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      • Girls' Clothing (Sizes 4 & Up)
        • Selected categorySwimwear
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        XSSMLXL45677-881010-1212Filter Applied1416
      • Type

        • One Piece (3,603) Items (3,603)
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5,400+ results

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    • US OnlyRemove filter
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    • LL Bean Kids Girls Size 12 Large Bathing Suit 2 Piece Tank Swim Skirt Purple
      LL Bean Kids Girls Size 12 Large Bathing Suit 2 Piece Tank Swim Skirt Purple
      Opens in a new window or tab
      Pre-Owned
      $27.64
      Was: $34.9921% off
      or Best Offer
      +$6.99 delivery
      Located in United States
      Free returns
      Top Rated Plus
    • TYR girls Size 12 Durafast Pink And Orange Tye Dye Swimsuit
      TYR girls Size 12 Durafast Pink And Orange Tye Dye Swimsuit
      Opens in a new window or tab
      New (Other)
      $15.00
      or Best Offer
      +$4.71 delivery
      Located in United States
      Benefits charity
    • Justice Girl’s 2 Piece Swimsuit Size 12
      Justice Girl’s 2 Piece Swimsuit Size 12
      Opens in a new window or tab
      Pre-Owned
      $10.00
      or Best Offer
      +$6.40 delivery
      Located in United States
    • Eddie Bauer Youth Girls 4-piece Reversible Swim Suit Set - Size: Medium 10/12
      Eddie Bauer Youth Girls 4-piece Reversible Swim Suit Set - Size: Medium 10/12
      Opens in a new window or tab
      Brand New
      $19.99
      or Best Offer
      +$6.90 delivery
      Located in United States
    • Athleta Girl 4 Piece Swimsuit Free Spirit Tankini & Bikini Tops w/ Bottoms Sz 12
      Athleta Girl 4 Piece Swimsuit Free Spirit Tankini & Bikini Tops w/ Bottoms Sz 12
      Opens in a new window or tab
      Pre-Owned
      $39.99
      or Best Offer
      +$6.49 delivery
      Located in United States
    • O'rageous Youth Girls 2 Piece Bikini
      O'rageous Youth Girls 2 Piece Bikini
      Opens in a new window or tab
      New (Other)
      $8.95 to $12.95
      Buy It Now
      Free delivery
      Located in United States
    • NWT GIRLS BILLABONG Return To Paradise Long Sleeve Rash Guard Paddle Suit 12 $50
      NWT GIRLS BILLABONG Return To Paradise Long Sleeve Rash Guard Paddle Suit 12 $50
      Opens in a new window or tab
      Brand New
      $27.50
      or Best Offer
      +$6.20 delivery
      Located in United States
    • Abercrombie Kids Swimsuit Size 11/12 Girls One Piece Swim
      Abercrombie Kids Swimsuit Size 11/12 Girls One Piece Swim
      Opens in a new window or tab
      Pre-Owned
      $14.99
      or Best Offer
      +$6.55 delivery
      Located in United States
    • Athleta Girl Reversible Camo Tie Dye Bikini Top & Bottom. Size 12 Large
      Athleta Girl Reversible Camo Tie Dye Bikini Top & Bottom. Size 12 Large
      Opens in a new window or tab
      Brand New
      $35.00
      Buy It Now
      +$6.55 delivery
      Located in United States
    • ROXY~NEW~2 Pc Rashguard L/S Swim Shirt & Bikini Bottoms Set~Girls Size 12~NWT
      ROXY~NEW~2 Pc Rashguard L/S Swim Shirt & Bikini Bottoms Set~Girls Size 12~NWT
      Opens in a new window or tab
      Brand New
      $24.95
      or Best Offer
      +$4.00 delivery
      Located in United States
      Free returns
      Last one
      Top Rated Plus
    • Hanna Andersson Girls US Size 12 Colorful Multi-Stripe Swim Skirt Bottom & Top
      Hanna Andersson Girls US Size 12 Colorful Multi-Stripe Swim Skirt Bottom & Top
      Opens in a new window or tab
      New (Other)
      $25.00
      or Best Offer
      +$6.84 delivery
      Located in United States
    • Athleta Girl Cut Out Bikini Set Sea Glass Multi Large L/12
      Athleta Girl Cut Out Bikini Set Sea Glass Multi Large L/12
      Opens in a new window or tab
      Brand New
      $29.95
      Buy It Now
      +$6.95 delivery
      Located in United States
      Free returns
