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.
2,024 items
Sort by:
View Product: Cat & Jack One Piece Swimsuit
Cat & Jack
One Piece Swimsuit
Size Medium kids
$10.99 $6.04 45% off with code GOBIG
35% off estimated retailView Product: Just One You Made by Carter's Rash Guard
Just One You Made by Carter's
Rash Guard
Size 2T
$8.99 $4.94 45% off with code GOBIG
18% off estimated retailView Product: Just One You Made by Carter's Rash Guard
Just One You Made by Carter's
Rash Guard
Size 3T
$8.99 $4.94 45% off with code GOBIG
35% off estimated retailView Product: Penelope Mack Two Piece Swimsuit
Penelope Mack
Two Piece Swimsuit
Size 18 mo
$9.99 $5.49 45% off with code GOBIG
54% off estimated retailView Product: Gap Kids One Piece Swimsuit
Gap Kids
One Piece Swimsuit
Size X-Large kids
$20.99 $11.54 45% off with code GOBIG
51% off estimated retailView Product: Hanna Andersson Two Piece Swimsuit
Hanna Andersson
Two Piece Swimsuit
Size 18-24 mo
$25.99 $14.29 45% off with code GOBIG
36% off estimated retailView Product: Old Navy One Piece Swimsuit
Old Navy
One Piece Swimsuit
Size Large kids
$10.99 $6.04 45% off with code GOBIG
38% off estimated retailView Product: Hurley One Piece Swimsuit
Hurley
One Piece Swimsuit
Size Medium kids
$15.99 $8.79 45% off with code GOBIG
61% 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 3 mo
$7.99 $4.39 45% off with code GOBIG
27% off estimated retailView Product: Tommy Bahama One Piece Swimsuit
Tommy Bahama
One Piece Swimsuit
Size 3-6 mo
$13.99 $7.69 45% off with code GOBIG
48% off estimated retailView Product: Jessica Simpson Two Piece Swimsuit
Jessica Simpson
Two Piece Swimsuit
Size 3-6 mo
$11.99 $6.59 45% off with code GOBIG
25% off estimated retailView Product: Rockets of Awesome Two Piece Swimsuit
Rockets of Awesome
Two Piece Swimsuit
Size 2
$13.99 $7.69 45% off with code GOBIG
36% off estimated retailView Product: Assorted Brands Two Piece Swimsuit
Assorted Brands
Two Piece Swimsuit
Size Small tots
$10.99 $6.04 45% off with code GOBIG
50% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 2T
$19.99 $10.99 45% off with code GOBIG
52% off estimated retailView Product: Hanna Andersson One Piece Swimsuit
Hanna Andersson
One Piece Swimsuit
Size 5
$24.99 $13.74 45% off with code GOBIG
39% off estimated retailView Product: Hanna Andersson One Piece Swimsuit
Hanna Andersson
One Piece Swimsuit
Size 4
$28.99 $15.94 45% off with code GOBIG
29% off estimated retail