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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.
152 items
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View Product: Matilda Jane One Piece Swimsuit
Matilda Jane
One Piece Swimsuit
Size 10
$14.99 $11.24 25% off with code THRIFT25
54% off estimated retailView Product: Janie and Jack One Piece Swimsuit
Janie and Jack
One Piece Swimsuit
Size 10
$15.99 $11.99 25% off with code THRIFT25
61% off estimated retailView Product: Vineyard Vines One Piece Swimsuit
Vineyard Vines
One Piece Swimsuit
Size 5
$13.99 $10.49 25% off with code THRIFT25
58% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 5
$14.99 $11.24 25% off with code THRIFT25
44% off estimated retailView Product: Hanna Andersson Two Piece Swimsuit
Hanna Andersson
Two Piece Swimsuit
Size 5
$22.99 $17.24 25% off with code THRIFT25
43% off estimated retailView Product: Betsey Johnson One Piece Swimsuit
Betsey Johnson
One Piece Swimsuit
Size 10
$16.99 $12.74 25% off with code THRIFT25
58% off estimated retailView Product: Breaking Waves Two Piece Swimsuit
Breaking Waves
Two Piece Swimsuit
Size 10
$10.99 $8.24 25% off with code THRIFT25
45% off estimated retailView Product: B.B. Collections One Piece Swimsuit
B.B. Collections
One Piece Swimsuit
Size 5
$12.99 $9.74 25% off with code THRIFT25
35% off estimated retailView Product: Lilly Pulitzer One Piece Swimsuit
Lilly Pulitzer
One Piece Swimsuit
Size 10
$29.99 $22.49 25% off with code THRIFT25
38% off estimated retailView Product: Catherine Malandrino One Piece Swimsuit
Catherine Malandrino
One Piece Swimsuit
Size 10
$25.99 $19.49 25% off with code THRIFT25
86% off estimated retailView Product: Classic Whimsy One Piece Swimsuit
Classic Whimsy
One Piece Swimsuit
Size 10
$8.99 $6.74 25% off with code THRIFT25
55% off estimated retailView Product: Lands' End Two Piece Swimsuit
Lands' End
Two Piece Swimsuit
Size 10 Slim
$19.99 $14.99 25% off with code THRIFT25
39% off estimated retailView Product: Stella Cove One Piece Swimsuit
Stella Cove
One Piece Swimsuit
Size 10
$19.99 $14.99 25% off with code THRIFT25
61% off estimated retailView Product: Breaking Waves One Piece Swimsuit
Breaking Waves
One Piece Swimsuit
Size 10
$9.99 $7.49 25% off with code THRIFT25
50% off estimated retailView Product: Hanna Andersson One Piece Swimsuit
Hanna Andersson
One Piece Swimsuit
Size 10
$42.99 $32.24 25% off with code THRIFT25
43% off estimated retailView Product: Billie Blush One Piece Swimsuit
Billie Blush
One Piece Swimsuit
Size 10
$13.99 $10.49 25% off with code THRIFT25
82% off estimated retailView Product: Penelope Mack One Piece Swimsuit
Penelope Mack
One Piece Swimsuit
Size 5
$10.99 $8.24 25% off with code THRIFT25
59% off estimated retailView Product: Wonder Nation One Piece Swimsuit
Wonder Nation
One Piece Swimsuit
Size 10
$10.99 $8.24 25% off with code THRIFT25
31% off estimated retailView Product: Shade Critters One Piece Swimsuit
Shade Critters
One Piece Swimsuit
Size 10
$24.99 $18.74 25% off with code THRIFT25
61% off estimated retailView Product: Hanna Andersson One Piece Swimsuit
Hanna Andersson
One Piece Swimsuit
Size 10
$29.99 $22.49 25% off with code THRIFT25
60% off estimated retailView Product: Assorted Brands Swimsuit Cover Up
Assorted Brands
Swimsuit Cover Up
Size 10
$11.99 $8.99 25% off with code THRIFT25
63% off estimated retail