About
ThredUp LogoThredUp
Shop
SellCleanout animation
Beta
My ThredUp
Account
0
Check out

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.

SpandexRemove filter5TRemove filter
15 items
Sort by:
    Cat & Jack One Piece Swimsuit (view 2)Cat & Jack One Piece Swimsuit (view 1)
    View Product: Cat & Jack One Piece Swimsuit

    Cat & Jack

    One Piece Swimsuit
    Size 5T
    $10.99
    35% off estimated retail
    Cat & Jack One Piece Swimsuit (view 2)Cat & Jack One Piece Swimsuit (view 1)
    View Product: Cat & Jack One Piece Swimsuit

    Cat & Jack

    One Piece Swimsuit
    Size 5T
    $12.99
    35% off estimated retail
    Nickelodeon Rash Guard (view 2)Nickelodeon Rash Guard (view 1)
    View Product: Nickelodeon Rash Guard

    Nickelodeon

    Rash Guard
    Size 5T
    $12.99
    40% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size 5T
    $8.99
    25% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Cat & Jack One Piece Swimsuit (view 2)Cat & Jack One Piece Swimsuit (view 1)
    View Product: Cat & Jack One Piece Swimsuit

    Cat & Jack

    One Piece Swimsuit
    Size 5T
    $9.99
    41% off estimated retail
    Shade Critters Rash Guard (view 2)Shade Critters Rash Guard (view 1)
    View Product: Shade Critters Rash Guard

    Shade Critters

    Rash Guard
    Size 5T
    $18.99
    65% off estimated retail
    Peppa Pig One Piece Swimsuit (view 2)Peppa Pig One Piece Swimsuit (view 1)
    View Product: Peppa Pig One Piece Swimsuit

    Peppa Pig

    One Piece Swimsuit
    Size 5T
    $13.99 $14
    Old Navy One Piece Swimsuit (view 2)Old Navy One Piece Swimsuit (view 1)
    View Product: Old Navy One Piece Swimsuit

    Old Navy

    One Piece Swimsuit
    Size 5T
    $9.99
    44% off estimated retail
    New York One Piece Swimsuit (view 2)New York One Piece Swimsuit (view 1)
    View Product: New York One Piece Swimsuit

    New York

    One Piece Swimsuit
    Size 5T
    $8.99
    42% off estimated retail
    Cat & Jack One Piece Swimsuit (view 2)Cat & Jack One Piece Swimsuit (view 1)
    View Product: Cat & Jack One Piece Swimsuit

    Cat & Jack

    One Piece Swimsuit
    Size 5T
    $10.99
    35% off estimated retail
    Shade Critters One Piece Swimsuit (view 2)Shade Critters One Piece Swimsuit (view 1)
    View Product: Shade Critters One Piece Swimsuit

    Shade Critters

    One Piece Swimsuit
    Size 5T
    $21.99
    60% off estimated retail
    Shade Critters Swimsuit Cover Up (view 2)Shade Critters Swimsuit Cover Up (view 1)
    View Product: Shade Critters Swimsuit Cover Up

    Shade Critters

    Swimsuit Cover Up
    Size 5T
    $19.99
    63% off estimated retail
    Gymboree One Piece Swimsuit (view 2)Gymboree One Piece Swimsuit (view 1)
    View Product: Gymboree One Piece Swimsuit

    Gymboree

    One Piece Swimsuit
    Size 5T
    $23.99 $17.99 25% off with code HOTDEAL
    25% off estimated retail
    Gymboree One Piece Swimsuit (view 2)Gymboree One Piece Swimsuit (view 1)
    View Product: Gymboree One Piece Swimsuit

    Gymboree

    One Piece Swimsuit
    Size 5T
    $22.99 $17.24 25% off with code HOTDEAL
    29% off estimated retail
    Gymboree Two Piece Swimsuit (view 2)Gymboree Two Piece Swimsuit (view 1)Price Drop
    View Product: Gymboree Two Piece Swimsuit

    Gymboree

    Two Piece Swimsuit
    Size 5T
    $20.24 $12.14 40% off with code HOTDEAL
    51% off estimated retail
    Back
    1
    Next

    Loading...