7,200+ results
- Girls Bathing Suit Lot Size 10/12Opens in a new window or tabPre-Owned$25.00or Best Offer+$9.39 delivery
- 4 Girls 2 Piece Bathing Suits Size 10/12 Exellent ConditionOpens in a new window or tabPre-Owned$25.00Buy It Now+$4.84 delivery
- NIKE Women Swim Fastback One-Piece Swimsuit Green TieDye Look NWT US 28/Girls 12Opens in a new window or tabBrand New$19.99Buy It Now+$6.55 delivery
- Dolphin Uglies Purple One Piece Swimsuit Girls 12Opens in a new window or tabPre-Owned$14.99or Best Offer+$4.57 delivery
- Sweet Toddler Bright Colored Rose Print Swimsuit W/Pink Tutu Cover Up 12-18 MosOpens in a new window or tabNew (Other)$18.00or Best Offer+$4.00 delivery
- blue purple SPEEDO one piece swimsuit size 12Opens in a new window or tabPre-Owned$0.990 bids · Time left1d 8hor Best Offer+$5.99 delivery
- Girl's CREWCUTS Blue White Gingham Check One-Piece Swimsuit Bathing Suit Size 12Opens in a new window or tabPre-Owned$14.50or Best Offer+$6.55 delivery
- Hanna Andersson Swimsuit One Piece 150 Size 12 Pink White Stripe Floral PastelOpens in a new window or tabPre-Owned$14.99or Best Offer+$6.55 delivery
Picked For You
Top selling items from trusted sellers | Sponsored- Dolfin Uglies Girls Swimsuit Size 12 Pink Honeybees One-PieceOpens in a new window or tab$12.00baxters_bounty (5,669) 99.1%
- NWT Snapperrock Girls Shirred Floral Bikini Set Sz 12 ADORABLE FREE SHIPPING A14Opens in a new window or tab$29.95hippy147 (7,141) 99.9%
- Speedo Girl's Swimsuit One Piece Thick Strap Racer Back Printed, 12Opens in a new window or tab$24.65shoppermaxx (15,773) 99.7%
- Girls Body Glove Grey and Pink Track Suit Size 12 (196)Opens in a new window or tab$17.97rivercityauctions (3,545) 100%
- Swimgo girls swimsuit swimsuit, training, Sun, 11-12 yearsOpens in a new window or tab$11.00sport-outlet-handvers (44,065) 98.9%
- Matilda Jane Girls Size 12 One Piece Swimsuit Blue Pink Cabbage Rose Floral BathOpens in a new window or tab$18.15snowshowers (16,090) 99.6%
- Cat & Jack Girls Green Watermelon Lightweight Swim Cover Up Size Large 10/12Opens in a new window or tab$14.99manatee33 (1,116) 98.7%
- A Lot Girl's Wonder Nation 3 Pieces Swim Suit, Size L, 10/12Opens in a new window or tabPre-Owned$18.99Buy It Now+$8.50 delivery
- Disney Lilo and Stitch Swimsuit One Piece Cutout Swimsuit Girls 10/12Opens in a new window or tabBrand New$25.00or Best OfferFree delivery
- Athleta Girl Cut Out Bikini Set Sea Glass Multi Large L/12Opens in a new window or tabBrand New$29.95Buy It Now+$6.95 delivery in 2-4 daysFree returnsTop Rated Plus
- Tommy Bahama 2 pc Swimsuit Size 12 Blue + White Ruffles NWT Incl SunglassesOpens in a new window or tabBrand New$25.00or Best Offer+$6.55 delivery
- NWT Gymboree girl one-piece green pink rosette floral swimsuit size 12Opens in a new window or tabBrand New$22.99Buy It NowFree delivery
- Cabana Life Girls 12 Rash Guard Long Sleeve Swim Shirt Zip Sun ProtectionOpens in a new window or tabPre-Owned$15.39Was: $21.9930% offor Best Offer+$6.30 deliveryFree returnsExtra 15% off with couponTop Rated Plus
- Janie And Jack Girls One Piece Pink Floral Ruffle Swimsuit Size 12Opens in a new window or tabPre-Owned$19.99or Best Offer+$5.99 delivery
- Billabong Kids' Blown Away Long Sleeve Rasguard Swimsuit size 12Opens in a new window or tabPre-Owned$22.00or Best Offer+$4.84 delivery
