Skip to main content
Hi !Hi! Sign in or registerDaily DealsBrand OutletGift CardsHelp & Contact
Sell
Watchlist
My eBay
  • Summary
  • Recently Viewed
  • Bids/Offers
  • Watchlist
  • Purchase History
  • Buy Again
  • Selling
  • Saved Feed
  • Saved Searches
  • Saved Sellers
  • My Garage
  • Sizes
  • My Collection
  • Messages
  • PSA Vault
Please sign-in to view notifications.
Loading...
eBay Home
Advanced
Sponsored
Sponsored
Sponsored

Filter

    • Category

      • Boys' Clothing (Sizes 4 & Up)
        • Selected categorySwimwear
      • Size

        XSSMLXLFilter Applied2XL4Filter Applied4-5581010-1214-16161820
      • Character

        • Blue (40) Items (40)
          Filter Applied
        • Boy (1,021) Items (1,021)
        • Spider-Man (14) Items (14)
        • Batman (9) Items (9)
        • Snike (7) Items (7)
        • Tommy (6) Items (6)
        • Black Panther (5) Items (5)
        • Superman (5) Items (5)
      • Brand

        • Nike (3) Items (3)
        • Cat & Jack (3) Items (3)
        • Old Navy (3) Items (3)
        • Southern Tide (3) Items (3)
        • Billabong (1) Items (1)
        • Lands' End (2) Items (2)
        • Vineyard Vines (1) Items (1)
        • Op (2) Items (2)
      • Color

        • Black
        • Blue
        • Gray
        • Green
        • Multicolor
        • Red
        • White
        • Yellow
      • Swim Bottom Style

        • Trunks (19) Items (19)
        • Board Shorts (8) Items (8)
        • Swim Shorts (11) Items (11)
        • Not Specified (6) Items (6)
      • Type

        • Rash Guard (4) Items (4)
        • Bottom (30) Items (30)
        • Wetsuit (1) Items (1)
        • Top (4) Items (4)
        • One Piece (1) Items (1)
        • Not Specified (2) Items (2)
      • Theme

        • Beach (9) Items (9)
        • Colorful (8) Items (8)
        • Logo (5) Items (5)
        • Fish (3) Items (3)
        • Novelty (3) Items (3)
        • American (2) Items (2)
        • Art (2) Items (2)
        • Dinosaurs (2) Items (2)
      • Features

        • Pockets (11) Items (11)
        • Lined (9) Items (9)
        • Drawstring (7) Items (7)
        • Elastic Waist (5) Items (5)
        • Lightweight (4) Items (4)
        • Quick Dry (4) Items (4)
        • Breathable (3) Items (3)
        • Built-In Brief (3) Items (3)
      • Material

        • Polyester (24) Items (24)
        • 100% Polyester (15) Items (15)
        • Spandex (4) Items (4)
        • Nylon (3) Items (3)
        • 100% Nylon (1) Items (1)
        • Cotton (1) Items (1)
        • Cotton Blend (1) Items (1)
        • Leather (1) Items (1)
      • Performance/Activity

        • Surfing (16) Items (16)
        • Recreational (10) Items (10)
        • Water Polo (5) Items (5)
        • Competition (4) Items (4)
        • Lifeguard (4) Items (4)
        • Training (4) Items (4)
        • Not Specified (23) Items (23)
    • Price

      • Under $8.00
      • $8.00 to $15.00
      • Over $15.00
      $
      to
      $
      Please provide a valid price range
      Available inventory
      $0
      $1000+
    • Condition

      • New with tags (15) Items (15)
      • New without tags (3) Items (3)
      • Pre-Owned (22) Items (22)
    • Buying Format

    • Item Location

      • Within25 mi
    • Shipping and pickup

      • Arrives in 2-4 days
      • Free Shipping
      • Local Pickup within25 miles
    • Show only

      • Free Returns
        Filter Applied
      • Returns Accepted
      • Authorized Seller
      • Completed Items
      • Sold Items
      • Deals & Savings
      • Authenticity Guarantee

