1,700+ results
- Adventure Wear By Class/Club Long Sleeve Rash Guard Size 4/5Opens in a new window or tabPre-Owned$0.99Time left15h 4mor Best Offer+$4.71 delivery
- Old Navy Boys Navy Blue Rash Guard Size 4T*Opens in a new window or tabPre-Owned$6.00or Best Offer+$6.99 delivery
- New w Tags Sesame Street Cookie Monster Swim Trunks Boys 4T Vintage Bathing SuitOpens in a new window or tabBrand New$40.00or Best Offer+$5.26 delivery
- Boys Tractor Swimsuit Set With Rash Guard Size 6 boys.Opens in a new window or tabPre-Owned$6.44or Best Offer+$4.52 delivery
- Vilebrequin Boys Swim Shorts Trunks Water Reactive Light Blue Elephant Sz 6Opens in a new window or tabPre-Owned$30.00or Best Offer+$5.99 delivery
- Carters Swim Shorts & Rash Guard At Boys Size 6 BlueOpens in a new window or tabNew (Other)$9.99Time left1d 18hor Best Offer+$7.35 delivery
- Chubbies Kids Size 6 Swim Trunks Apex Swimmer Blue Sharks Mesh LinerOpens in a new window or tabBrand New$21.99or Best Offer+$6.65 delivery25% off 3+ with coupon
- H&M Toddler Swim Shorts Trunks Size 2-4 Years Drawstring & Elastic Waist LinerOpens in a new window or tabPre-Owned$12.50or Best Offer+$4.99 delivery
Picked For You
Top selling items from trusted sellers | Sponsored- Chubbies Kid's The Lil Fuegos Swim Shorts, Multicolor, Size-6TOpens in a new window or tab$26.992015market (97,890) 98.6%Last one
- Binki Bro Harada Swimsuit In Blue Little Boys Size 4T, Brand NewOpens in a new window or tab$29.00baldwinsloft (3,834) 99.3%2 watchers
- Polo By Ralph Lauren Kids Boys Adjustable Elastic Waist Lined Swim Trunks Sz 4Opens in a new window or tab$27.99babies_n_things (1,925) 100%
- Sundek Boys Fluo Orange Swim Trunks Shorts Rainbow Size 4Opens in a new window or tab$61.00stores4family (1,050) 100%
- Sundek Swin Trunk Boy's Green Rainbow Size 4Opens in a new window or tab$61.00stores4family (1,050) 100%
- Charlie Rocket Boys Lobster Shorts, Blue, 4TOpens in a new window or tab$15.96beckysbargainbarn113 (13,258) 99%
- Janie&Jack Swim Trunks Boys Size 4Opens in a new window or tabPre-Owned$13.50or Best Offer+$4.84 delivery
- Quicksilver Board Shorts Boys 4T Swimsuit Trunks Surf Beach Retro Stripe Y2K VTGOpens in a new window or tabPre-Owned$7.31or Best Offer+$6.15 deliveryFree returns
- Binki Bro Harada Swimsuit In Blue Little Boys Size 4T, Brand NewOpens in a new window or tabBrand New$29.00or Best OfferFree deliveryFree returns2 watchersTop Rated Plus
- Crewcuts Swim Trunks Boys Size 6 Pink Mesh Lined Pull On Surf BeachOpens in a new window or tabPre-Owned$9.90or Best Offer+$7.49 deliveryFree returnsExtra 20% off with couponTop Rated Plus
- Polo by Ralph Lauren Boys’ Classic Navy Swim Trunks with Iconic LogoOpens in a new window or tabPre-Owned$20.00or Best Offer+$4.84 delivery
- Boys Binky Bro Swim Suit Trunks Pink Palm Trees Size 6Opens in a new window or tabPre-Owned$16.00or Best Offer+$5.62 delivery
- NWT AUTHENTIC VILEBREQUIN SWIM TRUNKS - WATER REACTIVE SEAHORSE - KIDS - 4 YEARSOpens in a new window or tabBrand New$65.00or Best Offer+$5.95 deliveryFree returns
- Vilebrequin Boys Blue Black Turtle print Swim Trunks size 6 Years (104 Cm)Opens in a new window or tabPre-Owned$17.99or Best OfferFree delivery
- BOYS VINEYARD VINES SWIM TRUNKS LINED 6 BLUE PINK GREEN TURTLES PINEAPPLES POLYOpens in a new window or tabPre-Owned$14.75or Best Offer+$5.75 delivery
