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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.

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    Carter's One Piece Swimsuit (view 2)Carter's One Piece Swimsuit (view 1)
    View Product: Carter's One Piece Swimsuit

    Carter's

    One Piece Swimsuit
    Size 18 mo
    $14.99
    58% off estimated retail
    Janie and Jack Two Piece Swimsuit (view 2)Janie and Jack Two Piece Swimsuit (view 1)New With Tags
    View Product: Janie and Jack Two Piece Swimsuit

    Janie and Jack

    Two Piece Swimsuit
    Size 7
    $15.99
    48% off estimated retail
    Unbranded Swimsuit Cover Up (view 2)Unbranded Swimsuit Cover Up (view 1)New With Tags
    View Product: Unbranded Swimsuit Cover Up

    Unbranded

    Swimsuit Cover Up
    Size 3
    $12.99
    51% off estimated retail
    Tucker + Tate Rash Guard (view 2)Tucker + Tate Rash Guard (view 1)
    View Product: Tucker + Tate Rash Guard

    Tucker + Tate

    Rash Guard
    Size 4
    $18.99
    44% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    PixieLane Swimsuit Cover Up (view 2)PixieLane Swimsuit Cover Up (view 1)
    View Product: PixieLane Swimsuit Cover Up

    PixieLane

    Swimsuit Cover Up
    Size 3
    $10.99
    59% off estimated retail
    Classic Whimsy One Piece Swimsuit (view 2)Classic Whimsy One Piece Swimsuit (view 1)
    View Product: Classic Whimsy One Piece Swimsuit

    Classic Whimsy

    One Piece Swimsuit
    Size 10
    $9.99
    50% off estimated retail
    Wonder Nation Rash Guard (view 2)Wonder Nation Rash Guard (view 1)
    View Product: Wonder Nation Rash Guard

    Wonder Nation

    Rash Guard
    Size 4T
    $10.99 $8.79 20% off with code THANKU
    21% off estimated retail
    Assorted Brands One Piece Swimsuit (view 2)Assorted Brands One Piece Swimsuit (view 1)
    View Product: Assorted Brands One Piece Swimsuit

    Assorted Brands

    One Piece Swimsuit
    Size 8
    $11.99 $8.99 25% off with code THANKU
    63% off estimated retail
    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 3-6 mo
    $8.99 $7.19 20% off with code THANKU
    50% off estimated retail
    Rockyourkid One Piece Swimsuit (view 2)Rockyourkid One Piece Swimsuit (view 1)
    View Product: Rockyourkid One Piece Swimsuit

    Rockyourkid

    One Piece Swimsuit
    Size 4
    $23.99 $16.79 30% off with code THANKU
    70% off estimated retail
    Janie and Jack One Piece Swimsuit (view 2)Janie and Jack One Piece Swimsuit (view 1)
    View Product: Janie and Jack One Piece Swimsuit

    Janie and Jack

    One Piece Swimsuit
    Size 3-6 mo
    $18.99 $13.29 30% off with code THANKU
    54% off estimated retail
    Hobie Two Piece Swimsuit (view 2)Hobie Two Piece Swimsuit (view 1)
    View Product: Hobie Two Piece Swimsuit

    Hobie

    Two Piece Swimsuit
    Size 7
    $18.99 $15.19 20% off with code THANKU
    42% off estimated retail
    Angel Beach Swimsuit Cover Up (view 2)Angel Beach Swimsuit Cover Up (view 1)
    View Product: Angel Beach Swimsuit Cover Up

    Angel Beach

    Swimsuit Cover Up
    Size 10
    $11.99 $9.59 20% off with code THANKU
    25% off estimated retail
    Unbranded Two Piece Swimsuit (view 2)Unbranded Two Piece Swimsuit (view 1)
    View Product: Unbranded Two Piece Swimsuit

    Unbranded

    Two Piece Swimsuit
    Size 150 cm
    $12.99 $10.39 20% off with code THANKU
    60% 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 9 mo
    $11.99 $9.59 20% off with code THANKU
    29% off estimated retail
    Carter's One Piece Swimsuit (view 2)Carter's One Piece Swimsuit (view 1)
    View Product: Carter's One Piece Swimsuit

