8,900+ results
- Matilda Jane Luau Pink Hibiscus 2pc Swimsuit NWT Size 12Opens in a new window or tabBrand New$22.00or Best Offer+$4.84 delivery
- Girls Kanu Surf Coral Reef Beach Sport Wrap Around Bikini 2-Piece Swimsuit Sz 12Opens in a new window or tabBrand New$17.49Was: $24.9830% offBuy It NowFree 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
- 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 delivery
- Athleta Girl Pool Days Tankini Cannonball Shorts Swim Set Floral Size 12 LargeOpens in a new window or tabPre-Owned$29.99Buy It NowFree delivery
- Abercrombie Kids Girls Bathing Suit Size 11/12 M Bikini Swimsuit 11 12 MediumOpens in a new window or tabBrand New$27.50Buy It Now+$4.50 delivery12 watchers
- PQ Girls Leo 852B Size 12 Floral Animal Print Two Piece Swimsuit NWT $76Opens in a new window or tabBrand New$29.99or Best Offer+$6.40 delivery
- Abercrombie Kids Girls Bathing Suit Size 11/12 M Bikini Swimsuit 11 12 MediumOpens in a new window or tabBrand New$27.50Buy It Now+$4.50 delivery13 watchers
Picked For You
Top selling items from trusted sellers | Sponsored- New! Girl's HURLEY 2 Piece Tankini Palm Tree Swimsuit 10/12Opens in a new window or tabBrand New$15.00Buy It Now+$4.84 delivery
- Speedo Girls ProLT Super Pro Youth Athletic One-Piece Swimsuit, Speedo Navy 8/24Opens in a new window or tabBrand New$16.99Buy It NowFree delivery7 watchers
- 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
- Speedo Pro LT girls Swimsuit 12/28 Purple One PieceOpens in a new window or tabNew (Other)$22.00Buy It Now+$7.00 delivery
- under armour swimsuit Girls Size 12Opens in a new window or tabPre-Owned$9.99or Best Offer+$4.71 delivery
- WDW WILDLING Mermaid Tie Bikini Swim Suit Size 11-12YOpens in a new window or tabPre-Owned$49.95Buy It Now+$6.20 deliveryFree returns
- Seafolly Girl's Summer Vacay One-Piece Swimsuit Powder Blue Size 12 NWTOpens in a new window or tabBrand New$21.24Was: $24.9915% offBuy It Now+$6.50 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
- Nike swimsuit NEW UPICK 7 8 10 12 14 girls' one-piece cross-back lots of stylesOpens in a new window or tabNew (Other)$17.99Buy It Now+$4.95 delivery in 2-4 days
- Abercrombie Kids Girls White Swim Cover Up Size 11/12 Gently UsedOpens in a new window or tabPre-Owned$7.990 bids · Time left5h 51m+$6.00 delivery
- SPEEDO One Piece Swimsuit Girls Youth 12 Medium Orange Blue PinkOpens in a new window or tabPre-Owned$13.99Buy It Now+$5.99 delivery in 2-4 days
From our popular brands
Based on number of views and purchases | Sponsored- 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
- Athleta Girl Swim Tankini Top & Reversible Bottom Surf Dream Size L 12Opens in a new window or tabPre-Owned$24.99Buy It Now+$7.99 delivery in 2-4 days
- Speedo Girls Size 12 Swimsuit (see Description)Opens in a new window or tabNew (Other)$9.990 bids · Time left1d 6h$12.99Buy It NowFree 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
- Justice Girls 2-Piece Vibrant Striped Bikini Set, Size 12Opens in a new window or tabNew (Other)$15.00or Best Offer+$4.84 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
- EUC Tea Collection girls size 12 rash guard swimsuit one piece purple floralOpens in a new window or tabPre-Owned$12.99Buy It Now+$5.50 delivery13 watchers
- BNWT Burberry London Little Girl's & Girl's Crosby 2-Piece Swimsuit MSRP $230!Opens in a new window or tabBrand New$69.99Buy It NowFree delivery7+ watchers
- 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
- Speedo Girls Swimsuit (2) BUNDLE SIZE 12Opens in a new window or tabBrand New$15.99or Best Offer+$6.55 delivery
- justice bathing suit One Piece Size 18 1/2 Black Pink White Aztec Print SwimOpens in a new window or tabBrand New$15.00Buy It Now+$4.57 delivery
- 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
- 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 11 piece Lot Swimsuits Bathing suits Cover Up Summer Size Large 10/12Opens in a new window or tabPre-Owned$24.00or Best Offer+$10.00 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
- 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
- Nike Girls Open Back Swimsuit Black Green One Piece Size 28/12Opens in a new window or tabPre-Owned$16.99Buy It NowFree delivery
