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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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    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 3T
    $7.99
    42% off estimated retail
    Hanna Andersson Rash Guard (view 2)Hanna Andersson Rash Guard (view 1)
    View Product: Hanna Andersson Rash Guard

    Hanna Andersson

    Rash Guard
    Size 3T
    $26.99
    34% 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 3T
    $14.99
    61% 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 3T
    $12.99
    27% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    UV Skinz Rash Guard (view 2)UV Skinz Rash Guard (view 1)
    View Product: UV Skinz Rash Guard

    UV Skinz

    Rash Guard
    Size 3T
    $14.99
    55% 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 3T
    $10.99
    35% 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 3T
    $10.99
    21% off estimated retail
    Disney One Piece Swimsuit (view 2)Disney One Piece Swimsuit (view 1)
    View Product: Disney One Piece Swimsuit

    Disney

    One Piece Swimsuit
    Size 3T
    $12.99
    50% off estimated retail
    Gymboree Two Piece Swimsuit (view 2)Gymboree Two Piece Swimsuit (view 1)
    View Product: Gymboree Two Piece Swimsuit

    Gymboree

    Two Piece Swimsuit
    Size 3T
    $18.99
    29% 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 3T
    $13.99
    22% off estimated retail
    UV Skinz Rash Guard (view 2)UV Skinz Rash Guard (view 1)
    View Product: UV Skinz Rash Guard

    UV Skinz

    Rash Guard
    Size 3T
    $15.99
    52% 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 3T
    $12.99
    27% 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 3T
    $8.99
    47% off estimated retail
    Disney Fairies One Piece Swimsuit (view 2)Disney Fairies One Piece Swimsuit (view 1)
    View Product: Disney Fairies One Piece Swimsuit

    Disney Fairies

    One Piece Swimsuit
    Size 3T
    $9.99
    35% 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 3T
    $10.99
    71% off estimated retail
    Carter's Rash Guard (view 2)Carter's Rash Guard (view 1)
    View Product: Carter's Rash Guard

    Carter's

    Rash Guard
    Size 3T
    $12.99
    56% 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 3T
    $8.99
    47% off estimated retail
    Tommy Bahama One Piece Swimsuit (view 2)Tommy Bahama One Piece Swimsuit (view 1)
    View Product: Tommy Bahama One Piece Swimsuit

    Tommy Bahama

    One Piece Swimsuit
    Size 3T
    $18.99
    44% 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 3T
    $9.99
    41% off estimated retail
    Cocomelon One Piece Swimsuit (view 2)Cocomelon One Piece Swimsuit (view 1)
    View Product: Cocomelon One Piece Swimsuit

    Cocomelon

    One Piece Swimsuit
    Size 3T
    $15.99
    40% off estimated retail
    Lands' End One Piece Swimsuit (view 2)Lands' End One Piece Swimsuit (view 1)
    View Product: Lands' End One Piece Swimsuit

    Lands' End

    One Piece Swimsuit
    Size 3T
    $23.99
    47% 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 3T
    $19.99
    63% 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 3T
    $15.99
    23% off estimated retail
    Assorted Brands Rash Guard (view 2)Assorted Brands Rash Guard (view 1)
    View Product: Assorted Brands Rash Guard

    Assorted Brands

    Rash Guard
    Size 3T
    $15.99
    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 3T
    $11.99 $12
    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 3T
    $12.99
    23% off estimated retail
    Cecil and Lou One Piece Swimsuit (view 2)Cecil and Lou One Piece Swimsuit (view 1)
    View Product: Cecil and Lou One Piece Swimsuit

    Cecil and Lou

    One Piece Swimsuit
    Size 3T
    $8.99
    47% 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 3T
    $9.99
    41% off estimated retail
    Polo by Ralph Lauren One Piece Swimsuit (view 2)Polo by Ralph Lauren One Piece Swimsuit (view 1)
    View Product: Polo by Ralph Lauren One Piece Swimsuit

    Polo by Ralph Lauren

    One Piece Swimsuit
    Size 3T
    $22.99
    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 3T
    $13.99 $11.19 20% off with code HOTDEAL
    29% off estimated retail
    Gymboree Rash Guard (view 2)Gymboree Rash Guard (view 1)
    View Product: Gymboree Rash Guard

    Gymboree

    Rash Guard
    Size 3T
    $16.99 $13.59 20% off with code HOTDEAL
    39% 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 3T
    $9.99 $7.99 20% off with code HOTDEAL
    50% 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 3T
    $22.99 $17.24 25% off with code HOTDEAL
    29% 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 3T
    $22.99 $17.24 25% off with code HOTDEAL
    29% off estimated retail
    UV Skinz Rash Guard (view 2)UV Skinz Rash Guard (view 1)
    View Product: UV Skinz Rash Guard

