3,100+ results
- Athleta Girl Reversible High Neck Bikini Top Swim Bottom Size 12 Large NEW NWTOpens in a new window or tabBrand New$40.00or Best Offer+$4.84 delivery
- Matilda Jane Luau Pink Hibiscus 2pc Swimsuit NWT Size 12Opens in a new window or tabBrand New$22.00or Best Offer+$4.84 delivery
- 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
- Athleta Girl “Bora Bora” 2 Piece Swim Suit Size L 12Opens in a new window or tabPre-Owned$20.00or Best Offer+$4.00 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
- NWT GAP KIDS Girls Size XL (12) Lot of 3 Bathing Suits/Swimsuits Colorful NEWOpens in a new window or tabBrand New$45.00or Best Offer+$9.45 delivery
- Girls Billabong Reversible Bikini Tropic Crush Size 12 Bathing Suit *A4Opens in a new window or tabBrand New$22.99or Best Offer+$5.99 delivery
- NWT Speedo Girls One Piece Swimsuit Pro LT Solid Blue Youth Swim Size 12/28Opens in a new window or tabBrand New$19.99or Best Offer+$5.25 delivery in 2-4 days
Picked For You
Top selling items from trusted sellers | Sponsored- PQ KIDS Strawberries Allie Reversible Triangle Two Piece Bikini Set, Multi, 12Opens in a new window or tab$49.992015market (98,573) 98.7%
- Girls Body Glove Grey and Pink Track Suit Size 12 (196)Opens in a new window or tab$19.99rivercityauctions (3,525) 100%
- NEW - ROXY Girl's STRIPED Multi-Color BIKINI SET Swimsuit Size: L (12)Opens in a new window or tab$34.95thedesignerrack (39,587) 99.5%
- Hanna Andersson One-Piece Flutter Sleeve Citrus Fruit Print Swimsuit Girl's 12Opens in a new window or tab$22.45greyravensupplyco (19,716) 100%
- Hatley Girls' One Piece Swimsuit, Shibori Tie Dye size 12Opens in a new window or tab$25.00unlimitedfashionclt (51,404) 99.1%
- GAP Teen Bathing Suit Navy Stripe - Size 12Opens in a new window or tabPre-Owned$11.99Time left9h 13mor Best Offer+$6.55 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
- Beach Riot Little Celine Cutout One Piece Swimsuit: Size 11/12: Pink (48)Opens in a new window or tabPre-Owned$35.00or Best Offer+$6.65 delivery
- Girls Sz 12 Two Piece Tankini Swimsuit Wallflower Blue/Pink Floral and CheckOpens in a new window or tabBrand New$15.99or Best OfferFree delivery
- under armour swimsuit Girls Size 12Opens in a new window or tabPre-Owned$9.99or Best Offer+$4.71 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
- Girls Breaking Waves Floral Swimsuit Size 12Opens in a new window or tabPre-Owned$11.15or 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 25% off with coupon
- Snapper Rock Girl's Size 12 One Shoulder Striped UPF 50 NWTOpens in a new window or tabBrand New$22.00or Best Offer+$5.35 delivery in 2-4 days
- 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 Black One Piece Bathing Suit Size 11/12Opens in a new window or tabPre-Owned$10.29or Best Offer+$4.71 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
From our popular brands
Based on number of views and purchases | Sponsored- AthletaAthleta Girl Reversible High Neck Bikini Top Swim Bottom Size 12 Large NEW NWTOpens in a new window or tabBrand New$40.00+$4.84 delivery
- 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
- 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
- NikeNike swimsuit, Women’s 24/00 Girls About 12Opens in a new window or tabPre-Owned$11.00+$4.71 delivery
- SpeedoSpeedo Girls Tankini Swimsuit Bundle (2) Size 12Opens in a new window or tabBrand New$16.80+$9.45 delivery
- ROXYRoxy Girls Bundle of Two Bikini Tops Size 12 (Girls)Opens in a new window or tabPre-Owned$16.00+$6.00 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
