3,500+ results
- New Chubbies Lined Stretch Swim Shorts The Glades BoysOpens in a new window or tabNew (Other)$21.50Buy It Now+$4.84 delivery
- Chubbies Boys' Classic Swim Trunks Shorts Tropical Bunches NEW XS Youth 6-7Opens in a new window or tabNew (Other)$22.99or Best Offer+$6.55 delivery
- Baby Boy’s Polo Ralph Lauren Swim Trunks Size 12 MonthsOpens in a new window or tabPre-Owned$12.00or Best Offer+$4.84 delivery
- Art Class Boy’s Striped Board Shorts Sz 12Opens in a new window or tabPre-Owned$8.00or Best Offer+$5.80 delivery
- Vintage No. 47 Size X-Small Boys Flarico Swim Athletic Supporter Boys From 1970sOpens in a new window or tabBrand New$15.95Buy It Now+$4.95 delivery
- Member's Mark 2-Piece Family Swim Boy's Rashguard & Swim Trunk SetOpens in a new window or tabBrand New$12.99List price: $24.0046% offBuy It NowFree delivery in 2 daysFree returnsSave up to 30% when you buy moreTop Rated Plus
- Nike Swoosh Swim Shorts Trunks NESSB-451-001 Black / Gray Size XS NWTOpens in a new window or tabBrand New$25.00or Best Offer+$6.40 delivery
- Cozmo Crew Rash Guard Top 1/2y NwtOpens in a new window or tabBrand New$5.001 bid · Time left4h 23m+$6.95 delivery
Picked For You
Top selling items from trusted sellers | Sponsored- Boy's Youth Hurley One and Only Supersuede Board Shorts SwimOpens in a new window or tab$19.99qualitybargains01 (65,453) 99.6%Save up to 5% when you buy more
- TYR Boys' Durafast ONE Jammer Swimsuit, Black, 26 XSOpens in a new window or tab$27.91shoppermaxx (15,607) 99.8%
- Kids Boy Rash Guard One Piece Swimsuit Swim Swimwear Jumpsuit Wetsuit WaterOpens in a new window or tab$29.67clearcalling104 (2,236) 99.5%
- Kids Boy Swimwear One Piece Swimsuit Seaside Rash Guard UPF 50+ Bathing SuitOpens in a new window or tab$31.31etherbuy88 (64,953) 98.3%
- Kids Boys Rash Guard Swim Trunk Set Camouflage Bathing Suit Pool Beach SwimwearOpens in a new window or tab$18.93etherbuy88 (64,953) 98.3%
- Boys Swimwear Rash Guard Swimsuit One Piece Bathing Suit Surfing BeachwearOpens in a new window or tab$23.08centralflash1 (2,523) 98.4%
- Boy Sunsuit Summer Shirts With Boardshorts UPF 50+ Swimsuit Quickly Dry WetsuitOpens in a new window or tab$32.69etherbuy88 (64,953) 98.3%
- Kids Boys Rash Guard Jogging Swimwear Jammer Swim Shorts Training SwimsuitOpens in a new window or tab$16.25clearcalling104 (2,236) 99.5%
- 2 Vintage Size Boys Flarico Swim Athletic Supporter Boys Size X-Small From 1970sOpens in a new window or tabBrand New$29.95Buy It Now+$4.95 delivery
- Hurley Boys Board Shorts Swimming Trunks Stretch Size 12 NWTOpens in a new window or tabBrand New$25.00or Best Offer+$5.80 delivery
- Cat & Jack Boys Swimsuit Bundle Of 3 Target Swimwear Bathing Palms Dinosaur USAOpens in a new window or tabNew (Other)$13.99or Best Offer+$5.80 delivery
- New Sz27 12/14 Quicksilver Surfsilk Straight 17" Surfing Swim BoardshortsOpens in a new window or tabBrand New$24.00or Best Offer+$6.55 delivery
- Kith Kids Boys Floral Print Drawstring Waist Swim Trunks Blue Size 12Opens in a new window or tabNew (Other)$44.99or Best Offer+$4.95 delivery50% off 4+ with coupon
- Vintage Pro Spirit Kids Swim Trunks 90s Style Size XS 4-5Opens in a new window or tabPre-Owned$14.00or Best Offer+$4.84 delivery
- Kith Kids Boys Monogram Print Drawstring Waist Swim Trunks Pink Size 12Opens in a new window or tabNew (Other)$44.99or Best Offer+$4.95 delivery50% off 4+ with coupon
- One-Piece Children Swimsuits Kid Swimwear Boys Long Sleeve Sun Protection NewOpens in a new window or tabNew (Other)$26.99Was: $29.9910% offBuy It NowFree deliveryfrom China
