1,800+ results
- Girls Swimsuit Lot Size 4/S 6 PiecesOpens in a new window or tabPre-Owned$19.50or Best Offer+$9.31 delivery
- Girls 4t Swimsuit One Piece Vintage Inspired Pin Up Red Stripe Rouched Retro BowOpens in a new window or tabPre-Owned$16.99or Best Offer+$5.50 delivery in 2-4 days
- Girls Sz 4 SpongeBob One Piece Swimsuit Flutter Sleeve 4TOpens in a new window or tabPre-Owned$13.00or Best Offer+$4.51 delivery
- Coolibar Girls Moonlit Tropics Blake Rashguard And Gemma Swim Bottoms Size 4/5Opens in a new window or tabBrand New$30.00or Best Offer+$6.55 delivery
- Hanna Andersson Girls Apple Gingham Swimsuit SetOpens in a new window or tabPre-Owned$14.99or Best Offer+$4.71 delivery
- LANDS' END new Navy Blue Swimsuit Boy Shorts Bottoms~Girl's Size 4~Lined~Opens in a new window or tabNew (Other)$9.95or Best Offer+$4.00 deliveryFree returnsTop Rated Plus
- Minnow Blue & White Floral Rash Guard Swim Shirt 3T / 4T EUC Beach PoolOpens in a new window or tabPre-Owned$15.00or Best Offer+$5.75 delivery11 watchers
- Hanna Andersson Sunblock Tankini Set Striped Red White & Blue Size 4TOpens in a new window or tabPre-Owned$18.99or Best Offer+$5.62 delivery
Picked For You
Top selling items from trusted sellers | Sponsored- LANDS' END Girl's Aqua Tropical One-Piece Swimsuit UPF 50 Size 4Opens in a new window or tab$16.00luxhub1 (1,876) 98.9%
- Kanu Surf Girls' 4T Melanie Beach Sport UPF 50+ Tankini Set Purple SwimsuitOpens in a new window or tab$15.99sleepy_treasures (1,208) 98.3%
- Disney Minnie Mouse Red White Polka Dot One Piece Toddlers Swimsuit 4TOpens in a new window or tab$17.60toe*super*store (2,786) 99.8%
- New Kids Girls 4 ROXY Mochi Brown Long Sleeve Rashguard $28Opens in a new window or tab$16.99cryp (57,371) 99.2%
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- Penelope Mack Striped Swimsuit Bathing 1 Pc Baby Girls UPF 50 Size 4TOpens in a new window or tab$10.40toe*super*store (2,786) 99.8%
- Vintage Disney Beauty & The Beast Girls Youth Clothes SZ 4 Swim Cover Towel Y2KOpens in a new window or tabPre-Owned$14.99or Best Offer+$6.80 delivery16 watchers
- Polo Ralph Lauren Girls 4 Navy Nautical Stretch Two Piece Swimsuit Bikini RuffleOpens in a new window or tabBrand New$39.99or Best Offer+$6.40 delivery
- Lilly Pulitzer Girls Size 4 Rashguard Top and Matching Bottoms SwimwearOpens in a new window or tabPre-Owned$36.00or Best Offer+$4.84 deliveryExtra 20% off with coupon
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- Lilly Pulitzer Girls Devonta Bikini Set Sz 4 Journey To The Jungle SwimsuitOpens in a new window or tabBrand New$40.40Was: $44.8910% offor Best Offer+$5.99 deliveryFree returnsTop Rated Plus
- 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 delivery11 watchers
- MINI BODEN Hooded Terry Toweling Swim Cover Up Dress Girls Size 11-12y UnicornsOpens in a new window or tabPre-Owned$26.77or Best OfferFree delivery10 watchers
- The Beaufort Bonnet Company Waves Swimsuit Size 4TOpens in a new window or tabPre-Owned$35.00or Best Offer+$6.55 delivery
- Summersalt The Girls Tie Oasis One Piece Swimsuit Floral Splash Size 4Opens in a new window or tabPre-Owned$28.00or Best Offer+$6.55 delivery
- Janie & Jack Floral One Piece Swimsuit Girls Size 4 Puff Sleeve NWOTOpens in a new window or tabPre-Owned$12.00or Best Offer+$4.84 delivery
