99 20% off with code HOTDEAL
43% off estimated retailView Product: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size 12 mo
$15.99 $12.79 20% off with code HOTDEAL
23% off estimated retailView Product: Harper Canyon One Piece Swimsuit
Harper Canyon
One Piece Swimsuit
Size 12 mo
$12.99 $10.39 20% off with code HOTDEAL
21% off estimated retailView Product: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size 12 mo
$15.99 $12.79 20% off with code HOTDEAL
23% off estimated retailView Product: Old Navy One Piece Swimsuit
Old Navy
One Piece Swimsuit
Size 12-18 mo
$9.99 $7.99 20% off with code HOTDEAL
50% 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: Assorted Brands Two Piece Swimsuit
Assorted Brands
Two Piece Swimsuit
Size X-Small kids
$11.99 $9.59 20% off with code HOTDEAL
59% off estimated retailView Product: Tucker + Tate One Piece Swimsuit
Tucker + Tate
One Piece Swimsuit
Size 18 mo
$11.99 $9.59 20% off with code HOTDEAL
63% off estimated retailView Product: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size 12 mo
$13.99 $11.19 20% off with code HOTDEAL
29% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size 100 cm
$13.99 $10.49 25% off with code HOTDEAL
51% 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: Breaking Waves One Piece Swimsuit
Breaking Waves
One Piece Swimsuit
Size 16
$13.99 $11.19 20% off with code HOTDEAL
35% 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: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 4
$23.99 $15.59 35% off with code HOTDEAL
52% off estimated retailView Product: Shade Critters One Piece Swimsuit
Shade Critters
One Piece Swimsuit
Size 2T
$20.99 $15.74 25% off with code HOTDEAL
61% off estimated retailView Product: Just Bones Boardwear Board Shorts
Just Bones Boardwear
Board Shorts
Size 14
$12.99 $10.39 20% off with code HOTDEAL
55% off estimated retailView Product: Wonder Nation One Piece Swimsuit
Wonder Nation
One Piece Swimsuit
Size 0-3 mo
$10.99 $8.79 20% off with code HOTDEAL
18% off estimated retailView Product: Wonder Nation Rash Guard
Wonder Nation
Rash Guard
Size Medium kids
$12.99 $10.39 20% off with code HOTDEAL
21% off estimated retailView Product: Monica + Andy One Piece Swimsuit
Monica + Andy
One Piece Swimsuit
Size 6-12 mo
$15.99 $12.79 20% off with code HOTDEAL
40% 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: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size 150 cm
$14.99 $11.24 25% off with code HOTDEAL
57% off estimated retailView Product: Freestyle By Danskin One Piece Swimsuit
Freestyle By Danskin
One Piece Swimsuit
Size 4
$11.99 $9.59 20% off with code HOTDEAL
21% 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: The Finals One Piece Swimsuit
The Finals
One Piece Swimsuit
Size X-Small kids
$17.99 $13.49 25% off with code HOTDEAL
50% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 6-12 mo
$18.99 $13.29 30% off with code HOTDEAL
61% off estimated retail