- HURLEY ' PHANTOM ECO BOARDSHORTS ' 17" LENGTH ' SIZE 12 ' BOYSOpens in a new window or tabBrand New$14.99Buy It NowFree delivery
- Boy's Youth Hurley One and Only Supersuede Board Shorts SwimOpens in a new window or tabBrand New$19.99Buy It NowFree delivery in 2 daysFree returnsSave up to 5% when you buy moreTop Rated Plus
- Patagonia Boys Baggies Swim Shorts Trunks Size XS Mud Paint Stone BlueOpens in a new window or tabPre-Owned$25.95Buy It Now+$6.40 deliveryFree returnsTop Rated Plus
- Old Navy Rashguard Boys Bundle Of 2 Sz XS 5 Swim Top Beachwear Shark Palm TreesOpens in a new window or tabPre-Owned$11.99or Best Offer+$4.84 delivery
From our popular brands
Based on number of views and purchases | Sponsored- HurleyBoy's Youth Hurley One and Only Supersuede Board Shorts SwimOpens in a new window or tabBrand New$19.99Free deliverySave up to 5% when you buy more
- VilebrequinVilebrequin Swim Trunks Youth/Boys Seafoam/ Purple Print/Lined/ Drawstring Sz/12Opens in a new window or tabPre-Owned$15.99+$6.34 delivery
- SpeedoBoys Speedo Blue Jammers Swimsuit 12Opens in a new window or tabPre-Owned$18.90+$5.10 delivery
- PatagoniaPATAGONIA Boys XXL BAGGIES SHORT 67052 Swim Trunks Lined 8” Inseam HYBRIDOpens in a new window or tabPre-Owned$15.64+$8.71 delivery
- VilebrequinVilebrequin Youth Boys Sz 12 Mahina Mini Fishes Swim Trunk Red Drawstring D*Opens in a new window or tabPre-Owned$19.95+$8.84 deliveryExtra 25% off with coupon
- HurleyHurley Board Shorts Boys Size 12 Stripped Beach Pool Summer TimeOpens in a new window or tabBrand New$19.00+$5.99 delivery
- PatagoniaPatagonia $49 Kids Baggies Nylon Shorts 7" Lined Vessel Blue Size L(12)Opens in a new window or tabBrand New$44.00+$5.89 deliveryExtra 23% off
- NikeNike Swim Trunks Boys XS *estimated* Light Blue Brief LinedOpens in a new window or tabPre-Owned$12.00+$4.99 delivery
- TrunksOcean Gear Board Swim Trunks Shorts Boys 2XL size 18 Lined Hawaiian FloralOpens in a new window or tabPre-Owned$10.95+$7.95 deliveryExtra 15% off with coupon
- NikeNew! Boy's NIKE Green Logo Swim Trunks Size Medium 10/12Opens in a new window or tabBrand New$29.95+$5.95 delivery
- Vilebrequin Boys Orange Printed Shrimp Swim Shorts Swim Trunks Size 12Opens in a new window or tabPre-Owned$40.00or Best Offer+$5.25 delivery
- Boys Size Vintage Flarico Swim Athletic Supporter Boys Size X-Small From 1970sOpens in a new window or tabBrand New$19.95Buy It Now+$4.95 delivery
- Wonder Nation Boys Swim Trunks Size XXL SZ 18 Lined Swimming Board Beach VGCOpens in a new window or tabPre-Owned$9.99or Best Offer+$5.85 delivery
- TYR Youth Boy's 26 XXS Black Gray Swimsuit Jammer Shorts Durafast NewOpens in a new window or tabBrand New$18.71Was: $24.9525% offBuy It Now+$4.98 deliverySave up to 9% when you buy more
- Lands End Youth 2-piece swim set Shorts and hoodie Boys size M 10/12Opens in a new window or tabBrand New$18.89Was: $20.9910% offor Best OfferFree delivery
- Chubbies Kids Classic Swim Pink Flamingo Trunks Multicolor Size 12M ToddlerOpens in a new window or tabPre-Owned$2.000 bids · Time left1d 9hor Best Offer+$6.40 delivery
- Member's Mark Boys 4Way Stretch Quick Dry UPF50 Sun Protection Resort Swim TrunkOpens in a new window or tabBrand New$11.99List price: $30.0060% offBuy It NowFree delivery in 2 daysFree returnsSave up to 30% when you buy moreTop Rated Plus
- Patagonia Boys XS Extra Small Orange Swim Trunks Bottoms Shorts SolidOpens in a new window or tabPre-Owned$17.00Buy It NowFree delivery
- Sundek Boy's Neon Fluorescent Orange Rainbow Swim Trunks Size 12Opens in a new window or tabBrand New$61.00or Best OfferFree delivery