    Carter's

    One Piece Swimsuit
    Size 8
    $16.99 $12.74 25% off with code THANKU
    56% 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 10
    $12.99 $10.39 20% off with code THANKU
    35% off estimated retail
    Unbranded One Piece Swimsuit (view 2)Unbranded One Piece Swimsuit (view 1)
    View Product: Unbranded One Piece Swimsuit

    Unbranded

    One Piece Swimsuit
    Size 9
    $14.99 $11.99 20% off with code THANKU
    54% off estimated retail
    Gymboree Rash Guard (view 2)Gymboree Rash Guard (view 1)
    View Product: Gymboree Rash Guard

    Gymboree

    Rash Guard
    Size 4T
    $11.99 $9.59 20% off with code THANKU
    47% off estimated retail
    Shade Critters Two Piece Swimsuit (view 2)Shade Critters Two Piece Swimsuit (view 1)Price Drop
    View Product: Shade Critters Two Piece Swimsuit

    Shade Critters

    Two Piece Swimsuit
    Size 6-12 mo
    $16.99 $12.74 25% off with code THANKU
    61% off estimated retail
    FBZ Two Piece Swimsuit (view 2)FBZ Two Piece Swimsuit (view 1)Price Drop
    View Product: FBZ Two Piece Swimsuit

    FBZ

    Two Piece Swimsuit
    Size Large tots
    $20.99 $15.74 25% off with code THANKU
    61% off estimated retail
    Unbranded One Piece Swimsuit (view 2)Unbranded One Piece Swimsuit (view 1)Price Drop
    View Product: Unbranded One Piece Swimsuit

    Unbranded

    One Piece Swimsuit
    Size 2X-large kids
    $15.99 $11.99 25% off with code THANKU
    51% off estimated retail
    Cat & Jack One Piece Swimsuit (view 2)Cat & Jack One Piece Swimsuit (view 1)Price Drop
    View Product: Cat & Jack One Piece Swimsuit

    Cat & Jack

    One Piece Swimsuit
    Size 18 mo
    $11.99 $9.59 20% off with code THANKU
    29% off estimated retail
    Unbranded One Piece Swimsuit (view 2)Unbranded One Piece Swimsuit (view 1)New With Tags
    View Product: Unbranded One Piece Swimsuit

    Unbranded

    One Piece Swimsuit
    Size 100 cm
    $12.99 $10.39 20% off with code THANKU
    51% off estimated retail
    Vivo Biniya Rash Guard (view 2)Vivo Biniya Rash Guard (view 1)Price Drop
    View Product: Vivo Biniya Rash Guard

    Vivo Biniya

    Rash Guard
    Size 4
    $12.99 $10.39 20% off with code THANKU
    51% off estimated retail
    Eberjey Swimsuit Cover Up (view 2)Eberjey Swimsuit Cover Up (view 1)Price Drop
    View Product: Eberjey Swimsuit Cover Up

    Eberjey

    Swimsuit Cover Up
    Size Medium youth
    $20.99 $12.59 40% off with code THANKU
    67% 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 18 mo
    $8.99 $7.19 20% off with code THANKU
    10% off estimated retail
    Le Top One Piece Swimsuit (view 2)Le Top One Piece Swimsuit (view 1)Price Drop
    View Product: Le Top One Piece Swimsuit

    Le Top

    One Piece Swimsuit
    Size 3 mo
    $9.99 $7.99 20% off with code THANKU
    44% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)Price Drop
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size 12
    $10.99 $8.79 20% off with code THANKU
    45% off estimated retail
    Dakine Rash Guard (view 2)Dakine Rash Guard (view 1)Price Drop
    View Product: Dakine Rash Guard

    Dakine

    Rash Guard
    Size X-Small kids
    $15.99 $11.99 25% off with code THANKU
    76% off estimated retail
    Gymboree One Piece Swimsuit (view 2)Gymboree One Piece Swimsuit (view 1)Price Drop
    View Product: Gymboree One Piece Swimsuit

    Gymboree

    One Piece Swimsuit
    Size 0-3 mo
    $10.99 $8.79 20% off with code THANKU
    59% off estimated retail
    Little Me Rash Guard (view 2)Little Me Rash Guard (view 1)Price Drop
    View Product: Little Me Rash Guard

