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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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    Lands' End Swimsuit Cover Up (view 2)Lands' End Swimsuit Cover Up (view 1)
    View Product: Lands' End Swimsuit Cover Up

    Lands' End

    Swimsuit Cover Up
    Size 2
    $22.99 $12.64 45% off with code GOBIG
    39% off estimated retail
    Baby Gap Swimsuit Cover Up (view 2)Baby Gap Swimsuit Cover Up (view 1)
    View Product: Baby Gap Swimsuit Cover Up

    Baby Gap

    Swimsuit Cover Up
    Size 3T
    $16.99 $9.34 45% off with code GOBIG
    51% off estimated retail
    Hanna Andersson One Piece Swimsuit (view 2)Hanna Andersson One Piece Swimsuit (view 1)
    View Product: Hanna Andersson One Piece Swimsuit

    Hanna Andersson

    One Piece Swimsuit
    Size 6
    $22.99 $12.64 45% off with code GOBIG
    43% off estimated retail
    Ralph Lauren Swimsuit Cover Up (view 2)Ralph Lauren Swimsuit Cover Up (view 1)New With Tags
    View Product: Ralph Lauren Swimsuit Cover Up

    Ralph Lauren

    Swimsuit Cover Up
    Size 5
    $18.99 $10.44 45% off with code GOBIG
    61% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    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 7
    $15.99 $8.79 45% off with code GOBIG
    51% off estimated retail
    Disney Swimsuit Cover Up (view 2)Disney Swimsuit Cover Up (view 1)
    View Product: Disney Swimsuit Cover Up

    Disney

    Swimsuit Cover Up
    Size 7
    $10.99 $6.04 45% off with code GOBIG
    31% off estimated retail
    Gap Kids Swimsuit Cover Up (view 2)Gap Kids Swimsuit Cover Up (view 1)
    View Product: Gap Kids Swimsuit Cover Up

    Gap Kids

    Swimsuit Cover Up
    Size X-Large youth
    $19.99 $10.99 45% off with code GOBIG
    42% off estimated retail
    Ruffle Butts Swimsuit Cover Up (view 2)Ruffle Butts Swimsuit Cover Up (view 1)
    View Product: Ruffle Butts Swimsuit Cover Up

    Ruffle Butts

    Swimsuit Cover Up
    Size 12-18 mo
    $7.99 $4.39 45% off with code GOBIG
    27% off estimated retail
    Hanna Andersson Swimsuit Cover Up (view 2)Hanna Andersson Swimsuit Cover Up (view 1)
    View Product: Hanna Andersson Swimsuit Cover Up

    Hanna Andersson

    Swimsuit Cover Up
    Size 6
    $20.99 $11.54 45% off with code GOBIG
    53% 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 4T
    $13.99 $7.69 45% off with code GOBIG
    17% off estimated retail
    OshKosh B'gosh Board Shorts (view 2)OshKosh B'gosh Board Shorts (view 1)
    View Product: OshKosh B'gosh Board Shorts

    OshKosh B'gosh

    Board Shorts
    Size 2T
    $9.99 $5.49 45% off with code GOBIG
    47% off estimated retail
    Carter's Swimsuit Cover Up (view 2)Carter's Swimsuit Cover Up (view 1)
    View Product: Carter's Swimsuit Cover Up

    Carter's

    Swimsuit Cover Up
    Size 7
    $15.99 $8.79 45% off with code GOBIG
    51% off estimated retail
    Cabana Life Swimsuit Cover Up (view 2)Cabana Life Swimsuit Cover Up (view 1)
    View Product: Cabana Life Swimsuit Cover Up

    Cabana Life

    Swimsuit Cover Up
    Size 7
    $25.99 $14.29 45% off with code GOBIG
    60% off estimated retail
    Snapper Rock Swimsuit Cover Up (view 2)Snapper Rock Swimsuit Cover Up (view 1)
    View Product: Snapper Rock Swimsuit Cover Up

    Snapper Rock

    Swimsuit Cover Up
    Size 14
    $16.99 $9.34 45% off with code GOBIG
    32% off estimated retail
    Unbranded Wetsuit (view 2)Unbranded Wetsuit (view 1)
    View Product: Unbranded Wetsuit

