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- BOY’S JOHNNIE-O SWIM TRUNKS - SIZE 12Opens in a new window or tabPre-Owned$12.00Was: $20.0040% offor Best Offer+$6.55 delivery
- Rokka&Rolla Boys' 4-Way Stretch Swim Trunks Board Shorts Bathing Suit SwimwearOpens in a new window or tabBrand New$26.50Was: $37.8630% offBuy It NowFree deliveryFree returnsTop Rated Plus
- New! Boy's Under Armour Logo Swim Trunks Size Medium 10/12Opens in a new window or tabBrand New$29.95or Best Offer+$5.95 delivery
- LACOSTE Boys Swim Shorts Size 12 Lacoste Logo 1927Opens in a new window or tabPre-Owned$14.99or Best Offer+$8.99 deliveryFree returns
- Speedo Youth Size 12 Black Swim Jammers - NWT!Opens in a new window or tabBrand New$14.95Buy It NowFree delivery
- New Columbia Super Backcast Youth Swim Shorts Sz M 10/12Opens in a new window or tabBrand New$10.00Buy It Now+$8.55 delivery
- Billabong UVSurf UFP 50+ Black Long Sleeve Swim Shirt Boys Size Medium Size 12Opens in a new window or tabPre-Owned$11.99or Best Offer+$5.99 delivery in 2-4 days
- NWT Billabong Boys Dr.Seuss "Grinch Aloha" Board Shorts Swim Trunks Sz Medium/12Opens in a new window or tabBrand New$33.00Buy It Now+$6.40 delivery
Picked For You
Top selling items from trusted sellers | Sponsored- Hurley Boy's Checkered Shark Boardshorts, Size 12/26Opens in a new window or tab$14.99edeflore87 (8,754) 99.9%
- Nintendo Super Mario Bros Swim Trunks Size 10/12Opens in a new window or tab$12.00insertcoinscollectibles (1,198) 99.6%
- Speedo Boys Medley Logo Swim Shorts (GT1947)Opens in a new window or tab$23.95pertemba (303,833) 98.6%
- Hurley Kids' Boys' Youth Striped Logo Boardshorts - Navy/LimeOpens in a new window or tab$19.99sonicgears (69,634) 99.6%Buy 1, get 1 20% off with coupon
- BOY’S JOHNNIE-O Boys SWIM TRUNKS Shorts - SIZE 12 *****READ*** BlueOpens in a new window or tab$22.99thatchickfromthegym (2,540) 99.6%
- Lee Cooper Boys' Swim Trunks. Color Black. Gift For Child Aged 4 ToOpens in a new window or tab$18.24a-bijoux (11,173) 99.7%
- AUTH NEW GIVENCHY PARIS RED LOGO PRINT BOYS SWIM SHORTS TRUNKS PANTS SZ 12+ $220Opens in a new window or tabNew (Other)$85.00or Best Offer+$4.95 delivery
- NEW NWT Hurley Phantom Boys Kids Board Shorts Surf Swim Trunks - Blue Pink GreenOpens in a new window or tabBrand New$13.49or Best Offer+$8.71 delivery
- Janie and Jack Big Boys 12 yrs Swim Shorts Trunks Aqua Blue Plant Mesh LinerOpens in a new window or tabPre-Owned$11.50Buy It Now+$4.85 delivery
- Moncler blue swimsuit boxer style stripes on the sides, logo patch 12YOpens in a new window or tabBrand New$99.00or Best Offer+$19.00 deliveryfrom Greece
- Volcom Boys 12 Blue Ice Plaid Boardshorts Swim Surf Trunks Pocket Logo SpelloutOpens in a new window or tabPre-Owned$20.00or Best Offer+$7.35 deliveryFree returnsTop Rated Plus
- 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
- 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
- New! Boy's Under Armour Logo Swim Trunks Size Medium 10/12Opens in a new window or tabBrand New$29.95or Best Offer+$5.95 delivery
