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

        XSSMLXL2XL44-556-7810-121214Filter Applied14-1618Filter Applied
      • Brand

        • Op (58) Items (58)
          Filter Applied
        • Unbranded (503) Items (503)
        • Hurley (416) Items (416)
        • Art (144) Items (144)
        • Volcom (92) Items (92)
        • Quiksilver (86) Items (86)
        • Wonder Nation (81) Items (81)
        • Billabong (53) Items (53)
      • Color

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

        • Trunks (26) Items (26)
        • Board Shorts (19) Items (19)
        • Swim Shorts (15) Items (15)
        • Not Specified (3) Items (3)
      • Type

        • Bottom (44) Items (44)
        • Wetsuit (1) Items (1)
        • One Piece (2) Items (2)
        • Top (2) Items (2)
        • Not Specified (9) Items (9)
      • Features

        • Lined (14) Items (14)
        • Elastic Waist (11) Items (11)
        • Pockets (11) Items (11)
        • Comfortable Fit (10) Items (10)
        • Drawstring (9) Items (9)
        • Built-In Brief (6) Items (6)
        • Quick Dry (5) Items (5)
        • Faux-Fly (4) Items (4)
      • Theme

        • Shark (17) Items (17)
        • Beach (11) Items (11)
        • Colorful (8) Items (8)
        • Aloha (6) Items (6)
        • USA (4) Items (4)
        • American (3) Items (3)
        • Fish (3) Items (3)
        • Animals (2) Items (2)
      • Performance/Activity

        • Surfing (23) Items (23)
        • Recreational (20) Items (20)
        • Water Polo (4) Items (4)
        • Lifeguard (3) Items (3)
        • Training (3) Items (3)
        • Not Specified (30) Items (30)
      • Material

        • 100% Polyester (23) Items (23)
        • Polyester (16) Items (16)
        • Spandex (3) Items (3)
        • Not Specified (19) Items (19)
    • 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 (8) Items (8)
      • New without tags (3) Items (3)
      • Pre-Owned (47) Items (47)
    • Buying Format

