1,800+ results
- Tommy Bahama Toddler Girl 4T Turquoise/Blue/Pink UPF 50 Rashguard Swim SetOpens in a new window or tabPre-Owned$29.00or Best Offer+$14.25 delivery
- RUFFLE BUTTS Seersucker Rashguard SwimSuit Blue 4T Girls With Pink HeadbandOpens in a new window or tabPre-Owned$19.93or Best Offer+$4.62 delivery
- NEW Stella Cove Rainbow Coverup Size 4Opens in a new window or tabBrand New$19.99or Best Offer+$5.00 delivery
- Lilly Pulitzer Natalie Blue Swimsuit Cover Girls Toddler Size 4Opens in a new window or tabPre-Owned$22.49Was: $24.9910% offor Best Offer+$9.45 delivery
- NEW Janie and Jack Recycled Floral 2-Piece Swimsuit Mint Floral Size 4Opens in a new window or tabBrand New$27.99or Best Offer+$6.55 delivery
- MAAJI Swimwear Reversible One-Piece Girl's Swimsuit - Long Sleeve- Size 4 (4T/5TOpens in a new window or tabPre-Owned$20.00or Best Offer+$8.33 delivery
- Hanna Andersson Rash guard Swimsuit Set Size 4 Girls Blue 100cmOpens in a new window or tabPre-Owned$8.99Time left2d 19hor Best Offer+$4.25 delivery
- NWT Cynthia Rowley Girls Striped Sequin Ice cream Cone One-Piece Swimsuit Sz 4Opens in a new window or tabBrand New$10.79Was: $11.9910% offor Best Offer+$4.84 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$13.60luxhub1 (1,891) 99%
- Kanu Surf Girls' 4T Melanie Beach Sport UPF 50+ Tankini Set Purple SwimsuitOpens in a new window or tab$15.99sleepy_treasures (1,218) 98.2%
- Polo Ralph Lauren Girls Bottom Swimwear, Yellow, Size 4Opens in a new window or tab$22.992015market (100,615) 99.1%
- Matilda Jane Lake Day Swimsuit Size 4 New In Bag Brilliant Daydream New GirlsOpens in a new window or tab$48.95sun3804 (2,833) 100%4 watchers
- Disney Minnie Mouse Red White Polka Dot One Piece Toddlers Swimsuit 4TOpens in a new window or tab$17.60toe*super*store (3,045) 99.8%
- Wonder Nation Girls Lot 3 Multicolor 1 Pc Swimsuit 2 Swim Tops Size 4/4T NEWOpens in a new window or tab$24.99reflectionsoftrinity (33,213) 99.5%Benefits charity
- Disney Store Ariel 2 Piece Swim Suit Kids Size 4 Nwt PrincessOpens in a new window or tabBrand New$10.19Was: $16.9940% offor Best Offer+$4.84 delivery
- The Beaufort Bonnet Company Wave Spotter Swim Suit Naples Grand GardenOpens in a new window or tabPre-Owned$45.00or Best Offer+$8.00 delivery
- Boutique RUFFLE BUTTS Striped rainbow Beach swimsuit Cover Up Girls Size 4 4TOpens in a new window or tabPre-Owned$15.29Was: $16.9910% offor Best Offer+$4.99 delivery
- Dora The Explorer 2004 Vintage Terrycloth Robe Beach Wrap Cover Up SZ 4/6Opens in a new window or tabPre-Owned$31.98or Best Offer+$6.00 deliveryFree returnsTop Rated Plus
- SweetHoney Moxie One Piece Blue Floral Swim Suit EUC Ruffle Bow Swimsuit Size 4TOpens in a new window or tabPre-Owned$30.10or Best Offer+$5.25 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 delivery
- 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
- Bathing Suit Lot Of 3 - 2 NWT Wonder Nation - Used Cat & Jack Size 4/5Opens in a new window or tabPre-Owned$10.00or Best Offer+$12.71 delivery
- Mini Boden/Hanna Andersson Girls 4T Swim Bundle Rainbow & StripesOpens in a new window or tabPre-Owned$36.00or Best Offer+$4.84 delivery
- Brand New Swimwear For Girls Size 4Opens in a new window or tabNew (Other)$8.99or Best Offer+$4.52 delivery
- Polo Ralph Lauren Girls Yellow Bikini Two Piece Swimsuit Logo Size 4 NWTOpens in a new window or tabBrand New$27.95or Best Offer+$4.84 delivery
- Polo Ralph Lauren Girl’sTie-Dye-Print One-Piece Swimsuit, Size 4/4TOpens in a new window or tabBrand New$54.99or Best Offer+$9.39 delivery
From our popular brands
Based on number of views and purchases | Sponsored- DisneyDisney Collection Girls The Little Mermaid Ariel Mermaid Tail Coverup Skirt 4Opens in a new window or tabPre-Owned$20.00+$7.25 delivery
- DisneyDisney Frozen Anna & Elsa Toddler Girl Bathing Suit Size 4T One-PieceOpens in a new window or tabPre-Owned$9.99+$6.55 delivery
- ArtArt Class yellow tropical floral swim suit one piece cap sleeve modest girls 4/5Opens in a new window or tabPre-Owned$18.00+$5.50 delivery
