4,700+ results
- Disney Moana Girls Swim Set - 2 Piece - Size 4Opens in a new window or tabBrand New$14.99Buy It Now+$4.99 delivery
- Mini Boden striped two piece bikini swimsuitOpens in a new window or tabPre-Owned$25.00or Best Offer+$4.51 delivery
- NEW Hanna Andersson Girl's Size 4 (100 cm) Purple Swimsuit Butterfly RainbowOpens in a new window or tabBrand New$25.00Buy It Now+$5.95 delivery
- Kanu Surf Girls' 4T Melanie Beach Sport UPF 50+ Tankini Set Purple SwimsuitOpens in a new window or tabNew (Other)$19.99or Best OfferFree delivery
- Polo Ralph Lauren Toddler & Little Girls Hooded Terry Cover-up Swimsuit -Size 4Opens in a new window or tabBrand New$22.99Buy It Now+$4.52 delivery
- Arizona Jean Co. Girl's Tie Dyed Bikini Bottom Swimsuit Size 4Opens in a new window or tabNew (Other)$15.00or Best Offer+$4.00 deliveryFree returnsTop Rated Plus
- NWT MINI BODEN 3-4yr Bathing Suit Top Bikini Lion Jungle Tropical SwimmingOpens in a new window or tabBrand New$12.99or Best Offer+$4.57 delivery
Picked For You
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- Harper Canyon Girls 1pc Floral Swimsuit Sz 4 Nordstrom White Playful SpringsOpens in a new window or tab$20.00cupcake*smasher (3,658) 97.9%
- Arizona Jean Co. Girl's Halter Tankini Top Swimsuit UPF50 Size 4Opens in a new window or tabBrand New$20.00or Best Offer+$4.00 deliveryFree returnsTop Rated Plus
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- BILLABONG SIZE 4 BABY/CHILD SWIMSUITOpens in a new window or tabBrand New$9.99Buy It Now+$4.84 delivery
- BILLABONG SIZE 4 BABY/CHILD ORANGE-PINK SWIMSUITOpens in a new window or tabBrand New$8.99Buy It Now+$4.84 delivery
- D30-Lilly Pulitzer Girls Swim Top Size 4 Pink Blue Floral LongsleeveOpens in a new window or tabPre-Owned$20.00or Best Offer+$7.00 delivery
- Billabong GIRLS Swimsuit Long Sleeve “Windsong” Size 4Opens in a new window or tabPre-Owned$11.00or Best Offer+$6.20 delivery
- VTG OshKosh Girls Baby One Piece Swimsuit Size 4 Made in USA ButterfliesOpens in a new window or tabPre-Owned$75.00or Best Offer+$6.99 delivery
- RAISINS GIRLS STRIPPED SIZE 4 BABY/CHILD SWIMSUITOpens in a new window or tabBrand New$7.99Buy It Now+$4.51 delivery
- Flotimini little girls metallic foil floral swimwear (size 4) New With Tags!!Opens in a new window or tabBrand New$24.99or Best Offer+$6.40 delivery
- Girls Size 4 Unicorn 2pc SwimsuitOpens in a new window or tabPre-Owned$8.50Buy It Now+$5.25 delivery
- ❤️Nike One Piece U-Back Swimsuit Nike Logo Garden Party Girls Size 4, 5, 6 NWTOpens in a new window or tabBrand New$22.78Buy It Now+$5.99 delivery
From our popular brands
Based on number of views and purchases | Sponsored- DisneyDisney Moana Girls Swim Set - 2 Piece - Size 4Opens in a new window or tabBrand New$14.99+$4.99 delivery
- BillabongBillabong GIRLS Swimsuit Long Sleeve “Windsong” Size 4Opens in a new window or tabPre-Owned$11.00+$6.20 delivery
- BillabongNWT Billabong Girls' Big Sunny Song One Piece Swimsuit Multi Size 4Opens in a new window or tabBrand New$15.99+$8.71 delivery
- DisneyBrand New with Tags Disney Girls Swimsuits Size 3 and 4, Size 7/8 NWOTOpens in a new window or tabBrand New$34.95+$6.25 delivery
- GymboreeGymboree sz 4 Fish Rash Guard Swimsuit Bag Set NWTOpens in a new window or tabBrand New$42.00+$8.98 delivery
- GymboreeGymboree Outlet Pink Floral Girls One Piece Swimsuit Size 4 bin 2BOpens in a new window or tabPre-Owned$11.99+$5.80 delivery
- ROXYROXY RASHGUARD UV SHIRT ( GIRLS SIZE 4 ) PREOWNEDOpens in a new window or tabPre-Owned$8.99+$4.99 deliveryExtra 7% off with coupon
- HurleyHurley Girls Tankini 2 Piece Swim Set Size 4 BlackOpens in a new window or tabBrand New$12.33Free delivery
- Marimekko x Target Girls Rash Guard Swim Shirt 4T Colorful FloralOpens in a new window or tabPre-Owned$12.00or Best Offer+$5.50 deliveryFree returnsTop Rated Plus