40 results

  • All
  • Auction
  • Buy It Now
  • All Listings- Filter Applied
  • Auction
  • Buy It Now
  • Any Condition- Filter Applied
  • New with tags
  • New without tags
  • Pre-Owned
  • Arrives in 2-4 days
  • Free Shipping
  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
  • List View
  • Shop on eBay
    Shop on eBay
    Opens in a new window or tab
    Brand New
    $20.00
    or Best Offer
    Sponsored
  • Shop on eBay
    Shop on eBay
    Opens in a new window or tab
    Brand New
    $20.00
    or Best Offer
    Sponsored
    • Free ReturnsRemove filter
    • BlueRemove filter
    • XLRemove filter
    • Size: 4Remove filter
    • Clear AllFilters
    • Vineyard Vines Swim Trunks Boys XL Blue Pink Stiped Logo Drawstring Bathing Suit
      Vineyard Vines Swim Trunks Boys XL Blue Pink Stiped Logo Drawstring Bathing Suit
      Opens in a new window or tab
      Pre-Owned
      $20.00
      or Best Offer
      +$9.45 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Gerry Board Shorts Swim Trunks XL 18/20 Boys Blue Sharks w/ Swim Googles
      Gerry Board Shorts Swim Trunks XL 18/20 Boys Blue Sharks w/ Swim Googles
      Opens in a new window or tab
      Brand New
      $23.97
      Buy It Now
      Free delivery
      Free returns
      15% off with coupon. Max $100 off
      Sponsored
      Top Rated Plus
    • Cat & Jack Boys SZ 4T Red/White/Blue Rash Guard TGT 🎯 swim shirt NWT
      Cat & Jack Boys SZ 4T Red/White/Blue Rash Guard TGT 🎯 swim shirt NWT
      Opens in a new window or tab
      Brand New
      $9.99
      or Best Offer
      +$5.95 delivery
      Free returns
      Sponsored
    • Nike Swim Trunks Boys XL Blue Orange Geometric Mesh Lining Shorts Beach Summer
      Nike Swim Trunks Boys XL Blue Orange Geometric Mesh Lining Shorts Beach Summer
      Opens in a new window or tab
      Pre-Owned
      $7.77
      Was: $12.9540% off
      or Best Offer
      +$6.49 delivery in 2-4 days
      Free returns
      Sponsored
      Top Rated Plus
    • Cat & Jack Boys 3 Color Tiered Swim Trunks Swimsuit Size XL 16 Husky
      Cat & Jack Boys 3 Color Tiered Swim Trunks Swimsuit Size XL 16 Husky
      Opens in a new window or tab
      Brand New
      5.0 out of 5 stars.
      (5)5 product ratings - Cat & Jack Boys 3 Color Tiered Swim Trunks Swimsuit Size XL 16 Husky
      $6.99
      Buy It Now
      +$4.29 delivery
      Free returns
      Save up to 20% when you buy more
      Sponsored
      Top Rated Plus
    • DC COMICS BATMAN Boys Sz 4T Blue Yellow SWIM BOARD SHORTS Swimming Trunk Toddler
      DC COMICS BATMAN Boys Sz 4T Blue Yellow SWIM BOARD SHORTS Swimming Trunk Toddler
      Opens in a new window or tab
      Pre-Owned
      $8.92
      Was: $12.7530% off
      or Best Offer
      +$4.97 delivery in 2-4 days
      Free returns
      Sponsored
      Top Rated Plus
    • GENETX Youth Boys Swim Trunks Board Shorts XL Mesh Brief Surfer Red Orange Blue
      GENETX Youth Boys Swim Trunks Board Shorts XL Mesh Brief Surfer Red Orange Blue
      Opens in a new window or tab
      Pre-Owned
      $5.99
      Was: $19.9570% off
      Buy It Now
      +$6.40 delivery
      Free returns
      Sponsored
    • Lands' End Boys 4 / Small Swim Trunks Bathing Suit Red Blue Palm Leaf Lined
      Lands' End Boys 4 / Small Swim Trunks Bathing Suit Red Blue Palm Leaf Lined