- Hurley Boy's 4 Way Stretch Quick Dry Swim Shorts size 6 SharksOpens in a new window or tabPre-Owned$7.00or Best Offer+$4.84 delivery
- Hurley Logo Boardshorts Boys' 6 Indo Blue Striped Back PocketOpens in a new window or tabBrand New$14.99or Best Offer+$4.99 delivery
From our popular brands
Based on number of views and purchases | Sponsored- QuiksilverQuicksilver Board Shorts Boys 4T Swimsuit Trunks Surf Beach Retro Stripe Y2K VTGOpens in a new window or tabPre-Owned$7.31+$6.15 delivery
- CrewcutsCrewcuts Swim Trunks Boys Size 6 Pink Mesh Lined Pull On Surf BeachOpens in a new window or tabPre-Owned$9.90+$7.49 deliveryExtra 20% off with coupon
- VilebrequinNWT AUTHENTIC VILEBREQUIN SWIM TRUNKS - WATER REACTIVE SEAHORSE - KIDS - 4 YEARSOpens in a new window or tabBrand New$65.00+$5.95 delivery
- MarvelVintage Y2K Toddler Boys Marvel Spider-Man Swim Shorts Mesh-Lined Size 4TOpens in a new window or tabPre-Owned$12.44+$5.54 delivery
- CrewcutsCrewcuts Seersucker Boys Swim Trunks 6 White Blue Board Shorts DrawstringOpens in a new window or tabPre-Owned$12.74+$5.60 delivery
- VilebrequinNEW WITH TAGS AUTHENTIC VILEBREQUIN SWIM TRUNKS FOR KIDS - YELLOW - 4 YEARSOpens in a new window or tabBrand New$65.00+$5.95 delivery
- HurleyHurley Boys 4 Swimsuit Trunks Shark Surf Adjustable Waist Board shortsOpens in a new window or tabPre-Owned$6.99+$6.84 delivery
- DisneyMickey Mouse Trunks Kids Size 4 Disney Tropical Swimming For Summer UPF 50 +Opens in a new window or tabBrand New$10.53+$7.95 delivery
- HurleyHurley Logo Boardshorts Boys' 6 Indo Blue Striped Back PocketOpens in a new window or tabBrand New$14.99+$4.99 delivery
- MarvelMarvel Captain America Mesh Lined Swim Trunks Boys 6/7Opens in a new window or tabPre-Owned$11.99+$6.00 delivery
- DisneyDisney Store Mickey Mouse Boys Swim Shorts, Size 5/6Opens in a new window or tabBrand New$22.99+$9.24 delivery
- QuiksilverQuiksilver Ocean Elastic Amphibian 14' Board Shorts Little Boys Midnight Navy 4Opens in a new window or tabBrand New$20.13+$5.95 delivery
- Hurley UPF 50+ Rash Guard Swim Shirt Boys' 6 Volt H20-Dri WicksOpens in a new window or tabBrand New$14.99or Best Offer+$4.99 delivery
- UV Skinz Swim trunks Shorts Boys size 4T Shark Print Beach Pool Swimsuit EUC Q17Opens in a new window or tabPre-Owned$9.00or Best Offer+$4.84 delivery
- Vintage Y2K Toddler Boys Marvel Spider-Man Swim Shorts Mesh-Lined Size 4TOpens in a new window or tabPre-Owned$12.44or Best Offer+$5.54 deliveryFree returnsTop Rated Plus
- Hurley UPF 50+ Rash Guard Swim Shirt Boys' 4 Volt H20-Dri WicksOpens in a new window or tabBrand New$14.99or Best Offer+$4.99 delivery
- Vilebrquin kids size 4 yellow swim trunks with turtlesOpens in a new window or tabPre-Owned$45.00or Best Offer+$5.85 delivery
- NEW TYR Boys Size 22 (6) Akurra Thresher Short Jammer Tech Suit Swimsuit BlueOpens in a new window or tabNew (Other)$70.00or Best OfferFree delivery
- Hurley Boys 4 Swimsuit Trunks Shark Surf Adjustable Waist Board shortsOpens in a new window or tabPre-Owned$6.99or Best Offer+$6.84 delivery
- New Vintage Boys Boy’s Size 4 XS X-Small Radical Skinz Rashguard Swim SwimsuitOpens in a new window or tabBrand New$0.99Time left5d 19hor Best Offer+$4.50 delivery