- Boys Lands' End Swim Trunks XS Yellow Multi-color Palm TreeOpens in a new window or tabPre-Owned$3.991 bid · Time left8h 5m$12.00Buy It Now+$4.84 delivery
- Vilebrequin Swim Trunks Youth/Boys Seafoam/ Purple Print/Lined/ Drawstring Sz/12Opens in a new window or tabPre-Owned$15.99or Best Offer+$6.34 delivery
- Beige Or Gold Converse swimming trunks for size 12-13 YOpens in a new window or tabNew (Other)$10.00or Best Offer+$8.84 delivery
- Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Vessel Blue Size L(12)Opens in a new window or tabBrand New$44.00or Best Offer+$5.89 deliveryExtra 23% off
- CABANA LIFE Big Boy's 12 Charleston Stripe Swim Trunks NWTOpens in a new window or tabBrand New$22.99Buy It Now+$6.55 delivery
- Psycho Bunny boys bathing suit trunks - Size 10/12Opens in a new window or tabPre-Owned$25.00or Best Offer+$6.55 delivery
- Wonder Nation Swim Shorts Boys Size XXL (18) Pre-Owned Multi-Color BlackOpens in a new window or tabPre-Owned$4.99or Best Offer+$6.00 delivery
- Patagonia Swim Baggies Shorts Kids L (12) Yellow Mesh Lined Trunks Pockets BeachOpens in a new window or tabBrand New$19.66Was: $23.4016% offor Best Offer+$6.90 delivery
- Boy's Youth Billabong Recycler Pro Wave Washed Boardshorts SwimOpens in a new window or tabBrand New$22.99Buy It NowFree delivery in 2 daysFree returnsTop Rated Plus
- Boy's Youth Volcom Modtech 4 Way Stretch Board Shorts Swim size 12 (26) newOpens in a new window or tabBrand New$17.99Buy It Now+$4.71 deliveryFree returnsTop Rated Plus
- Boys Speedo Blue Jammers Swimsuit 12Opens in a new window or tabPre-Owned$18.90Was: $27.0030% offor Best Offer+$5.10 delivery
- Psycho Bunny Boys Navy Blue Swim Shorts Size 10/12Opens in a new window or tabPre-Owned$15.99or Best Offer+$4.52 delivery
- Boys HURLEY Shoreline Striped Board Shorts Swim Trunks Size 8 10 12 16 18 20Opens in a new window or tabBrand New$13.99Buy It Now+$7.35 delivery
- Marvel Boys Black Panther Swim Trunks Shorts Size XS 5/6Opens in a new window or tabBrand New$6.00Buy It Now+$4.70 delivery
- Boy's Youth Hurley Board Shorts SwimOpens in a new window or tabBrand New$19.99Buy It NowFree delivery in 2 daysFree returnsSave up to 10% when you buy moreTop Rated Plus
- Wonder Nation Boys "Sharks & Stripes" Quick Dry Swim Trunks, Size XXL(18)/NewOpens in a new window or tabBrand New$5.60Was: $8.0030% offBuy It Now+$5.88 deliveryExtra 10% off with coupon
- Size 12 Youth Crewcuts by jcrew boys navy blue, blue and green Fish swim trunksOpens in a new window or tabPre-Owned$12.95or Best Offer+$6.55 delivery
- Boys NWT Abercrombie LOT of 2 Swim Trunks Swimtrunks Red Blue & Navy sz 11/12Opens in a new window or tabBrand New$20.00Buy It Now+$5.95 delivery
- Boys BOARD SHORTS Swim SHARKS Abstract Stripe BLACK GRAY TEAL Pockets XXL / 18Opens in a new window or tabNew (Other)$18.00Buy It NowFree deliveryFree returns
- Rash guard short sleeve Kids XXL Wonder Nation Blue/GreenOpens in a new window or tabBrand New$8.05or Best Offer+$8.55 delivery
- Vineyard Vines Blue & Pink Striped Swim Trunks Youth Boys Size 12-14Opens in a new window or tabPre-Owned$24.00or Best Offer+$4.84 delivery
- Xersion Boys Size XS(6/7) Black Swim Trunks ShortsOpens in a new window or tabBrand New$15.00Buy It Now+$6.99 deliveryFree returns
- Cat & Jack Boys 3 Color Tiered Swim Trunks Swimsuit Size XL 16 HuskyOpens in a new window or tabBrand New$6.99Buy It Now+$4.29 deliveryFree returnsSave up to 20% when you buy moreTop Rated Plus
- Lands’ End Boy XXL 18-20 Neon Green Short Sleeve Swim Suit Rash Guard ShirtOpens in a new window or tabBrand New$14.00or Best Offer+$5.50 delivery
