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

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    • Size: 12Remove filter
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    • Lands End Girls Swimwear Size 12+ One Piece Swimsuit Multicolor Geometric Ruffle
      Lands End Girls Swimwear Size 12+ One Piece Swimsuit Multicolor Geometric Ruffle
      Opens in a new window or tab
      Pre-Owned
      $19.99
      or Best Offer
      +$7.95 delivery
      Sponsored
    • Cabana Life Girls 12 Rash Guard Long Sleeve Swim Shirt Zip Sun Protection
      Cabana Life Girls 12 Rash Guard Long Sleeve Swim Shirt Zip Sun Protection
      Opens in a new window or tab
      Pre-Owned
      $15.39
      Was: $21.9930% off
      or Best Offer
      +$6.30 delivery
      Free returns
      Extra 15% off with coupon
      Sponsored
      Top Rated Plus
    • NWOT KAMI Girls One Piece Swimwear Size 12 Geometric Print
      NWOT KAMI Girls One Piece Swimwear Size 12 Geometric Print
      Opens in a new window or tab
      New (Other)
      $14.65
      Was: $29.9051% off
      or Best Offer
      +$5.93 delivery in 2-4 days
      Free returns
      Extra 15% off with coupon
      Sponsored
      Top Rated Plus
    • Roxy 2 Pc Rash Guard  Swimsuit Crop Shirt Bikini Bottoms Set Girls Size 12 New
      Roxy 2 Pc Rash Guard Swimsuit Crop Shirt Bikini Bottoms Set Girls Size 12 New
      Opens in a new window or tab
      Brand New
      $24.99
      or Best Offer
      +$7.35 delivery
      Sponsored
    • NEW NWT Girls Sz 12 Textured Blue Print Halter Bikini 2 Pc Swimsuit JANIE & JACK
      NEW NWT Girls Sz 12 Textured Blue Print Halter Bikini 2 Pc Swimsuit JANIE & JACK
      Opens in a new window or tab
      Brand New
      $32.00
      or Best Offer
      +$6.40 delivery in 2-4 days
      10% off 5+
      Sponsored
    • Abercrombie Kids Geometric Bikini Bathing Suit Size 11/12
      Abercrombie Kids Geometric Bikini Bathing Suit Size 11/12
      Opens in a new window or tab
      Pre-Owned
      $20.00
      or Best Offer
      +$7.00 delivery
      Sponsored
    • MINI BODEN Hooded Terry Toweling Swim Cover Up Dress Girls Size 11-12y Unicorns
      MINI BODEN Hooded Terry Toweling Swim Cover Up Dress Girls Size 11-12y Unicorns
      Opens in a new window or tab
      Pre-Owned
      $26.77
      or Best Offer
      Free delivery
      Sponsored
    • Iviva nwot Multicolor Geometric Long Sleeve swim Top. Rash guard. Size 12
      Iviva nwot Multicolor Geometric Long Sleeve swim Top. Rash guard. Size 12
      Opens in a new window or tab
      New (Other)
      $25.00
      or Best Offer
      +$4.52 delivery in 2-4 days
      Sponsored
    • SO Kohl's Girls 2-piece Tankini Bathing Suit Swimsuit 2 pc.
      SO Kohl's Girls 2-piece Tankini Bathing Suit Swimsuit 2 pc.