    Unbranded

    Wetsuit
    Size 100 cm
    $23.99 $13.19 45% off with code GOBIG
    56% off estimated retail
    Cat & Jack Swimsuit Cover Up (view 2)Cat & Jack Swimsuit Cover Up (view 1)
    View Product: Cat & Jack Swimsuit Cover Up

    Cat & Jack

    Swimsuit Cover Up
    Size 10
    $9.99 $5.49 45% off with code GOBIG
    41% off estimated retail
    Gymboree Swimsuit Cover Up (view 2)Gymboree Swimsuit Cover Up (view 1)
    View Product: Gymboree Swimsuit Cover Up

    Gymboree

    Swimsuit Cover Up
    Size 5
    $18.99 $10.44 45% off with code GOBIG
    29% off estimated retail
    Carter's Swimsuit Cover Up (view 2)Carter's Swimsuit Cover Up (view 1)
    View Product: Carter's Swimsuit Cover Up

    Carter's

    Swimsuit Cover Up
    Size 9 mo
    $13.99 $7.69 45% off with code GOBIG
    36% off estimated retail
    Assorted Brands Swimsuit Cover Up (view 2)Assorted Brands Swimsuit Cover Up (view 1)
    View Product: Assorted Brands Swimsuit Cover Up

    Assorted Brands

    Swimsuit Cover Up
    Size 12 mo
    $9.99 $5.49 45% off with code GOBIG
    54% off estimated retail
    Eyelet & Ivy Board Shorts (view 2)Eyelet & Ivy Board Shorts (view 1)New With Tags
    View Product: Eyelet & Ivy Board Shorts

    Eyelet & Ivy

    Board Shorts
    Size 14
    $12.99 $7.14 45% off with code GOBIG
    60% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 2T
    $7.99 $4.39 45% off with code GOBIG
    42% off estimated retail
    Sol Swim Swimsuit Cover Up (view 2)Sol Swim Swimsuit Cover Up (view 1)
    View Product: Sol Swim Swimsuit Cover Up

    Sol Swim

    Swimsuit Cover Up
    Size 12 mo
    $10.99 $6.04 45% off with code GOBIG
    50% off estimated retail
    Stella Cove One Piece Swimsuit (view 2)Stella Cove One Piece Swimsuit (view 1)
    View Product: Stella Cove One Piece Swimsuit

    Stella Cove

    One Piece Swimsuit
    Size 4
    $18.99 $10.44 45% off with code GOBIG
    44% off estimated retail
    Juicy Couture Swimsuit Cover Up (view 2)Juicy Couture Swimsuit Cover Up (view 1)
    View Product: Juicy Couture Swimsuit Cover Up

    Juicy Couture

    Swimsuit Cover Up
    Size 18 mo
    $12.99 $7.14 45% off with code GOBIG
    70% off estimated retail
    Bloch One Piece Swimsuit (view 2)Bloch One Piece Swimsuit (view 1)
    View Product: Bloch One Piece Swimsuit

    Bloch

    One Piece Swimsuit
    Size 4
    $12.99 $7.14 45% off with code GOBIG
    51% 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 7
    $9.99 $5.49 45% off with code GOBIG
    41% 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 110 cm
    $12.99 $7.14 45% off with code GOBIG
    51% off estimated retail
    Danshuz One Piece Swimsuit (view 2)Danshuz One Piece Swimsuit (view 1)
    View Product: Danshuz One Piece Swimsuit

    Danshuz

    One Piece Swimsuit
    Size 6X
    $14.99 $8.24 45% off with code GOBIG
    40% 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 100 cm
    $10.99 $6.04 45% off with code GOBIG
    59% 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 90 cm
    $5.99 $3.29 45% off with code GOBIG
    72% off estimated retail
    Jacques Moret One Piece Swimsuit (view 2)Jacques Moret One Piece Swimsuit (view 1)
    View Product: Jacques Moret One Piece Swimsuit

