2,200+ results
- Mickey Mouse Boy's 2 Piece UPF+ 50 Long Sleeve Rash Guard and Swim Trunk SetOpens in a new window or tabBrand New$14.00Buy It NowFree deliverySave up to 20% when you buy more
- Hurley Boy's UPF50+ Drawstring Waist Pull On Swim ShortOpens in a new window or tabBrand New$14.99List price: $38.0061% offBuy It NowFree deliveryFree returnsExtra 20% off with couponTop Rated Plus
- Hurley Boy's 4 Way Stretch Quick Dry Back Pocket Swim ShortsOpens in a new window or tabBrand New$14.98List price: $38.0061% offBuy It NowFree deliveryFree returnsExtra 20% off with couponTop Rated Plus
- Hurley Boy's 4 Way Stretch UPF+50 Drawstring Waist Swim ShortOpens in a new window or tabBrand New$16.99List price: $38.0055% offBuy It NowFree deliveryFree returnsExtra 20% off with couponTop Rated Plus
- Cat & Jack Boys Swim Trunks Size L 10/12 Target SPF 50+ Above The KneeOpens in a new window or tabBrand New$9.99or Best Offer+$4.84 delivery
- Gerry Youth Boy's 2 Pack Swim Short UPF 50+ Swim Trunks - NWT Size L 14/16Opens in a new window or tabBrand New$19.99Buy It NowFree delivery6 watchers
- NWT Nike Swimsuit Boys Medium (fits 10-12 year old) Swim Trunks Longer LengthOpens in a new window or tabBrand New$12.99Buy It Now+$4.99 deliveryFree returns6 watchersTop Rated Plus
- Hurley Boy's UPF50+ Drawstring Waist Pull On Swim ShortOpens in a new window or tabBrand New$10.99Buy It NowFree deliverySave up to 20% when you buy more
- Vintage 80s Graphic Print Board Shorts Summer Beach Trunks Size 7 YouthOpens in a new window or tabPre-Owned$9.48Buy It Now+$5.80 deliveryExtra 10% off with coupon
- Nike Swim Trunks Black w/ Yellow-Red Swoosh Little Boys Size S & L - NWTOpens in a new window or tabBrand New$15.00Buy It NowFree delivery
- Boy's Size M 8-10 CHEROKEE Swim Trunks OrangeOpens in a new window or tabPre-Owned$4.99Buy It Now+$5.50 delivery10% off 3+ with coupon
- Fair Harbor Boys Swim Trunks Shorts Gray Boys LargeOpens in a new window or tabPre-Owned$6.950 bids · Time left1d 17hor Best Offer+$4.84 delivery
- Fair Harbor Swim Trunks Boys Large Lot of 3 Colorful Pull On Lined Beach ResortOpens in a new window or tabPre-Owned$45.00or Best Offer+$7.99 deliveryFree returnsTop Rated Plus
- Hanna Andersson Boys Swim Trunks Size 8 Orange Print Swimsuit ShortsOpens in a new window or tabPre-Owned$13.05Was: $21.7540% offor Best Offer+$5.75 delivery
- WES AND WILLY Stretch Tie Waist Blue Donuts Print Swim Trunks Boy's Size LargeOpens in a new window or tabPre-Owned$27.00or Best Offer+$9.95 delivery
- Spyder Swim Trunks Boys Youth Large Mesh Lined Pockets Gray ShortsOpens in a new window or tabPre-Owned$10.39Was: $12.9920% offor Best Offer+$5.87 deliveryFree returnsTop Rated Plus
- ZEROXPOSUR BOYS UPF50+ 2 PACK SWIM SHORTS SIZE LARGE 14/16 BRAND NEWOpens in a new window or tabBrand New$4.990 bids · Time left7d 4h$15.99Buy It Now+$6.84 delivery
- Chubbies The Havana Night Youth Classic Lined Swim Trunk Short Boys Medium 10/12Opens in a new window or tabNew (Other)$25.00or Best Offer+$4.50 deliveryFree returnsLast oneTop Rated Plus
- Janie and Jack Mickey Mouse Swim trunksOpens in a new window or tabPre-Owned$12.99or Best Offer+$5.80 delivery
- Boy Blue Shark Swim Trunks Size 4TOpens in a new window or tabPre-Owned$6.99or Best Offer+$4.51 delivery
From our popular brands
Based on number of views and purchases | Sponsored- Boys Nike Swim Trunks Large Black W/ Neon Orange Accents 37663Opens in a new window or tabPre-Owned$6.00or Best Offer+$4.84 delivery
- Distortion Raging Youth Board Shorts Swim Large Lagoon Blue with Purple Wash NOSOpens in a new window or tabBrand New$12.99Buy It NowFree deliveryFree returnsTop Rated Plus
- NWT Nike Swimsuit Boys Medium (fits 10-12 year old) Swim Trunks Longer LengthOpens in a new window or tabBrand New$12.99Buy It Now+$4.99 deliveryFree returnsTop Rated Plus