      10 watchers
      Top Rated Plus
    • Athleta Girl Bora Bora Floral Bikini Swim Bottoms NWT Various Sizes
      Athleta Girl Bora Bora Floral Bikini Swim Bottoms NWT Various Sizes
      Opens in a new window or tab
      Brand New
      $13.59
      Was: $16.9920% off
      Buy It Now
      +$5.50 delivery
      Located in United States
    • Justice Swim! Girls Size 12 Neon Yellow/Blue One-Piece Ruffle Swimsuit
      Justice Swim! Girls Size 12 Neon Yellow/Blue One-Piece Ruffle Swimsuit
      Opens in a new window or tab
      New (Other)
      $12.00
      Buy It Now
      Free delivery in 2-3 days
      Located in United States
    • Juicy Couture Girl's 2 Piece Bikini Set Pink  MSRP $62 Holiday SALE  NEW w TAGS
      Juicy Couture Girl's 2 Piece Bikini Set Pink MSRP $62 Holiday SALE NEW w TAGS
      Opens in a new window or tab
      Brand New
      $12.40
      Was: $62.0080% off
      Buy It Now
      Free delivery
      Located in United States
      Free returns
      Top Rated Plus
    • Eddie Bauer Girls Youth 4-piece Swim Suit Set(AQUA PINK,M- 10 - 12) NWT
      Eddie Bauer Girls Youth 4-piece Swim Suit Set(AQUA PINK,M- 10 - 12) NWT
      Opens in a new window or tab
      Brand New
      $22.99
      or Best Offer
      +$5.14 delivery
      Located in United States
      Last one
    • Girl's Hurley 2 Piece Swim Shirt Pink Purple Size Medium 10 - 12 Rash Guard
      Girl's Hurley 2 Piece Swim Shirt Pink Purple Size Medium 10 - 12 Rash Guard
      Opens in a new window or tab
      Brand New
      $15.99
      Buy It Now
      +$4.00 delivery
      Located in United States
      Free returns
      Last one
      Top Rated Plus
    • Speedo Endurance + Youth Girls Athletic Swimsuit Bathing Suit Size 12 / 28 Black
      Speedo Endurance + Youth Girls Athletic Swimsuit Bathing Suit Size 12 / 28 Black
      Opens in a new window or tab
      Pre-Owned
      $19.99
      or Best Offer
      +$6.55 delivery
      Located in United States
    • NEW Girls Flower Cut Out One Piece Swimsuit Bathing Suit
      NEW Girls Flower Cut Out One Piece Swimsuit Bathing Suit
      Opens in a new window or tab
      New (Other)
      $11.99
      Buy It Now
      +$4.75 delivery
      Located in United States
      Buy 2, get 1 20% off
    • Athleta Girl Grotto Ocean Marble Cannonball Shorts Swim Bottoms NWT Various Szs
      Athleta Girl Grotto Ocean Marble Cannonball Shorts Swim Bottoms NWT Various Szs
      Opens in a new window or tab
      Brand New
      $15.99
      Was: $19.9920% off
      Buy It Now
      +$5.50 delivery
      Located in United States
      11+ watchers
    • From our popular brands

      Based on number of views and purchases | Sponsored
        • Justice Girl’s 2 Piece Swimsuit Size 12
          Justice
          Justice Girl’s 2 Piece Swimsuit Size 12
          Pre-Owned
          $10.00
          +$6.40 delivery
        • Speedo Swimsuit Floral Girls One Piece Size 12
          Speedo
          Speedo Swimsuit Floral Girls One Piece Size 12
          Pre-Owned
          $19.00
          +$4.84 delivery
        • Speedo Girl's Size 12 Athletic Racerback One Piece Swimsuit
          Speedo
          Speedo Girl's Size 12 Athletic Racerback One Piece Swimsuit
          Pre-Owned
          $16.95
          +$6.55 delivery
        • Roxy Girls Tankini Swim Set Size 12 L Yellow Floral Colorful 2 Piece Swimsuit
          ROXY
          Roxy Girls Tankini Swim Set Size 12 L Yellow Floral Colorful 2 Piece Swimsuit
          Pre-Owned
          $18.00
          +$4.52 delivery
        • 𝅺Disney Friends Disney Store Bathing Suit CoverUp Kids Size 11/12 Embroidered
          Disney
          𝅺Disney Friends Disney Store Bathing Suit CoverUp Kids Size 11/12 Embroidered
          Pre-Owned
          $8.00
          +$9.84 delivery
        • Roxy 275620 Girls Colorful Party Flutter Swim set Turf Green Dreaming Stripe,12
          ROXY
          Roxy 275620 Girls Colorful Party Flutter Swim set Turf Green Dreaming Stripe,12
          New (Other)
          $31.50
