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.
567 items
Sort by:
View Product: OshKosh B'gosh One Piece Swimsuit
OshKosh B'gosh
One Piece Swimsuit
Size 12 mo
$12.99 $10.39 20% off with code THANKU
45% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size 100 cm
$13.99 $10.49 25% off with code THANKU
48% off estimated retailView Product: Hanna Andersson One Piece Swimsuit
Hanna Andersson
One Piece Swimsuit
Size 75 cm
$26.99 $14.84 45% off with code THANKU
34% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 0-3 mo
$14.99 $11.24 25% off with code THANKU
64% off estimated retailView Product: Lands' End Two Piece Swimsuit
Lands' End
Two Piece Swimsuit
Size 10 Slim
$19.99 $11.99 40% off with code THANKU
39% 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 THANKU
35% off estimated retail