- J. Crew Crewcuts SwimWear Boys Trunks/Shorts Blue Cotton Size 8 NewOpens in a new window or tabNew (Other)$15.00Buy It Now+$5.80 delivery
- Polo Ralph Lauren Swim Shorts Boys Medium 10-12 Blue Red Big Pony Board TrunksOpens in a new window or tabNew (Other)$9.990 bids · Time left7d 17h+$10.55 delivery
- Under Armour Boys' Volley Fashion Swim Trunk Black Size Large YLGOpens in a new window or tabPre-Owned$5.50Buy It Now+$6.40 delivery
- Cat & Jack Boys Size M Gray Yellow Blue Stripe Swim Shorts TrunksOpens in a new window or tabPre-Owned$0.990 bids · Time left6d 3hor Best Offer+$5.85 delivery
- New! Janie & Jack Boys Size 4 Flamingo Swim Trunks Shorts Suit UPF 50 NWT $42Opens in a new window or tabBrand New$21.95or Best Offer+$6.10 delivery in 2-4 days
- 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 returnsExtra 15% off with couponTop Rated Plus
- Fair Harbor Shorts Boys Medium Blue Fabric Lined Youth Swim Trunks Zip PocketOpens in a new window or tabPre-Owned$20.66Was: $22.9510% offor Best Offer+$5.95 deliveryFree returnsTop Rated Plus
- Under Armour Rash Guard Tee and Swim Trunks Outfit 2 piece Boys Size 4Opens in a new window or tabBrand New$28.84Was: $32.0510% offor Best Offer+$6.99 delivery
- WWE Raw Board Swim Shorts John Cena HHH Edge 2011 Boys XXL/18 All Over PrintOpens in a new window or tabPre-Owned$15.49Was: $30.9850% offor Best Offer+$5.99 deliveryFree returnsTop Rated Plus
- Vilebrequin Kids Bathing Suit Size 8 With Broken Elastic Waist BandOpens in a new window or tabPre-Owned$20.00or Best Offer+$8.84 delivery
- Vineyard Vines Boys Large 16 Lighthouse Scenic Chappy Swim Trunks Mesh LinerOpens in a new window or tabPre-Owned$18.00or Best Offer+$4.84 delivery
- *EUC* Joe Boxer Boys Swim Trunks Board Shorts Size L 14/16 Blue Beach Palm treesOpens in a new window or tabPre-Owned$5.990 bids · Time left18h 58m$16.99Buy It Now+$4.71 delivery
- Art Class Swim Trunks Boys Size Large 14 Orange Lined Elastic WaistOpens in a new window or tabPre-Owned$4.89Was: $6.9930% offor Best Offer+$6.55 deliveryFree returns
- Cherokee Swim Trunks Shorts Boys Youth Medium Multicolor Black Blue GreenOpens in a new window or tabPre-Owned$4.88Was: $9.9551% offor Best Offer+$4.84 deliveryFree returnsExtra 10% off with couponTop Rated Plus
- Under Armour Boys' Swim Trunk w/UPF 50+ Protection, NEW, Size LG, Sonar BlueOpens in a new window or tabBrand New$15.74Buy It Now+$5.85 delivery
- Polo Ralph Laurent Plaid Swim Trunks Preppy Pockets Yellow Plaid Boys Size MedOpens in a new window or tabPre-Owned$25.00or Best Offer+$7.35 deliveryExtra 15% off with coupon
- Rokka&Rolla Boys Swim Trunk Mesh Lined Bathing Suit UPF50+Quick Dry Beach ShortsOpens in a new window or tabBrand New$25.50Was: $36.4330% offBuy It NowFree deliveryFree returnsTop Rated Plus
- Chubbies The Apex Lil Swimmers Youth Classic Lined Swim Trunk Sharks M 10/12 NWTOpens in a new window or tabBrand New$28.00or Best Offer+$4.50 deliveryFree returnsTop Rated Plus
- Wonder Nation Swim Trunks Red White & Blue Husky Large 10/12 Patriotic July 4thOpens in a new window or tabPre-Owned$5.99or Best Offer+$5.99 delivery
- EUC Hurley Drawstring Waist Blue with Yellow Board Shorts - Boys/Youth Size MOpens in a new window or tabPre-Owned$15.00or Best OfferFree delivery
- Minecraft ☆ Boys' Allover Character Swim Trunks ☆Sizes 4/5, 6/7, 8, 10/12, 14/16Opens in a new window or tabBrand New$17.95Buy It NowFree deliveryFree returnsTop Rated Plus
- NEW with Tags Hurley Swim Shorts Boys Large Dark Gray Elastic Waist Swim TrunksOpens in a new window or tabBrand New$14.95Buy It Now+$4.84 delivery
- NWT Boys YMD Medium Under Armour Slash Volley Board Shorts Swim Trunks TurquoiseOpens in a new window or tabBrand New$12.95or Best Offer+$6.37 deliverySave up to 20% when you buy more
- Tommy Hilfiger Andean Toucan Boys Yellow Swimming Trunks Shorts Med 12/14Opens in a new window or tabBrand New$5.50Buy It Now+$6.95 deliveryFree returns