      Opens in a new window or tab
      Pre-Owned
      $6.99
      or Best Offer
      +$5.99 delivery
      Sponsored
    • Hobie Girls' 249418 High Neck Halter One Piece Swimsuit Size 12
      Hobie Girls' 249418 High Neck Halter One Piece Swimsuit Size 12
      Opens in a new window or tab
      Brand New
      $26.60
      List price: $57.0053% off
      or Best Offer
      +$4.20 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • LANDS' END Girls Size 12 Rash Guard Long Sleeve Swim Top Geometric Multicolor
      LANDS' END Girls Size 12 Rash Guard Long Sleeve Swim Top Geometric Multicolor
      Opens in a new window or tab
      Pre-Owned
      $7.99
      or Best Offer
      +$4.75 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Zeroxposur Girl's Seafoam Green Halter Swim Tankini Top ONLY Size 12
      Zeroxposur Girl's Seafoam Green Halter Swim Tankini Top ONLY Size 12
      Opens in a new window or tab
      Brand New
      $6.50
      or Best Offer
      +$4.52 delivery
      Sponsored
    • Vintage Girls 12 Swimsuit & Skirt Mary Kate & Ashley Nwot  Pink Geo Pattern
      Vintage Girls 12 Swimsuit & Skirt Mary Kate & Ashley Nwot Pink Geo Pattern
      Opens in a new window or tab
      New (Other)
      $4.25
      or Best Offer
      +$5.99 delivery
      12 watchers
      Sponsored
    • Gossip Girl Girls Fashion Bikini Swimsuits | Mint Aztec| Size:12
      Gossip Girl Girls Fashion Bikini Swimsuits | Mint Aztec| Size:12
      Opens in a new window or tab
      Brand New
      $18.98
      or Best Offer
      Free delivery
      Free returns
      Save up to 20% when you buy more
      Sponsored
    • Girls Toobydoo Yellow Two-Piece Swim Set Size 1-2  NWT
      Girls Toobydoo Yellow Two-Piece Swim Set Size 1-2 NWT
      Opens in a new window or tab
      Brand New
      $10.00
      or Best Offer
      +$4.84 delivery
      Sponsored
    • GOSSIP GIRL Girl's Fashion Swimsuit, 2-Piece, Aztec Blue, 12
      GOSSIP GIRL Girl's Fashion Swimsuit, 2-Piece, Aztec Blue, 12
      Opens in a new window or tab
      Brand New
      $18.98
      or Best Offer
      Free delivery
      Free returns
      Sponsored
    • jantzen Girls tankini top Size 12 (Top Only) Colorful Geometric UV Protection
      jantzen Girls tankini top Size 12 (Top Only) Colorful Geometric UV Protection
      Opens in a new window or tab
      Brand New
      $4.99
      or Best Offer
      +$5.95 delivery
      Free returns
      Sponsored
    • $79 Toobydoo Kids Girl's Pink Dot Prints Halter Two-Piece Swimwear Size 1-2
      $79 Toobydoo Kids Girl's Pink Dot Prints Halter Two-Piece Swimwear Size 1-2
      Opens in a new window or tab
      Brand New
      $8.03
      Was: $22.9565% off
      or Best Offer
      +$9.99 delivery
      Extra 5% off with coupon
      Sponsored
    • Bowie James Swim Top Girls 11/12 Black Cutout Constellations Celestial
      Bowie James Swim Top Girls 11/12 Black Cutout Constellations Celestial
      Opens in a new window or tab
      Pre-Owned
      $5.97
      Was: $8.5330% off
      or Best Offer
      +$4.51 delivery
      Free returns
      Sponsored
    • Tommy Bahama Girl’s Size 12 Swimsuit Swimwear Tankini
      Tommy Bahama Girl’s Size 12 Swimsuit Swimwear Tankini
      Opens in a new window or tab
      Pre-Owned
      $19.74
      or Best Offer
      Free delivery
      Free returns
      Sponsored
      Top Rated Plus
    • From our popular brands

      Based on number of views and purchases | Sponsored
        • Speedo Tankini Girls 12 Purple Geometric Swimwear
          Speedo
          Speedo Tankini Girls 12 Purple Geometric Swimwear
          Opens in a new window or tab
          Pre-Owned
          $13.59
          +$5.95 delivery
          Extra 15% off with coupon
        • Speedo Girls Racerback Lined One-Piece Swimsuit Size 12 girls Black/ Lime Green
          Speedo
          Speedo Girls Racerback Lined One-Piece Swimsuit Size 12 girls Black/ Lime Green
          Opens in a new window or tab
          Pre-Owned
          $15.00
          +$4.84 delivery
        • NWT Roxy Youth Girl Size 12 Swim Top Mint Bralette Unlined Halter Beachwear
          ROXY
          NWT Roxy Youth Girl Size 12 Swim Top Mint Bralette Unlined Halter Beachwear
          Opens in a new window or tab
          Brand New
          $18.00
          +$6.95 delivery
        • Justice Neon Multicolored Swimsuit Halter Top, Girls Size 12, Pre-Owned
          Justice
          Justice Neon Multicolored Swimsuit Halter Top, Girls Size 12, Pre-Owned
          Opens in a new window or tab
          Pre-Owned
          $8.68
          Free delivery
          $5 off $30+
        • Justice Colorful Tiered One Piece Swimsuit Girls Bathing Suit Size 12 Rainbow
          Justice
          Justice Colorful Tiered One Piece Swimsuit Girls Bathing Suit Size 12 Rainbow