- Nwt MOLO 152 10 12 Y Floral Flower Ruffle One Piece Swimsuit Minnow SwimOpens in a new window or tabBrand New$49.00Buy It Now+$5.70 delivery in 2-3 days
- New Speedo Girls' Two-Piece Tankini Swimsuit UPF 50 Anthracite Size 12 NWTOpens in a new window or tabBrand New$15.00Buy It Now+$4.84 delivery
- Lot of 2 Lands' End Tankini Tops Beach Swim Suits Pool Girl Size 12Opens in a new window or tabPre-Owned$7.99Buy It Now+$7.25 delivery
- Kids Girls Skirts Beach Swimsuit Bathing Dress One Piece Costume Rash GuardOpens in a new window or tabNew (Other)$10.46 to $23.78Was: $20.745% offBuy It NowFree deliverySave up to 11% when you buy more
- Red White Cat & Jack Two Piece Gingham Girl's Swimsuit Size L 10/12Opens in a new window or tabPre-Owned$10.99Buy It Now+$4.41 delivery
- NWOT Hanna Andersson Size 150 - 12 Pink Tulips One Piece bathing Swim SuitOpens in a new window or tabNew (Other)$24.00Buy It Now+$6.30 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
- 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
- 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
- NWT girls size 10–12 two-piece bathing suit swimsuit bikiniOpens in a new window or tabBrand New$15.00or Best Offer+$4.51 delivery
- Dolfin Uglies Swimwear Girls 12 One Piece Swimsuit Colorful print SwimOpens in a new window or tabPre-Owned$17.99Buy It Now+$5.45 delivery
- Athleta Girl Black Camo Tie Dye Tankini Cannonball 2.0 Swim Short Size 12 LARGEOpens in a new window or tabPre-Owned$29.99Buy It NowFree delivery
- 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
- NWT LILLY PULITZER SIZE 12 GIRLS SHARLENE RASHGUARD SET *LET'S GO BANANAS*🌴Opens in a new window or tabBrand New$55.00Buy It Now+$6.00 delivery
- O’Neill girls one piece swimsuit 12Opens in a new window or tabNew (Other)$30.00or Best OfferFree 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
- NWT GIRLS 12 BLACK & WHITE SUMMER THEME HALTER BIKINIOpens in a new window or tabBrand New$4.000 bids · Time left6d 14h+$6.65 delivery
- Justice Girls Tankini Swimsuit 2 Piece Set Pink Tie Dye Logo Size 12/14Opens in a new window or tabBrand New$21.99Buy It NowFree deliveryFree returns2 watchersTop Rated Plus
- NWT HANNA ANDERSSON SUNBLOCK 1PC SWIMSUIT MERRY MERMAIDS PINK PRINT 150 12Opens in a new window or tabBrand New$24.99Buy It Now+$4.50 delivery
- 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
- 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 days21 sold
- Under Armour Girls' Two-Piece Bikini Set Ribbed Starlight Size 12Opens in a new window or tabBrand New$40.00Buy It NowFree delivery in 2-3 daysFree returnsTop Rated Plus
- 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
- 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
- Girls St Tropez 2 Pc Fully Lined Multicolor Bikini Swimsuit Swimwear Sz 12Opens in a new window or tabBrand New$11.99Buy It Now+$4.99 deliveryFree returnsTop Rated Plus
- SPEEDO Lycra Two Piece Swimsuit Girls 12 Pink Black Bikini NOS NEWOpens in a new window or tabNew (Other)$19.99Buy It Now+$5.99 delivery in 2-4 days
- 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
- Vineyard Vines Tankini Girls Large 10/12Opens in a new window or tabPre-Owned$16.25or Best Offer+$6.84 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
- Breaking Waves Swimwear Swimsuit Girl Size 12 Two-piece Colorful NWTOpens in a new window or tabBrand New$19.99Buy It NowFree delivery
- NWT Seafolly Girls Saint Lucia Surf Set 2pc Green Floral Sz 12 AUOpens in a new window or tabBrand New$49.99or Best Offer+$5.50 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
- Girls Bathing Suit Surfing Tankini Set Kids Swimsuits Bottoms Briefs RacerbackOpens in a new window or tabNew (Other)$8.64 to $19.66Was: $18.795% offBuy It NowFree deliverySave up to 13% when you buy more
- 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
- NWT Oshkosh Butterfly Rash Guard Set Swimsuit 2pc Girls UPF 50+ many sizesOpens in a new window or tabBrand New$25.25Buy It NowFree delivery
- Girls Bikini Top Size 12 - Girls Bathing suit Reversible Swim Top Maaji SwimOpens in a new window or tabPre-Owned$20.00Buy It Now+$4.84 delivery
- Milly Minis Floral Gold Beaded Bikini Girls Swimwear Size 12Opens in a new window or tabPre-Owned$24.97Buy It Now+$5.00 deliveryFree returns
- Items Per Page