- Chubbies Kid's The Lil Fuegos Swim Shorts, Multicolor, Size-6TOpens in a new window or tabBrand New$26.99or Best OfferFree deliveryFree returnsLast oneTop Rated Plus
- Abercrombie & Timberland Kids Boys Short Lot Size 5/6Opens in a new window or tabPre-Owned$39.95or Best Offer+$7.00 delivery
- Crewcuts Seersucker Boys Swim Trunks 6 White Blue Board Shorts DrawstringOpens in a new window or tabPre-Owned$12.74Was: $16.9925% offor Best Offer+$5.60 delivery
- Kenzo Boys Abstract Print Elastic Waist Drawstring Swim Bottoms Blue Size 4Opens in a new window or tabNew (Other)$44.99or Best Offer+$4.95 deliveryExtra 25% off with coupon
- Boys Disney Mickey Swim Trunks Size 4T Multi-color + Bath BookOpens in a new window or tabPre-Owned$10.00or Best Offer+$8.54 delivery
- Baby Buns Boys Swim Wear Size 4TW33822Opens in a new window or tabPre-Owned$8.00or Best Offer+$4.71 delivery
- Prodoh Swim Trunks for boys sz 6Opens in a new window or tabPre-Owned$16.20or Best Offer+$6.95 delivery
- Art Class Boy Swim Trucks Swim Shorts Size 4Opens in a new window or tabNew (Other)$5.50or Best Offer+$4.51 delivery
- Nickelodean Sponge Bob Boys Swim Shorts**Bright Yellow**Inner Lining**2 SizesOpens in a new window or tabBrand New$8.00or Best Offer+$5.80 delivery
- Hurley UPF 50+ Rash Guard Swim Shirt Boys' 4 Indo Blue H20-Dri WicksOpens in a new window or tabBrand New$14.99or Best Offer+$4.99 delivery
- NEW WITH TAGS AUTHENTIC VILEBREQUIN SWIM TRUNKS FOR KIDS - YELLOW - 4 YEARSOpens in a new window or tabBrand New$65.00or Best Offer+$5.95 deliveryFree returns
- NWT AUTHENTIC VILEBREQUIN SWIM TRUNKS - WATER REACTIVE - KIDS- BLUE - 4 YEARSOpens in a new window or tabBrand New$65.00or Best Offer+$5.95 deliveryFree returns
- Scooby-Doo! NEW Boys Swim Trunks size 4T -Throwback/VintageOpens in a new window or tabBrand New$15.00or Best Offer+$9.27 delivery
- Rash Guard Under Shorts Red Youth 4SOpens in a new window or tabNew (Other)$7.78Was: $8.6410% offor Best Offer+$7.95 delivery
- PLAY Vtg MINI BODEN Boys Camo Camouflage Colorful Swim Shorts Trunks Size 4/5Opens in a new window or tabPre-Owned$20.00or Best Offer+$6.84 delivery
- Toddler Boy Jurassic World Swim Trunks Size 4/5 XSOpens in a new window or tabPre-Owned$10.50or Best Offer+$4.84 delivery
- LIZENS Boys UPF 50+ Quick Dry Striped Swim Trunks, Aqua, 3-6monthsOpens in a new window or tabBrand New$9.00or Best Offer+$6.49 deliveryExtra 20% off with coupon
- EUC Boys Polo Ralph Lauren Plaid Swim Trunks -6Opens in a new window or tabPre-Owned$20.00or Best Offer+$5.90 delivery
- Ocean Pacific Swim Trunks Boys 4 Red Classic Cars Palm Tree Lined OP ShortsOpens in a new window or tabPre-Owned$6.29Was: $6.9910% offor Best Offer+$4.99 deliveryFree returnsTop Rated Plus
- ZeroXposur Boys Sharks Island Graphic Swim Trunks with Bonus Goggles Medium 5/6Opens in a new window or tabBrand New$11.86Was: $13.9515% offor Best OfferFree deliveryFree returnsSave up to 15% when you buy moreTop Rated Plus
- Vintage Scooby-Doo Boys Swim Trunks Size 4T Lined (No Elastic)Opens in a new window or tabPre-Owned$12.88or Best Offer+$6.88 deliveryFree returnsTop Rated Plus
- Chubbies NEW NWT Kids Size 6 Swim Trunks Lil Whale Sharks Mesh Liner BlueOpens in a new window or tabBrand New$21.99or Best Offer+$6.65 delivery25% off 3+ with coupon
