3,100+ results
- Hobie One Piece Swimsuit Girls Size 12Opens in a new window or tabBrand New$38.00or Best Offer+$7.00 delivery
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- Kidder Black Junior Shorty Wetsuit Purple Hearts Logo US Girls Size 12Opens in a new window or tabPre-Owned$39.00or Best Offer+$10.52 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
- Lilly Pulitzer Girls Purple Pink Two-Piece Bikini Swimsuit Adj Strap Size 12Opens in a new window or tabPre-Owned$19.00or Best Offer+$6.10 delivery
- Limited Too Pink Tie Dye 3 Piece Swim Set Tankini Bottoms Shorts Girls Med 10/12Opens in a new window or tabPre-Owned$12.00or Best Offer+$6.00 delivery in 2-3 days
- 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
- Abercrombie Kids girls two piece swimsuit Size 11/12 floral cream blueOpens in a new window or tabPre-Owned$15.00or Best Offer+$6.00 delivery
- Shein Black Neon Yellow Full Zip Long Sleeve Swim Shirt Youth Size 12Opens in a new window or tabNew (Other)$15.00or Best Offer+$6.40 delivery
- Speedo Girls One Piece Swimsuit Bathing Suit Blue Purple Race Racerback Swim 12Opens in a new window or tabPre-Owned$13.97or Best Offer+$4.97 delivery
- Cabana Life Girls 12 Rash Guard Long Sleeve Swim Shirt Zip Sun ProtectionOpens in a new window or tabPre-Owned$16.09Was: $22.9930% offor Best Offer+$6.30 deliveryFree returnsExtra 15% off with couponTop Rated Plus
- under armour swimsuit Girls Size 12Opens in a new window or tabPre-Owned$9.99or Best Offer+$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 deliveryExtra 30% off with coupon
- Hanna Andersson Navy Blue Striped Rash Guard - Size 12 NWOTOpens in a new window or tabNew (Other)$18.00or Best Offer+$4.84 delivery
- Athleta NWT high neck girls one piece swimsuit sz 12 large wave break blueOpens in a new window or tabBrand New$40.00or Best Offer+$12.00 delivery
- Kids Reversible 1 Piece Swimsuit, Coral, Daydreamer "Feather 4 Arrow", Size 12Opens in a new window or tabBrand New$22.00or Best Offer+$6.29 delivery in 2-4 days
- Abercrombie & Fitch Girls Bikini Swim Bottoms - Size 11/12 - PurpleOpens in a new window or tabPre-Owned$10.95or Best Offer+$4.51 delivery
- 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
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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
- SpeedoSpeedo Girls One Piece Swimsuit Bathing Suit Blue Purple Race Racerback Swim 12Opens in a new window or tabPre-Owned$13.97+$4.97 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
- ROXYNWOT Roxy Girls Like Us Flutter Swim Set, Bright White Rainbow Size 12Opens in a new window or tabNew (Other)$19.99+$8.84 delivery
- ROXYRoxy Girls Bundle of Two Bikini Tops Size 12 (Girls)Opens in a new window or tabPre-Owned$16.00+$6.00 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
- AthletaATHLETA GIRL Navy Blue + Pink Floral Island Time Girl's Takini Swimsuit Top L/12Opens in a new window or tabPre-Owned$14.99+$5.99 delivery
- NikeNike swimsuit, Women’s 24/00 Girls About 12Opens in a new window or tabPre-Owned$11.00+$4.71 delivery
- BillabongBillabong, Youth Girl’s Sun Dream One Piece High Neck Swimsuit, Pink, Size 12Opens in a new window or tabNew (Other)$42.75+$5.85 delivery
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- Hanna Andersson Girls Blue & White Striped Tankini Swim Top Size 12Opens in a new window or tabNew (Other)$14.99or Best Offer+$5.99 delivery in 2-4 daysFree returnsTop Rated Plus
- Speedo Girls Swimsuit (2) BUNDLE SIZE 12Opens in a new window or tabBrand New$15.99or Best Offer+$6.55 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
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- NEW Janie and Jack Pink and White One Piece Swimwear size 12Opens in a new window or tabBrand New$29.00or Best Offer+$4.52 delivery
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- Mini Boden Rainbow Sun Applique Blue One Piece Halter Neckline Swimsuit 11-12YOpens in a new window or tabPre-Owned$13.29Was: $18.9930% offor Best Offer+$4.25 delivery in 2-4 days
- Molo Girls Nolina Check Petit Bikini 11-12y Checkered Print Yin Yang Peace SignOpens in a new window or tabPre-Owned$24.99or Best Offer+$6.55 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
- Adidas Shorts Swim Kids Medium 10/12Opens in a new window or tabPre-Owned$18.00or Best OfferFree delivery
- NWT BMagical girls Swimsuit one piece & tulle skirt Cover Up size 12 SparklyOpens in a new window or tabPre-Owned$19.00or Best Offer+$5.50 delivery
- NWT BILLABONG Kids Medallion Moon Tribe High Neck One-Piece Girl’s Size 12Opens in a new window or tabBrand New$28.99or Best Offer+$5.00 delivery
- CREWCUTS Girls UPF 50+ Swimming Long Sleeves Top Sz 12Opens in a new window or tabPre-Owned$19.99or Best Offer+$4.84 delivery
- Hobie Girl Halter Bikini Top Bottom Swimsuit Set sz 12 - Terry Orange NWT $43.00Opens in a new window or tabBrand New$28.00or Best Offer+$6.55 deliveryExtra 15% off with coupon
- Mini Boden Short Sleeve Swimsuit Girls 11/12 Light Blue Rainbow Clouds Zip FrontOpens in a new window or tabPre-Owned$16.00or Best Offer+$4.84 delivery
- Girls Eddie Bauer Swim Rash Guard, Reversible Bottom & Shorts M 10/12Opens in a new window or tabPre-Owned$18.99or Best Offer+$5.31 delivery
- Girls Matilda Jane Lets Go Together Relay Swimsuit Size 12 Great Used ConditionOpens in a new window or tabPre-Owned$29.95or Best Offer+$5.62 delivery
- Kanu Surf Girls' Gigi Long Sleeve Rash Guard UPF 50 2-Piece Swim Set Size 12Opens in a new window or tabNew (Other)$14.50or Best Offer+$4.52 delivery in 2-4 daysFree returnsTop Rated Plus
- 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
- Bikini Tankini Swimsuit Bottoms Girls size 12 Turquoise Hipster Mix and MatchOpens in a new window or tabPre-Owned$16.94or Best Offer+$7.99 delivery
- NWOT Roxy Girls Like Us Flutter Swim Set, Bright White Rainbow Size 12Opens in a new window or tabNew (Other)$19.99Was: $24.9920% offor Best Offer+$8.84 delivery
- JANIE AND JACK Girls Blue I Coral Ruffled Edge Swim Suit Bikini I Size 12 EUCOpens in a new window or tabPre-Owned$18.00or Best Offer+$6.55 delivery
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