- New Girls Speedo One Piece Swimsuit Size 12Opens in a new window or tabBrand New$16.990 bids · Time left6d 21h+$5.00 delivery
- Billabong Girls Bit Lil Bit Wild Hanky Trilet Two Piece Swimsuit Set, Size 12Opens in a new window or tabBrand New$24.50or Best Offer+$5.00 delivery
- Athleta Girl Grotto Ocean Marble Cannonball Shorts Swim Bottoms NWT Various SzsOpens in a new window or tabBrand New$19.99Buy It Now+$5.50 delivery9+ watchers
- NWT Snapperrock Girls Shirred Floral Bikini Set Sz 12 ADORABLE FREE SHIPPING A14Opens in a new window or tabBrand New$29.95or Best OfferFree delivery
From our popular brands
Based on number of views and purchases | Sponsored- NikeNIKE Women Swim Fastback One-Piece Swimsuit Green TieDye Look NWT US 28/Girls 12Opens in a new window or tabBrand New$19.99+$6.55 delivery
- ROXYRoxy Girls Paradise Trip Crop Top Bikini Swim Set Sz 12 Swimsuit NEW NWTOpens in a new window or tabBrand New$26.92+$6.99 delivery
- ROXYRoxy Girls Bundle of Two Bikini Tops Size 12 (Girls)Opens in a new window or tabPre-Owned$16.00+$6.00 delivery
- SpeedoSpeedo Tankini Set Girls 12 Blue Purple WatercolorOpens in a new window or tabPre-Owned$15.39+$7.35 delivery
- SpeedoSpeedo Girls' Heather Thin Strap, One Piece, Size 12Opens in a new window or tabBrand New$26.40+$5.00 delivery
- HurleyHurley Swimsuit Girls 12 Pink Purple Ombre Halter Tankini Boyshort 2 PieceOpens in a new window or tabNew (Other)$19.99+$5.99 delivery
- JusticeJustice Girls Size 12 Reversible 2 Piece Bikini Swim Hot Pink Neon Ombre UPF 50+Opens in a new window or tabBrand New$19.85Free delivery
- NikeNike 242264 Girls Kids One Piece Swimwear Blue/Orange Size Large/ 12-13Opens in a new window or tabNew (Other)$27.30+$4.20 delivery
- BillabongBillabong Girl’s Long Sleeve White Multicolored Long Sleeve Rashguard Size 12Opens in a new window or tabNew (Other)$22.80+$6.55 delivery
- Abercrombie Girls 2 Piece Bikini Swimsuit Size 11/12 Lime Green EUC!Opens in a new window or tabPre-Owned$12.50Buy It Now+$6.00 delivery
- Girls Breaking Waves Floral Swimsuit Size 12Opens in a new window or tabPre-Owned$11.15or Best Offer+$4.71 delivery
- NWOT Hobie Girls 2pc Halter Tankini Top And Bottom Bottoms Swimsuit Size 12Opens in a new window or tabNew (Other)$9.00or Best Offer+$6.84 delivery
- Polo Ralph Lauren Girls SwimwearOpens in a new window or tabBrand New$25.00or Best Offer+$4.62 delivery
- BNWT Burberry London Little Girl's & Girl's Sandie One-Piece Swimsuit MSRP $250!Opens in a new window or tabBrand New$79.99Buy It NowFree delivery7+ watchers
- Gucci Girls blue floral flora fane two piece swimsuit bikini 12Opens in a new window or tabBrand New$112.00or Best Offer+$4.84 delivery
- Athleta Girl Ice Pink Camo Cannonball Shorts Swim Bottoms NWT Various SizesOpens in a new window or tabBrand New$19.99Buy It Now+$5.50 delivery4+ watchers
- Athleta Girl One Piece Swimsuit Size 12 Purple - NWTOpens in a new window or tabBrand New$30.00or Best Offer+$5.00 delivery
- Kanu Surf Girls' Alania Flounce Bikini Beach Sport 2 Piece Swimsuit Size 12 2146Opens in a new window or tabNew (Other)$11.50Buy It Now+$4.71 delivery
- Little Marc Jacobs Girls One Piece Striped Metallic Swimsuit Red Black Size 12Opens in a new window or tabPre-Owned$37.49or Best Offer+$4.95 delivery50% off 4+ with coupon
- Burberry Kids Logo Tan Check Print Bikini Swim Bottoms 12YOpens in a new window or tabPre-Owned$49.95or Best Offer+$6.50 deliveryFree returns
