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.
88 items
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Ruffle Butts
One Piece Swimsuit
Size 12-18 mo
$10.99 $6.04 45% off with code GOBIG
18% off estimated retail
Hanna Andersson
One Piece Swimsuit
Size 12-18 mo
$31.99 $17.59 45% off with code GOBIG
36% off estimated retail
Gymboree
One Piece Swimsuit
Size 12-18 mo
$22.99 $12.64 45% off with code GOBIG
29% off estimated retail
Gymboree
One Piece Swimsuit
Size 12-18 mo
$22.99 $12.64 45% off with code GOBIG
29% off estimated retail
Janie and Jack
One Piece Swimsuit
Size 12-18 mo
$16.99 $9.34 45% off with code GOBIG
66% off estimated retail
Crew & Lu
One Piece Swimsuit
Size 12-18 mo
$17.99 $9.89 45% off with code GOBIG
69% off estimated retail
Janie and Jack
Two Piece Swimsuit
Size 12-18 mo
$19.99 $10.99 45% off with code GOBIG
52% off estimated retail
Grace & James
One Piece Swimsuit
Size 12-18 mo
$20.99 $11.54 45% off with code GOBIG
39% off estimated retail
Janie and Jack
One Piece Swimsuit
Size 12-18 mo
$23.99 $13.19 45% off with code GOBIG
52% off estimated retail
Janie and Jack
One Piece Swimsuit
Size 12-18 mo
$17.99 $9.89 45% off with code GOBIG
64% off estimated retail
Unbranded
One Piece Swimsuit
Size 12-18 mo
$14.99 $8.24 45% off with code GOBIG
36% off estimated retail
Unbranded
One Piece Swimsuit
Size 12-18 mo
$10.99 $6.04 45% off with code GOBIG
54% off estimated retail
The Children's Place
One Piece Swimsuit
Size 12-18 mo
$8.99 $4.94 45% off with code GOBIG
55% off estimated retail
Roller Rabbit
One Piece Swimsuit
Size 12-18 mo
$28.99 $15.94 45% off with code GOBIG
45% off estimated retail
Cat & Jack
One Piece Swimsuit
Size 12-18 mo
$10.99 $6.04 45% off with code GOBIG
47% off estimated retail
Gymboree
One Piece Swimsuit
Size 12-18 mo
$23.99 $13.19 45% off with code GOBIG
25% off estimated retail
Disney Store
One Piece Swimsuit
Size 12-18 mo
$11.99 $6.59 45% off with code GOBIG
28% off estimated retail
Gymboree
One Piece Swimsuit
Size 12-18 mo
$21.99 $12.09 45% off with code GOBIG
33% off estimated retail
OshKosh B'gosh
Two Piece Swimsuit
Size 12-18 mo
$15.99 $8.79 45% off with code GOBIG
45% off estimated retail
Disney for Baby Gap
Board Shorts
Size 12-18 mo
$9.99 $5.49 45% off with code GOBIG
33% off estimated retail
The Children's Place
One Piece Swimsuit
Size 12-18 mo
$10.99 $6.04 45% off with code GOBIG
50% off estimated retail
Stella Cove
One Piece Swimsuit
Size 12-18 mo
$11.99 $6.59 45% off with code GOBIG
63% off estimated retail
Snapper Rock
One Piece Swimsuit
Size 12-18 mo
$10.99 $6.04 45% off with code GOBIG
43% off estimated retail
Ruffle Butts
Two Piece Swimsuit
Size 12-18 mo
$10.99 $6.04 45% off with code GOBIG
18% off estimated retail
The Children's Place
Two Piece Swimsuit
Size 12-18 mo
$11.99 $6.59 45% off with code GOBIG
44% off estimated retail
The Children's Place
Two Piece Swimsuit
Size 12-18 mo
$10.99 $6.04 45% off with code GOBIG
50% off estimated retail
Lands' End
One Piece Swimsuit
Size 12-18 mo
$12.24 $6.73 45% off with code GOBIG
65% off estimated retail
Assorted Brands
One Piece Swimsuit
Size 12-18 mo
$11.24 $6.18 45% off with code GOBIG
59% off estimated retail
Koala Kids
One Piece Swimsuit
Size 12-18 mo
$10.99 $6.04 45% off with code GOBIG
10% off estimated retail
The Children's Place
One Piece Swimsuit
Size 12-18 mo
$10.99 $6.04 45% off with code GOBIG
50% off estimated retail
Assorted Brands
One Piece Swimsuit
Size 12-18 mo
$8.99 $4.94 45% off with code GOBIG
60% off estimated retail
Assorted Brands
One Piece Swimsuit
Size 12-18 mo
$12.24 $6.73 45% off with code GOBIG
63% off estimated retail
Unbranded
One Piece Swimsuit
Size 12-18 mo
$10.24 $5.63 45% off with code GOBIG
65% off estimated retail
Floatimini
One Piece Swimsuit
Size 12-18 mo
$8.24 $4.53 45% off with code GOBIG
86% off estimated retail
Old Navy Outlet
One Piece Swimsuit
Size 12-18 mo
$8.99 $4.94 45% off with code GOBIG
20% off estimated retail