About
ThredUp LogoThredUp
Shop
SellCleanout animation
Beta
My ThredUp
Account
0

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.

YellowRemove filter4TRemove filter16Remove filter
13 items
Sort by:
    Lucky Brand One Piece Swimsuit (view 2)Lucky Brand One Piece Swimsuit (view 1)
    View Product: Lucky Brand One Piece Swimsuit

    Lucky Brand

    One Piece Swimsuit
    Size 16
    $14.99
    63% off estimated retail
    Jessica Simpson Rash Guard (view 2)Jessica Simpson Rash Guard (view 1)
    View Product: Jessica Simpson Rash Guard

    Jessica Simpson

    Rash Guard
    Size 4T
    $12.99
    40% off estimated retail
    Disney Two Piece Swimsuit (view 2)Disney Two Piece Swimsuit (view 1)
    View Product: Disney Two Piece Swimsuit

    Disney

    Two Piece Swimsuit
    Size 4T
    $10.99
    28% off estimated retail
    Ruffle Butts Two Piece Swimsuit (view 2)Ruffle Butts Two Piece Swimsuit (view 1)
    View Product: Ruffle Butts Two Piece Swimsuit

    Ruffle Butts

    Two Piece Swimsuit
    Size 4T
    $15.99 $14
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    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 4T
    $14.99
    27% off estimated retail
    Breaking Waves One Piece Swimsuit (view 2)Breaking Waves One Piece Swimsuit (view 1)
    View Product: Breaking Waves One Piece Swimsuit

    Breaking Waves

    One Piece Swimsuit
    Size 16
    $13.99 $11.19 20% off with code HOTDEAL
    35% off estimated retail
    Les Tout Petits Two Piece Swimsuit (view 2)Les Tout Petits Two Piece Swimsuit (view 1)
    View Product: Les Tout Petits Two Piece Swimsuit

    Les Tout Petits

    Two Piece Swimsuit
    Size 16
    $37.99 $24.69 35% off with code HOTDEAL
    76% off estimated retail
    Gossip Girl One Piece Swimsuit (view 2)Gossip Girl One Piece Swimsuit (view 1)
    View Product: Gossip Girl One Piece Swimsuit

    Gossip Girl

    One Piece Swimsuit
    Size 16
    $16.99 $11.89 30% off with code HOTDEAL
    51% off estimated retail
    Hula Star Two Piece Swimsuit (view 2)Hula Star Two Piece Swimsuit (view 1)
    View Product: Hula Star Two Piece Swimsuit

    Hula Star

    Two Piece Swimsuit
    Size 4T
    $12.99 $10.39 20% off with code HOTDEAL
    40% off estimated retail
    Gymboree Rash Guard (view 2)Gymboree Rash Guard (view 1)
    View Product: Gymboree Rash Guard

    Gymboree

    Rash Guard
    Size 4T
    $17.99 $14.39 20% off with code HOTDEAL
    34% off estimated retail
    Penelope Mack One Piece Swimsuit (view 2)Penelope Mack One Piece Swimsuit (view 1)Price Drop
    View Product: Penelope Mack One Piece Swimsuit

    Penelope Mack

    One Piece Swimsuit
    Size 4T
    $18.99 $12.34 35% off with code HOTDEAL
    40% off estimated retail
    Habitual Swimsuit Cover Up (view 2)Habitual Swimsuit Cover Up (view 1)Price Drop
    View Product: Habitual Swimsuit Cover Up

    Habitual

    Swimsuit Cover Up
    Size 16
    $30.99 $9.30 70% off with code HOTDEAL
    46% off estimated retail
    Jantzen One Piece Swimsuit (view 2)Jantzen One Piece Swimsuit (view 1)Price Drop
    View Product: Jantzen One Piece Swimsuit

    Jantzen

    One Piece Swimsuit
    Size 16
    $8.99 $5.39 40% off with code HOTDEAL
    50% off estimated retail
    Back
    1
    Next