- Polo Ralph Lauren Stretch Jacquard Two-Piece Swimsuit Girls 12 Bright Pink/WhiteOpens in a new window or tabBrand New$36.39or Best Offer+$5.95 deliveryFree returnsTop Rated Plus
- Fin Fun Mermaidens Swimmable Mermaid Tail & Monofin Kid's Size L (10) .Opens in a new window or tabBrand New$29.99or Best Offer+$11.99 delivery
- Nike Girls Swimsuit Hydrastrong One Piece Black Teal Kneeskin Sz 28 Y (11-12)Opens in a new window or tabBrand New$24.77Buy It NowFree delivery
- NEW Girls Flower Cut Out One Piece Swimsuit Bathing SuitOpens in a new window or tabNew (Other)$11.99Buy It Now+$4.75 deliveryBuy 2, get 1 20% off
- Justice Girls Size 12 Reversible 2 Piece Bikini Swim Hot Pink Neon Ombre UPF 50+Opens in a new window or tabBrand New$19.85Buy It NowFree delivery
- Roxy Girls Paradise Trip Crop Top Bikini Swim Set Sz 12 Swimsuit NEW NWTOpens in a new window or tabBrand New$26.92Was: $29.9110% offor Best Offer+$6.99 deliveryFree returnsTop Rated Plus
- Verdusa 3 piece swimwear set girls 12 years bikini sheer beach skirt black newOpens in a new window or tabBrand New$17.10or Best Offer+$5.80 delivery
- Lily Pulitzer Girls Printed Swimsuit Set Multicolor Size 12-18MOpens in a new window or tabNew (Other)$44.99or Best Offer+$4.95 delivery50% off 4+ with coupon
- Crewcuts J. Crew J.Crew Girls Pink & White Striped Seersucker Bikini Size 12 PolOpens in a new window or tabPre-Owned$29.99or Best OfferFree deliveryExtra 10% off with coupon
- Kanu 2 Piece Long Sleeve Rash Guard Swim Suit Girls Size 12 Tie Dye UPF 50 NWTOpens in a new window or tabBrand New$9.99or Best Offer+$5.99 deliveryFree returnsExtra 10% off with coupon
- minnow nantucket girls bathing suit 11/12Opens in a new window or tabPre-Owned$18.00or Best Offer+$4.84 delivery
- NWT ZARA Girls Floral Swimsuit Bikini Multicolor SIZE 11 TO 12 YEARSOpens in a new window or tabBrand New$15.00or Best Offer+$5.00 delivery
- Polo Ralph Lauren Girls Size 12 2-Piece Light Blue Bathing Suit NWOTOpens in a new window or tabNew (Other)$25.00or Best Offer+$6.55 deliveryLast one
- LANDS END Girls Swim Shorts Blue Smiley Face UPF50 Quick Dry Stretch Size 12 NWTOpens in a new window or tabBrand New$14.95or Best Offer+$4.95 delivery
- RSQ Girls Wavey Bralette Bikini Set Two Piece Swimsuit Size 12Opens in a new window or tabBrand New$14.00Buy It Now+$4.84 delivery
- Speedo One Piece Competitive Swimsuit Navy PROLT SUPRO 12/28 Youth NewOpens in a new window or tabBrand New$22.00or Best OfferFree deliveryFree returnsSave up to 10% when you buy moreTop Rated Plus
- Speedo Girls' One Piece Swimsuit Closed Racerback 2023 Anthracite Size 12 NWTOpens in a new window or tabBrand New$14.99or Best Offer+$4.52 delivery in 2-4 daysFree returnsTop Rated Plus
- NWT Girls Art Class Bikini Swimsuit Bathing Suit Size L 10/12Opens in a new window or tabBrand New$3.89Buy It Now+$4.52 delivery in 2-4 days10 watchers
- Lilly Pulitzer Girls Youth Swim Bikini Bottoms Sz 12 Preppy Bright SummerOpens in a new window or tabPre-Owned$12.00or Best Offer+$4.51 delivery
- ROXY Girls' Beach Trip 2" Boardshorts L99007 Size Large / 12Opens in a new window or tabBrand New$29.75Was: $35.0015% offBuy It Now+$5.20 deliveryFree returnsExtra 15% off with couponTop Rated Plus
- NWT Justice Black Tiered Ruffle Tankini Swimsuit 2PC 12 GirlsOpens in a new window or tabBrand New$14.99Buy It NowFree delivery