From our popular brands
Based on number of views and purchases | Sponsored- DisneyDisney Store Ariel 2 Piece Swim Suit Kids Size 4 Nwt PrincessOpens in a new window or tabBrand New$13.59+$4.84 delivery
- DisneyDisney Collection Girls The Little Mermaid Ariel Mermaid Tail Coverup Skirt 4Opens in a new window or tabPre-Owned$20.00+$7.25 delivery
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- SpeedoNew - Girls size 4 Speedo 1-Piece Multi Color Tie Dye Rainbow Swim Suit Swim KidOpens in a new window or tabNew (Other)$16.99+$4.99 delivery
- ROXYNew Kids Girls 4 ROXY Mochi Brown Long Sleeve Rashguard $28Opens in a new window or tabBrand New$16.99Free delivery
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- The Beaufort Bonnet Company Little Girl One Piece Swimsuit Blue & Pink Size 4Opens in a new window or tabPre-Owned$22.00Time left4d 3hor Best Offer+$4.99 delivery
- Lilly Pulitzer Youth Mini Kasme Bikini Swim Pink Let's Go Bananas 2PC Set 4 NEWOpens in a new window or tabBrand New$84.77or Best Offer+$7.25 delivery
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- 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
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- Lilly Pulitzer Girls 4 Journey to the Jungle Floral Bikini Bottom UPF 50 PinkOpens in a new window or tabBrand New$24.99or Best Offer+$5.75 delivery
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- 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
- Girls Bikini Two Piece Swimsuit Pink Floral Swim Suit Size Varies Sizes 4- 6XOpens in a new window or tabBrand New$5.00or Best Offer+$6.55 delivery
- RUFFLE BUTTS Seersucker Rashguard SwimSuit Striped Blue 4T GirlsOpens in a new window or tabNew (Other)$24.00or Best Offer+$4.84 delivery
- Girls Size 4 Farm Themed Swim Suit 2 Piece Bikini RufflesOpens in a new window or tabNew (Other)$18.04or Best Offer+$9.79 deliveryFree returnsTop Rated Plus
- NWOT!! Girl’s BARBIE Pink and White One Piece Swimsuit, Ribbed, Size 4TOpens in a new window or tabNew (Other)$20.00or Best Offer+$5.14 delivery in 2-4 days
- Disney Collection Girls The Little Mermaid Ariel Mermaid Tail Coverup Skirt 4Opens in a new window or tabPre-Owned$20.00or Best Offer+$7.25 delivery
- Brand New Swimwear For Girls Size 4Opens in a new window or tabNew (Other)$7.99or Best Offer+$4.52 delivery
- Real Love Coral 2-Piece Girls Size 4T Swimsuit W/Metallic Gold Pineapple DesignOpens in a new window or tabBrand New$13.00or Best OfferFree delivery
- NWT Billabong Little Girl's 2 Pc Bikini Swimsuit Catch A Wave Size 4 Mint ChipOpens in a new window or tabBrand New$19.99or Best Offer+$4.84 delivery
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- ❤ Old Navy girls pink hooded terry swim cover up dress 4 4T zip upOpens in a new window or tabPre-Owned$15.00or Best Offer+$5.55 delivery in 2-4 daysFree returnsTop Rated Plus
- NEW Disney's Princess "Ariel" Girls 1-Piece Swimsuit Size 5/6Opens in a new window or tabBrand New$12.99or Best Offer+$6.99 delivery
- Toddler Girls Cheeky Plum 2 Piece Swim Suit Tie Dye Fringe Size 4TOpens in a new window or tabPre-Owned$19.95or Best OfferFree delivery
- Hanna Andersson Swimwear One piece Size 100 Cm / Size 4Opens in a new window or tabPre-Owned$20.00or Best OfferFree delivery