    Jacques Moret

    One Piece Swimsuit
    Size 12
    $7.99 $4.39 45% off with code GOBIG
    50% off estimated retail
    Unbranded Rash Guard (view 2)Unbranded Rash Guard (view 1)Price Drop
    View Product: Unbranded Rash Guard

    Unbranded

    Rash Guard
    Size 80 cm
    $9.99 $5.49 45% off with code GOBIG
    54% off estimated retail
    Splendid Board Shorts (view 2)Splendid Board Shorts (view 1)
    View Product: Splendid Board Shorts

    Splendid

    Board Shorts
    Size 6-12 mo
    $10.99 $6.04 45% off with code GOBIG
    50% off estimated retail
    Goode Rider Rash Guard (view 2)Goode Rider Rash Guard (view 1)Price Drop
    View Product: Goode Rider Rash Guard

    Goode Rider

    Rash Guard
    Size 14
    $22.99 $12.64 45% off with code GOBIG
    64% off estimated retail
    Coolies Rash Guard (view 2)Coolies Rash Guard (view 1)Price Drop
    View Product: Coolies Rash Guard

    Coolies

    Rash Guard
    Size 10
    $15.99 $8.79 45% off with code GOBIG
    51% off estimated retail
    boo gemes Swimsuit Cover Up (view 2)boo gemes Swimsuit Cover Up (view 1)Price Drop
    View Product: boo gemes Swimsuit Cover Up

    boo gemes

    Swimsuit Cover Up
    Size 8
    $23.99 $13.19 45% off with code GOBIG
    68% 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 0-3 mo
    $10.99 $6.04 45% off with code GOBIG
    50% off estimated retail
    Gap Kids Board Shorts (view 2)Gap Kids Board Shorts (view 1)Price Drop
    View Product: Gap Kids Board Shorts

    Gap Kids

    Board Shorts
    Size X-Small kids
    $12.99 $7.14 45% off with code GOBIG
    59% off estimated retail
    Dreamworks One Piece Swimsuit (view 2)Dreamworks One Piece Swimsuit (view 1)
    View Product: Dreamworks One Piece Swimsuit

    Dreamworks

    One Piece Swimsuit
    Size 6
    $7.99 $4.39 45% off with code GOBIG
    50% off estimated retail
    Elle Two Piece Swimsuit (view 2)Elle Two Piece Swimsuit (view 1)
    View Product: Elle Two Piece Swimsuit

    Elle

    Two Piece Swimsuit
    Size 50 cm
    $6.99 $3.84 45% off with code GOBIG
    73% off estimated retail
    Justice Swimsuit Cover Up (view 2)Justice Swimsuit Cover Up (view 1)
    View Product: Justice Swimsuit Cover Up

    Justice

    Swimsuit Cover Up
    Size Small kids
    $9.99 $5.49 45% off with code GOBIG
    63% off estimated retail
    SO Two Piece Swimsuit (view 2)SO Two Piece Swimsuit (view 1)Price Drop
    View Product: SO Two Piece Swimsuit

    SO

    Two Piece Swimsuit
    Size X-Large kids
    $10.99 $6.04 45% off with code GOBIG
    56% off estimated retail
    Gap Kids One Piece Swimsuit (view 2)Gap Kids One Piece Swimsuit (view 1)Price Drop
    View Product: Gap Kids One Piece Swimsuit

    Gap Kids

    One Piece Swimsuit
    Size 8
    $10.99 $6.04 45% off with code GOBIG
    74% off estimated retail
    Heart & Hips One Piece Swimsuit (view 2)Heart & Hips One Piece Swimsuit (view 1)Price Drop
    View Product: Heart & Hips One Piece Swimsuit

    Heart & Hips

    One Piece Swimsuit
    Size Small youth
    $9.99 $5.49 45% off with code GOBIG
    37% off estimated retail
    Miles Board Shorts (view 2)Miles Board Shorts (view 1)Price Drop
    View Product: Miles Board Shorts