- Minnow Blue And White Plaid Bikini Swimsuit In Girls Size 3/4T GUC Spot On TopOpens in a new window or tabPre-Owned$29.99or Best Offer+$5.75 delivery
- NWT HANNA ANDERSSON RAINBOW STRAP STRIPE ASYMMETRICAL SWIMSUIT TANKINI 100 4 $54Opens in a new window or tabNew (Other)$31.99Buy It Now+$6.20 delivery
- Hanna Andersson Ice Cream Swimsuit EUC Size 100 4Opens in a new window or tabPre-Owned$29.12or Best Offer+$5.25 deliveryFree returnsTop Rated Plus
- Hurley Youth Girl's UPF 50+ H2O Dri Fit Long Sleeve Rash Guard Swim TopOpens in a new window or tabBrand New$12.99List price: $26.0050% offBuy It NowFree deliveryFree returnsSave up to 30% when you buy moreTop Rated Plus
- Hanna Andersson Girls Rashguard Shirt & Skirt Swim Suit Set Floral 100 Size 4Opens in a new window or tabPre-Owned$13.99Buy It Now+$7.50 delivery
- Girls Size 4 Swimsuit Long Sleeves Rashguard RufflesOpens in a new window or tabNew (Other)$19.99or Best Offer+$9.79 deliveryFree returnsTop Rated Plus
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- NWT Billabong Girls' Big Sunny Song One Piece Swimsuit Multi Size 4Opens in a new window or tabBrand New$15.99Was: $19.9920% offor Best Offer+$8.71 deliveryFree returns
- Kids The Little Tails Children Swimsuit Bathing Suit Halloween Costume Girll CanOpens in a new window or tabNew (Other)$19.65 to $64.67Was: $21.8310% offBuy It NowFree deliveryfrom China
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- Baby Girls Western Horse Ruffle Two Pieces SwimsuitsOpens in a new window or tabNew (Other)$18.99Buy It NowFree delivery4+ watchers
- Tommy Hilfiger 2 Piece Rash Guard Navy Blazer Swimsuit Girls 4Opens in a new window or tabBrand New$24.95or Best Offer+$4.95 delivery
- Lilly Pulitzer NWT Girls UPF 50+ Zita Swimsuit Shroom With A View $72 Size 4,6,7Opens in a new window or tabBrand New$68.00Buy It NowFree delivery
- Vineyard Vines SIZE 4T Aqua Pink Houses Girl's SwimwearOpens in a new window or tabPre-Owned$16.00Buy It Now+$7.97 deliveryFree returns
- NWT Gymboree Girls Mermaid Rash Guard Set Swimsuit Toddler and Kid GirlOpens in a new window or tabBrand New$17.99Was: $19.9910% offBuy It Now+$4.99 delivery3+ watchers
- Hanna Andersson Size 4 Size 5 Girls Aqua Green Blue Tropical swimsuit tankiniOpens in a new window or tabPre-Owned$24.99or Best Offer+$4.99 delivery
- Lilly Pulitzer Girls Devonta Bikini Set Sz 4 Journey To The Jungle SwimsuitOpens in a new window or tabBrand New$40.42Was: $44.9110% offBuy It Now+$5.99 deliveryFree returnsTop Rated Plus
- Hanna Andersson Girls Rainbow Rashguard Swim Suit Top & Swim Bottom Set 100 4Opens in a new window or tabPre-Owned$13.99Buy It Now+$7.50 delivery
- Hurley Girl's 2 Piece Criss Cross Elastic Shoulder Straps UPF50+ Tankini SetOpens in a new window or tabBrand New$12.99List price: $42.0069% offBuy It NowFree deliveryFree returnsSave up to 30% when you buy moreTop Rated Plus
- Eddie Bauer Little Girls 2 Piece Swim Set One Piece Swimsuit & Cover Up - PURPLEOpens in a new window or tabBrand New$14.99Buy It NowFree deliverySave up to 9% when you buy more
- Mini Boden Fun Applique Swimsuit size 4-5Opens in a new window or tabPre-Owned$20.00Buy It Now+$5.85 delivery
- Mini Boden swimsuit 3-4 years 3T 4T girls one piece ice cream popsicles printOpens in a new window or tabPre-Owned$20.55Was: $22.8310% offor Best Offer+$6.55 delivery19 watchers
- Stella McCartney Kids Girl's Pink Star Fringe One Piece Swimsuit Size 4YOpens in a new window or tabBrand New$59.00or Best Offer+$4.51 delivery13 watchers
- Betsey Johnson Girl's Swim Top Long Sleeve Rash Guard Butterfly Colorful KidsOpens in a new window or tabPre-Owned$13.16or Best Offer+$6.99 deliveryFree returnsTop Rated Plus
- Janie and Jack Green Pink Ruffle Swimsuit Girls 4 Asymmetrical Floral TropicalOpens in a new window or tabPre-Owned$22.95or Best Offer+$4.52 delivery