          +$4.20 delivery
        • Athleta Girl Tropics Tie Dye Cannonball Shorts Swim Bottoms
          Athleta
          Athleta Girl Tropics Tie Dye Cannonball Shorts Swim Bottoms
          Pre-Owned
          $13.00
          +$4.71 delivery
        • NWT GIRLS BILLABONG Return To Paradise Long Sleeve Rash Guard Paddle Suit 12 $50
          Billabong
          NWT GIRLS BILLABONG Return To Paradise Long Sleeve Rash Guard Paddle Suit 12 $50
          Brand New
          $27.50
          +$6.20 delivery
        • Nike swimsuit, Women’s 24/00 Girls About 12
          Nike
          Nike swimsuit, Women’s 24/00 Girls About 12
          Pre-Owned
          $7.00
          +$4.71 delivery
        • Girls ~GAP Kids~ Navy Blue Long Sleeve Bathingsuit Rashguard Size XL/12 Pristine
          Gap
          Girls ~GAP Kids~ Navy Blue Long Sleeve Bathingsuit Rashguard Size XL/12 Pristine
          Pre-Owned
          $11.99
          +$4.95 delivery
    • Roxy• Girls Nostalgic Seaside Two Piece Triangle Bikini Set Size 12
      Roxy• Girls Nostalgic Seaside Two Piece Triangle Bikini Set Size 12
      Opens in a new window or tab
      Pre-Owned
      $17.99
      or Best Offer
      +$6.75 delivery
      Located in United States
    • Girls SPEEDO Sz 12 & TYR Sz 28 One-Piece Swimsuits Blue Multi Color Prints
      Girls SPEEDO Sz 12 & TYR Sz 28 One-Piece Swimsuits Blue Multi Color Prints
      Opens in a new window or tab
      Pre-Owned
      $20.00
      Buy It Now
      +$7.35 delivery
      Located in United States
    • Abercrombie Fitch girls high-neck wrap front 2pcs swimsuit PINK 11/12  $39.95
      Abercrombie Fitch girls high-neck wrap front 2pcs swimsuit PINK 11/12 $39.95
      Opens in a new window or tab
      Brand New
      $19.99
      Buy It Now
      Free delivery
      Located in United States
      Almost gone
    • NWT Athleta Girl Reversible Tropics Bikini Top Size Large (12) Tie Dye S/632159
      NWT Athleta Girl Reversible Tropics Bikini Top Size Large (12) Tie Dye S/632159
      Opens in a new window or tab
      Brand New
      $19.99
      or Best Offer
      +$6.50 delivery
      Located in United States
      Free returns
      Top Rated Plus
    • ~NEW~ ZeroXposure Youth Girls 2-Piece Swim Set ~ Size M 10/12
      ~NEW~ ZeroXposure Youth Girls 2-Piece Swim Set ~ Size M 10/12
      Opens in a new window or tab
      Brand New
      $19.00
      Buy It Now
      Free delivery
      Located in United States
    • SPEEDO Swimsuit Kid Girls Size 12 One Piece Stripe Chlorine Resistant Summer NEW
      SPEEDO Swimsuit Kid Girls Size 12 One Piece Stripe Chlorine Resistant Summer NEW
      Opens in a new window or tab
      Brand New
      $17.99
      Was: $19.9910% off
      or Best Offer
      Free delivery
      Located in United States
      Free returns
    • Roxy 12 Girls Flutter 2 Pc  Bikini Swimsuit Flounce Pink Blue Tropical Print Set
      Roxy 12 Girls Flutter 2 Pc Bikini Swimsuit Flounce Pink Blue Tropical Print Set
      Opens in a new window or tab
      Brand New
      $24.90
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      Free delivery
      Located in United States
    • Girls' Fruit Watermelon Printed One Piece Swimsuit - Cat & Jack - Size: L 10/12
      Girls' Fruit Watermelon Printed One Piece Swimsuit - Cat & Jack - Size: L 10/12
      Opens in a new window or tab
      New (Other)
      $12.00
      Buy It Now
      +$4.84 delivery
      Located in United States
    • Nike Girls One Piece Swimsuit With White Swoosh, Size 12
      Nike Girls One Piece Swimsuit With White Swoosh, Size 12
      Opens in a new window or tab
      Pre-Owned
      $9.00
      or Best Offer
      +$4.84 delivery
      Located in United States
    • Athleta Girl Ice Pink Camo Cannonball Shorts Swim Bottoms NWT Various Sizes
      Athleta Girl Ice Pink Camo Cannonball Shorts Swim Bottoms NWT Various Sizes
      Opens in a new window or tab
      Brand New
      $15.99
      Was: $19.9920% off
      Buy It Now
      +$5.50 delivery
      Located in United States
