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.
99 items
Sort by:
View Product: Stella McCartney One Piece Swimsuit
Stella McCartney
One Piece Swimsuit
Size 4
$34.99 $24.49 30% off with code THANKU
56% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 4
$11.99 $9.59 20% off with code THANKU
55% off estimated retailView Product: Isabella & Chloe Two Piece Swimsuit
Isabella & Chloe
Two Piece Swimsuit
Size 4
$20.99 $15.74 25% off with code THANKU
61% off estimated retailView Product: Wonder Nation One Piece Swimsuit
Wonder Nation
One Piece Swimsuit
Size 18
$12.99 $10.39 20% off with code THANKU
48% off estimated retailView Product: Assorted Brands Two Piece Swimsuit
Assorted Brands
Two Piece Swimsuit
Size 4
$12.99 $10.39 20% off with code THANKU
51% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 4
$10.99 $8.79 20% off with code THANKU
75% off estimated retail