          Opens in a new window or tab
          Pre-Owned
          $10.00
          +$6.00 delivery
        • SO Black, White & Peach Bikini Bathing Swimsuit Girls 12
          SO
          SO Black, White & Peach Bikini Bathing Swimsuit Girls 12
          Opens in a new window or tab
          Pre-Owned
          $15.00
          +$6.99 delivery
    • Justice Neon Multicolored Swimsuit Halter Top, Girls Size 12, Pre-Owned
      Justice Neon Multicolored Swimsuit Halter Top, Girls Size 12, Pre-Owned
      Opens in a new window or tab
      Pre-Owned
      $8.68
      or Best Offer
      Free delivery in 2-4 days
      Free returns
      $5 off $30+
      Sponsored
      Top Rated Plus
    • LL Bean Girls Size 12 Swim Shorts Pink Purple Geometric UPF 50 NWT
      LL Bean Girls Size 12 Swim Shorts Pink Purple Geometric UPF 50 NWT
      Opens in a new window or tab
      Brand New
      $15.00
      or Best Offer
      +$5.50 delivery
      Sponsored
    • Cabana Life Coverluxe Swim Cover-Up Top Girls 12 Tile Poncho
      Cabana Life Coverluxe Swim Cover-Up Top Girls 12 Tile Poncho
      Opens in a new window or tab
      Pre-Owned
      $25.00
      or Best Offer
      +$5.62 delivery
      Sponsored
    • Dolfin Uglies Girls One Piece Swimsuit Size 12 Multicolor Conga Line new nwt
      Dolfin Uglies Girls One Piece Swimsuit Size 12 Multicolor Conga Line new nwt
      Opens in a new window or tab
      Brand New
      $34.98
      or Best Offer
      +$6.30 delivery
      Sponsored
    • Under Armour Fitted Heat Gear Girls One Piece Pink Criss cross Back Swimsuit 12
      Under Armour Fitted Heat Gear Girls One Piece Pink Criss cross Back Swimsuit 12
      Opens in a new window or tab
      Pre-Owned
      $14.98
      or Best Offer
      +$4.71 delivery
      Sponsored
    • Goa Kids Short Sleeve Ruffled Swimsuit Cover-Up Dress Multicolor Size 12
      Goa Kids Short Sleeve Ruffled Swimsuit Cover-Up Dress Multicolor Size 12
      Opens in a new window or tab
      Brand New
      $11.99
      or Best Offer
      +$5.99 delivery
      Sponsored
    • Seafolly Girls' 236696 Big Tankini Set Pop Palace Multi Swimwear Size 12
      Seafolly Girls' 236696 Big Tankini Set Pop Palace Multi Swimwear Size 12
      Opens in a new window or tab
      Brand New
      $25.20
      List price: $60.0058% off
      or Best Offer
      +$4.20 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Kanu Surf Girls Halter Tankini Set Size 12 New With Tags Green Blue White
      Kanu Surf Girls Halter Tankini Set Size 12 New With Tags Green Blue White
      Opens in a new window or tab
      Brand New
      $12.99
      or Best Offer
      Free delivery
      Save up to 25% when you buy more
      Sponsored
    • Speedo Tankini Girls 12 Purple Geometric Swimwear
      Speedo Tankini Girls 12 Purple Geometric Swimwear
      Opens in a new window or tab
      Pre-Owned
      $13.59
      Was: $15.9915% off
      or Best Offer
      +$5.95 delivery
      Free returns
      Extra 15% off with coupon
      Sponsored
      Top Rated Plus
    • Girls Hot Pink Orange Blue White Hearts Geometric Tankini 2 Piece Swim Suit 12
      Girls Hot Pink Orange Blue White Hearts Geometric Tankini 2 Piece Swim Suit 12
      Opens in a new window or tab
      Pre-Owned
      $12.50
      or Best Offer
      +$6.30 delivery
      Sponsored
    • Athleta Girl Reversible Palm Oasis Bikini Swim Bottoms NWT Size L
      Athleta Girl Reversible Palm Oasis Bikini Swim Bottoms NWT Size L
      Opens in a new window or tab
      Brand New
      $22.00
      or Best Offer
      +$4.84 delivery
      Sponsored
    • Splendid Girls - 171789 Boarder Stripe Sport Bra Set Size 12
      Splendid Girls - 171789 Boarder Stripe Sport Bra Set Size 12
      Opens in a new window or tab
      Brand New
      $29.40
      List price: $60.0051% off
      or Best Offer
      +$4.20 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Speedo Girls Swimwear Size 12 Racerback Tankini Top Purple Pink Black Geometric
      Speedo Girls Swimwear Size 12 Racerback Tankini Top Purple Pink Black Geometric
      Opens in a new window or tab
      Pre-Owned
      $7.95
      or Best Offer
      +$4.95 delivery
      Sponsored
    • Justice Swim  Size 18 1/2 Turquoise And Purple Top Only
      Justice Swim Size 18 1/2 Turquoise And Purple Top Only
      Opens in a new window or tab
      Pre-Owned
      $9.99
      or Best Offer
      +$4.71 delivery
      Sponsored
    • Kanu Surf Blue One Piece Swimsuit, Geometric Print, Girls' Size 12 NWT NEW
      Kanu Surf Blue One Piece Swimsuit, Geometric Print, Girls' Size 12 NWT NEW
      Opens in a new window or tab
      Brand New
      $15.49
      or Best Offer
      Free delivery
      Sponsored
    • Speedo Girls Blue Green Swimwear Tankini Top Bathing Suit Top Size 12 New!
