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
- 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
- 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
- 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
- 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 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
- 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
- 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
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 (98,500) 98.7%
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- J.Crew Crewcuts Girls $60 one-piece swimsuit with UPF 50+ Pink Size 12 CA521Opens in a new window or tab$35.00theplaidpalmetto (7,774) 99.6%Extra 40% off with coupon
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- Nike Girl’s One Piece Swim Suit Practice Racing Suit Size 28 12 NWTOpens in a new window or tabBrand New$24.97or Best Offer+$6.55 delivery
- NWT GAP KIDS Girls Size XL (12) Lot of 3 Bathing Suits/Swimsuits Colorful NEWOpens in a new window or tabBrand New$31.50Was: $45.0030% offor Best Offer+$9.45 delivery
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- 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
- Speedo Girls Swimsuit (2) BUNDLE SIZE 12Opens in a new window or tabBrand New$15.99or Best Offer+$6.55 delivery
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- NWT Athleta Girl High Rise Ombre Swim Bikini Bottoms Blue / Green Size 12Opens in a new window or tabBrand New$24.99or Best Offer+$4.51 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
- 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
- Under Armour Two Piece Bikini Set Black Watercolor Size 12 Swimsuit NWT GirlsOpens in a new window or tabBrand New$29.90or 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 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 Girls Swimsuit (2) BUNDLE SIZE 12Opens in a new window or tabBrand New$15.99+$6.55 delivery
- ROXYRoxy Girl's Moonlight Story Athletic Swim Set (Big Kids) Rustic BrownOpens in a new window or tabBrand New$23.20+$8.71 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
- AthletaATHLETA GIRL Navy Blue + Pink Floral Island Time Girl's Takini Swimsuit Top L/12Opens in a new window or tabPre-Owned$16.24+$5.99 delivery
- ArtLot/2 Girl's Kids Bathing Suits One Piece Swimwear Art Class/old Navy Size 10/12Opens in a new window or tabPre-Owned$14.99+$4.84 deliveryExtra 20% off with coupon
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- HurleyHurley Swimsuit Girls 12 Pink Purple Ombre Halter Tankini Boyshort 2 PieceOpens in a new window or tabNew (Other)$19.99+$5.99 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
- Red White Cat & Jack Two Piece Gingham Girl's Swimsuit Size L 10/12Opens in a new window or tabPre-Owned$10.99or Best Offer+$4.41 delivery
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- 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 delivery14 watchers
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- Art Class Two Piece Swimsuit Size 10/12Opens in a new window or tabPre-Owned$7.00Was: $10.0030% offor Best Offer+$4.84 delivery
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- Girls Eddie Bauer Swim Rash Guard, Reversible Bottom & Shorts M 10/12Opens in a new window or tabPre-Owned$9.50Was: $18.9950% offor Best Offer+$5.31 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
- 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
- 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
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- 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
- Shade Critters Girl’s Pink Sequin One Piece Swimsuit Size 12Opens in a new window or tabNew (Other)$41.80or 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
- Hobie Girl Halter Bikini Top Bottom Swimsuit Set sz 12 - Terry Orange NWT $43.00Opens in a new window or tabBrand New$19.60Was: $28.0030% offor Best Offer+$6.55 delivery
- Girls Roxy size 12(L) 2 piece Long Sleeve treasure swimsuitOpens in a new window or tabNew (Other)$19.99or Best Offer+$4.71 delivery
- Rip Curl Block Party Long Sleece Surfsuit Size 12Opens in a new window or tabBrand New$39.16Was: $55.9530% offor Best Offer+$7.00 delivery in 2-4 days