      7+ sold
    • J. Crew Crewcuts Vibrant Pink Girls' ruffle-strap one-piece shell swimsuit NWT
      J. Crew Crewcuts Vibrant Pink Girls' ruffle-strap one-piece shell swimsuit NWT
      Opens in a new window or tab
      Brand New
      $25.50
      Was: $30.0015% off
      or Best Offer
      +$4.71 delivery
      Located in United States
    • Justice Blue White Print Layered Ruffle Tankini Swim Top - Size 12
      Justice Blue White Print Layered Ruffle Tankini Swim Top - Size 12
      Opens in a new window or tab
      Pre-Owned
      $4.00
      or Best Offer
      +$6.55 delivery
      Located in United States
    • Zara Disney Lilo & Stitch 2 Piece Red Girls Swimsuit 11/12 Free Shipping
      Zara Disney Lilo & Stitch 2 Piece Red Girls Swimsuit 11/12 Free Shipping
      Opens in a new window or tab
      New (Other)
      $12.50
      or Best Offer
      Free delivery
      Located in United States
      Free returns
    • MINI BODEN Terry Toweling Swim Cover Up Dress Girls Size 11-12y floral birds
      MINI BODEN Terry Toweling Swim Cover Up Dress Girls Size 11-12y floral birds
      Opens in a new window or tab
      Pre-Owned
      $20.00
      or Best Offer
      +$8.71 delivery
      Located in United States
    • KANU Surf Girls Yellow One Piece Swimsuit NWT Size 12
      KANU Surf Girls Yellow One Piece Swimsuit NWT Size 12
      Opens in a new window or tab
      Brand New
      $15.99
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      Free delivery
      Located in United States
    • Mini Boden one piece swimsuit multi color rainbow clouds NWT 11/12
      Mini Boden one piece swimsuit multi color rainbow clouds NWT 11/12
      Opens in a new window or tab
      Brand New
      $15.00
      or Best Offer
      +$4.33 delivery
      Located in United States
    • Fuchsia Floral Ruffle One-Piece Swimsuit with Hat – Toddler Girl Swim Set (1–6T)
      Fuchsia Floral Ruffle One-Piece Swimsuit with Hat – Toddler Girl Swim Set (1–6T)
      Opens in a new window or tab
      Brand New
      $12.00
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      +$5.00 delivery
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    • LANDS' END Girl's 12 Dolphin Sunset 3-Pc UPF 50 Swim Set NWT $55
      LANDS' END Girl's 12 Dolphin Sunset 3-Pc UPF 50 Swim Set NWT $55
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      Located in United States
    • xhilaration Multi-color Bikini in size Top Med Bottom 10/12
      xhilaration Multi-color Bikini in size Top Med Bottom 10/12
      Opens in a new window or tab
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      $3.59
      Was: $5.9940% off
      or Best Offer
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      Located in United States
    • Vintage Kmart Girls Size 12 2-piece Swimsuit Bathing Suit Bikini Floral 80s C3
      Vintage Kmart Girls Size 12 2-piece Swimsuit Bathing Suit Bikini Floral 80s C3
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      Pre-Owned
      $29.99
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      +$4.84 delivery
      Located in United States
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    • Maaji Floral Rash Guard Swimsuit Reversible Long Sleeve Kids Size 12
      Maaji Floral Rash Guard Swimsuit Reversible Long Sleeve Kids Size 12
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      $44.99
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      +$7.25 delivery
      Located in United States
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      Seafolly Girl’s Essential Square Neck Two Piece Blue Bikini Swimsuit Set Size 12
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      Brand New
      $48.95
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      $19.99
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    • Janie and Jack One Piece Swimsuit Girls Size 12 Blue White Palm Ruffle Halter
      Janie and Jack One Piece Swimsuit Girls Size 12 Blue White Palm Ruffle Halter
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      $24.99
