Trending Categories
Trending Brands
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.
469 items
Sort by:
View 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: 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: 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 $16.49 25% off with code HOTDEAL
44% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size 3-6 mo
$15.99 $12.79 20% off with code HOTDEAL
31% 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: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 8
$15.99 $11.19 30% off with code HOTDEAL
54% off estimated retailView Product: OshKosh B'gosh One Piece Swimsuit
OshKosh B'gosh
One Piece Swimsuit
Size 6 mo
$10.99 $8.79 20% off with code HOTDEAL
62% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 4
$17.99 $12.59 30% off with code HOTDEAL
64% off estimated retailView Product: OshKosh B'gosh Two Piece Swimsuit
OshKosh B'gosh
Two Piece Swimsuit
Size 2T
$9.99 $7.99 20% off with code HOTDEAL
58% off estimated retailView Product: Old Navy One Piece Swimsuit
Old Navy
One Piece Swimsuit
Size 2X-large kids
$28.99 $20.29 30% off with code HOTDEAL
37% 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: Just One You Made by Carter's One Piece Swimsuit
Just One You Made by Carter's
One Piece Swimsuit
Size 12 mo
$8.99 $7.19 20% off with code HOTDEAL
27% 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: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 14
$15.99 $11.99 25% off with code HOTDEAL
54% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 12 mo
$13.99 $10.49 25% off with code HOTDEAL
40% off estimated retailView Product: OshKosh B'gosh One Piece Swimsuit
OshKosh B'gosh
One Piece Swimsuit
Size 12 mo
$15.99 $12.79 20% off with code HOTDEAL
45% off estimated retailView Product: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size 18 mo
$13.99 $11.19 20% off with code HOTDEAL
29% off estimated retailView Product: Hanna Andersson One Piece Swimsuit
Hanna Andersson
One Piece Swimsuit
Size 75 cm
$32.99 $19.79 40% off with code HOTDEAL
34% off estimated retail