3,100+ results
- Speedo Endurance Youth Green and White Swim Suit One Piece Girls Size 12Opens in a new window or tabPre-Owned$12.00or Best Offer+$5.31 delivery
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- Sweet Honey Rash Guard Swimsuit Girls 12Y Pink Blue Floral Long Sleeve RuffleOpens in a new window or tabPre-Owned$13.95or Best Offer+$5.50 deliveryFree returnsTop Rated Plus
- Abercrombie & Fitch Girls Bikini Swim Bottoms - Size 11/12 - PurpleOpens in a new window or tabPre-Owned$10.95or Best Offer+$4.51 delivery
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- Chloé Girls Navy and White Striped Swimsuit One Piece Bathing SuitOpens in a new window or tabPre-Owned$43.00or Best Offer+$8.24 delivery
- Love Shack Fancy Girls 12Y Swimsuit One Piece Floral Pink White RuffleOpens in a new window or tabPre-Owned$34.99or Best Offer+$5.80 delivery
- Hanna Andersson Navy Blue Striped Rash Guard - Size 12 NWOTOpens in a new window or tabNew (Other)$18.00or Best Offer+$4.84 delivery
- Polo Ralph Lauren Girls SwimwearOpens in a new window or tabBrand New$22.00or Best Offer+$4.62 delivery
- Roxy Girl’s Two Piece Blue Floral Bikini Swimsuit Set Size 12Opens in a new window or tabBrand New$39.90or Best Offer+$6.55 delivery
- Athleta Girl Short Sleeve Navy Blue Tie Dye Rash Guard Size L 12Opens in a new window or tabPre-Owned$14.00Time left36mor Best Offer+$4.85 delivery
- Hurley Girls One-Piece Swimsuit – Size 12 – Pale Ivory/Multi – UPF 50+ – NWTOpens in a new window or tabBrand New$17.97or Best OfferFree delivery
From our popular brands
Based on number of views and purchases | Sponsored- SpeedoSpeedo Endurance Youth Green and White Swim Suit One Piece Girls Size 12Opens in a new window or tabPre-Owned$12.00+$5.31 delivery
- AthletaAthleta Girl Mock Neck S/S Rashguard Swim Top Size Large 12 Black Tie DyeOpens in a new window or tabPre-Owned$14.99+$4.71 delivery
- GapGirls ~GAP Kids~ Navy Blue Long Sleeve Bathingsuit Rashguard Size XL/12 PristineOpens in a new window or tabPre-Owned$11.99+$4.95 delivery
- SpeedoSpeedo Tankini Set Girls 12 Blue Purple WatercolorOpens in a new window or tabPre-Owned$7.69+$7.35 delivery
- ROXYRoxy Girl Swimsuit Two Pieces Sz 12 Logo All OverOpens in a new window or tabPre-Owned$11.90+$7.00 delivery
- BillabongBillabong Kids' In My Dreams Reversible Two-Piece Swimsuit NWT Size 12 GirlsOpens in a new window or tabBrand New$35.00+$9.84 delivery
- ROXYNWOT Roxy Girls Like Us Flutter Swim Set, Bright White Rainbow Size 12Opens in a new window or tabNew (Other)$24.99+$8.84 delivery
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- NEW Athleta Girl Rashguard Mock Neck Blue Tie Dye Sz 12 Large Swim Shirt NWTOpens in a new window or tabBrand New$18.00or Best Offer+$4.25 delivery
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- HANNA ANDERSSON Pnk CITRUS ORANGE Long Slv Rash Guard SWIM SUIT Top Pink 150 12Opens in a new window or tabBrand New$38.00Time left6d 7hor Best Offer+$4.41 delivery
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- Snapper Rock Girl's Size 12 One Shoulder Striped UPF 50 NWTOpens in a new window or tabBrand New$18.70Was: $22.0015% offor Best Offer+$5.35 delivery in 2-4 days
- Mini Boden strawberries Swimsuit 10/12Opens in a new window or tabPre-Owned$19.00or Best Offer+$8.84 delivery
- Athleta Girl Santorini Energy Tankini Top Sz L (12) NWTOpens in a new window or tabNew (Other)$20.00or Best Offer+$4.84 delivery
- Tea Collection Girls Ruffle Swim Bottoms Pink Size 12Opens in a new window or tabPre-Owned$3.00Time left14h 23mor Best Offer+$4.00 delivery