- Hurley Boys Gray Swim Board Shorts w/briefs Drawstring Size L 18/20Opens in a new window or tabPre-Owned$9.99Buy It Now+$4.95 delivery
- Boy’s Swim Sets~ A Lot of 2~Sz XS 4/5 & S6/7 & M Shorts~Rash Guard Tops 4 PiecesOpens in a new window or tabPre-Owned$7.55or Best Offer+$7.45 delivery
- NWT Nike Swoosh Lined Blue Green Swim Trunks Shorts Youth Boys Large 12-13 YrsOpens in a new window or tabBrand New$25.46Was: $29.9515% offor Best Offer+$7.25 delivery
- New Big Boy's Nike Swoosh Volley Swim Shorts Pick Size & Color MSRP:$44Opens in a new window or tabBrand New$19.95Buy It NowFree delivery
- Under Armour Big Boy Beach Volley Swimsuit Swim Trunk Big Boy Youth XL 18/20Opens in a new window or tabPre-Owned$9.99or Best Offer+$4.84 deliveryFree returnsTop Rated Plus
- Nike | Junior's Boy's 3D Logo 7" Volley Swim Trunk Shorts; Green; Medium; NWTOpens in a new window or tabBrand New$17.49or Best Offer+$5.15 delivery
- Boys Swim Trunks Hurley Wonder Nation Lot Of 4 Size 6-8Opens in a new window or tabPre-Owned$15.00Buy It NowFree delivery
- Quiksilver Board Shorts Swim Trunks Elastic Waist Kids Size LargeOpens in a new window or tabPre-Owned$12.00or Best Offer+$6.55 delivery
- Nickelodeon Boys 7 Teenage Mutant NInja Turtles Swim Trunks TMNT Summer Fun SuitOpens in a new window or tabPre-Owned$14.95Buy It NowFree delivery
- Under Armour Swim Trunks Drawstring Orange Blue Youth Boys Size LargeOpens in a new window or tabPre-Owned$12.95or Best Offer+$4.57 delivery
- HURLEY Size M (10/12) Navy Blue Logo Swim Trunks Swimsuit Shorts BoysOpens in a new window or tabPre-Owned$9.99Buy It Now+$6.20 delivery
- Billabong Swim Trunks Shorts Boy Large (14) Blue Unique Wave Wash Elastic WaistOpens in a new window or tabBrand New$15.16Was: $18.9520% offor Best Offer+$5.95 deliveryFree returnsExtra 10% off with couponTop Rated Plus
- Quiksilver Swim Trunks Board Shorts Elastic Waist Size 4T *Read Description*Opens in a new window or tabPre-Owned$12.00or Best Offer+$5.85 delivery
- Nike Youth Boys Size Médium Swim Trunks Swimsuit ShortsOpens in a new window or tabPre-Owned$13.39Was: $14.8810% offor Best OfferFree delivery
- UPF 50+ Marvel Spiderman Swim Trunks Shorts Size 7 Boys Brand New Red Black NWTOpens in a new window or tabBrand New$8.99Buy It Now+$4.64 delivery
- Member's Mark Boy's 4-Way Stretch Quick Dry Resort Swim TrunkOpens in a new window or tabBrand New$10.99List price: $30.0063% offBuy It NowFree deliveryFree returnsTop Rated Plus
- Polo Ralph Lauren Youth LG 14-16 Lined Yellow Plaid Swim Trunks Shorts PonyOpens in a new window or tabPre-Owned$18.04or Best Offer+$7.25 delivery
- Tommy Hilfiger Andean Toucan Boys Green Swimming Trunks Shorts Med 12/14Opens in a new window or tabBrand New$5.50Buy It Now+$7.95 deliveryFree returns
- Tommy Hilfiger Boys Blue Swimming Trunks Shorts Large 16/18 Navy BlazerOpens in a new window or tabBrand New$4.50Buy It Now+$6.95 deliveryFree returns
- 2 Pair Boy's Swim Trunks Zero Xposure & Gymboree Size Medium 10/12Opens in a new window or tabPre-Owned$10.99or Best Offer+$7.50 delivery
- Patagonia Kids Baggies Shorts Medium 4" Pockets Swim Trunks Ojai Pixie BlueOpens in a new window or tabPre-Owned$20.00Buy It Now+$5.00 delivery
- New! Boy's Under Armour Logo Rash Guard Swim Shirt and Trunks Size Medium 10/12Opens in a new window or tabBrand New$39.95or Best Offer+$7.95 delivery
- Old Navy Boy's Dinosaur Gray Swim Trunks Surf Shorts Size L 10-12Opens in a new window or tabPre-Owned$9.99or Best Offer+$5.50 delivery
- Pokemon Pikachu Swim Trunks Board Shorts Swimwear Boys Size 8 Brief LinedOpens in a new window or tabPre-Owned$6.99Buy It Now+$5.50 delivery
- POLO Ralph Lauren Toddler Boys Sz 7 Traveler Polo Swim Trunk Short Patchwork NWTOpens in a new window or tabBrand New$45.95or Best OfferFree delivery
- Vilebrequin Boys Swim Shorts/Sz M/Cactus GreenOpens in a new window or tabPre-Owned$80.00or Best Offer+$4.84 delivery
- Items Per Page