- Maui & Sons Swim/Board Trunks-Boys Size 12-Stripes-Waves Lime-Turquoise-GreyOpens in a new window or tabPre-Owned$16.99or Best Offer+$6.55 deliveryExtra 10% off with coupon
- Tom & Teddy Big Boys ( 11/12 ) Swim Shorts Trunks Mesh Liner Sardines FishOpens in a new window or tabPre-Owned$9.99Buy It Now+$4.98 delivery
- Hurley Boy's Checkered Shark Boardshorts, Size 12/26Opens in a new window or tabPre-Owned$14.99or Best OfferFree deliveryFree returnsTop Rated Plus
- Vans Boardshorts Kids Boys Size 26 Size 12. New with tags. Swim TrunksOpens in a new window or tabBrand New$19.99or Best Offer+$4.99 delivery
From our popular brands
Based on number of views and purchases | Sponsored- GapPre-Owned$11.99+$6.00 delivery
- SpeedoPre-Owned$13.19+$4.94 deliveryExtra 25% off with coupon
- HurleyPre-Owned$15.00+$5.95 delivery
- ArtBrand New$9.99+$6.55 deliveryExtra 10% off with coupon
- ArtBrand New$7.99+$4.82 delivery
- NikePre-Owned$12.90+$11.00 delivery
- Quiksilver Boys Youth XS/8 Long Sleeve UV Rash Guard White All Time LogoOpens in a new window or tabBrand New$17.99Buy It Now+$5.21 delivery
- NEW Speedo Rash Guard Swim Shirt blue boys sz XS 6/7 short sleeve, sunblockingOpens in a new window or tabBrand New$9.95Buy It Now+$5.00 delivery10% off 2+ with coupon
- NWT Tommy Hilfiger Boys White Short-Sleeve Logo Rashguard T-Shirt Size M/12/14Opens in a new window or tabBrand New$14.99or Best Offer+$4.84 delivery
- Vans Youth Boys Swim Surf Stretch Board Shorts - Blue Aloha Print Size 26 / 12Opens in a new window or tabPre-Owned$15.49Was: $16.848% offBuy It Now+$6.99 delivery
- Nike 6.0 Board Shorts Boy Sz 12 Jellyfish Black Swim Trunks Unlined MediumOpens in a new window or tabPre-Owned$14.99or Best Offer+$5.00 delivery
- Speedo Youth Size 12 Black Swim Jammers - NWT!Opens in a new window or tabBrand New$15.00or Best Offer+$6.00 deliveryExtra 10% off with coupon
- Hurley Kids' Boys' Youth Striped Logo Boardshorts - Navy/LimeOpens in a new window or tabBrand New$19.99List price: $50.0060% offBuy It NowFree delivery in 2-4 daysBuy 1, get 1 20% off with coupon
- New! Boy's Zero Xposur Swim Trunks and Goggles Size Medium 10/12Opens in a new window or tabBrand New$24.95or Best Offer+$6.95 delivery
- Abercrombie Kids Swim Trunks Bathing Suit Confetti Board Shorts Kids Size 11/12Opens in a new window or tabPre-Owned$12.99or Best Offer+$8.71 delivery
- GAP Surf Kids Board Swim Shorts Boy XL (12) Reg Navy & Red Striped Very Nice EUCOpens in a new window or tabPre-Owned$11.99or Best Offer+$6.00 deliveryFree returnsTop Rated Plus
- Nintendo Super Mario Bros Swim Trunks Size 10/12Opens in a new window or tabPre-Owned$12.00or Best OfferFree delivery
- Speedo Shorts Boys 12 Black Jammer Nylona Spandex Blend Drawstring SwimOpens in a new window or tabPre-Owned$13.19Was: $23.9945% offor Best Offer+$4.94 deliveryFree returnsExtra 25% off with couponTop Rated Plus
- THE ENDLESS SUMMER Boy's Logo Drawstring Swim Shorts Teal 12Opens in a new window or tabBrand New$34.99Buy It NowFree delivery
- The North Face Boys Swim Shorts Trunks XS 6 Logo Allover Print Digital Camo AOPOpens in a new window or tabPre-Owned$13.49or Best Offer+$5.49 delivery