- ROXYRoxy Girl's Size 4 Funny Bambino One-Piece Swimsuit - NEWOpens in a new window or tabBrand New$35.00+$6.40 delivery
- BillabongNWT Billabong Big Dot Daze Off Shoulder Two Piece Swim Set Coco Bliss Size 4Opens in a new window or tabBrand New$13.99+$8.00 delivery
- ROXYRoxy Rash Guard Size 4 Little Girl Colors Of The Sun UPF 50 Crew Neck TOP ONLYOpens in a new window or tabBrand New$8.49+$4.50 delivery
- BillabongBillabong, Girl’s Multicolored Floral Long Sleeve Rashguard Set, Size 4Opens in a new window or tabBrand New$51.11+$6.55 delivery
- The Beaufort Bonnet Company Waves Swimsuit Size 4TOpens in a new window or tabPre-Owned$35.00or Best Offer+$6.55 delivery
- SweetHoney Miki Floral Swim Suit Rashguard Girls Tankini Swimsuit Size 4TOpens in a new window or tabPre-Owned$30.10or Best Offer+$5.25 deliveryFree returnsTop Rated Plus
- NWT Disney Store Minnie Mouse Pink Swimsuit Girls Tankini Bikini Set Size 4Opens in a new window or tabBrand New$5.39Was: $8.9940% offor Best Offer+$4.84 deliverySave up to 20% when you buy more
- Stella Gove Girl’ 2 Pc Set Bikini Floral Swimsuit Size 4 Years Pre-ownedOpens in a new window or tabPre-Owned$13.99Was: $19.9930% offor Best Offer+$5.25 delivery
- Disney princess dress/pool cover up. terry cloth top tulle bottom girls size 4Opens in a new window or tabPre-Owned$8.00or Best Offer+$4.84 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
- NWT GIRLS MINI RODINI CHERRY LEMONADE SWIMSUIT SZ 4/5Opens in a new window or tabBrand New$53.00or Best Offer+$4.51 delivery
- Tommy Bahama Girls 4T Swimsuit 2 PieceOpens in a new window or tabPre-Owned$12.00or Best Offer+$4.84 delivery
- Ellen Tracy Tropical 1-Pc Swim Bathing Suit Sz 4T + Pumpkin Beach Ball + BowOpens in a new window or tabPre-Owned$25.00or Best Offer+$6.84 delivery
- UV Skinz 3 Piece Swim Set Girls 4T UPF 50+ Shirt Skirt Reversible Bucket HatOpens in a new window or tabBrand New$9.89Was: $10.9910% offor Best Offer+$6.99 deliveryFree returns
- Janie And Jack Sz 4 Pink Heart BikiniOpens in a new window or tabPre-Owned$16.99or Best Offer+$6.55 delivery
- Krewe 2-Piece Swimsuit Size 4T pink blue seersucker "LEAH" monogram cottonOpens in a new window or tabPre-Owned$12.00or Best Offer+$4.00 delivery
- 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
- 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
- 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
- Brand New Swimwear For Girls Size 10Opens in a new window or tabNew (Other)$7.99or Best Offer+$4.52 delivery
- Bonnie & Clyde Girls Swimsuit SZ 4 One-Piece Pastels Pink Green Yellow Nylon NWDOpens in a new window or tabNew (Other)$3.49or Best Offer+$5.75 delivery
- Brand New Swimwear For Girls Size 4Opens in a new window or tabNew (Other)$7.99or Best Offer+$4.52 delivery
- Disney Frozen Anna & Elsa Toddler Girl Bathing Suit Size 4T One-PieceOpens in a new window or tabPre-Owned$9.99or Best Offer+$6.55 delivery
- Banana Split Ruffle Stripe and Polka Dot Monogram “C” Swimsuit, Size 4TOpens in a new window or tabPre-Owned$14.00or Best Offer+$4.84 delivery
- Girl’s BARBIE Pink and White One Piece Swimsuit, Ribbed, Size 4TOpens in a new window or tabPre-Owned$10.00or Best Offer+$4.52 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
- Gymboree Girls 4th Of July Swimsuit Stars & Stripes Size 4 NWTOpens in a new window or tabBrand New$11.95or Best Offer+$6.87 delivery
- OndadeMar Girl’ One Piece Striped Swimsuit Size 4 Years Pre-ownedOpens in a new window or tabPre-Owned$13.99Was: $19.9930% offor Best Offer+$5.25 delivery
- The Beaufort Bonnet Company Little Girl One Piece Swimsuit Blue & Pink Size 4Opens in a new window or tabPre-Owned$22.00Time left2d 15hor Best Offer+$4.99 delivery
- Disney Little Mermaid Ariel 3 Piece Swimsuit - Tail Skirt, top & bottoms all 4TOpens in a new window or tabPre-Owned$25.00or Best Offer+$10.00 delivery
- Lot of FOUR Girl’s 4T Swimsuits Bathing Suits 2-Long Sleeve & 2 SleevelessOpens in a new window or tabPre-Owned$31.99or Best Offer+$16.65 delivery