- Janie And Jack BNWOT size 12 Girls Flamingo Bikini two PieceOpens in a new window or tabNew (Other)$19.99or Best Offer+$4.44 delivery
- Juicy Couture Girls Butterfly 2- Piece Bikini NWT Size 12 YOpens in a new window or tabBrand New$18.95or Best Offer+$4.84 delivery
- SPEEDO Swimsuit Kid Girls Size 12 One Piece Stripe Chlorine Resistant Summer NEWOpens in a new window or tabBrand New$17.99Was: $19.9910% offor Best OfferFree deliveryFree returnsTop Rated Plus
- SPEEDO Girl's Size 12 Swimsuit 1 Pc Swim Black Pink Coral Paradise NWTOpens in a new window or tabBrand New$19.90Buy It NowFree delivery in 2-4 daysLast one
- NWT Burberry Check Bikini Set Size 12 YearsOpens in a new window or tabBrand New$115.00or Best Offer+$5.00 delivery
- Eddie Bauer Youth Girls Kids 4-piece Reversible Swim Suit Set, Purple M 10/12Opens in a new window or tabBrand New$19.98Buy It Now+$6.98 delivery in 2-4 days22 sold
- Crewcuts Youth Girls Size 12 Floral Rash Guard / Bikini Bottom Swimsuit ZP-2003Opens in a new window or tabBrand New$39.99Buy It Now+$6.55 delivery
- NWT L Space Girls Size 12 Little Leilani Racerback One Piece SwimsuitOpens in a new window or tabBrand New$30.00or Best OfferFree deliveryLast one
- Hanna Andersson 150 Girls 12 Swimsuit Fish Coral Starfish One Piece NwotOpens in a new window or tabNew (Other)$19.93Was: $22.1410% offor Best Offer+$6.55 delivery
- Mini Boden Rainbow Sun Applique Blue One Piece Halter Neckline Swimsuit 11-12YOpens in a new window or tabPre-Owned$16.90Was: $18.9911% offor Best Offer+$4.25 delivery in 2-4 days
- New Polo Ralph Lauren Big Girls "USA" One-Piece Swimsuit - Size 12 - Navy BlueOpens in a new window or tabBrand New$19.95Buy It Now+$5.95 delivery8 watchers
- ~NEW~ ZeroXposure Youth Girls 2-Piece Swim Set ~ Size M 10/12Opens in a new window or tabBrand New$14.00Buy It Now+$7.00 delivery
- NWT size 7 12 TEA COLLECTION Turtle Floral Rash Guard SetOpens in a new window or tabBrand New$39.99Buy It Now+$5.00 delivery
- LANDS' END Girl's 8, 12 Dolphin Sunset 3-Pc UPF 50 Swim Set NWT $55Opens in a new window or tabBrand New$19.99Was: $24.9920% offBuy It Now+$5.80 delivery
- Agua Bendita Noah Embellished Rashguard Youth Shirt - Sz 12 - New with TagsOpens in a new window or tabBrand New$70.000 bids · Time left4d 17hor Best Offer+$4.84 delivery
- Snapper Rock Girls Pink Hawaiian Floral Triangle Top Bikini Set Size 12 11-12yrsOpens in a new window or tabPre-Owned$11.28or Best Offer+$6.30 delivery
- Kanu Surf Girls' Flounce Bikini 2 Piece Swimsuit Size 14 Top/ Size 12 BottomsOpens in a new window or tabBrand New$11.99Was: $14.9920% offor Best Offer+$4.84 delivery
- Hurley Swimsuit Girls 12 Pink Purple Ombre Halter Tankini Boyshort 2 PieceOpens in a new window or tabNew (Other)$19.99or Best Offer+$5.99 deliveryFree returnsTop Rated Plus
- Zara Girls Kids 11-12 Years Bikini Bottoms Only swimwearOpens in a new window or tabBrand New$6.49Buy It Now+$4.99 delivery20 watchers
- MINI BODEN Green Surf Suit Floral Stripe Swim Suit Size 11-12YOpens in a new window or tabPre-Owned$11.96Was: $14.9520% offBuy It Now+$7.00 delivery
- Hanna Andersson Girls 12 Flamingo Lagoon Tankini Swimsuit NWT NEWOpens in a new window or tabBrand New$25.00Buy It Now+$6.55 delivery
- Girls Modest Swim Suit Long sleeve Top With Skirt Size 11-12 YrsOpens in a new window or tabPre-Owned$12.99or Best Offer+$6.00 delivery
- Items Per Page
