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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.
183 items
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View 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 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 $16.50 50% 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: 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: 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: 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: 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: 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 retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 18-24 mo
$26.99 $17.54 35% off with code HOTDEAL
35% off estimated retailView Product: Capezio One Piece Swimsuit
Capezio
One Piece Swimsuit
Size Small youth
$13.99 $11.19 20% off with code HOTDEAL
48% off estimated retailView Product: Shade Critters Two Piece Swimsuit
Shade Critters
Two Piece Swimsuit
Size 6-12 mo
$12.99 $9.74 25% off with code HOTDEAL
75% off estimated retailView Product: Andy & Evan One Piece Swimsuit
Andy & Evan
One Piece Swimsuit
Size 3-6 mo
$17.99 $12.59 30% off with code HOTDEAL
72% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 18-24 mo
$25.99 $19.49 25% off with code HOTDEAL
50% off estimated retailView Product: Jessica Simpson One Piece Swimsuit
Jessica Simpson
One Piece Swimsuit
Size 24 mo
$14.99 $11.99 20% off with code HOTDEAL
18% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 6-12 mo
$21.99 $15.39 30% off with code HOTDEAL
57% off estimated retailView Product: Little Peixoto Two Piece Swimsuit
Little Peixoto
Two Piece Swimsuit
Size 8
$24.99 $17.49 30% off with code HOTDEAL
63% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size Small kids
$17.99 $12.59 30% off with code HOTDEAL
37% off estimated retailView Product: Capezio One Piece Swimsuit
Capezio
One Piece Swimsuit
Size Small youth
$16.99 $13.59 20% off with code HOTDEAL
36% off estimated retailView Product: Old Navy One Piece Swimsuit
Old Navy
One Piece Swimsuit
Size 12-18 mo
$15.99 $11.19 30% off with code HOTDEAL
16% off estimated retailView Product: Marvel Two Piece Swimsuit
Marvel
Two Piece Swimsuit
Size Small kids
$13.99 $10.49 25% off with code HOTDEAL
51% off estimated retailView Product: Stitchy Fish Two Piece Swimsuit
Stitchy Fish
Two Piece Swimsuit
Size 18-24 mo
$23.99 $16.79 30% off with code HOTDEAL
54% off estimated retailView Product: Just One You Made by Carter's Rash Guard
Just One You Made by Carter's
Rash Guard
Size 6 mo
$10.99 $8.79 20% off with code HOTDEAL
18% off estimated retailView Product: Capezio One Piece Swimsuit
Capezio
One Piece Swimsuit
Size Small kids
$11.99 $9.59 20% off with code HOTDEAL
45% off estimated retailView Product: Gymboree One Piece Swimsuit
Gymboree
One Piece Swimsuit
Size 6-12 mo
$23.99 $17.99 25% off with code HOTDEAL
25% off estimated retailView Product: Hope & Henry One Piece Swimsuit
Hope & Henry
One Piece Swimsuit
Size 3-6 mo
$13.99 $11.19 20% off with code HOTDEAL
45% off estimated retailView Product: Old Navy One Piece Swimsuit
Old Navy
One Piece Swimsuit
Size 12-18 mo
$14.99 $11.99 20% off with code HOTDEAL
22% off estimated retailView Product: Active by Old Navy One Piece Swimsuit
Active by Old Navy
One Piece Swimsuit
Size 6
$12.99 $10.39 20% off with code HOTDEAL
40% off estimated retailView Product: Wonder Nation One Piece Swimsuit
Wonder Nation
One Piece Swimsuit
Size 0-3 mo
$7.99 $6.39 20% off with code HOTDEAL
36% off estimated retail