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      Located in United States
    • $42 Speedo Girl's Sz 12 Swimsuit One Piece Mesh Splice Thick Strap Speedo NWT
      $42 Speedo Girl's Sz 12 Swimsuit One Piece Mesh Splice Thick Strap Speedo NWT
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      $16.99
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      Located in United States
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      Sweet Honey Swim Cover-Up Girls size 12
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      Located in United States
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      Ps09 Bikini Size 12 Excellent Condition Zebra Pink Green Children Swimwear
      Opens in a new window or tab
      Pre-Owned
      $4.99
      0 bids · Time left4d 14h
      or Best Offer
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      Located in United States
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      Athleta Girl Sunny Flora Bikini Swim Sport Mixed Print Bottoms NWT Various Sizes
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      $14.39
      Was: $17.9920% off
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      Located in United States
      10+ watchers
    • LANDS END GIRLS ONE PIECE SWIMSUIT SIZE  FISH WHITE BLUE YELLOW SIZE  12
      LANDS END GIRLS ONE PIECE SWIMSUIT SIZE FISH WHITE BLUE YELLOW SIZE 12
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      $7.99
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      Located in United States
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      Abercrombie Kids 11/12 Bikini Swimsuit Set Nwt Purple Geometric
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      $25.99
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      NWT 2pcs-Girls Billabong Black/Turquoise/white Rash Guard + Board Shorts Sz 12
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      +$6.29 delivery
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      Janie and Jack Rash Guard Set 2 Piece Swimsuit Girls 12 White Floral Ruffle Neck
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      Brand New
      $20.20
      Was: $22.4510% off
      Buy It Now
      +$5.99 delivery
      Located in United States
      Free returns
      Top Rated Plus
    • New! Girls Hanna Andersson Tankini Swimwear Top Reversible Size 150 (US 12)
      New! Girls Hanna Andersson Tankini Swimwear Top Reversible Size 150 (US 12)
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      Brand New
      $12.00
      or Best Offer
      +$4.84 delivery
      Located in United States
    • Lands' End Chlorine Resistant Swim Skirt Swim Bottom Girls 12 Turquoise
      Lands' End Chlorine Resistant Swim Skirt Swim Bottom Girls 12 Turquoise
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      Pre-Owned
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      or Best Offer
      +$5.95 delivery
      Located in United States
    • Patagonia Girl's Boardie Shorts Lupita Scented Geranium Size 12
      Patagonia Girl's Boardie Shorts Lupita Scented Geranium Size 12
      Opens in a new window or tab
      Pre-Owned
      $20.00
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      +$6.55 delivery
      Located in United States
    • Roxy  Girl's 12  L/S Crop Bikini 2 Pc Rash Guard Tankini Swimsuit Coral Blue
      Roxy Girl's 12 L/S Crop Bikini 2 Pc Rash Guard Tankini Swimsuit Coral Blue
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      Brand New
      $28.00
      or Best Offer
      Free delivery
      Located in United States
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    • Hanna Andersson Girls Blue & White Striped Tankini Swim Top Size 12
      Hanna Andersson Girls Blue & White Striped Tankini Swim Top Size 12
      Opens in a new window or tab
      New (Other)
      $14.99
      or Best Offer
      +$5.99 delivery
      Located in United States
      Free returns
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