- Lot Of 6 HANNA ANDERSSON Sz.150 Boys Swim Shorts Swim TrunksOpens in a new window or tabPre-Owned$25.000 bids · Time left1d 1h$33.00Buy It Now+$13.31 delivery
- Art Class Boys Hybrid Swim Shorts Adj waist UPF Pockets Green Size 12 Husky NewOpens in a new window or tabBrand New$4.99Was: $9.9950% offBuy It Now+$4.84 deliveryFree returns
- Crewcuts Boys Beach Trunks Starfish Print Blue Sz 12 NWTOpens in a new window or tabBrand New$20.00or Best Offer+$4.84 delivery
- Wonder Nation Youth Boys Striped Board Short Swim Trunks Sz XXL/18Opens in a new window or tabPre-Owned$12.00or Best Offer+$6.40 delivery
- New! Boy's NIKE Green Logo Swim Trunks Size Medium 10/12Opens in a new window or tabBrand New$29.95or Best Offer+$5.95 delivery
- NWT Salt Life Boys Performance Swim / Active Trunks Size Large 10/12Opens in a new window or tabBrand New$20.00or Best Offer+$4.84 deliveryLast one
- Mossy Oak Fishing Swim Shorts NWT Boys Size XXL 18 Blue-Green Elements CamoOpens in a new window or tabBrand New$9.07Was: $12.9530% offor Best Offer+$6.55 delivery
- SAINT EVE SWIM Hooded Robe Swim Cover Up Blue Camo Shark Hood Size XS 5/6Opens in a new window or tabPre-Owned$9.60Was: $12.0020% offBuy It Now+$10.16 delivery
- Well Dressed Wolf 11-12 NWT Malibu Palms Boys Prep Swim Shorts Trunks LA1-311Opens in a new window or tabBrand New$25.49Was: $29.9915% offor Best Offer+$4.84 delivery
- NWT Disney Store STAR WARS ADAPTIVE STORMTROOPER SWIMSUIT Boys XS BLACK WHITEOpens in a new window or tabBrand New$21.99or Best Offer+$4.84 delivery
- Off White For Swimming Trunks Shorts Youth Extra Extra Large Fluorescent GreenOpens in a new window or tabPre-Owned$59.99or Best Offer+$6.25 deliveryFree returns
- 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
- Billabong toddler swim surf trunks Bathing Suit Size 2TOpens in a new window or tabNew (Other)$20.00or Best Offer+$5.00 delivery
- Speedo Caged Out Jammer Youth Swimsuit Size 26 Black & RedOpens in a new window or tabPre-Owned$9.99Buy It Now+$9.45 delivery
- TYR Boys Durafast Hexa Blade Racer Brief Swimsuit Navy and Red sz 28 *NEW*Opens in a new window or tabBrand New$23.99or Best OfferFree deliverySave up to 20% when you buy more
- Vilebrequin Youth Boys Sz 12 Mahina Mini Fishes Swim Trunk Red Drawstring D*Opens in a new window or tabPre-Owned$19.95or Best Offer+$8.84 deliveryExtra 25% off with coupon
- Hurley Youth Long Sleeve UPF 50+ Swim Top Black Size 10/12Opens in a new window or tabBrand New$9.95Buy It NowFree delivery
- Tea Collection Checkered Mid-Length Swim Trunks Shorts UPF 50 Swimwear Boys 12Opens in a new window or tabBrand New$11.24Was: $14.9925% offor Best Offer+$6.99 deliveryFree returnsSave up to 20% when you buy moreTop Rated Plus
- Arizona Boys Swim Trunks Orange Gray Size XS (6-7)Opens in a new window or tabPre-Owned$3.99or Best Offer+$4.99 delivery
- New U.S. Polo Assn. Boys Red Swim Shorts Trunks Pockets Sz 4-5 XS (U16)Opens in a new window or tabBrand New$12.99Buy It NowFree deliveryLast one
- Boys Size 5/6 Saint Eve 2-Piece Set Dinosaur Beach Cover Up & Swim Trunks GreenOpens in a new window or tabBrand New$31.45Was: $34.9510% offBuy It NowFree deliveryFree returnsLast one
- Kids Boy Swimwear One Piece Swimsuit UPF 50+ Rash Guard Long Sleeve WetsuitOpens in a new window or tabNew (Other)$9.95 to $28.31Was: $28.668% offBuy It NowFree deliveryfrom China
- AVIATOR NATION BOYS SWIM TRUNKS Bathing Suit SHORTS Sz 12 Kids Black Brand NewOpens in a new window or tabBrand New$49.99Buy It Now+$4.84 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)