    • Item Location

      • Within25 mi
    • Shipping and pickup

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

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

58 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
    • Size: 18Remove filter
    • Size: 14Remove filter
    • OpRemove filter
    • Clear AllFilters
    • Boys NEW Swim Suit Trunks Board Shorts Sz 18 XXL 12” Inseam Extra Long Red Black
      Boys NEW Swim Suit Trunks Board Shorts Sz 18 XXL 12” Inseam Extra Long Red Black
      Opens in a new window or tab
      Brand New
      $9.00
      or Best Offer
      +$4.84 delivery
      Sponsored
    • OP Board Shorts Boys XXl Blue  lined Swim Trunks  (18)
      OP Board Shorts Boys XXl Blue lined Swim Trunks (18)
      Opens in a new window or tab
      Pre-Owned
      $14.99
      or Best Offer
      +$9.10 delivery
      Sponsored
    • OP Dinosaur Swim Trunks Youth 2XL (18)Swim Shorts Board Shorts Summertime Beach
      OP Dinosaur Swim Trunks Youth 2XL (18)Swim Shorts Board Shorts Summertime Beach
      Opens in a new window or tab
      Pre-Owned
      $5.40
      Was: $9.0040% off
      or Best Offer
      +$7.50 delivery
      Free returns
      Extra 35% off with coupon
      Sponsored
    • Ocean Pacific OP Young Men Two Sizes Swim Shorts Color Teal Blue
      Ocean Pacific OP Young Men Two Sizes Swim Shorts Color Teal Blue
      Opens in a new window or tab
      Pre-Owned
      $7.72
      Buy It Now
      +$9.45 delivery
      Free returns
      Extra 15% off with coupon
      Sponsored
      Top Rated Plus
    • BOYS OP SWIM TRUNKS BOARD SHORTS SIZE 18 XXL 11” INSEAM EXTRA LONG NAVY TEAL
      BOYS OP SWIM TRUNKS BOARD SHORTS SIZE 18 XXL 11” INSEAM EXTRA LONG NAVY TEAL
      Opens in a new window or tab
      Pre-Owned
      $9.99
      Buy It Now
      Free delivery
      10% off 2+ with coupon
      Sponsored
    • Ocean Pacific Boys SwimWear - White & Blue Plaid Swim Trunks - Size XL 14-16
      Ocean Pacific Boys SwimWear - White & Blue Plaid Swim Trunks - Size XL 14-16
      Opens in a new window or tab
      Pre-Owned
      $2.27
      Buy It Now
      +$5.14 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • OP Board Shorts Youth Boy's XXL 2XL (18) Sharks Swim Trunks Cargo Pocket EUC
      OP Board Shorts Youth Boy's XXL 2XL (18) Sharks Swim Trunks Cargo Pocket EUC
      Opens in a new window or tab
      Pre-Owned
      $11.95
      or Best Offer
      +$8.54 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • OP Shark Pattern Swimming Shorts Young Men Size XXL (18) Color Green/Black
      OP Shark Pattern Swimming Shorts Young Men Size XXL (18) Color Green/Black
      Opens in a new window or tab
      Pre-Owned
      $2.23
      or Best Offer
      +$9.45 delivery
      Free returns
      Extra 15% off with coupon
      Sponsored
      Top Rated Plus
    • Op Swim Shorts Size XXL/18,  Blue W/Shark and Floral Pattern Surf Trunks
      Op Swim Shorts Size XXL/18, Blue W/Shark and Floral Pattern Surf Trunks
      Opens in a new window or tab
      Pre-Owned
      $8.50
      or Best Offer
      +$4.71 delivery
      Sponsored
    • OP Swim Trunks Boys XXL(18) Blue Green Shark Swim Trunks
      OP Swim Trunks Boys XXL(18) Blue Green Shark Swim Trunks
      Opens in a new window or tab
      Pre-Owned
      $7.99
      or Best Offer
      +$6.55 delivery
      Sponsored
    • Op Board Shorts Boys XXL Swimwear Swim Trunks Swimming Surfing Ocean Pacific
      Op Board Shorts Boys XXL Swimwear Swim Trunks Swimming Surfing Ocean Pacific
      Opens in a new window or tab
      Pre-Owned
      $15.00
      or Best Offer
      +$6.99 delivery
      Free returns
      30% off 2+ with coupon
      Sponsored
      Top Rated Plus
    • OP Line Swimming Trunks Youth (Size 18) 2XL Mukticolor Swim Trunks Surf Shorts
      OP Line Swimming Trunks Youth (Size 18) 2XL Mukticolor Swim Trunks Surf Shorts
      Opens in a new window or tab
      Pre-Owned
      $12.00
      Was: $20.0040% off
      or Best Offer
      +$5.31 delivery
      Sponsored
    • Op Ocean Pacific Boys Swim Shorts Trunks American Flag Print Youth XXL (18)
      Op Ocean Pacific Boys Swim Shorts Trunks American Flag Print Youth XXL (18)
