8,300+ results
- chubbies The Whale Sharks Lined Swim Trunks Green/ White Youth Boy Size XLOpens in a new window or tabBrand New$25.99or Best Offer+$5.99 delivery
- Southern Lure Swim Shorts Youth Extra Large Light Blue Teal Drawstring NewOpens in a new window or tabBrand New$24.79or Best Offer+$6.25 deliveryFree returnsTop Rated Plus
- Polo Ralph Lauren All Over Pony Multi Blue Youth Boys Trunks XL 18-20 NWTOpens in a new window or tabBrand New$37.70or Best Offer+$5.99 deliveryFree returnsTop Rated Plus
- RVCA Swim Shorts Youth XL Blue Tye Dye Draw String Beach WaterOpens in a new window or tabPre-Owned$14.10or Best Offer+$5.95 deliveryFree returnsExtra 30% off with coupon
- Chubbies Veranda Nights Youth Classic Swim Trunk Short Boys M 10/12 NWOTOpens in a new window or tabNew (Other)$24.99or Best Offer+$6.55 delivery
- Swim Parka Youth - Medium - Navy / Gray (Has a defect in sleeve)Opens in a new window or tabPre-Owned$22.00or Best Offer+$10.85 delivery
- Under Armour Boys Swim Trunks Youth Large ColorfulOpens in a new window or tabPre-Owned$4.99or Best Offer+$8.84 delivery
- NWT Boy's Under Armour "Surfs Up" UPF 50 Swim Shirt - Sz LARGE Pool/BeachOpens in a new window or tabBrand New$14.00or Best Offer+$5.25 delivery
Picked For You
Top selling items from trusted sellers | Sponsored- Spyder Youth 2-piece Swim Set Quick Dry UPF 30+ Size M 10/12 Green/GreyOpens in a new window or tab$18.67dianandkay (3,871) 99.7%
- True Religion Boys Size XL 18-20 Cargo Shorts Swim Trunks Swim Wear UnlinedOpens in a new window or tab$19.00always-random (1,837) 99%
- Big Boys UNDER ARMOUR UPF 50+ Swim Trunks Rash Guard Set Youth Large L YLOpens in a new window or tab$39.99kack22 (2,441) 100%Buy 1, get 1 50% off
- Old Navy Boys Multicolor Striped Swim Trunks Size M 8 Quick-Dry LinedOpens in a new window or tab$9.81grandetresors (4,795) 99.8%
- RS Surf, XL Boys Size 18 Swim Trunks. Brand New With TagsOpens in a new window or tabBrand New$6.60or Best Offer+$4.84 deliveryFree returnsLast one
- Vineyard Vines Swim Trunks Boys Size M Blue Pink Tropical Hibiscus ShortsOpens in a new window or tabPre-Owned$19.99or Best Offer+$4.84 delivery
- NWT Lands’ End Boy Bog Kid Swim Neon Bright Rash Guard Shirt SZ XL Short SleeveOpens in a new window or tabBrand New$10.98or Best Offer+$4.84 delivery
- Patagonia Swim Trunk Shorts Boys Medium Baggies Green Mesh Lined Tropical CasualOpens in a new window or tabPre-Owned$21.99or Best Offer+$5.99 delivery
- Kiki’s Nation Kids Toweling Pants size Medium Crab Swim Beach Terry Cloth TowelOpens in a new window or tabPre-Owned$24.00or Best Offer+$7.85 delivery
- Hurley Swim Trunks Boy's XL Youth Tropical Shorts Tie Dye Orange YellowOpens in a new window or tabPre-Owned$8.99or Best Offer+$5.62 delivery
- Boys Nike bathing suit shortsOpens in a new window or tabNew (Other)$20.00or Best Offer+$6.55 delivery
- CHUBBIES Americana Boys 5.5" Swim Shorts USA Youth Medium AmericaOpens in a new window or tabPre-Owned$28.00or Best Offer+$4.84 delivery
- Boys Nike Brand Swim Shorts / Trunks Size Youth Large [ 12 to 13 Years ]Opens in a new window or tabPre-Owned$7.00or Best Offer+$4.84 delivery
- Under Armor Boys Bathing Suit Size largeOpens in a new window or tabPre-Owned$3.00or Best Offer+$4.84 delivery