- NWT ✅ Art Class Boy's Hybrid Swim Shorts Trunks Board Shorts Size 16 ✅ TurquoiseOpens in a new window or tabBrand New$11.99Was: $14.9920% offor Best OfferFree delivery
- Art Class New Boy's Size 4 Lined Adjustable Waist Cargo Pocket Swim Board SharkOpens in a new window or tabBrand New$7.19Was: $7.9910% offor Best Offer+$4.95 deliveryFree returns
- Polo Ralph Lauren Boys Size 6 Hawaiian Sanibel Luau Swim Trunk Tropical AlohaOpens in a new window or tabPre-Owned$19.99or Best Offer+$6.30 delivery
- Hurley boys board shorts Swim Trunks Size 4 blue Kids YouthOpens in a new window or tabPre-Owned$5.99or Best Offer+$6.00 deliveryFree returnsExtra 20% off with couponTop Rated Plus
- Boys Old Navy & Gap Swim Trunks size 4 lot of 5 pairOpens in a new window or tabPre-Owned$18.00or Best Offer+$8.35 delivery
- Hurley Boys Size 4T Swim TrunksOpens in a new window or tabPre-Owned$8.50Time left6d 17hor Best Offer+$4.51 delivery
- Lot of (3) Boys Swim Trunks Size 4, Vineyard Vines, Hanna AndersonOpens in a new window or tabPre-Owned$35.00or Best Offer+$12.71 delivery
- Disney Toddler Swim Trunks Mickey Mouse Donald Duck Mickey's Surf ClubOpens in a new window or tabPre-Owned$6.00or Best Offer+$5.75 deliveryFree returnsTop Rated Plus
- H&M Boys Swim Shorts Trunks Size 2-4 Years -EUCOpens in a new window or tabPre-Owned$4.50or Best Offer+$4.50 delivery
- OP CAMOUFLAGE SWIM SHORTS WITH LINING AND OUTSIDE RIGHT POCKET SM SIZE 6/7Opens in a new window or tabPre-Owned$2.74or Best Offer+$4.84 delivery
- BODEN Mini Boys Size 4 4Y Swim Shorts Trunks Sea Ocean Animal Fish Shark BeachOpens in a new window or tabPre-Owned$14.99or Best Offer+$5.99 delivery
- Hurley Youth Pull On Swim Shorts Stretch Size 4 Toddler boys Ocean Sharks NWTOpens in a new window or tabBrand New$16.99or Best Offer+$4.99 deliveryLast one
- Quicksilver Boy's Board Shorts Orange Plaid Swim Trunks Size 28z16Opens in a new window or tabPre-Owned$5.00or Best Offer+$6.55 delivery
- Boys Blue & White Shark Swimming Trunks Bathing Suit Size 6 F25Opens in a new window or tabPre-Owned$5.00or Best Offer+$4.51 delivery
- UV Skinz Boys 2 Piece Set Frogs Size 4t UPF 50+ SwimwearOpens in a new window or tabPre-Owned$10.00or Best Offer+$8.19 delivery
- Lilly Pulitzer Boys Kids Swim Trunks Shorts Bathing Suit Sz 4 Lined *Faded*Opens in a new window or tabPre-Owned$10.00or Best Offer+$4.84 delivery
- Dreamworks Monsters vs. Aliens lined Swim Trunks Boys Size 6Opens in a new window or tabPre-Owned$6.50or Best Offer+$6.30 delivery
- Vilebrequin Toddler Boys 4 Swim Trunk Navy, Pink and TanOpens in a new window or tabPre-Owned$25.00or Best Offer+$4.99 delivery
- Janie and Jack Boys Size 6 Deep Orange Anchor Swim Trunks Cabana PrepOpens in a new window or tabPre-Owned$9.00or Best Offer+$4.71 deliveryFree returnsTop Rated Plus
- Boys Hurley American Flag swim Board Shorts, Size 4 adjustable waistOpens in a new window or tabPre-Owned$16.99or Best OfferFree deliveryFree returns
- Vilebrequin Kids Boy's Swim Trunks Blue Bathing Suit Swimwear Size 6Opens in a new window or tabPre-Owned$24.99or Best Offer+$5.99 delivery
- Tommy Bahama Boys Orange Polyester Swimshorts Drawstring Elastic Waist Sz XS 4Opens in a new window or tabPre-Owned$10.99or Best Offer+$4.84 delivery
- Items Per Page