      Opens in a new window or tab
      Pre-Owned
      $9.00
      or Best Offer
      +$4.57 delivery
      Sponsored
    • OP Tie Dyed Swim Trunks Youth 2XL (18) Swim Shorts Board Shorts Summertime Beach
      OP Tie Dyed Swim Trunks Youth 2XL (18) Swim Shorts Board Shorts Summertime Beach
      Opens in a new window or tab
      Pre-Owned
      $14.95
      Buy It Now
      +$6.23 delivery
      Sponsored
    • Op Board Shorts Boys Youth 2XL 18 Marine Life Surf Swim Mesh Lined Trunks NWT
      Op Board Shorts Boys Youth 2XL 18 Marine Life Surf Swim Mesh Lined Trunks NWT
      Opens in a new window or tab
      Brand New
      $9.99
      or Best Offer
      +$6.95 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • OP Ocean Pacific Swim Shorts Young Men Size XXL (18) Fish Skeleton Green
      OP Ocean Pacific Swim Shorts Young Men Size XXL (18) Fish Skeleton Green
      Opens in a new window or tab
      Pre-Owned
      $4.98
      or Best Offer
      +$9.45 delivery
      Free returns
      Extra 15% off with coupon
      Sponsored
      Top Rated Plus
    • OP Boy's Stretch Board Short (Adjustable Waist) - XXL (18)- Printed Royal Blue
      OP Boy's Stretch Board Short (Adjustable Waist) - XXL (18)- Printed Royal Blue
      Opens in a new window or tab
      Brand New
      $10.99
      Buy It Now
      Free delivery
      Sponsored
    • OP Swim Trunks Youth Size 14 Board Shorts Surf Beach No Liner*
      OP Swim Trunks Youth Size 14 Board Shorts Surf Beach No Liner*
      Opens in a new window or tab
      Pre-Owned
      $10.00
      or Best Offer
      +$4.84 delivery
      Sponsored
    • OP Brown, Orange, Yellow, Blue Swim Shorts Boys Size XXL (18)
      OP Brown, Orange, Yellow, Blue Swim Shorts Boys Size XXL (18)
      Opens in a new window or tab
      Pre-Owned
      $14.99
      or Best Offer
      +$6.55 delivery
      Sponsored
    • OP Ocean Pacific Sharks Board Shorts Swim Suit Trunks Shorts Boys Size 18 NWT
      OP Ocean Pacific Sharks Board Shorts Swim Suit Trunks Shorts Boys Size 18 NWT
      Opens in a new window or tab
      Brand New
      $14.00
      Buy It Now
      Free delivery
      Sponsored
    • ocean pacific OP boys swim trunk XXL (18) USA flag
      ocean pacific OP boys swim trunk XXL (18) USA flag
      Opens in a new window or tab
      Brand New
      $11.16
      Was: $15.9530% off
      or Best Offer
      +$5.95 delivery
      Sponsored
    • OP boys swim trunks Soze XXL / 18 blue black white geometric side pocket
      OP boys swim trunks Soze XXL / 18 blue black white geometric side pocket
      Opens in a new window or tab
      Pre-Owned
      $5.00
      or Best Offer
      +$4.99 delivery
      Sponsored
    • OP Boys Swim Trunks Surfer Design Red & Blue Size XXL/2XG (18)
      OP Boys Swim Trunks Surfer Design Red & Blue Size XXL/2XG (18)
      Opens in a new window or tab
      Pre-Owned
      $8.00
      Was: $10.0020% off
      or Best Offer
      +$6.99 delivery
      Free returns
      Sponsored
    • op boys swim pants size 14-16
      op boys swim pants size 14-16
      Opens in a new window or tab
      New (Other)
      $11.00
      Buy It Now
      +$3.50 delivery
      Sponsored
    • Lot of 2 OP Ocean Pacific Long Board Swim Shorts Size XXL 2X Boys 18 SHARK
      Lot of 2 OP Ocean Pacific Long Board Swim Shorts Size XXL 2X Boys 18 SHARK
      Opens in a new window or tab
      Pre-Owned
      $17.99
      Buy It Now
      +$16.65 delivery
      Sponsored
    • OP boys sz. 18 blk & red shark design swim trunks. Great pair
      OP boys sz. 18 blk & red shark design swim trunks. Great pair
      Opens in a new window or tab
      Pre-Owned
      $9.99
      or Best Offer
      +$4.78 delivery
      Free returns
      Extra 10% off with coupon
      Sponsored
    • OP Boys Youth Size 18 Surf Swim Board Plaid Shorts Trunks NWOT
      OP Boys Youth Size 18 Surf Swim Board Plaid Shorts Trunks NWOT
      Opens in a new window or tab
      New (Other)
      $8.05
      Was: $8.9510% off
      Buy It Now
      +$4.95 delivery
      Sponsored
    • OP XL size 14 swim top
      OP XL size 14 swim top
      Opens in a new window or tab