- Nike Shark Party Meshed Lined Volley Shorts Swim Trunks Boy's Size XL (13-15)Opens in a new window or tabPre-Owned$8.48or Best Offer+$6.55 delivery
- Vineyard Vines Speckled Camo Youth Swim Trunks Size Large (16)Opens in a new window or tabPre-Owned$10.00or Best Offer+$4.95 delivery
From our popular brands
Based on number of views and purchases | Sponsored- ColumbiaNWT Columbia PFG Swim Trunks Boys XL Lined Shorts PatrioticOpens in a new window or tabBrand New$15.29+$4.99 delivery
- VilebrequinNEW WITH TAGS AUTHENTIC VILEBREQUIN SWIM TRUNKS - MULTICOLOR - KIDS - 2 YEARSOpens in a new window or tabBrand New$65.00+$5.95 delivery
- VilebrequinNEW WITH TAGS AUTHENTIC VILEBREQUIN SWIM TRUNKS -MONKEYS- KIDS- YELLOW - 2 YEARSOpens in a new window or tabBrand New$65.00+$5.95 delivery
- PatagoniaPatagonia Baggies Swim Trunk Shorts Youth XL 14 High Hopes Geo Salamander GreenOpens in a new window or tabPre-Owned$29.99+$6.99 deliverySave up to 15% when you buy more
- PatagoniaPatagonia Boardshorts Youth XL Size 14 Waves Swim Shorts Trunks SwimsuitOpens in a new window or tabPre-Owned$20.00+$5.99 delivery
- ArtArt Class Boys' Long Sleeve Black Tie-Dye Rash Guard Top, Size Medium (8)Opens in a new window or tabBrand New$6.99+$5.50 delivery
- NikeNike Swim Shirt Boys Youth XL Pool Blue Half Sleeve UPF 40 Beach Rash GuardOpens in a new window or tabPre-Owned$15.25+$5.95 delivery
- QuiksilverQuicksilver Rash Guard Swim Shirt Youth Large Teal Long Sleeve Logo Print BeachOpens in a new window or tabPre-Owned$17.50+$5.95 delivery
- ColumbiaYouth XL Columbia PFG swim sun shirt long sleeve guard fishing royal blue!Opens in a new window or tabPre-Owned$14.00+$4.84 delivery
- HurleyHurley & Class Club Youth Boy's UPF 50+ Long Sleeve Rash Guard Swim Top LotOpens in a new window or tabPre-Owned$24.99+$5.80 delivery
- NikeNike Boys Sundial Swim Trunks Smiley faces XL Have A Nike Day!Opens in a new window or tabPre-Owned$26.00+$4.71 delivery
- HurleyHURLEY Character Check Pull-On Swim Trunks Boys M Night Force Drawstring WaistOpens in a new window or tabNew (Other)$11.54+$5.95 delivery
- Nike Swim Trunks Shorts - Mesh Lined - Grey, Black, Green- Size Youth MEDIUMOpens in a new window or tabPre-Owned$5.00or Best Offer+$4.71 delivery
- RVCA Swim Shorts Youth XL Blue Tye Dye Draw String Beach WaterOpens in a new window or tabPre-Owned$12.00or Best Offer+$4.65 delivery
- Fortnight Camo Boys Swim Shorts NWTOpens in a new window or tabBrand New$8.00or Best Offer+$5.09 delivery in 2-3 days
- Patagonia Baggies (Lot of 2) Boy Med 10 Swim Short Lined Trunks Size L (12)Opens in a new window or tabPre-Owned$39.95or Best Offer+$5.95 delivery
- Kid's Boy's Vineyard Vines Flag Trunks MediumOpens in a new window or tabPre-Owned$15.00or Best Offer+$4.71 delivery
- Tommy Bahama Nautical Print Mesh Lined Swim Trunks Boys Size LargeOpens in a new window or tabPre-Owned$19.00or Best Offer+$4.71 delivery
- Vineyard Vines Boys XL (18) Chappy Swim Trunks W/ Lining Red W/ Blue SharksOpens in a new window or tabPre-Owned$12.50or Best Offer+$9.45 delivery
- Pokemon Boys Large Blue Graphical Pokemon Swim Shorts with Inside DrawstringOpens in a new window or tabPre-Owned$5.09Was: $5.9915% offor Best Offer+$4.79 delivery