- Tea Collection Rash Guard one piece Swim Girl Watermelon size 12Opens in a new window or tabPre-Owned$18.88or Best OfferFree delivery in 2 daysFree returns
- The Children’s Place Girls One Piece Swim Suit Purple Butterfly Design Size 12Opens in a new window or tabPre-Owned$10.00or Best Offer+$4.99 delivery
- O’NEILL Girl’s Tropical Floral Strappy Bikini Size 12Opens in a new window or tabPre-Owned$19.00or Best Offer+$7.99 delivery
- NWT L Space Girls Size 12 Little Leilani Racerback One Piece SwimsuitOpens in a new window or tabBrand New$30.00or Best OfferFree delivery
- Justice Girl Size 12 Pink Tankini Swim Top Halter Gems RuffleOpens in a new window or tabPre-Owned$9.99or Best Offer+$4.99 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
- 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
- Free Style Girls Sz 12 Swimsuit Two Piece Bikini Colorful Tankini Hippie RuffleOpens in a new window or tabPre-Owned$7.00or Best Offer+$6.00 deliveryFree returnsExtra 5% off with couponTop Rated Plus
- Shelloha Bathing Suit Size 12Opens in a new window or tabPre-Owned$0.99Time left2d 23hor Best Offer+$6.00 delivery
- Justice Girl Size 12 Pink Swim Top Ruffle “Aloha” Bikini SwimsuitOpens in a new window or tabPre-Owned$9.99or Best Offer+$4.99 delivery
- Lot/2 Girl's Kids Bathing Suits One Piece Swimwear Art Class/old Navy Size 10/12Opens in a new window or tabPre-Owned$14.99or Best Offer+$4.84 deliveryExtra 20% off with coupon
- NWT Tommy Bahama Swimsuit Girls sz 12 One Piece Pink & White Check w/RuffleOpens in a new window or tabBrand New$19.99or Best Offer+$6.55 delivery
- LL Bean Wild Rose Watersport Swim Tankini and Bottom Set Girl Size 6X/7 - 12 NWTOpens in a new window or tabBrand New$15.99or Best Offer+$8.54 deliveryBenefits charity
- Vineyard Vines Tankini Girls Large 10/12Opens in a new window or tabPre-Owned$16.25or Best Offer+$6.84 delivery
- NWT Seafolly Girls Saint Lucia Surf Set 2pc Green Floral Sz 12 AUOpens in a new window or tabBrand New$27.49Was: $49.9945% offor Best Offer+$5.50 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 in 2-4 days
- 8 Piece Girls Summer LOT Size 10 - 12 Swimwear Shorts Short Sleeve Top SwimsuitOpens in a new window or tabPre-Owned$18.75Was: $25.0025% offor Best Offer+$8.78 delivery
- Billabong Girl's Size 12 2 Pc Bikini Swimsuit Stoked on Stripes Blue Pink OrangeOpens in a new window or tabBrand New$29.90or Best OfferFree delivery
- NWT Boys Minecraft UPF 50+ Sun Protection Tee Size 10/12Opens in a new window or tabBrand New$13.27Was: $18.9530% offor Best OfferFree delivery in 2-4 daysLast one
- Girls MAAJI Reversible Bikini Top Size 12Opens in a new window or tabBrand New$14.99or Best Offer+$4.99 delivery
- Gap Bikini Set Teen Size 12 Purple New With Tags.Opens in a new window or tabBrand New$10.00Time left2d 21hor Best Offer+$4.51 delivery
- Juicy Couture Black Label Pink White Striped Crochet One Pc Swimsuit Girl SZ 12Opens in a new window or tabBrand New$41.99Was: $59.9930% offor Best Offer+$7.00 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
- Nike Girls Training Swimsuit. Sz 12. NWTOpens in a new window or tabBrand New$18.00or Best Offer+$4.84 delivery
- 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
- DOLCE & GABBANA Girl Swimwear Brass Logo Hydrangea Print 2pc Set Size 12 NWTOpens in a new window or tabBrand New$249.98or Best OfferFree delivery
- Roxy Girls Dreamer Ruffle Bralette 2 Pc Size 10 Bikini Swimsuit Floral -NEWOpens in a new window or tabBrand New$30.00or Best Offer+$4.52 delivery in 2-4 days
- Hanna Andersson One-Piece Flutter Sleeve Citrus Fruit Print Swimsuit Girl's 12Opens in a new window or tabPre-Owned$22.45Was: $24.9510% offor Best OfferFree delivery
- SPEEDO Girls Size 12 One-Piece Razorback Swimsuit Pink OrangeOpens in a new window or tabPre-Owned$12.00or Best Offer+$4.71 delivery
- Bella Dahl Ruched Bikini Bottom and Top Size 12Opens in a new window or tabNew (Other)$26.00or Best Offer+$4.71 delivery
- O Neill Board Short Girls 12 Lane Printed Hyperfreak Stretch Drawcord 2 InchOpens in a new window or tabBrand New$21.20Was: $24.9415% offor Best Offer+$5.95 delivery in 2-4 daysFree returnsExtra 30% off with couponTop Rated Plus
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