      Opens in a new window or tab
      Pre-Owned
      $2.75
      or Best Offer
      +$5.99 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Unworn LAGUNA 4T Aqua Blue White RASH GUARD Swim Top S/S Surf Shirt Toddler
      Unworn LAGUNA 4T Aqua Blue White RASH GUARD Swim Top S/S Surf Shirt Toddler
      Opens in a new window or tab
      Pre-Owned
      $7.75
      Buy It Now
      +$4.97 delivery in 2-4 days
      Free returns
      Sponsored
      Top Rated Plus
    • SOUTHERN TIDE BOY'S BLUE SEA SHORE SWIM TRUNKS, Size XL
      SOUTHERN TIDE BOY'S BLUE SEA SHORE SWIM TRUNKS, Size XL
      Opens in a new window or tab
      Brand New
      $45.98
      or Best Offer
      Free delivery
      Free returns
      Sponsored
    • Zero Xposure Microfiber Board Shorts Swim Trunks Sz: XL 18/20 UPF50 $30
      Zero Xposure Microfiber Board Shorts Swim Trunks Sz: XL 18/20 UPF50 $30
      Opens in a new window or tab
      Brand New
      $14.44
      Buy It Now
      Free delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Oxide YOUTH Swimwear Long Sleeve Rash Guard Blue - Size 4
      Oxide YOUTH Swimwear Long Sleeve Rash Guard Blue - Size 4
      Opens in a new window or tab
      Brand New
      $14.99
      or Best Offer
      Free delivery
      Free returns
      Sponsored
    • Boys Swim Trunks BOARD SHORTS Lined BLUE GRAY WHITE STRIPE Pockets XL 16-18
      Boys Swim Trunks BOARD SHORTS Lined BLUE GRAY WHITE STRIPE Pockets XL 16-18
      Opens in a new window or tab
      New (Other)
      $18.00
      Buy It Now
      Free delivery
      Free returns
      Sponsored
    • OP Ocean Pacific Board Shorts Boys Size 4-5 Lined Blue Black and Green
      OP Ocean Pacific Board Shorts Boys Size 4-5 Lined Blue Black and Green
      Opens in a new window or tab
      Pre-Owned
      $12.95
      or Best Offer
      +$5.99 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Lands End Boys 4T Swim Shirt Blue Short Sleeve
      Lands End Boys 4T Swim Shirt Blue Short Sleeve
      Opens in a new window or tab
      Pre-Owned
      $7.47
      Was: $9.0017% off
      or Best Offer
      +$6.79 delivery
      Free returns
      Sponsored
    • cat and jack boys swim trunks XL  Blue Stretch Green Black
      cat and jack boys swim trunks XL Blue Stretch Green Black
      Opens in a new window or tab
      Pre-Owned
      $2.47
      Was: $4.9350% off
      or Best Offer
      +$10.55 delivery
      Free returns
      Sponsored
    • Boys Swim Trunks JUSTICE LEAGUE Orange Blue Yellow Stripe FLASH BATMAN... Size 4
      Boys Swim Trunks JUSTICE LEAGUE Orange Blue Yellow Stripe FLASH BATMAN... Size 4
      Opens in a new window or tab
      New (Other)
      $16.00
      Buy It Now
      Free delivery
      Free returns
      Last one
      Sponsored
    • Old Navy Gender-Neutral Hybrid Swim Shorts XL(14-16) Blk - kids or small adults
      Old Navy Gender-Neutral Hybrid Swim Shorts XL(14-16) Blk - kids or small adults
      Opens in a new window or tab
      Pre-Owned
      $14.99
      or Best Offer
      Free delivery
      Free returns
      Sponsored
    • B Split Swim Boys XL Black Green Cargo Pockets Drawstring Surf Board Shorts
      B Split Swim Boys XL Black Green Cargo Pockets Drawstring Surf Board Shorts
      Opens in a new window or tab
      Pre-Owned
      $7.99
      Buy It Now