    UV Skinz

    Rash Guard
    Size 3T
    $12.99 $10.39 20% off with code HOTDEAL
    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 3T
    $10.99 $8.79 20% off with code HOTDEAL
    47% 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 3T
    $22.99 $17.24 25% off with code HOTDEAL
    29% off estimated retail
    Ruffle Butts Rash Guard (view 2)Ruffle Butts Rash Guard (view 1)
    View Product: Ruffle Butts Rash Guard

    Ruffle Butts

    Rash Guard
    Size 3T
    $8.99 $7.19 20% off with code HOTDEAL
    42% off estimated retail
    Penelope Mack One Piece Swimsuit (view 2)Penelope Mack One Piece Swimsuit (view 1)
    View Product: Penelope Mack One Piece Swimsuit

    Penelope Mack

    One Piece Swimsuit
    Size 3T
    $16.99 $13.59 20% off with code HOTDEAL
    48% off estimated retail
    Ruffle Butts Rash Guard (view 2)Ruffle Butts Rash Guard (view 1)
    View Product: Ruffle Butts Rash Guard

    Ruffle Butts

    Rash Guard
    Size 3T
    $10.99 $8.79 20% off with code HOTDEAL
    35% off estimated retail
    UV Skinz Rash Guard (view 2)UV Skinz Rash Guard (view 1)
    View Product: UV Skinz Rash Guard

    UV Skinz

    Rash Guard
    Size 3T
    $17.99 $12.59 30% off with code HOTDEAL
    55% off estimated retail
    Hula Star One Piece Swimsuit (view 2)Hula Star One Piece Swimsuit (view 1)
    View Product: Hula Star One Piece Swimsuit

    Hula Star

    One Piece Swimsuit
    Size 3T
    $10.99 $8.79 20% off with code HOTDEAL
    50% off estimated retail
    Floatimini Rash Guard (view 2)Floatimini Rash Guard (view 1)
    View Product: Floatimini Rash Guard

    Floatimini

    Rash Guard
    Size 3T
    $23.99 $16.79 30% off with code HOTDEAL
    70% off estimated retail
    Kanu Surf Board Shorts (view 2)Kanu Surf Board Shorts (view 1)
    View Product: Kanu Surf Board Shorts

    Kanu Surf

    Board Shorts
    Size 3T
    $8.99 $7.19 20% off with code HOTDEAL
    50% off estimated retail
    Kanu Surf Board Shorts (view 2)Kanu Surf Board Shorts (view 1)
    View Product: Kanu Surf Board Shorts

    Kanu Surf

    Board Shorts
    Size 3T
    $8.99 $7.19 20% off with code HOTDEAL
    50% off estimated retail
    Kanu Surf Board Shorts (view 2)Kanu Surf Board Shorts (view 1)
    View Product: Kanu Surf Board Shorts

    Kanu Surf

    Board Shorts
    Size 3T
    $8.99 $7.19 20% off with code HOTDEAL
    50% 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 3T
    $12.99 $9.74 25% off with code HOTDEAL
    33% off estimated retail
    Tommy Hilfiger One Piece Swimsuit (view 2)Tommy Hilfiger One Piece Swimsuit (view 1)
    View Product: Tommy Hilfiger One Piece Swimsuit

    Tommy Hilfiger

    One Piece Swimsuit
    Size 3T
    $10.99 $8.79 20% off with code HOTDEAL
    70% off estimated retail
    Floatimini One Piece Swimsuit (view 2)Floatimini One Piece Swimsuit (view 1)
    View Product: Floatimini One Piece Swimsuit

    Floatimini

    One Piece Swimsuit
    Size 3T
    $22.99 $16.09 30% off with code HOTDEAL
    72% 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 3T
    $13.99 $10.49 25% off with code HOTDEAL
    27% 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 3T
    $16.99 $12.74 25% off with code HOTDEAL
    17% off estimated retail
    Old Navy Two Piece Swimsuit (view 2)Old Navy Two Piece Swimsuit (view 1)
    View Product: Old Navy Two Piece Swimsuit

    Old Navy

    Two Piece Swimsuit
    Size 3T
    $15.99 $11.19 30% off with code HOTDEAL
    16% 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 3T
    $15.99 $11.99 25% off with code HOTDEAL
    23% 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 3T
    $14.99 $10.49 30% off with code HOTDEAL
    48% off estimated retail
    Disney One Piece Swimsuit (view 2)Disney One Piece Swimsuit (view 1)
    View Product: Disney One Piece Swimsuit

    Disney

    One Piece Swimsuit
    Size 3T
    $17.99 $12.59 30% off with code HOTDEAL
    42% off estimated retail
    Nicole Miller New York One Piece Swimsuit (view 2)Nicole Miller New York One Piece Swimsuit (view 1)
    View Product: Nicole Miller New York One Piece Swimsuit