    Little Me

    Rash Guard
    Size 6-9 mo
    $6.99 $5.59 20% off with code THANKU
    56% off estimated retail
    Bob Der Bar One Piece Swimsuit (view 2)Bob Der Bar One Piece Swimsuit (view 1)Price Drop
    View Product: Bob Der Bar One Piece Swimsuit

    Bob Der Bar

    One Piece Swimsuit
    Size 6-9 mo
    $7.99 $6.39 20% off with code THANKU
    27% off estimated retail
    Sofibella Rash Guard (view 2)Sofibella Rash Guard (view 1)Price Drop
    View Product: Sofibella Rash Guard

    Sofibella

    Rash Guard
    Size Small youth
    $10.99 $8.79 20% off with code THANKU
    83% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)Price Drop
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size 4
    $10.99 $8.79 20% off with code THANKU
    45% off estimated retail
    Assorted Brands One Piece Swimsuit (view 2)Assorted Brands One Piece Swimsuit (view 1)Price Drop
    View Product: Assorted Brands One Piece Swimsuit

    Assorted Brands

    One Piece Swimsuit
    Size 6-9 mo
    $10.99 $8.79 20% off with code THANKU
    50% off estimated retail
    Assorted Brands Two Piece Swimsuit (view 2)Assorted Brands Two Piece Swimsuit (view 1)Price Drop
    View Product: Assorted Brands Two Piece Swimsuit

    Assorted Brands

    Two Piece Swimsuit
    Size 110 cm
    $9.99 $7.99 20% off with code THANKU
    63% off estimated retail
    chach Swimsuit Cover Up (view 2)chach Swimsuit Cover Up (view 1)Price Drop
    View Product: chach Swimsuit Cover Up

    chach

    Swimsuit Cover Up
    Size 6
    $6.99 $5.59 20% off with code THANKU
    72% off estimated retail
    More Than Magic Rash Guard (view 2)More Than Magic Rash Guard (view 1)Price Drop
    View Product: More Than Magic Rash Guard

    More Than Magic

    Rash Guard
    Size 7
    $7.99 $6.39 20% off with code THANKU
    50% off estimated retail
    Janie and Jack Rash Guard (view 2)Janie and Jack Rash Guard (view 1)Price Drop
    View Product: Janie and Jack Rash Guard

    Janie and Jack

    Rash Guard
    Size 6-12 mo
    $9.99 $7.99 20% off with code THANKU
    67% off estimated retail
    Old Navy One Piece Swimsuit (view 2)Old Navy One Piece Swimsuit (view 1)Price Drop
    View Product: Old Navy One Piece Swimsuit

    Old Navy

    One Piece Swimsuit
    Size 2T
    $9.99 $7.99 20% off with code THANKU
    44% off estimated retail
    More Than Magic Rash Guard (view 2)More Than Magic Rash Guard (view 1)Price Drop
    View Product: More Than Magic Rash Guard

    More Than Magic

    Rash Guard
    Size 4
    $9.99 $7.99 20% off with code THANKU
    28% off estimated retail
    Assorted Brands Rash Guard (view 2)Assorted Brands Rash Guard (view 1)Price Drop
    View Product: Assorted Brands Rash Guard

    Assorted Brands

    Rash Guard
    Size 10
    $9.99 $7.99 20% off with code THANKU
    69% off estimated retail
    Assorted Brands Rash Guard (view 2)Assorted Brands Rash Guard (view 1)Price Drop
    View Product: Assorted Brands Rash Guard

    Assorted Brands

    Rash Guard
    Size 10
    $9.99 $7.99 20% off with code THANKU
    69% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)Price Drop
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size 4
    $9.99 $7.99 20% off with code THANKU
    50% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)Price Drop
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size 3-6 mo
    $7.99 $6.39 20% off with code THANKU
    60% off estimated retail
    OshKosh B'gosh Rash Guard (view 2)OshKosh B'gosh Rash Guard (view 1)Price Drop
    View Product: OshKosh B'gosh Rash Guard

    OshKosh B'gosh

    Rash Guard
    Size 10
    $9.99 $7.99 20% off with code THANKU
    58% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)Price Drop
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size X-Small kids
    $9.99 $7.99 20% off with code THANKU
    50% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)Price Drop
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size X-Small kids
    $8.99 $7.19 20% off with code THANKU
    55% off estimated retail
    Cat & Jack One Piece Swimsuit (view 2)Cat & Jack One Piece Swimsuit (view 1)Price Drop
    View Product: Cat & Jack One Piece Swimsuit