      +$5.80 delivery
      Free returns
      Sponsored
    • Tommy Bahama Relax Boys Rashguard Teal Multicolor Size XL 00857
      Tommy Bahama Relax Boys Rashguard Teal Multicolor Size XL 00857
      Opens in a new window or tab
      Brand New
      $13.29
      Was: $18.9930% off
      or Best Offer
      +$5.00 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Gerry Board Shorts Swim Trunks XL 18/20 Boys Blue Gray Shorts w/ Swim Googles
      Gerry Board Shorts Swim Trunks XL 18/20 Boys Blue Gray Shorts w/ Swim Googles
      Opens in a new window or tab
      Brand New
      $23.97
      Buy It Now
      Free delivery
      Free returns
      15% off with coupon. Max $100 off
      Sponsored
      Top Rated Plus
    • Kuna Sur Board Shorts Boys XL (18/20) Specter Quick Dry UPF 50+ Lightweight Swim
      Kuna Sur Board Shorts Boys XL (18/20) Specter Quick Dry UPF 50+ Lightweight Swim
      Opens in a new window or tab
      Brand New
      $7.99
      or Best Offer
      +$6.99 delivery
      Free returns
      Sponsored
    • Nike Kid’s Mash-Up Volley Short Swim Trunks Board Short Blue NESSD809-440
      Nike Kid’s Mash-Up Volley Short Swim Trunks Board Short Blue NESSD809-440
      Opens in a new window or tab
      Brand New
      $20.19
      Was: $34.4341% off
      Buy It Now
      Free delivery
      Free returns
      Extra 5% off with coupon
      Sponsored
    • Boys Swim Trunks BATMAN & LOGO Blue Yellow Black SUPERHERO Rear Pocket SIZE 4
      Boys Swim Trunks BATMAN & LOGO Blue Yellow Black SUPERHERO Rear Pocket SIZE 4
      Opens in a new window or tab
      New (Other)
      $16.00
      Buy It Now
      Free delivery
      Free returns
      Sponsored
    • Boys XL 14 16 OP Ocean Pacific T-Rex Surfing Dinosaur Swim Trunk Board Shorts
      Boys XL 14 16 OP Ocean Pacific T-Rex Surfing Dinosaur Swim Trunk Board Shorts
      Opens in a new window or tab
      Pre-Owned
      $9.99
      or Best Offer
      +$5.80 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • New Boy's Swim Trunks Shorts Blue & White  Sea World Size 4 With Pockets
      New Boy's Swim Trunks Shorts Blue & White Sea World Size 4 With Pockets
      Opens in a new window or tab
      Brand New
      $10.50
      Was: $15.0030% off
      or Best Offer
      +$3.50 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Ocean Pacific Boys Swim Trunks Blue White XL 14-16 Youth Board Surf Beach Lined*
      Ocean Pacific Boys Swim Trunks Blue White XL 14-16 Youth Board Surf Beach Lined*
      Opens in a new window or tab
      Pre-Owned
      $13.99
      Was: $19.9830% off
      or Best Offer
      +$9.98 delivery in 2-4 days
      Free returns
      Extra 10% off with coupon
      Sponsored
      Top Rated Plus
    • BILLABONG- (BLUE/YELLOW/GREY) BOYS WATER SHORTS *7/XL* *
      BILLABONG- (BLUE/YELLOW/GREY) BOYS WATER SHORTS *7/XL* *
      Opens in a new window or tab
      Pre-Owned
      $5.00
      Buy It Now
      +$8.99 delivery
      Free returns
      Sponsored
    • Arizona Swim Trunks Bathing Suit Liner Pocket Surf Board Beach Graphic Boys XL
      Arizona Swim Trunks Bathing Suit Liner Pocket Surf Board Beach Graphic Boys XL
      Opens in a new window or tab
      Pre-Owned
      $10.00
      or Best Offer
      +$6.40 delivery
      Free returns
      Sponsored
    • Nike Boys XL Extra Large Swimsuit Trunks Black Green Logo Mesh Lined Back Pocket