      Pre-Owned
      $7.00
      or Best Offer
      +$11.00 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Op Board Shorts Boys XXL 18 Swimwear Swim Trunks Surfing Ocean Pacific Blue
      Op Board Shorts Boys XXL 18 Swimwear Swim Trunks Surfing Ocean Pacific Blue
      Opens in a new window or tab
      Pre-Owned
      $7.99
      or Best Offer
      +$7.40 delivery
      Free returns
      Sponsored
    • OP Baby Swim Suit Trunk Boys Size 18M Striped Blue Green White
      OP Baby Swim Suit Trunk Boys Size 18M Striped Blue Green White
      Opens in a new window or tab
      Pre-Owned
      $8.00
      Buy It Now
      +$8.85 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • OP Ocean Pacific Swim Shorts Young Men XXL (18) Blue Cargo Pocket Drawstring
      OP Ocean Pacific Swim Shorts Young Men XXL (18) Blue Cargo Pocket Drawstring
      Opens in a new window or tab
      Pre-Owned
      $14.72
      or Best Offer
      +$6.35 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • OP Ocean Pacific Shark Print Board Shorts Swim Trunks Mesh Lined Boys Youth XXL
      OP Ocean Pacific Shark Print Board Shorts Swim Trunks Mesh Lined Boys Youth XXL
      Opens in a new window or tab
      Pre-Owned
      $12.73
      Was: $14.9815% off
      or Best Offer
      +$5.95 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Boy's OP Bathing Suit Swim Trunks Size XXL 18
      Boy's OP Bathing Suit Swim Trunks Size XXL 18
      Opens in a new window or tab
      New (Other)
      $12.00
      Buy It Now
      +$5.80 delivery
      Sponsored
    • OP Boys Board Shorts Swim Trunks Size 14 Gray Pockets Adjustable Waist
      OP Boys Board Shorts Swim Trunks Size 14 Gray Pockets Adjustable Waist
      Opens in a new window or tab
      Pre-Owned
      $7.95
      or Best Offer
      +$7.99 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • OP Shark Boys Swim Trunks XXL/2XG (18)
      OP Shark Boys Swim Trunks XXL/2XG (18)
      Opens in a new window or tab
      Pre-Owned
      $7.00
      Buy It Now
      +$4.71 delivery
      Free returns
      Sponsored
    • Boy's OP Size XXL 18 Board Shorts Swim Trunks Shark Theme Built In Mesh Briefs
      Boy's OP Size XXL 18 Board Shorts Swim Trunks Shark Theme Built In Mesh Briefs
      Opens in a new window or tab
      Pre-Owned
      $6.99
      Buy It Now
      +$4.99 delivery
      Sponsored
    • OP Ocean Pacific UPF 50+  Neon Yellow Boys Swim Trunks XXL/ 2XG NWT!
      OP Ocean Pacific UPF 50+ Neon Yellow Boys Swim Trunks XXL/ 2XG NWT!
      Opens in a new window or tab
      Brand New
      $14.99
      Buy It Now
      +$9.99 delivery
      Sponsored
    • OP Boy's Board Shorts Polyester Size XXL (18)
      OP Boy's Board Shorts Polyester Size XXL (18)
      Opens in a new window or tab
      Pre-Owned
      $9.00
      Buy It Now
      +$4.75 delivery
      Sponsored
    • OP Ocean Pacific Swim Shorts Red/Blue Young Men Size XXL (18) Shark Pattern
      OP Ocean Pacific Swim Shorts Red/Blue Young Men Size XXL (18) Shark Pattern
      Opens in a new window or tab
      Pre-Owned
      $4.82
      or Best Offer
      +$9.45 delivery
      Free returns
      Extra 15% off with coupon
      Sponsored
      Top Rated Plus
    • OP Shark Pattern Swimming Shorts Young Men Size XXL (18) Black/Red/Gray
      OP Shark Pattern Swimming Shorts Young Men Size XXL (18) Black/Red/Gray
      Opens in a new window or tab
      Pre-Owned
      $2.23
      or Best Offer
      +$9.45 delivery
      Free returns
      Extra 15% off with coupon
      Sponsored
      Top Rated Plus
    • Molokai Boy's Board Shorts - Size 18 - Black, gray, blue pattern - 0456
      Molokai Boy's Board Shorts - Size 18 - Black, gray, blue pattern - 0456
      Opens in a new window or tab
      Pre-Owned
      $5.00
      or Best Offer
      +$5.00 delivery
      Sponsored
    • REI CO-OP Board Shorts Kids XL (18) White Orange Leaves Pattern
      REI CO-OP Board Shorts Kids XL (18) White Orange Leaves Pattern
      Opens in a new window or tab
      Pre-Owned
      $11.00
      or Best Offer
      +$6.95 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Boys Op Red/White/Blue, Stars & Stripes, Mesh-Lined Swim Trunks - sz XXL (18)
