1,300+ results
- Hurley Youth Boy's UPF 50+ Long Sleeve Rash Guard Swim Top Sz 5/6Opens in a new window or tabBrand New$5.99or Best Offer+$3.96 delivery
- Mini Boden Swim Trunks Size 4-5Opens in a new window or tabPre-Owned$20.00or Best Offer+$9.80 delivery
- 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
- Chubbies The Lil Glades Alligator Swim Trunks Kids Pink Drawstring Pocket 4TOpens in a new window or tabNew (Other)$29.99or Best Offer+$4.49 deliveryFree returnsTop Rated Plus
- The Beaufort Bonnet Company Boys Wave Spotter Swim Shirt Rash Guard Trunks SetOpens in a new window or tabPre-Owned$35.00or Best Offer+$8.71 delivery
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- tommy bahama boy swimwear Size 4Opens in a new window or tabPre-Owned$7.00or Best Offer+$3.00 delivery
- Hurley Boy's 4 Way Stretch Quick Dry Back Pocket Swim ShortsOpens in a new window or tabBrand New$11.99or Best OfferFree delivery
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Top selling items from trusted sellers | Sponsored- Sundek Boys Fluo Orange Swim Trunks Shorts Rainbow Size 4Opens in a new window or tab$61.00stores4family (1,041) 100%
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- Boys Surf Shorts Size 4 Swim Drawstring Hook And Loop Pockets Blue PolyesterOpens in a new window or tabBrand New$6.99or Best Offer+$4.99 deliveryFree returnsTop Rated Plus
- Hurley Boy's Size 4 Swim Shirt UV Rash Guard H20 Dri Fit GrayOpens in a new window or tabPre-Owned$13.99or Best Offer+$4.84 delivery
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- Abercrombie & Timberland Kids Boys Short Lot Size 5/6Opens in a new window or tabPre-Owned$39.95or Best Offer+$7.00 delivery
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- Quiksilver Toddler & Little Boys Bubble Dreams Rash Guard - Iron GateOpens in a new window or tabBrand New$0.99Time left5d 6hor Best Offer+$5.00 deliveryFree returns
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- Patagonia baggies shorts size 4 blue and orange with fishOpens in a new window or tabPre-Owned$16.00or Best Offer+$7.27 delivery
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- Mini Boden Boys 5-6Y Rashguard Frog Swim Shirt Sun ProtectionOpens in a new window or tabPre-Owned$17.99or Best Offer+$6.99 delivery
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- VTG 80s Ocean Pacific Surf Beachwear Pants Kids Youth 4 Blue Deadstock RareOpens in a new window or tabPre-Owned$39.95or Best Offer+$5.00 delivery
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- Pokémon Swim Trunks & Rash Guard Size 5/6 Pikachu Yellow & Blue Short SleeveOpens in a new window or tabPre-Owned$9.99or Best Offer+$4.84 delivery
- Boys Size 4 Shorts Billabong Oneil Swimsuit Trunks Lot of 2 NWT PreownedOpens in a new window or tabPre-Owned$3.99Time left6d 3hor Best Offer+$6.84 delivery
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- Disney Cars Boys 4T Swim TrunksOpens in a new window or tabPre-Owned$6.95or Best Offer+$4.84 delivery
- Carter's Baby Boy 6 Months Summer 6 Pc BundleOpens in a new window or tabPre-Owned$13.99or Best Offer+$6.07 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 delivery50% off 4+ with coupon
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- 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
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- Scooby-Doo! Boys size 4 Shorts- Perfect ConditionOpens in a new window or tabPre-Owned$18.00or Best Offer+$9.27 delivery
- Boys Psycho Bunny Size 5/6 Lined Swim TrunksOpens in a new window or tabPre-Owned$18.00or Best Offer+$5.00 delivery
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- Polo Ralph Lauren Boys Sz 4T Swim Trunks Green Board ShortsOpens in a new window or tabPre-Owned$7.16Was: $9.9528% offor Best Offer+$4.95 delivery
- Marvel Spider-Man Short Sleeve Swim Shirt and Short Set Rash Guard Size 5-6 BoysOpens in a new window or tabPre-Owned$10.88or Best Offer+$5.80 deliveryFree returnsTop Rated Plus
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- Disney Parks Mickey & Friends Little Boys Swim Trunks Size 5/6 - Lot Of 2Opens in a new window or tabPre-Owned$12.00or Best Offer+$6.55 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
- Disney Store Mickey Mouse Swim Trunks Shorts Boy Size 5/6 Summer Swimming NWTOpens in a new window or tabBrand New$10.00or Best Offer+$4.00 delivery
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- Tommy Bahama Size 4 Boy 2 Pc Rash Guard Swimsuit Trunks Tiki Club Short Swim NEWOpens in a new window or tabBrand New$16.17Was: $17.9710% offor Best Offer+$6.55 delivery
- Ocean Pacific Swim Trunks Boys 4 Red Classic Cars Palm Tree Lined OP ShortsOpens in a new window or tabPre-Owned$5.39Was: $5.9910% offor Best Offer+$4.99 deliveryFree returnsTop Rated Plus
- Gymboree Boys' Cheetah Rashguard Swin Shirt Red/navy Size:S(5-6) YOpens in a new window or tabPre-Owned$6.50or Best Offer+$4.84 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
- Tommy Hilfiger Boys Size 4 Bathing Suit Swim Trunks Shorts Blue Orange SwimwearOpens in a new window or tabPre-Owned$12.00or Best Offer+$4.84 delivery
- Children’s Place sport boys Swim Wear small 5/6 top and bottom SharksOpens in a new window or tabPre-Owned$9.00or Best Offer+$6.55 delivery
- Hanna Andersson Tie Dye Dolphin Vent Swim Trunks - Size Boy's 4TOpens in a new window or tabPre-Owned$12.99or Best Offer+$5.85 delivery
- LL Bean Rash Guard Swim 3/4 Sleeve Or Long Sleeve Shirt Youth size 5-6 GrayOpens in a new window or tabPre-Owned$5.62or Best Offer+$6.20 delivery
- Swim trunks shark print blue green yellow adjustable waist Boy 4Opens in a new window or tabPre-Owned$9.50or 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
- ZeroXposur Boys Rash Guard Swim Shirt only UPF 50+ Size 4 UV Sun Protection NWTOpens in a new window or tabBrand New$14.99or Best Offer+$4.44 delivery
- Dolfin Size 4 Boys Swim Trunks Bottoms Yellow With Cars & DrawstringOpens in a new window or tabPre-Owned$4.00or Best Offer+$5.00 delivery
- Hanna Andersson Black Rash Guard Shirt Size 4Opens in a new window or tabPre-Owned$15.99or Best Offer+$4.57 delivery
- 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
- Disney Boys Swim Trunks Shorts 5-6 Mickey Mouse Plaid Boardshorts Navy GreenOpens in a new window or tabPre-Owned$11.99or Best Offer+$6.30 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
- Under Armour Rash Guard Tee and Swim Trunks Outfit 2 piece Boys Size 4Opens in a new window or tabBrand New$32.05or Best Offer+$6.99 delivery
- Art Class 4 Board Shorts Swim Trunks Suit Palm All Over Print Drawstring ShortsOpens in a new window or tabPre-Owned$7.30or Best Offer+$6.05 deliveryFree returnsExtra 15% off with coupon
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