      Nike Boys XL Extra Large Swimsuit Trunks Black Green Logo Mesh Lined Back Pocket
      Opens in a new window or tab
      Pre-Owned
      $14.98
      or Best Offer
      Free delivery
      Free returns
      Sponsored
    • The North Face Class V. Water Shorts- Boys *(XL)
      The North Face Class V. Water Shorts- Boys *(XL)
      Opens in a new window or tab
      Brand New
      $34.98
      or Best Offer
      Free delivery
      Free returns
      Sponsored
    • Kanu Surf Boys' Viper Quick Dry UPF 50- Beach Swim, Tie Dye Blue Size 4T
      Kanu Surf Boys' Viper Quick Dry UPF 50- Beach Swim, Tie Dye Blue Size 4T
      Opens in a new window or tab
      Pre-Owned
      $10.95
      Was: $13.6920% off
      or Best Offer
      +$3.99 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Art Class Swim Board Shorts Boys Size 18  Blue  Adjustable Waist
      Art Class Swim Board Shorts Boys Size 18 Blue Adjustable Waist
      Opens in a new window or tab
      Pre-Owned
      $9.99
      or Best Offer
      +$6.30 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Old Navy Boys Size 4T Yellow Blue Caution I Bite Swim Top Shark
      Old Navy Boys Size 4T Yellow Blue Caution I Bite Swim Top Shark
      Opens in a new window or tab
      Pre-Owned
      $7.90
      or Best Offer
      +$5.85 delivery
      Free returns
      Sponsored
    • SOUTHERN TIDE BOY'S BLUE SEA SHORE SWIM TRUNKS, Size XL
      SOUTHERN TIDE BOY'S BLUE SEA SHORE SWIM TRUNKS, Size XL
      Opens in a new window or tab
      Brand New
      $63.57
      Buy It Now
      +$10.00 delivery
      Free returns
      Sponsored
    • SOUTHERN TIDE BOY'S BLUE SEA SHORE SWIM TRUNKS, Size XL
      SOUTHERN TIDE BOY'S BLUE SEA SHORE SWIM TRUNKS, Size XL
      Opens in a new window or tab
      Brand New
      $58.97
      Buy It Now
      +$10.00 delivery
      Free returns
      Extra 18% off with coupon
      Sponsored
      Top Rated Plus
    • Cat & Jack Boys Swim Trunks   Boys Size XL 16 Blue Green   Cotton Blend sku3
      Cat & Jack Boys Swim Trunks Boys Size XL 16 Blue Green Cotton Blend sku3
      Opens in a new window or tab
      Brand New
      $8.00
      or Best Offer
      +$6.00 delivery
      Free returns
      Sponsored
    • Arizona Jean Co Blue Yellow And Black Striped Swimtrunks Boys Size 4
      Arizona Jean Co Blue Yellow And Black Striped Swimtrunks Boys Size 4
      Opens in a new window or tab
      Pre-Owned
      $5.00
      or Best Offer
      +$4.84 delivery
      Free returns
      Sponsored
    • OLD NAVY Boys XL ( 14-16 ) Swim Trunks/
      OLD NAVY Boys XL ( 14-16 ) Swim Trunks/
      Opens in a new window or tab
      Pre-Owned
      $24.99
      or Best Offer
      Free delivery
      Free returns
      Sponsored
    • Mossimo Supply Co. Boys Swim Shorts Trunks Size 16/18 XL Plaid  Euc
      Mossimo Supply Co. Boys Swim Shorts Trunks Size 16/18 XL Plaid Euc
      Opens in a new window or tab
      Pre-Owned
      $24.99
      or Best Offer
      Free delivery
      Free returns
      Sponsored
    • Tell us what you think- opens in new window or tab

    Copyright © 1995-2025 eBay Inc. All Rights Reserved. Accessibility, User Agreement, Privacy, Consumer Health Data, Payments Terms of Use, Cookies, CA Privacy Notice, Your Privacy Choices and AdChoice