- Disney Store Rapunzel 1 Piece Swim Suit Kids Size 4 Nwt PrincessOpens in a new window or tabBrand New$11.99Was: $14.9920% offor Best Offer+$4.84 deliverySave up to 20% when you buy more
- Girls 2 Pc Swimsuit Small Size 4/5 Cat & Jack Art Class Lot Of 3Opens in a new window or tabPre-Owned$12.00or Best Offer+$7.10 delivery
- Paul Frank White with Monkey One Piece Bathing Suit Swimsuit Size 4 NWTOpens in a new window or tabBrand New$24.99or Best Offer+$6.55 delivery
- Cabana Life Little Girls Road Map Swim Unisuit 4 / 4T Exclusive Blue Long SleeveOpens in a new window or tabBrand New$14.44Was: $16.9915% offor Best Offer+$6.20 deliveryExtra 5% off with coupon
- Jessica Simpson Girls Swimsuit NWT Size 4Opens in a new window or tabBrand New$14.02Was: $16.5015% offor Best Offer+$6.55 delivery
- Mini Boden Girls Mermaid Swimsuit Polka Dots Sz 3/4Opens in a new window or tabPre-Owned$10.00or Best Offer+$6.40 delivery
- Girl's MATILDA JANE Size 4 Floral Print SwimsuitOpens in a new window or tabPre-Owned$12.99Time left5h 23mor Best Offer+$6.00 delivery
- Stella Cove Pink/Purple One Shoulder 2 Piece Girls Size 4 Swimsuit GUCOpens in a new window or tabPre-Owned$19.99or Best Offer+$5.75 delivery
- Girls Matilda Jane Dream Chasers On An Island Swimsuit Size 4 NWTOpens in a new window or tabBrand New$35.00or Best Offer+$6.55 delivery
- Betsey Johnson Girl's Swim Top Long Sleeve Rash Guard Butterfly Colorful KidsOpens in a new window or tabPre-Owned$9.69or Best Offer+$6.99 deliveryFree returnsTop Rated Plus
- Boutique RUFFLE BUTTS Striped rainbow Beach swimsuit Cover Up Girls Size 4 4TOpens in a new window or tabPre-Owned$16.99or Best Offer+$4.99 delivery
- Vintage Y2K Lands End Girl Sz 4 Swim Bathing Suit Cover Up Lot Tankini FlowerOpens in a new window or tabBrand New$44.99or Best Offer+$7.75 delivery
- Matilda Jane Enchanted Garden Watermelon Swimsuit 2 Piece Swim Set Size 4Opens in a new window or tabPre-Owned$29.16or Best Offer+$5.25 deliveryFree returnsTop Rated Plus
- Old Navy Toddler Girl's Size 4T Black White Pom Pom Ruffle One Piece SwimsuitOpens in a new window or tabPre-Owned$15.00or Best Offer+$4.84 delivery
- Wonder Nation Girls Unicorn Tie Dye One-Piece Swimsuit 4 SwimsuitsOpens in a new window or tabBrand New$30.00or Best OfferFree delivery4 watchers
- brand new coverall swimwear for girls-size 4Opens in a new window or tabNew (Other)$9.99or Best Offer+$4.52 delivery
- nununu Tricolor Black Yellow Silver Long Sleeved Rashguard Swimsuit Size 4-5YOpens in a new window or tabPre-Owned$28.00or Best Offer+$4.08 delivery
- Land’s End Kid’s tropical print one piece bathing suit, size 4TOpens in a new window or tabPre-Owned$10.99or Best Offer+$4.33 delivery
- Disney Moana Bathing Suit top & Skirt Size 4Opens in a new window or tabPre-Owned$9.29Was: $18.5850% offor Best Offer+$6.55 deliveryExtra 20% off with coupon
- Carter’s Floral “C” Monogram One Piece Swimsuit, Size 4TOpens in a new window or tabPre-Owned$12.00or Best Offer+$4.51 delivery
- Hanna Andersson Tankini Swim Top Girls Size 4 Ivory Floral Ruffle Swim WearOpens in a new window or tabPre-Owned$7.34Was: $10.4930% offor Best Offer+$5.85 deliveryFree returnsTop Rated Plus
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