- HurleyHurley Swimsuit Girls 12 Pink Purple Ombre Halter Tankini Boyshort 2 PieceOpens in a new window or tabNew (Other)$19.99+$5.99 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
- NikeNWT Nike One Piece Black Blue Swimsuit NESS4038-494 Kid's Size 12Opens in a new window or tabBrand New$31.58+$6.95 delivery
- Mini Boden Rainbow Sun Applique Blue One Piece Halter Neckline Swimsuit 11-12YOpens in a new window or tabPre-Owned$16.71Was: $18.9912% offor Best Offer+$4.25 delivery in 2-4 days
- Zara Solid Red Bikini Adjustable Straps 2 Piece Bathing Suit Girls Size 11-12Opens in a new window or tabBrand New$22.99or Best Offer+$7.50 delivery15 watchers
- OshKosh Girl 2 Piece Unicorn Long Sleeve Rash Guard Top Bikini Swim Suit 12Opens in a new window or tabBrand New$24.99or Best Offer+$5.98 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
- Speedo Girls Swimsuit (2) BUNDLE SIZE 12Opens in a new window or tabBrand New$15.99or Best Offer+$6.55 delivery
- Kanu Surf Girls' Waverly Beach Sport Criss-Cross Tankini, Solid Black, 12Opens in a new window or tabBrand New$15.00or Best Offer+$4.71 delivery
- O’Neill girls one piece swimsuit 12Opens in a new window or tabNew (Other)$30.00or Best OfferFree 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
- NWT Under Armour Girls Size 12 Blue Pink Flutter Bikini Swimsuit Tie dyeOpens in a new window or tabBrand New$25.00or Best Offer+$4.84 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
- REI Floral UPF 35 Rash guard Girls 12Opens in a new window or tabPre-Owned$12.00Was: $15.0020% offor Best Offer+$5.99 delivery in 2-4 daysFree returnsTop Rated Plus
- Hobie Girls' Keyhole Side TIE 1PC, Coral, 12Opens in a new window or tabBrand New$19.20Was: $24.0020% offor Best Offer+$8.71 delivery
- Lands' End Swimsuit Swim Dress Girls Size 12 Rainbow Print One Piece TankOpens in a new window or tabPre-Owned$14.39Was: $17.9920% offor Best Offer+$6.50 deliveryFree returnsExtra 20% off with couponTop Rated Plus
- Kanu Surf Girls' Flounce Bikini Beach Sport 2 Piece Swimsuit Multi Size 12 1596Opens in a new window or tabNew (Other)$14.00or Best Offer+$5.00 deliveryFree returnsTop Rated Plus
- 8 Piece Girls Summer LOT Size 10 - 12 Swimwear Shorts Short Sleeve Top SwimsuitOpens in a new window or tabPre-Owned$25.00or Best Offer+$8.78 delivery
- Art Class Tropical Print Short Sleeve Back-Zip One Piece Rash Guard Size 10/12Opens in a new window or tabPre-Owned$9.00or Best Offer+$4.52 delivery in 2-4 days
- Under Armour Girls Size 12-16 Black Multi Long Sleeve Swimsuit Rash GuardOpens in a new window or tabPre-Owned$20.00or Best Offer+$4.80 delivery in 2-4 daysFree returns
- 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
- Oshkosh Swim Cover Girls Size 12Opens in a new window or tabPre-Owned$4.99or Best Offer+$5.25 delivery
- Bowie James Swim Top Girls 11/12 Black Cutout Constellations CelestialOpens in a new window or tabPre-Owned$5.97Was: $8.5330% offor Best Offer+$4.51 deliveryFree returnsExtra 10% off with coupon
- 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
- JANIE AND JACK Coral Blue Ruffled Edge Bikini Paisley Floral Swim Suit Girls 12Opens in a new window or tabPre-Owned$29.00or Best Offer+$6.50 delivery
- JUSTICE Girls size 12 TYE DYE SWIMSUITOpens in a new window or tabPre-Owned$12.00or Best Offer+$4.84 delivery
- 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
- Juicy Couture Black Label Pink White Striped Crochet One Pc Swimsuit Girl SZ 12Opens in a new window or tabBrand New$59.99or Best Offer+$7.00 delivery