    Miles

    Board Shorts
    Size 18 mo
    $8.99 $4.94 45% off with code GOBIG
    50% off estimated retail
    Peek-a-boo Swimsuit Cover Up (view 2)Peek-a-boo Swimsuit Cover Up (view 1)Price Drop
    View Product: Peek-a-boo Swimsuit Cover Up

    Peek-a-boo

    Swimsuit Cover Up
    Size 24 mo
    $6.99 $3.84 45% off with code GOBIG
    36% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)Price Drop
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size Up to 7lbs
    $9.99 $5.49 45% off with code GOBIG
    52% off estimated retail
    H&M Board Shorts (view 2)H&M Board Shorts (view 1)Price Drop
    View Product: H&M Board Shorts

    H&M

    Board Shorts
    Size Up to 7lbs
    $9.99 $5.49 45% off with code GOBIG
    28% off estimated retail
    Assorted Brands Swimsuit Cover Up (view 2)Assorted Brands Swimsuit Cover Up (view 1)Price Drop
    View Product: Assorted Brands Swimsuit Cover Up

    Assorted Brands

    Swimsuit Cover Up
    Size 2
    $9.99 $5.49 45% off with code GOBIG
    54% off estimated retail
    Gap One Piece Swimsuit (view 2)Gap One Piece Swimsuit (view 1)Price Drop
    View Product: Gap One Piece Swimsuit

    Gap

    One Piece Swimsuit
    Size 3-6 mo
    $9.99 $5.49 45% off with code GOBIG
    63% off estimated retail
    Tucker + Tate Board Shorts (view 2)Tucker + Tate Board Shorts (view 1)Price Drop
    View Product: Tucker + Tate Board Shorts

    Tucker + Tate

    Board Shorts
    Size 5
    $10.99 $6.04 45% off with code GOBIG
    52% off estimated retail
    Gap Kids Swimsuit Cover Up (view 2)Gap Kids Swimsuit Cover Up (view 1)Price Drop
    View Product: Gap Kids Swimsuit Cover Up

    Gap Kids

    Swimsuit Cover Up
    Size Small infants
    $9.99 $5.49 45% off with code GOBIG
    73% off estimated retail
    Old Navy Swimsuit Cover Up (view 2)Old Navy Swimsuit Cover Up (view 1)Price Drop
    View Product: Old Navy Swimsuit Cover Up

    Old Navy

    Swimsuit Cover Up
    Size 18-24 mo
    $9.99 $5.49 45% off with code GOBIG
    44% off estimated retail
    Cat & Jack Swimsuit Cover Up (view 2)Cat & Jack Swimsuit Cover Up (view 1)Price Drop
    View Product: Cat & Jack Swimsuit Cover Up

    Cat & Jack

    Swimsuit Cover Up
    Size Large kids
    $9.99 $5.49 45% off with code GOBIG
    41% off estimated retail
    Rorychen One Piece Swimsuit (view 2)Rorychen One Piece Swimsuit (view 1)Price Drop
    View Product: Rorychen One Piece Swimsuit

    Rorychen

    One Piece Swimsuit
    Size 80 cm
    $9.99 $5.49 45% off with code GOBIG
    $11
    Silly Goose Swimsuit Cover Up (view 2)Silly Goose Swimsuit Cover Up (view 1)
    View Product: Silly Goose Swimsuit Cover Up

    Silly Goose

    Swimsuit Cover Up
    Size 6
    $11.99 $6.59 45% off with code GOBIG
    63% 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 12-18 mo
    $7.99 $4.39 45% off with code GOBIG
    60% off estimated retail
    Butter Swimsuit Cover Up (view 2)Butter Swimsuit Cover Up (view 1)Price Drop
    View Product: Butter Swimsuit Cover Up

    Butter

    Swimsuit Cover Up
    Size 3-6 mo
    $8.99 $4.94 45% off with code GOBIG
    72% off estimated retail
    Baby Gap Swimsuit Cover Up (view 2)Baby Gap Swimsuit Cover Up (view 1)Price Drop
    View Product: Baby Gap Swimsuit Cover Up

    Baby Gap

    Swimsuit Cover Up
    Size 12-18 mo
    $7.99 $4.39 45% off with code GOBIG
    60% off estimated retail
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