      Speedo Girls Blue Green Swimwear Tankini Top Bathing Suit Top Size 12 New!
      Opens in a new window or tab
      Brand New
      $8.90
      or Best Offer
      +$5.40 delivery
      Sponsored
    • Under Armour One Piece Swimsuit, Girls Size 12 BNWT
      Under Armour One Piece Swimsuit, Girls Size 12 BNWT
      Opens in a new window or tab
      Brand New
      $19.99
      or Best Offer
      +$5.75 delivery
      Sponsored
    • speedo endurance new green black Swimsuit Swimwear One-Piece Girls Sz 12 28 NWT
      speedo endurance new green black Swimsuit Swimwear One-Piece Girls Sz 12 28 NWT
      Opens in a new window or tab
      Brand New
      $26.99
      Was: $35.9925% off
      or Best Offer
      +$4.99 delivery
      Sponsored
    • Speedo Girls Racerback Lined One-Piece Swimsuit Size 12 girls Black/ Lime Green
      Speedo Girls Racerback Lined One-Piece Swimsuit Size 12 girls Black/ Lime Green
      Opens in a new window or tab
      Pre-Owned
      $15.00
      or Best Offer
      +$4.84 delivery
      Sponsored
    • NWT Roxy Youth Girl Size 12 Swim Top Mint Bralette Unlined Halter Beachwear
      NWT Roxy Youth Girl Size 12 Swim Top Mint Bralette Unlined Halter Beachwear
      Opens in a new window or tab
      Brand New
      $18.00
      Was: $22.5020% off
      or Best Offer
      +$6.95 delivery
      Sponsored
    • Eddie Bauer girls Active Compression Shorts - Rainbow Color Stretch Size M 10/12
      Eddie Bauer girls Active Compression Shorts - Rainbow Color Stretch Size M 10/12
      Opens in a new window or tab
      Pre-Owned
      $9.99
      or Best Offer
      Free delivery
      Sponsored
    • O'NEILL GIRLS MOXIE FRINGE TRIANGLE BIKINI SWIM 2 PC SET BLUE PINK SZ 12 EUC $46
      O'NEILL GIRLS MOXIE FRINGE TRIANGLE BIKINI SWIM 2 PC SET BLUE PINK SZ 12 EUC $46
      Opens in a new window or tab
      Pre-Owned
      $24.99
      or Best Offer
      +$3.99 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Eddie Bauer girls Active Compression Shorts - Rainbow Stretch Size M 10/12
      Eddie Bauer girls Active Compression Shorts - Rainbow Stretch Size M 10/12
      Opens in a new window or tab
      Pre-Owned
      $8.99
      or Best Offer
      +$3.99 delivery
      Sponsored
    • Girls Toobydoo Yellow Bikini Bottom Size 11-12  NWT
      Girls Toobydoo Yellow Bikini Bottom Size 11-12 NWT
      Opens in a new window or tab
      Brand New
      $8.00
      or Best Offer
      +$4.51 delivery
      Sponsored
    • Girls Swimsuit Speedo Racerback 1 Pc Blue Multi Geo Bathing Suit $44-sz 12
      Girls Swimsuit Speedo Racerback 1 Pc Blue Multi Geo Bathing Suit $44-sz 12
      Opens in a new window or tab
      Brand New
      $20.00
      or Best Offer
      +$9.21 delivery
      Sponsored
    • NWT Cabana Life Girl’s St. Barts Wash Guard Long Sleeve Swim Top - Size 12
      NWT Cabana Life Girl’s St. Barts Wash Guard Long Sleeve Swim Top - Size 12
      Opens in a new window or tab
      Brand New
      $35.00
      or Best Offer
      +$8.71 delivery
      Sponsored
    • Speedo Girls 12 Blue Teal Neon One Piece Swim suit Racerback Silicone Grippers
      Speedo Girls 12 Blue Teal Neon One Piece Swim suit Racerback Silicone Grippers
      Opens in a new window or tab
      Pre-Owned
      $6.99
      Was: $9.9930% off
      or Best Offer
      +$6.55 delivery
      Sponsored
    • HURLEY KIDS PRISM REVERSIBLE HALTER RETRO BIKINI 2 PIECE SET MULTI SIZE 12 $49
      HURLEY KIDS PRISM REVERSIBLE HALTER RETRO BIKINI 2 PIECE SET MULTI SIZE 12 $49
      Opens in a new window or tab
      Brand New
      $24.99
      or Best Offer
      +$3.99 delivery
      Free returns