- ROXY~NEW~2 Pc Rashguard L/S Swim Shirt & Bikini Bottoms Set~Girls Size 12~NWTOpens in a new window or tabBrand New$24.95or Best Offer+$4.00 deliveryFree returns2 watchersTop Rated Plus
- MC2 SAINT BARTH Girls Pink Bandana Embroidered One Piece Swimsuit Size 12Opens in a new window or tabPre-Owned$29.99or Best Offer+$6.55 delivery
- Lily & Londyn’s Swimsuit Tankini Bikini Floral Print EUC Size 12Opens in a new window or tabPre-Owned$29.08or Best Offer+$5.25 deliveryFree returnsTop Rated Plus
- Girls Bathing Suits ** Lot of 3 ** Size 10/12 Cat & Jack And Wonder WorksOpens in a new window or tabPre-Owned$15.00or Best Offer+$9.39 delivery
- Billabong NWOT Girls Tropic Tides One-Piece Swimsuit In Marina Size 12 BeachOpens in a new window or tabNew (Other)$25.00or Best Offer+$5.99 delivery
- PATAGONIA one piece floral SWIMSUIT RASHGUARD SIZE 12Opens in a new window or tabPre-Owned$40.00or Best Offer+$8.24 delivery
- Fin Fun Mermaidens Swimmable Mermaid Tail & Monofin Kid's Size L (10) .Opens in a new window or tabBrand New$39.99or Best Offer+$11.99 delivery
- Versace Girl's Barocco One-Piece Swimsuit Size 5Opens in a new window or tabBrand New$75.00or Best Offer+$8.84 delivery
- ROXY GIRL 2 Piece Pink Floral Sz 12, Bathing Suit. Top And ShortsOpens in a new window or tabPre-Owned$8.99or Best Offer+$4.84 delivery
- Stella McCartney L5535 Kids Rainbow Bikini Girls Size 12 / 14 Lot Of 3 JusticeOpens in a new window or tabPre-Owned$37.50Was: $74.9950% offor Best Offer+$9.00 delivery in 2-4 daysFree returnsExtra 10% off with couponTop Rated Plus
- Girls Matilda Jane MJC Starboard Swimsuit Bottom (Sz 10) & Tankini Top (Sz 12)Opens in a new window or tabPre-Owned$34.99or Best Offer+$4.71 delivery
- Happy Nation Long Sleeve One Piece SwimsuitOpens in a new window or tabPre-Owned$0.99Time left2d 10hor Best Offer+$4.71 delivery
- Justice Neon Multicolored Swimsuit Halter Top, Girls Size 12, Pre-OwnedOpens in a new window or tabPre-Owned$8.68or Best OfferFree deliveryFree returns$5 off $30+
- Athleta Girl Free Spirit Tankini Top Pink Camo Sz L (12) NWTOpens in a new window or tabNew (Other)$20.00or Best Offer+$4.84 delivery
- Hanna Andersson 1 Pc. Stripe Swimsuit(150=12) & Mini Boden Cover-up(13-14 Yrs)Opens in a new window or tabPre-Owned$18.99Time left16h 35mor Best Offer+$17.05 delivery
- Abercrombie Girls Navy Blue Lace Bikini Set 11/12 Two-Piece SwimsuitOpens in a new window or tabBrand New$24.94or Best Offer+$5.99 deliveryFree returns
- O'Neill Blue Rosetta Ruffle Back Barlett & Bottom Youth Bathing Suit 2PC Size12Opens in a new window or tabBrand New$49.00or Best Offer+$6.29 delivery
- Athleta Girl Sunny Flora Bikini Top L 12 Stretch Nylon Swim BeachOpens in a new window or tabPre-Owned$10.46Was: $14.9530% offor Best Offer+$4.99 delivery
- Girl's 2 Piece Color block Ring Linked Bikini Swimsuit Ribbed Knit Bathing SuitOpens in a new window or tabNew (Other)$12.99or Best OfferFree delivery
- 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
- Billabong Girls Rad Rainbow White Ombre Swim Bottom Separates Size 12Opens in a new window or tabBrand New$12.74Was: $14.9915% offor Best Offer+$5.00 delivery
- OVOVOD NWT Girls' Black Multicolor Print Long Sleeve Rash Guard Top Size 11-12Opens in a new window or tabBrand New$7.99or Best Offer+$4.52 delivery
- Lands End GIRLS 2PC Swimsuit size 12Opens in a new window or tabPre-Owned$0.99Time left2d 9hor Best Offer+$4.71 delivery
- Speedo Tankini Set Girls 12 Blue Purple WatercolorOpens in a new window or tabPre-Owned$7.69Was: $15.3950% offor Best Offer+$7.35 deliveryFree returnsTop Rated Plus
- Art Class Two Piece Swimsuit Size 10/12Opens in a new window or tabPre-Owned$10.00or Best Offer+$4.84 delivery
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