- Fair Harbor Swim Trunks Boys XL Green White Floral Drawstring Lined Beach ResortOpens in a new window or tabPre-Owned$17.99or Best Offer+$6.99 deliveryFree returnsTop Rated Plus
- Vineyard Vines Jetset Chappy Swim Trunk Poolside Bathing Suit Boys XL New NWTOpens in a new window or tabBrand New$25.00or Best Offer+$6.99 delivery
- Vineyard Vines Board Shorts Boys Medium Blue Green Paneled Swimwear Beach PoolOpens in a new window or tabPre-Owned$33.68or Best Offer+$6.99 deliveryFree returnsTop Rated Plus
- Vineyard Vines Boys Size XL 18 Crab Shell Chappy Swim Trunks Mesh Liner ReadOpens in a new window or tabPre-Owned$11.66or Best Offer+$6.99 delivery
- Peter Millar YOUTH Boys Swim Trunks Size Large 11-12 All Over SurfboardOpens in a new window or tabPre-Owned$14.99or Best Offer+$5.99 delivery
- Boys Swimsuit Medium W22 Bermuda Red W/ Blue Stripe & Swim Goggles Lot of 2 EUCOpens in a new window or tabPre-Owned$5.99or Best Offer+$4.71 delivery
- Boys Vineyard Vines Swim trunks SZ L (16)Opens in a new window or tabPre-Owned$20.00or Best Offer+$4.71 delivery
- O’Neill Superfreak Surf Boys Board Shorts Size 26 #85773Opens in a new window or tabPre-Owned$7.92Was: $9.9020% offor Best Offer+$4.71 delivery
- Spyder Youth 2-piece Swim Set Quick Dry UPF 30+ Size M 10/12 Green/GreyOpens in a new window or tabBrand New$18.67Was: $20.7510% offor Best OfferFree delivery
- Boys Large Nike Swimsuit Bathing Suit Swim Trunks Size LargeOpens in a new window or tabPre-Owned$22.00or Best Offer+$8.84 delivery
- NEW *SPYDER* 3 Piece Swimsuit Boys 30+ UPF SIZE M (7/8)Opens in a new window or tabBrand New$19.99or Best Offer+$7.52 delivery
- Patagonia Boys Baggies Peach 5” Lined Swim Trunks size Medium EUCOpens in a new window or tabPre-Owned$18.99or Best Offer+$6.15 delivery
- Tommy Bahama Floral Print Mesh Lined Swim Trunks Boys Size LargeOpens in a new window or tabPre-Owned$19.00or Best Offer+$4.71 delivery
- Boys Rash Guard Black Orange 16” Arm Pit Arm Pit Red Monster Emblem Nylon BlendOpens in a new window or tabPre-Owned$4.95or Best Offer+$6.55 delivery
- Nike Boys Swim Trunks Mesh Lined size MOpens in a new window or tabPre-Owned$10.00or Best Offer+$4.71 deliveryLast one
- Vineyard Vines Beach Fish Swim Trunks Boardwalk Surfing Boys Youth Size Lg 16Opens in a new window or tabPre-Owned$10.00or Best Offer+$4.71 delivery
- Nike Performance Swimwear Boy’s Size 24 Black Gray Splash Brief Ness9003 001Opens in a new window or tabBrand New$14.99or Best Offer+$4.84 delivery
- Old Navy Boys Multicolor Striped Swim Trunks Size M 8 Quick-Dry LinedOpens in a new window or tabPre-Owned$9.81Was: $12.2620% offor Best OfferFree deliveryFree returnsTop Rated Plus
- Nike Swim Shorts 24 Hydrastrong Black And Red Kids NWTOpens in a new window or tabBrand New$35.00or Best Offer+$5.00 delivery
- Big Boys RVCA Surfer Color Block Boardshorts Swim Trunks, 25Opens in a new window or tabPre-Owned$11.00or Best Offer+$4.84 delivery
- Vineyard Vines Boys Swim Trunks NWT LargeOpens in a new window or tabBrand New$20.00or Best Offer+$4.50 delivery
- Red Flowered Boys Lined Fair Harbor Swimsuit Size MOpens in a new window or tabPre-Owned$10.19or Best Offer+$4.84 delivery
- Vineyard Vines Boys Size XL 18 Crab Shell Chappy Swim Trunks Mesh LinerOpens in a new window or tabPre-Owned$13.99or Best Offer+$5.99 delivery
