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.
407 items
Sort by:
View Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 150 cm
$13.99 $11.19 20% off with code THANKU
57% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size Large kids
$16.99 $12.74 25% off with code THANKU
48% off estimated retailView Product: Andy & Evan One Piece Swimsuit
Andy & Evan
One Piece Swimsuit
Size 3-6 mo
$14.99 $11.24 25% off with code THANKU
72% off estimated retailView Product: Gap Kids One Piece Swimsuit
Gap Kids
One Piece Swimsuit
Size X-Large kids
$18.99 $12.34 35% off with code THANKU
55% off estimated retailView Product: Gap Kids One Piece Swimsuit
Gap Kids
One Piece Swimsuit
Size Small kids
$16.99 $11.04 35% off with code THANKU
46% off estimated retailView Product: Gap Kids One Piece Swimsuit
Gap Kids
One Piece Swimsuit
Size Medium tots
$16.99 $12.74 25% off with code THANKU
46% off estimated retailView Product: More Than Magic One Piece Swimsuit
More Than Magic
One Piece Swimsuit
Size 6
$11.99 $9.59 20% off with code THANKU
25% off estimated retailView Product: Nickelodeon One Piece Swimsuit
Nickelodeon
One Piece Swimsuit
Size 12 mo
$10.99 $8.79 20% off with code THANKU
31% off estimated retailView Product: Gap Kids One Piece Swimsuit
Gap Kids
One Piece Swimsuit
Size X-Large youth
$15.99 $11.99 25% off with code THANKU
62% off estimated retailView Product: The Children's Place Two Piece Swimsuit
The Children's Place
Two Piece Swimsuit
Size 14
$10.99 $8.79 20% off with code THANKU
47% off estimated retailView Product: Dippin Daisy's Swimwear Two Piece Swimsuit
Dippin Daisy's Swimwear
Two Piece Swimsuit
Size 6
$14.99 $11.24 25% off with code THANKU
54% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size Small kids
$13.99 $10.49 25% off with code THANKU
48% off estimated retail