- NWT Roxy Girls Paradise Trip Crop Top Bikini Swim Set Sz 12Opens in a new window or tabBrand New$25.00or Best Offer+$5.95 delivery
- Vineyard Vines Tankini Girls Large 10/12Opens in a new window or tabPre-Owned$16.25or Best Offer+$6.84 delivery
- OshKosh Girl Blue July 4th Flip Sequin Heart Flag One Piece Bikini Swimsuit 12Opens in a new window or tabBrand New$19.99or Best Offer+$5.98 delivery
- Shelloha Bathing Suit Size 12Opens in a new window or tabPre-Owned$0.99Time left6d 23hor Best Offer+$6.00 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 Rash Guard one piece Swim Girl Watermelon size 12Opens in a new window or tabPre-Owned$13.22Was: $18.8830% offor Best OfferFree delivery in 2-3 daysFree returns
- LL Bean Blue Pink Watersport Swim Tankini and Bottoms Set Girl Size 8 And 12 NWTOpens in a new window or tabBrand New$15.99or Best Offer+$6.55 deliveryBenefits charity
- Maaji Girls Floral Reversible Bikini Two Piece Size 12/14, 12 Bottoms/14 TopOpens in a new window or tabPre-Owned$26.00or Best Offer+$4.99 delivery
- Athleta Girl 12 Long Sleeve One Piece Swimsuit Zip UpOpens in a new window or tabPre-Owned$25.00or Best Offer+$6.20 delivery
- Kinsey Girls Floral Smocked Bathing Suit Size 12 Year Beige / White NWTOpens in a new window or tabBrand New$38.00or Best Offer+$3.89 delivery
- Nike Essential Girl's Racerback 1-Piece Swimsuit - Black 28 / GRL 12Opens in a new window or tabBrand New$20.00or Best Offer+$6.55 delivery
- Lands End Girl Pink Sparkle One Piece Swimsuit Bathing Suit Skirt Dress Sz 12Opens in a new window or tabPre-Owned$14.99or Best Offer+$5.98 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
- Rip Curl NEON ISLES LS SURFSUIT - GIRL Size 12Opens in a new window or tabBrand New$34.46Was: $45.9525% offor Best Offer+$7.00 delivery in 2-4 days
- Wonder Nation Girls Swim Wear Tank/Shorts Floral Print Top M 7/8 Bottom L 10/12Opens in a new window or tabBrand New$12.00or Best Offer+$8.84 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 delivery
- Maaji Girls' sz 12 Bikini Top Lagoon Azure Blue Stripe GeoOpens in a new window or tabPre-Owned$20.00or Best Offer+$4.84 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
- Speedo Girls Size 12 Racerback Sport One Piece Swimsuit NewOpens in a new window or tabNew (Other)$15.00or Best Offer+$4.71 delivery
- Maaji Girls Rashguard Reversible Swimsuit Sz 12 Long Sleeve Zip FrontOpens in a new window or tabPre-Owned$30.00or Best Offer+$7.35 delivery
- Speedo Size 12 Girls Red White Blue Stripe Blocked One Piece SwimsuitOpens in a new window or tabBrand New$29.40Was: $42.0030% offor Best Offer+$3.99 delivery
- NWT Girls Art Class Bikini Swimsuit Bathing Suit Size L 10/12Opens in a new window or tabBrand New$5.99or Best Offer+$4.52 delivery in 2-4 days
- Beach Waves Girls Bikini Swim SuitOpens in a new window or tabPre-Owned$6.00Time left7h 10mor Best Offer+$4.33 delivery
- Cute Hurley GIRLS Child Size 12 One Piece Floral Swimsuit Blue Roses WhimsigothOpens in a new window or tabPre-Owned$15.00or Best Offer+$4.71 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
- Hanna Andersson 150 Swimsuit Shorts Bottom Girls 12 Pink Mickey MouseOpens in a new window or tabPre-Owned$9.50Was: $10.5610% offor Best Offer+$6.55 delivery
- 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
- 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
- Bella Dahl Ruched Bikini Bottom and Top Size 12Opens in a new window or tabNew (Other)$26.00or Best Offer+$4.71 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
- Items Per Page