- The North Face Boys' Logo Print Amphibious Water Shorts Black Size XS 1347Opens in a new window or tabBrand New$18.00Was: $40.0055% offBuy It Now+$6.00 deliveryFree returnsTop Rated Plus
- New! Boy's Zero Xposur Swim Trunks and Goggles Size Medium 10/12Opens in a new window or tabBrand New$24.95or Best Offer+$6.95 delivery
- Arena Men's Swimming Grey Swim Trunk 26 Swimwear Bath Short Swimsuit Boxer XSOpens in a new window or tabBrand New$19.90or Best Offer+$8.90 deliveryfrom CyprusFree 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
- NwT Oneill Boy's Performance 50+ SPF Color. WHITE Shirt Size 12 Logo Slim fitOpens in a new window or tabBrand New$18.99Buy It Now+$6.35 delivery in 2-4 daysExtra 20% off with coupon
- Speedo Boys Medley Logo Swim Shorts (GT1947)Opens in a new window or tabBrand New$23.95 to $30.20List price: $31.6424% offBuy It NowFree deliveryfrom United Kingdom
- Art Class Kids Boy's Size 12 Swim Trunks Shorts Light Pink Peach UPF 50+Opens in a new window or tabBrand New$9.99or Best Offer+$6.55 deliveryExtra 10% off with coupon
- NWT Hurley Boys Kids Board Shorts Swim Trunks Surf -White Stripe w/ Rainbow LogoOpens in a new window or tabBrand New$24.95Buy It NowFree deliveryFree returnsSave up to 20% when you buy moreTop Rated Plus
- Sz 4-16 Boys Pokemon Swim Trunks Shorts Swimsuit Rash Guard Shirt Set Pikachu!Opens in a new window or tabBrand New$28.11Was: $29.906% offBuy It Now+$4.89 delivery
- Da Hui Youth Boys Size 12 Long Sleeved Rash Guard Shirt Blue BlackOpens in a new window or tabPre-Owned$9.99Buy It Now+$5.99 delivery in 2-4 days
- Wailoa Board Shorts Boys Size 12. Black/white 26” WaistOpens in a new window or tabPre-Owned$13.99or Best Offer+$5.99 delivery
- Hurley Boys' Size 12 Board Shorts Striped, No Liner, Beach Kidcore Surf SwimOpens in a new window or tabPre-Owned$19.99or Best Offer+$7.81 delivery
- Buc Ees Youth XS Swim Shorts Boys YXS Black Beaver Logo DrawstringOpens in a new window or tabPre-Owned$10.99or Best Offer+$5.89 delivery
- CHAMPION Boys Swim Trunks Shorts Size Large (11-12) BlueOpens in a new window or tabPre-Owned$7.00or Best Offer+$4.14 delivery
- Speedo - Boys Hawaiian - Swim Trunks - NWT!Opens in a new window or tabBrand New$16.00or Best Offer+$6.00 delivery
- THE NORTH FACE Boy's Class V Water Shorts - Turkish Sea Logo & Phantom Print XSOpens in a new window or tabBrand New$11.24Was: $14.9925% offBuy It Now+$7.50 deliveryFree returnsTop Rated Plus
- Pokemon Swim Trunks Boys Large Pikachu Blue Gray Stripes Spell Out Logo ShortsOpens in a new window or tabNew (Other)$14.50Buy It Now+$4.84 delivery
- No Boundaries Kids Size 12 Aquawave Black Rash Guard Short Sleeve Swim SurfOpens in a new window or tabPre-Owned$8.50Was: $10.0015% offor Best Offer+$5.99 deliveryFree returnsExtra 20% off with couponTop Rated Plus
- Maui and Sons Boy's 12 Swimming Board Shorts Trunks Colorful Stretch PocketsOpens in a new window or tabPre-Owned$2.90Was: $7.2560% offor Best Offer+$6.95 deliveryFree returnsTop Rated Plus
- Quicksilver Boys Swim Trunks Drawstring Side Pockets Blue Size XSOpens in a new window or tabPre-Owned$24.00Buy It Now+$4.84 deliveryFree returns