      2 watchers
      Sponsored
      Top Rated Plus
    • Z by Zella Swim Bottoms Girls Size 12 Bikini NWT
      Z by Zella Swim Bottoms Girls Size 12 Bikini NWT
      Opens in a new window or tab
      Brand New
      $15.97
      or Best Offer
      +$4.08 delivery in 2-4 days
      Sponsored
    • Big Girl's speedo power flex eco one piece swimsuit, Green, Size 28
      Big Girl's speedo power flex eco one piece swimsuit, Green, Size 28
      Opens in a new window or tab
      New (Other)
      $18.49
      or Best Offer
      +$4.33 delivery
      Sponsored
    • Girls Cabana Life Size 12 Multicolor Full Zip Rash guard Sun Protection
      Girls Cabana Life Size 12 Multicolor Full Zip Rash guard Sun Protection
      Opens in a new window or tab
      Pre-Owned
      $14.99
      or Best Offer
      +$4.84 delivery
      Sponsored
    • 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
      Sponsored
    • Girls Swimsuit Speedo Racerback 1 Pc Blue Multi Geo Dot Bathing Suit $44-sz 12
      Girls Swimsuit Speedo Racerback 1 Pc Blue Multi Geo Dot Bathing Suit $44-sz 12
      Opens in a new window or tab
      Brand New
      $20.00
      or Best Offer
      +$9.21 delivery
      Sponsored
    • Breaking Waves 2 Pc Multi Color Tankini Size 12   71
      Breaking Waves 2 Pc Multi Color Tankini Size 12 71
      Opens in a new window or tab
      Brand New
      $19.98
      or Best Offer
      +$4.95 delivery
      Sponsored
    • NWT Seafolly Kids Girl's Marrakesh Sunset Tie Back Tank Swimsuit 12 Ruby
      NWT Seafolly Kids Girl's Marrakesh Sunset Tie Back Tank Swimsuit 12 Ruby
      Opens in a new window or tab
      Brand New
      $24.99
      or Best Offer
      +$5.45 delivery
      Sponsored
    • ☆ Primark Girls One Piece Swimsuit Size 12-13 Years Multicolor Geometric Print
      ☆ Primark Girls One Piece Swimsuit Size 12-13 Years Multicolor Geometric Print
      Opens in a new window or tab
      Pre-Owned
      $19.99
      Was: $39.9950% off
      or Best Offer
      Free delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Toobydoo Girl's 174345 Funky Feathers Bandeau Halter Bikini Set Size 9-10
      Toobydoo Girl's 174345 Funky Feathers Bandeau Halter Bikini Set Size 9-10
      Opens in a new window or tab
      New (Other)
      $31.50
      List price: $80.0061% off
      or Best Offer
      +$4.20 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Under Armour Girls Prism Rashguard & Bottoms Swimsuit Set Pink Size 12  11480
      Under Armour Girls Prism Rashguard & Bottoms Swimsuit Set Pink Size 12 11480
      Opens in a new window or tab
      Brand New
      $24.49
      Was: $34.9930% off
      or Best Offer
      +$6.55 delivery
      Sponsored
    • Billabong Patterned Short Sleeve Rash Guard Size 12
      Billabong Patterned Short Sleeve Rash Guard Size 12
      Opens in a new window or tab
      Pre-Owned
      $20.00
      or Best Offer
      +$5.99 delivery
      Sponsored
    • $38 Toobydoo Kid's Girl's Pink Dot Prints Halter Two-Piece Swimwear Size 1-2
      $38 Toobydoo Kid's Girl's Pink Dot Prints Halter Two-Piece Swimwear Size 1-2
      Opens in a new window or tab
      Brand New
      $10.83
      Was: $30.9565% off
      or Best Offer
      +$9.99 delivery in 2-4 days
      Extra 5% off with coupon
      Sponsored
    • Kanu Surf Girls Beach Sport Bandeau Bikini 2-Piece Swimsuit 12
      Kanu Surf Girls Beach Sport Bandeau Bikini 2-Piece Swimsuit 12
      Opens in a new window or tab
      Brand New
      $9.99
      or Best Offer
      +$7.25 delivery
      Sponsored
    • Girls size 12 Swimwear top
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