      Boys Op Red/White/Blue, Stars & Stripes, Mesh-Lined Swim Trunks - sz XXL (18)
      Opens in a new window or tab
      Pre-Owned
      $9.99
      Buy It Now
      +$2.99 delivery
      Free returns
      Sponsored
    • Op Orange Boys Swim Trunks Size XXL-18
      Op Orange Boys Swim Trunks Size XXL-18
      Opens in a new window or tab
      Pre-Owned
      $15.00
      Buy It Now
      Free delivery
      Sponsored
    • OP Boy's Stretch Board Short (Adjustable Waist) - XXL (18) - Printed Royal Blue
      OP Boy's Stretch Board Short (Adjustable Waist) - XXL (18) - Printed Royal Blue
      Opens in a new window or tab
      Brand New
      $10.00
      Buy It Now
      +$4.84 delivery
      Free returns
      Sponsored
    • OP Board Shorts Boy's XXL 2XG (18) Shark Sighting Swim Trunks Cargo Pocket Youth
      OP Board Shorts Boy's XXL 2XG (18) Shark Sighting Swim Trunks Cargo Pocket Youth
      Opens in a new window or tab
      Pre-Owned
      $14.00
      or Best Offer
      +$5.00 delivery
      Sponsored
    • VTG OP OCEAN PACIFIC BOARD SHORTS W28 BOYS XXL SWIM TRUNKS LINED SIZE 18 XXL
      VTG OP OCEAN PACIFIC BOARD SHORTS W28 BOYS XXL SWIM TRUNKS LINED SIZE 18 XXL
      Opens in a new window or tab
      Pre-Owned
      $14.00
      Buy It Now
      +$6.95 delivery
      Sponsored
    • OP Ocean Pacific Sharks Board Shorts Swim Suit Trunks Shorts Boys Size 18 NWT
      OP Ocean Pacific Sharks Board Shorts Swim Suit Trunks Shorts Boys Size 18 NWT
      Opens in a new window or tab
      Brand New
      $17.09
      Was: $18.9910% off
      Buy It Now
      Free delivery
      Sponsored
    • Boys Op Red Board Shorts Size XXL 18 EUC!!!
      Boys Op Red Board Shorts Size XXL 18 EUC!!!
      Opens in a new window or tab
      Pre-Owned
      $8.99
      or Best Offer
      +$6.55 delivery
      Sponsored
    • Boys Op Swim Shorts Size XXL/18 Blue
      Boys Op Swim Shorts Size XXL/18 Blue
      Opens in a new window or tab
      Pre-Owned
      $7.88
      or Best Offer
      +$5.77 delivery
      Free returns
      Sponsored
    • Boy's OP Black & White Swim Shirt Size 18
      Boy's OP Black & White Swim Shirt Size 18
      Opens in a new window or tab
      Pre-Owned
      $10.99
      Buy It Now
      +$5.99 delivery
      Sponsored
    • OP Boys Swim Trunks Shorts Size (18) XXL Shark Fish facts Elastic Waist
      OP Boys Swim Trunks Shorts Size (18) XXL Shark Fish facts Elastic Waist
      Opens in a new window or tab
      Pre-Owned
      $5.60
      Buy It Now
      +$4.81 delivery
      Sponsored
    • NICE - OP Ocean Pacific Youth swim shorts size 2XL / 2XG (  18 ) Fits 30" waist
      NICE - OP Ocean Pacific Youth swim shorts size 2XL / 2XG ( 18 ) Fits 30" waist
      Opens in a new window or tab
      Pre-Owned
      $10.00
      Buy It Now
      +$6.70 delivery
      Sponsored
    • Op Ocean Pacific EUC Fashion Swim Shorts 18 Yellow gray blue
      Op Ocean Pacific EUC Fashion Swim Shorts 18 Yellow gray blue
      Opens in a new window or tab
      Pre-Owned
      $19.00
      or Best Offer
      +$5.80 delivery
      Sponsored
    • OP Boy's Multi Color Swim Trunks Shorts Size 18
      OP Boy's Multi Color Swim Trunks Shorts Size 18
      Opens in a new window or tab
      Pre-Owned
      $8.99
      or Best Offer
      +$5.80 delivery
      Free returns
      Sponsored
    • OP Boys Shark Beach Closed Due To Shark Sighting Swimming Shorts 2X (18)
      OP Boys Shark Beach Closed Due To Shark Sighting Swimming Shorts 2X (18)
      Opens in a new window or tab
      Pre-Owned
      $15.00
      Buy It Now
      +$6.15 delivery
      Sponsored
    • Boys OP Swimsuit Size 14
      Boys OP Swimsuit Size 14
      Opens in a new window or tab
      Pre-Owned
      $5.99
      or Best Offer
      +$6.90 delivery
      Sponsored
    • Vintage Op Surf Beach Board Shorts Stripes Hibiscus Sharks Boys Size  14/16
      Vintage Op Surf Beach Board Shorts Stripes Hibiscus Sharks Boys Size 14/16
      Opens in a new window or tab
      Pre-Owned
      $10.00
      Buy It Now
      +$6.55 delivery
      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