- Wonder Nation Aloha Vacation Hawaii Tropical Boys Swim Shorts Large 10/12Opens in a new window or tabPre-Owned$12.97or Best Offer+$4.44 delivery
- Colorblock Swim Trunks Art Class Light Pink Size 12 UPF 50+ Swim Trunks PocketOpens in a new window or tabBrand New$7.99Buy It Now+$4.82 delivery
- UV Skinz Kids UPF 50+ Swim Trunks Sz 12 Board Shorts Blue Yellow Beach EUCOpens in a new window or tabPre-Owned$12.36Was: $14.5415% offor Best Offer+$6.55 deliveryExtra 10% off with coupon
- Disney Junk Food Mickey Mouse Swim Shorts Size XS (4/5)Opens in a new window or tabPre-Owned$29.00or Best OfferFree delivery
- Arena Boys Logo Graphic Swim Jammer - Blue River/WaterOpens in a new window or tabBrand New$35.99Buy It Now+$19.99 deliveryfrom United Kingdom
- Hurley L61261 Big Boys Bandana Tie-Dye Swim Board Shorts Size LOpens in a new window or tabBrand New$35.00Buy It Now+$5.20 deliveryFree returnsExtra 15% off with couponTop Rated Plus
- Brand New Boys Vans The Daily Always Aloha Boardshort Waterfall Size 26/12Opens in a new window or tabBrand New$24.00Was: $40.0040% offBuy It NowFree delivery
- Rusty Board Shorts Swimwear Boys Size 12 Blue Gray Trunks Adjustable DrawstringOpens in a new window or tabBrand New$10.78Was: $11.9810% offBuy It Now+$6.98 delivery
- Hype Floral Stripe Swim Shorts Boys XS Black White Tropical LogoOpens in a new window or tabPre-Owned$14.99or Best OfferFree deliveryFree returns
- Cat & Jack Blue Yellow Floral Aloha Swim Trunks Boys Toddler Sz XS 4-5Opens in a new window or tabPre-Owned$7.71Was: $11.5033% offor Best Offer+$6.55 delivery
- NWT O’Neill Boy's Sz 12 Ash & Silver UV 5oz Logo 1/2 Sleeve Rashguard Swim ShirtOpens in a new window or tabBrand New$7.70Was: $14.0045% offor Best Offer+$7.95 delivery
- BOY’S JOHNNIE-O Boys SWIM TRUNKS Shorts - SIZE 12 *****READ*** BlueOpens in a new window or tabPre-Owned$22.99Buy It NowFree delivery
- Speedo Boy's Training Swim Jammer - 2025Opens in a new window or tabBrand New$29.50Buy It Now+$14.25 delivery
- Hurley Boys 12/26 Boardshorts Drawstring Tropical Hawaiian Floral Swim ShortsOpens in a new window or tabPre-Owned$15.00or Best Offer+$5.95 delivery
- Billabong Neon Gradient Diamond Print Board Shorts NEW Boys 26 12/14Opens in a new window or tabBrand New$54.64or Best OfferFree delivery
- Kanu Surf Boys Girl Long-Sleeve Platinum UPF 50+ Rash guard AQUA Size 12Opens in a new window or tabBrand New$20.99Was: $29.9930% offBuy It Now+$7.00 deliveryExtra 10% off with coupon
- Buc-ees All Over Print Youth Boys XS Swim Trunks Shorts Tropical Floral BuceesOpens in a new window or tabPre-Owned$9.99or Best Offer+$4.84 delivery
- Boardies Apparel Kids Boy's White Logo Rash Guard Swimwear Size 12Opens in a new window or tabBrand New$17.48Was: $49.9565% offor Best Offer+$9.99 delivery in 2-4 days
- Nike Vtge Swimming Shorts Logo Maroon 3 Zipped Pockets RM 56323 Boys UK 6-8Opens in a new window or tabPre-Owned$12.90or Best Offer+$11.00 deliveryfrom Belarus
- Lee Cooper Boys' Swim Trunks. Color Black. Gift For Child Aged 4 ToOpens in a new window or tabBrand New$18.24Buy It NowFree deliveryfrom France
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