    Cat & Jack

    One Piece Swimsuit
    Size 6-9 mo
    $8.99 $7.19 20% off with code THANKU
    47% off estimated retail
    Snapper Rock Rash Guard (view 2)Snapper Rock Rash Guard (view 1)Price Drop
    View Product: Snapper Rock Rash Guard

    Snapper Rock

    Rash Guard
    Size 12
    $9.99 $7.99 20% off with code THANKU
    60% off estimated retail
    Janie and Jack Rash Guard (view 2)Janie and Jack Rash Guard (view 1)Price Drop
    View Product: Janie and Jack Rash Guard

    Janie and Jack

    Rash Guard
    Size 3-6 mo
    $7.99 $6.39 20% off with code THANKU
    74% off estimated retail
    Skechers Rash Guard (view 2)Skechers Rash Guard (view 1)Price Drop
    View Product: Skechers Rash Guard

    Skechers

    Rash Guard
    Size 12
    $8.99 $7.19 20% off with code THANKU
    78% off estimated retail
    Gap Two Piece Swimsuit (view 2)Gap Two Piece Swimsuit (view 1)Price Drop
    View Product: Gap Two Piece Swimsuit

    Gap

    Two Piece Swimsuit
    Size Small infants
    $9.99 $7.99 20% off with code THANKU
    52% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)Price Drop
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size 10
    $7.99 $6.39 20% off with code THANKU
    60% off estimated retail
    Assorted Brands Rash Guard (view 2)Assorted Brands Rash Guard (view 1)Price Drop
    View Product: Assorted Brands Rash Guard

    Assorted Brands

    Rash Guard
    Size 9 mo
    $8.99 $7.19 20% off with code THANKU
    59% off estimated retail
    Gymboree One Piece Swimsuit (view 2)Gymboree One Piece Swimsuit (view 1)Price Drop
    View Product: Gymboree One Piece Swimsuit

    Gymboree

    One Piece Swimsuit
    Size 18-24 mo
    $8.99 $7.19 20% off with code THANKU
    66% off estimated retail
    More Than Magic Rash Guard (view 2)More Than Magic Rash Guard (view 1)Price Drop
    View Product: More Than Magic Rash Guard

    More Than Magic

    Rash Guard
    Size 4
    $6.99 $5.59 20% off with code THANKU
    46% off estimated retail
    Gymboree One Piece Swimsuit (view 2)Gymboree One Piece Swimsuit (view 1)Price Drop
    View Product: Gymboree One Piece Swimsuit

    Gymboree

    One Piece Swimsuit
    Size 12-18 mo
    $7.99 $6.39 20% off with code THANKU
    68% off estimated retail
    Plaid Fish One Piece Swimsuit (view 2)Plaid Fish One Piece Swimsuit (view 1)Price Drop
    View Product: Plaid Fish One Piece Swimsuit

    Plaid Fish

    One Piece Swimsuit
    Size 18 mo
    $7.99 $6.39 20% off with code THANKU
    20% off estimated retail
    More Than Magic Rash Guard (view 2)More Than Magic Rash Guard (view 1)Price Drop
    View Product: More Than Magic Rash Guard

    More Than Magic

    Rash Guard
    Size 4
    $8.99 $7.19 20% off with code THANKU
    30% off estimated retail
    More Than Magic Rash Guard (view 2)More Than Magic Rash Guard (view 1)Price Drop
    View Product: More Than Magic Rash Guard

    More Than Magic

    Rash Guard
    Size X-Small kids
    $8.99 $7.19 20% off with code THANKU
    30% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)Price Drop
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size Small tots
    $7.99 $6.39 20% off with code THANKU
    20% off estimated retail
    Unbranded Two Piece Swimsuit (view 2)Unbranded Two Piece Swimsuit (view 1)Price Drop
    View Product: Unbranded Two Piece Swimsuit

    Unbranded

    Two Piece Swimsuit
    Size 24 mo
    $8.99 $7.19 20% off with code THANKU
    55% off estimated retail
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)Price Drop
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size Small kids
    $8.99 $7.19 20% off with code THANKU
    30% off estimated retail
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