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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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70 items
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    Abercrombie Two Piece Swimsuit (view 2)Abercrombie Two Piece Swimsuit (view 1)
    View Product: Abercrombie Two Piece Swimsuit

    Abercrombie

    Two Piece Swimsuit
    Size 7
    $11.99
    67% 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
    Eddie Bauer Rash Guard (view 2)Eddie Bauer Rash Guard (view 1)
    View Product: Eddie Bauer Rash Guard

    Eddie Bauer

    Rash Guard
    Size 7
    $10.99
    66% 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
    $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 7
    $15.99
    23% 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
    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
    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
    $13.99
    17% 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
    $15.99
    23% 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
    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
    $11.99
    41% off estimated retail
    Speedo One Piece Swimsuit (view 2)Speedo One Piece Swimsuit (view 1)
    View Product: Speedo One Piece Swimsuit

    Speedo

    One Piece Swimsuit
    Size 7
    $13.99
    44% 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
    Lands' End Rash Guard (view 2)Lands' End Rash Guard (view 1)
    View Product: Lands' End Rash Guard

    Lands' End

    Rash Guard
    Size 7
    $26.99
    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
    $12.99
    23% off estimated retail
    Lands' End Rash Guard (view 2)Lands' End Rash Guard (view 1)
    View Product: Lands' End Rash Guard

    Lands' End

    Rash Guard
    Size 7
    $26.99
    39% off estimated retail
    Marimekko for Target Swimsuit Cover Up (view 2)Marimekko for Target Swimsuit Cover Up (view 1)
    View Product: Marimekko for Target Swimsuit Cover Up

    Marimekko for Target

    Swimsuit Cover Up
    Size 3T
    $9.99
    55% 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
    $25.99
    64% off estimated retail
    Abercrombie Two Piece Swimsuit (view 2)Abercrombie Two Piece Swimsuit (view 1)
    View Product: Abercrombie Two Piece Swimsuit

    Abercrombie

    Two Piece Swimsuit
    Size 7
    $12.99
    67% off estimated retail
    Abercrombie Two Piece Swimsuit (view 2)Abercrombie Two Piece Swimsuit (view 1)
    View Product: Abercrombie Two Piece Swimsuit

    Abercrombie

    Two Piece Swimsuit
    Size 7
    $13.99
    64% 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 7
    $11.99
    66% 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
    $11.99
    41% 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
    $11.99
    41% 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
    BMG One Piece Swimsuit (view 2)BMG One Piece Swimsuit (view 1)
    View Product: BMG One Piece Swimsuit

    BMG

    One Piece Swimsuit
    Size 7
    $21.99 $16.49 25% off with code HOTDEAL
    39% 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
    Athleta Two Piece Swimsuit (view 2)Athleta Two Piece Swimsuit (view 1)
    View Product: Athleta Two Piece Swimsuit

    Athleta

    Two Piece Swimsuit
    Size 7
    $27.99 $16.79 40% off with code HOTDEAL
    49% off estimated retail
    Gymboree Rash Guard (view 2)Gymboree Rash Guard (view 1)
    View Product: Gymboree Rash Guard

    Gymboree

    Rash Guard
    Size 7
    $12.99 $9.74 25% off with code HOTDEAL
    52% 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
    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
    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
    $12.99 $9.74 25% off with code HOTDEAL
    35% 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 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
    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
    Kian D. Los Angeles Two Piece Swimsuit (view 2)Kian D. Los Angeles Two Piece Swimsuit (view 1)
    View Product: Kian D. Los Angeles Two Piece Swimsuit

    Kian D. Los Angeles

    Two Piece Swimsuit
    Size 7
    $6.99 $5.59 20% off with code HOTDEAL
    84% 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
    $19.99 $14.99 25% off with code HOTDEAL
    42% 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 7
    $17.99 $12.59 30% off with code HOTDEAL
    61% 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
    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
    Justice One Piece Swimsuit (view 2)Justice One Piece Swimsuit (view 1)
    View Product: Justice One Piece Swimsuit

    Justice

    One Piece Swimsuit
    Size 7
    $21.99 $14.29 35% off with code HOTDEAL
    52% 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 7
    $12.99 $9.74 25% off with code HOTDEAL
    63% 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
    Shade Critters Rash Guard (view 2)Shade Critters Rash Guard (view 1)
    View Product: Shade Critters Rash Guard

    Shade Critters

    Rash Guard
    Size 7
    $28.99 $20.29 30% off with code HOTDEAL
    63% 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
    Cat & Jack Rash Guard (view 2)Cat & Jack Rash Guard (view 1)
    View Product: Cat & Jack Rash Guard

    Cat & Jack

    Rash Guard
    Size 7
    $11.99 $9.59 20% off with code HOTDEAL
    50% off estimated retail
    Art Class Two Piece Swimsuit (view 2)Art Class Two Piece Swimsuit (view 1)
    View Product: Art Class Two Piece Swimsuit

    Art Class

    Two Piece Swimsuit
    Size 7
    $12.99 $10.39 20% off with code HOTDEAL
    45% off estimated retail
    Eddie Bauer Rash Guard (view 2)Eddie Bauer Rash Guard (view 1)
    View Product: Eddie Bauer Rash Guard

    Eddie Bauer

    Rash Guard
    Size 7
    $12.99 $10.39 20% off with code HOTDEAL
    63% 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
    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
    Breaking Waves One Piece Swimsuit (view 2)Breaking Waves One Piece Swimsuit (view 1)Price Drop
    View Product: Breaking Waves One Piece Swimsuit

    Breaking Waves

    One Piece Swimsuit
    Size 7
    $13.99 $9.09 35% off with code HOTDEAL
    35% off estimated retail
    Art Class Rash Guard (view 2)Art Class Rash Guard (view 1)Price Drop
    View Product: Art Class Rash Guard

    Art Class

    Rash Guard
    Size 7
    $13.99 $8.39 40% off with code HOTDEAL
    45% off estimated retail
    Justice Rash Guard (view 2)Justice Rash Guard (view 1)Price Drop
    View Product: Justice Rash Guard

    Justice

    Rash Guard
    Size 7
    $14.99 $8.24 45% off with code HOTDEAL
    63% 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
    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
    $8.99 $5.39 40% off with code HOTDEAL
    50% 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 7
    $10.99 $5.50 50% off with code HOTDEAL
    72% off estimated retail
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