    Nicole Miller New York

    One Piece Swimsuit
    Size 3T
    $14.99 $11.99 20% off with code HOTDEAL
    35% 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 3T
    $16.99 $11.89 30% off with code HOTDEAL
    64% off estimated retail
    UV Skinz Rash Guard (view 2)UV Skinz Rash Guard (view 1)
    View Product: UV Skinz Rash Guard

    UV Skinz

    Rash Guard
    Size 3T
    $17.99 $14.39 20% off with code HOTDEAL
    55% off estimated retail
    Egg New York One Piece Swimsuit (view 2)Egg New York One Piece Swimsuit (view 1)
    View Product: Egg New York One Piece Swimsuit

    Egg New York

    One Piece Swimsuit
    Size 3T
    $28.99 $18.84 35% off with code HOTDEAL
    64% 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 3T
    $12.99 $9.74 25% off with code HOTDEAL
    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 3T
    $13.99 $11.19 20% off with code HOTDEAL
    29% off estimated retail
    Gymboree Two Piece Swimsuit (view 2)Gymboree Two Piece Swimsuit (view 1)
    View Product: Gymboree Two Piece Swimsuit

    Gymboree

    Two Piece Swimsuit
    Size 3T
    $22.99 $18.39 20% off with code HOTDEAL
    29% 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 3T
    $14.99 $11.24 25% off with code HOTDEAL
    48% 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 3T
    $13.99 $11.19 20% off with code HOTDEAL
    29% off estimated retail
    Andy & Evan One Piece Swimsuit (view 2)Andy & Evan One Piece Swimsuit (view 1)
    View Product: Andy & Evan One Piece Swimsuit

    Andy & Evan

    One Piece Swimsuit
    Size 3T
    $20.99 $15.74 25% off with code HOTDEAL
    75% off estimated retail
    Limited Too One Piece Swimsuit (view 2)Limited Too One Piece Swimsuit (view 1)
    View Product: Limited Too One Piece Swimsuit

    Limited Too

    One Piece Swimsuit
    Size 3T
    $17.99 $14.39 20% off with code HOTDEAL
    44% off estimated retail
    Op Rash Guard (view 2)Op Rash Guard (view 1)Price Drop
    View Product: Op Rash Guard

    Op

    Rash Guard
    Size 3T
    $10.99 $8.79 20% off with code HOTDEAL
    57% off estimated retail
    Kids Ink One Piece Swimsuit (view 2)Kids Ink One Piece Swimsuit (view 1)
    View Product: Kids Ink One Piece Swimsuit

    Kids Ink

    One Piece Swimsuit
    Size 3T
    $20.99 $15.74 25% off with code HOTDEAL
    44% off estimated retail
    H&M One Piece Swimsuit (view 2)H&M One Piece Swimsuit (view 1)
    View Product: H&M One Piece Swimsuit

    H&M

    One Piece Swimsuit
    Size 3T
    $10.99 $8.79 20% off with code HOTDEAL
    37% off estimated retail
    Assorted Brands Wetsuit (view 2)Assorted Brands Wetsuit (view 1)Price Drop
    View Product: Assorted Brands Wetsuit

    Assorted Brands

    Wetsuit
    Size 3T
    $23.99 $15.59 35% off with code HOTDEAL
    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 3T
    $23.99 $8.40 65% off with code HOTDEAL
    63% off estimated retail
    Jessica Simpson One Piece Swimsuit (view 2)Jessica Simpson One Piece Swimsuit (view 1)
    View Product: Jessica Simpson One Piece Swimsuit

    Jessica Simpson

    One Piece Swimsuit
    Size 3T
    $12.99 $8.44 35% off with code HOTDEAL
    40% 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 3T
    $13.99 $9.09 35% off with code HOTDEAL
    27% off estimated retail
    Disney x Jumping Beans One Piece Swimsuit (view 2)Disney x Jumping Beans One Piece Swimsuit (view 1)Price Drop
    View Product: Disney x Jumping Beans One Piece Swimsuit

    Disney x Jumping Beans

    One Piece Swimsuit
    Size 3T
    $9.99 $5.99 40% off with code HOTDEAL
    41% off estimated retail
    Dolfin One Piece Swimsuit (view 2)Dolfin One Piece Swimsuit (view 1)Price Drop
    View Product: Dolfin One Piece Swimsuit

    Dolfin

    One Piece Swimsuit
    Size 3T
    $10.99 $6.59 40% off with code HOTDEAL
    50% 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 3T
    $10.99 $6.59 40% off with code HOTDEAL
    28% off estimated retail
    Cat & Jack Two Piece Swimsuit (view 2)Cat & Jack Two Piece Swimsuit (view 1)Price Drop
    View Product: Cat & Jack Two Piece Swimsuit

    Cat & Jack

    Two Piece Swimsuit
    Size 3T
    $13.99 $8.39 40% off with code HOTDEAL
    29% 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 3T
    $13.24 $7.94 40% off with code HOTDEAL
    50% off estimated retail
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