- Lilly Pulitzer girls size 4 Haley tankini 2 piece swim suit EUCOpens in a new window or tabPre-Owned$25.00or Best Offer+$8.00 deliveryfrom Canada
- Girls Solid Bikini Set - art class™ Purple Size XL (4) 3 PiecesOpens in a new window or tabBrand New$8.44Was: $12.9935% offor Best Offer+$4.71 deliveryFree returns
- Janie and Jack Girl's Rash Guard Size 4 Long Sleeve Ruffle Neckline Swim SunOpens in a new window or tabPre-Owned$13.28or Best Offer+$4.51 delivery
- ~NWT Girls WALLFLOWER Flower Bikini! Size 4 Super Cute FS:)~Opens in a new window or tabBrand New$11.29Was: $20.9046% offor Best OfferFree 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
- Hanna Andersson Girl Terry Cover Up Hooded Dress Size 1000 US 4Opens in a new window or tabPre-Owned$12.00Was: $15.0020% offor Best Offer+$5.95 delivery
- PSNY 1pc Tie Legs PINK & PURPLE Print Girls SwimSuit Sz 4 *NEW*Opens in a new window or tabNew (Other)$2.99Time left2d 4hor Best Offer+$5.80 deliveryFree returnsTop Rated Plus
- Disney Store Elsa and Anna Cover-Up for Girls - Size 4 - NewOpens in a new window or tabBrand New$28.99or Best Offer+$5.99 delivery
- Disney Store Minnie Mouse Clubhouse Swimsuit Girls Size 4 NwtOpens in a new window or tabBrand New$11.99Was: $19.9940% offor Best Offer+$4.84 deliverySave up to 15% when you buy more
- Stella Cove Swim Suit •Girl 4• Dipped One Piece Long sleeve Rash/Sun Guard NWTOpens in a new window or tabBrand New$36.99or Best Offer+$4.95 delivery
- Janie And Jack One Piece Rainbow Halter Bathing Suit Size 4Opens in a new window or tabPre-Owned$6.00or Best Offer+$4.52 delivery
- Disney Store Rapunzel 1 Piece Swim Suit Kids Size 4 Nwt PrincessOpens in a new window or tabBrand New$8.99Was: $14.9940% offor Best Offer+$4.84 deliverySave up to 20% when you buy more
- Jamie Kay Emma Bikini Amelie Floral Size 4 Year Flowers Swimsuit 2 Piece BrownOpens in a new window or tabNew (Other)$13.99or Best Offer+$6.20 deliveryFree returnsTop Rated Plus
- Girls Pink Unicorn Swimsuit one piece bathing suit Sz 4Opens in a new window or tabPre-Owned$7.50or Best Offer+$4.99 delivery
- HO Sports Wetsuit Toddler Size 4 Unisex Shorty Blue Summer Beach VacationOpens in a new window or tabBrand New$29.99or Best Offer+$8.99 delivery
- Seafolly Bohemian Jardin Ruffle Tankini, Multi, Girls 4Opens in a new window or tabBrand New$27.00or Best Offer+$5.99 delivery
- Disney Ariel Swim Coverup Size 4 Girl Terry Zip Hood Mermaid Purple FlounderOpens in a new window or tabBrand New$28.00or Best Offer+$6.99 delivery
- SWEET HONEY MAISIE ONE PIECE SUNSHINE FLORAL SWIM SUIT BATHING SUITOpens in a new window or tabPre-Owned$7.00Time left5d 7hor Best Offer+$6.00 delivery
- Girls Generation Me One Piece Bathing Suit with a bottom cover up Size 4/5Opens in a new window or tabPre-Owned$3.00Time left2d 23hor Best Offer+$4.84 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
- NEW Disney's Princess "Ariel" Girls 1-Piece Swimsuit Size 4Opens in a new window or tabBrand New$17.99or Best OfferFree delivery
- Aqua et Sol Girl's Size 4 Rashguard & Bikini Bottom 2 Pc Swimsuit SetOpens in a new window or tabBrand New$19.99or Best Offer+$5.75 delivery
- NWOT HANNA ANDERSSON SUNBLOCK STRAWBERRIES BEGONIA SWIMSUIT TANKINI 100 size 4TOpens in a new window or tabPre-Owned$12.00or Best Offer+$7.06 delivery
- Speedo Two Piece Swimsuit Girls size 4 XS Piece Purple polkadot bikini swimOpens in a new window or tabPre-Owned$5.99or Best Offer+$6.55 delivery
- Tommy Bahama Blue Striped 2pc SwimsuitOpens in a new window or tabNew (Other)$9.00or Best Offer+$6.55 delivery
- Girls Size 4 Farm Themed Swim Suit 2 Piece Bikini RufflesOpens in a new window or tabNew (Other)$17.14or Best Offer+$9.79 deliveryFree returnsTop Rated Plus
- Ragsland Plaid Ruffle Watermelon Applique Two Piece Swimsuit, Size 4TOpens in a new window or tabPre-Owned$12.00or Best Offer+$4.84 delivery
- 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
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