- Fair Harbor Boys Swim Trunks Tropical Knit Liner Youth Kids Large Green BlueOpens in a new window or tabPre-Owned$21.00or Best Offer+$5.12 delivery
- Adidas x Disney Lion King Boys Shorts Swimming Trunks Tropical Pull On Size LOpens in a new window or tabPre-Owned$12.00or Best Offer+$5.00 deliveryFree returnsTop Rated Plus
- Patagonia Swim Shorts Swimming Swimmer Trunks Boys Kids Hawaiian Youth M 10Opens in a new window or tabPre-Owned$15.95or Best Offer+$6.20 delivery in 2-3 days
- Chubbies Boys Classic Swim Trunk The Capes Size Medium 10/12 In Black NWOTOpens in a new window or tabNew (Other)$30.00or Best Offer+$5.99 delivery
- LOT of 5 Boys Youth Board Shorts Swimwear Size 24 Quiksilver, O’Neill, VolcomOpens in a new window or tabPre-Owned$20.00or Best Offer+$10.00 delivery
- Southern Marsh Boy's Swim Trunks Shorts Sz L Mesh Lined DrawstringOpens in a new window or tabPre-Owned$20.00or Best Offer+$4.84 delivery
- Kid's Boy's Vineyard Vines Color Block Flower & Fish Swim Trunks MediumOpens in a new window or tabPre-Owned$15.00or Best Offer+$4.71 delivery
- NEW! BOYS ADIDAS JAMMER! SIZE 24 BLACK + BLUE #422Opens in a new window or tabBrand New$12.99or Best OfferFree deliverySave up to 15% when you buy more
- Speedo Boy's Swimsuit Jammer PowerFlex Eco Solid Youth, New Black, Size 30Opens in a new window or tabBrand New$16.00or Best Offer+$4.52 delivery
- Public Art Navy Flamingo Swimming Trunks : Youth Size MediumOpens in a new window or tabPre-Owned$8.00or Best OfferFree delivery
- Bass Dash Boys Rash Guard size L (14-16) Blue With Side Vents SPF Long SleeveOpens in a new window or tabPre-Owned$7.99Was: $9.9920% offor Best Offer+$2.99 delivery
- Vineyard Vines Boys Swim Trucks With Shark Design SZ MOpens in a new window or tabPre-Owned$14.00or Best Offer+$4.84 delivery
- NWT Columbia PFG Swim Trunks Boys XL Lined Shorts PatrioticOpens in a new window or tabBrand New$15.29Was: $16.9910% offor Best Offer+$4.99 deliveryFree returnsTop Rated Plus
- arena Boys' Board Jammer SWIMSUIT: RED: NEW WITH TAGS: SIZE 28Opens in a new window or tabBrand New$35.00or Best Offer+$6.55 delivery
- Nike Swoosh Lined Blue Yellow Swim Trunks Shorts Youth Boys Large 12-13 YrsOpens in a new window or tabPre-Owned$5.99or Best Offer+$6.55 deliveryFree returns
- Kanu Surf, Swim Trunks, Boy’s Size Large (14/16), Blues & GreensOpens in a new window or tabPre-Owned$10.00or Best Offer+$4.71 delivery
- Nike Swimsuit Boys L Turtle Shark Fish Crab + Nike Logo Multicolor Lot Of 2Opens in a new window or tabPre-Owned$19.99or Best Offer+$4.84 delivery
- Nickelodeon Paw Patrol Boys Swim Shorts Kids Swimwear Bathing Suit Size 2TOpens in a new window or tabNew (Other)$6.40Time left1d 21hor Best Offer+$4.84 delivery
- Nike Swim Trunks Blue Size LargeOpens in a new window or tabPre-Owned$2.57Time left1d 6hor Best Offer+$5.00 delivery
- NEW WITH TAGS AUTHENTIC VILEBREQUIN SWIM TRUNKS - MULTICOLOR - KIDS - 2 YEARSOpens in a new window or tabBrand New$65.00or Best Offer+$5.95 deliveryFree returns
- Vineyard Vines Swim Trunks Boys XL Blue Fish Swirl Printed Chappy Lined ShortsOpens in a new window or tabPre-Owned$13.56Was: $16.9520% offor Best Offer+$5.99 delivery
- Items Per Page
![Boys Nike Brand Swim Shorts / Trunks Size Youth Large [ 12 to 13 Years ]](https://i.ebayimg.com/images/g/GHAAAeSwaGRnyb-K/s-l140.jpg)