- Gottex Kids Unicorn Round Neck One Piece SwimsuitOpens in a new window or tabBrand New$31.00Buy It Now+$6.95 delivery
- JESSICA SIMPSON Ruffled Seersucker Coral White 2 pc Swim Suit NEW Girls Sz 4Opens in a new window or tabBrand New$28.97Was: $34.9017% offBuy It Now+$5.50 delivery
- Gottex Kids Tropical Long Sleeve Zip Up Rash Guard One Piece SwimsuitOpens in a new window or tabBrand New$31.00Buy It Now+$6.95 delivery
- New Disney Store Jasmine Swimsuit Deluxe 3 pc Aladdin Princess U pickOpens in a new window or tabBrand New$29.92Was: $33.2510% offBuy It Now+$4.45 delivery
- Gottex Kids Cherries Round Neck One Piece SwimsuitOpens in a new window or tabBrand New$31.00Buy It Now+$6.95 delivery
- Vintage Little Girl's Rainbow Brite SwimsuitOpens in a new window or tabPre-Owned$19.990 bids · Time left3d+$6.35 delivery
- Gottex Kids Cherries Bikini Top with Matching Bikini BottomOpens in a new window or tabBrand New$31.00Buy It Now+$6.95 delivery
- New L.L. Bean Crop Top Bikini Girls Sz 4 Yellow Kids Reversible UPF 50+Opens in a new window or tabBrand New$31.37Was: $34.8510% offBuy It NowFree deliveryFree returnsTop Rated Plus
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- Girls Swimwear Vacation Swimsuit Diving Bathing Suit Hot Spring 2Pcs PoolsOpens in a new window or tabNew (Other)$16.39 to $23.49Buy It NowFree deliveryfrom China
- Disney Store Girls 4 Swimsuit the Little Mermaid Ariel Floral Ruffle Scallop EUCOpens in a new window or tabPre-Owned$26.00or Best OfferFree delivery
- Speedo Girl's Pro LT Wave Wall Crossback One Piece Swimsuit Size 4/20 Blue NWTOpens in a new window or tabBrand New$19.00or Best Offer+$6.30 delivery
- Matilda Jane Terry Cloth Dress 4 Swim Cover Up Treasure Trove Beach Cruise PoolOpens in a new window or tabPre-Owned$24.99or Best Offer+$7.35 delivery
- Kortni Jeane Skirted One Piece Bathing Suit Blue Fog Kids 4/5Opens in a new window or tabBrand New$16.00or Best Offer+$6.00 delivery
- US One-piece Kids Girls Palm Printed Long Sleeve Swimsuit Bathing Suit SwimwearOpens in a new window or tabBrand New$5.74 to $9.93Was: $6.045% offBuy It Now+$1.99 deliverySave up to 9% when you buy more
- NWT Gymboree Swim Shop Floral Rash Guard 5/6 7/8 10/12 SwimsuitOpens in a new window or tabBrand New$24.98Was: $27.7510% offBuy It Now+$3.99 delivery
- Tea Collection Girl's Long Sleeve Coral Tiger Print Swim Rash Guard Top Sz 4Opens in a new window or tabNew (Other)$21.59Was: $23.9910% offBuy It Now+$6.95 delivery
- NWT Disney Store Ariel Swimsuit Little Mermaid Girls 4,5/6,7/8,9/10Opens in a new window or tabBrand New$29.92Was: $33.2510% offBuy It Now+$4.99 delivery5+ watchers
- Girls Matilda Jane One Piece Swimsuit Size 4Opens in a new window or tabPre-Owned$14.990 bids · Time left3d 23h+$5.85 delivery
- Polo Ralph Lauren Girls' Summer Long Sleeve Rashguard swim shirtOpens in a new window or tabBrand New$12.50Buy It Now+$6.20 deliverySave up to 10% when you buy more
- Hello Kitty Triangle Bikini Set Kids Sizes 4 5/6 6X Girls 2 PCs 6483Opens in a new window or tabBrand New$12.99Buy It Now+$4.50 delivery
- Matilda Jane Day in the Sun Lemon Swimsuit size 4 one piece ruffleOpens in a new window or tabPre-Owned$10.00Buy It Now+$6.40 delivery
- Mini Boden Plaid Swimsuit Bikini EUC Size 3/4Opens in a new window or tabPre-Owned$27.07or Best Offer+$5.25 deliveryFree returnsTop Rated Plus
- Hanna Andersson Long Sleeve Rashguard Swim Girls Size 100 4Opens in a new window or tabPre-Owned$24.09or Best Offer+$5.75 deliveryFree returnsTop Rated Plus
- Mini Boden terry cloth swim cover size 4-5 yearsOpens in a new window or tabPre-Owned$25.00or Best Offer+$7.25 delivery
- Vineyard Vines Red Blue Patriotic Rash Guard Tankini Bikini Bathing Swim Suit 4TOpens in a new window or tabPre-Owned$25.00or Best Offer+$9.84 delivery
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