• Sell Your Boat
  • Find
    droparrow iconFind
    • Boats For Sale
    • Boat Types
    • Boat Dealers
    • Outboard Motors & Engines
    • Boat Trailers
  • Sell Your Boat
  • Finance
    droparrow iconFinance
    • Boat Loans
    • Boat Loan Calculator
    • Boat Loan Rates
    • FAQ - How to Finance
  • Services
    droparrow iconServices
    • Extended Service Plan
    • Tire & Wheel Plan
    • GAP Protection
    • Roadside Assistance
    • Boat Insurance
    • Boat Transport
    • Boat Warranty
    • Boat Documentation
    • Boat Rental
    • Become a Member
  • Research
    droparrow iconResearch
    • Get Advice On:
    • Buying
    • Selling
    • Boating
    • Read
    • Reviews
  • Home//
  • Boats for Sale//
  • Power//
  • High Performance//
  • Judge Yachts//
  • Judge 18

Judge Yachts Judge 18, Sea Doo High Performance boats for sale

Clear All judge-18All Sea-Doo gtx power-highperf power-pwc
Location
from
Use My Location
Condition
AllNewUsed
Length
to
ft.
Year
to
Price
to
Price Drop
info
Boat Type
  • All PWC
Make
  • Sea-Doo
  • Yamaha WaveRunner
  • Yamaha Boats
  • other
  • Kawasaki
  • Fountain
  • Nor-Tech
  • Formula
  • Cigarette
  • Sea Ray
193 more Makes...
Sea-Doo Models
  • GTX
  • GTX 170
  • GTX 230
  • GTX Limited 325
  • GTX 300
  • GTX 155
  • GTX Limited 300
  • GTX Limited iS 260
  • GTX 215
  • GTX S 155
Fuel Type
  • Gas
Hull Material
    Engine Type
    • All
    • Direct Drive
    • Jet Drive
    • None
    • Other
    • Single Inboard
    • Single I/O
    • Single Outboard
    • Twin Inboard
    • Twin I/O
    • Twin Outboard
    • Triple I/O
    • Triple Outboard
    • V-Drive
    For Sale By
    Ad Image
    viewable ad alt texteligible ad alt textaccupixel ad alt text
    327 boats
    Sort: Recommended
    • Recommended
    • Recently Updated: Newest first
    • Recently Updated: Oldest first
    • Distance: Nearest first
    • Distance: Farthest first
    • Year: Newest first
    • Year: Oldest first
    • Length: Longest first
    • Length: Shortest first
    • Price: High to Low
    • Price: Low to High

      2026 Sea-Doo GTX

      $22,949

      $200/mo*

      Deerfield Beach, FL | Riva Motorsports Superstore - Deerfield Beach

      • 2026 Sea-Doo GTX
      • 2026 Sea-Doo GTX
      • 2026 Sea-Doo GTX
      • 2026 Sea-Doo GTX
      Dealer Logo

      2026 Sea-Doo GTX Limited 325

      Request a Price

      Longs, SC 29568 | Sportsman's Choice Marine

      2026 Sea-Doo GTX Limited 325
      Dealer Logo

      2025 Sea-Doo GTX

      $21,388

      $186/mo*

      Deerfield Beach, FL | Riva Motorsports Superstore - Deerfield Beach

      • 2025 Sea-Doo GTX
      • 2025 Sea-Doo GTX
      • 2025 Sea-Doo GTX
      • 2025 Sea-Doo GTX
      Dealer Logo
      • 2025 Sea-Doo GTX

        $20,276

        Georgetown, TX 78626 | RideNow Powersports Georgetown

        • 2025 Sea-Doo GTX
        • 2025 Sea-Doo GTX
        • 2025 Sea-Doo GTX
        • 2025 Sea-Doo GTX
        • 2025 Sea-Doo GTX

          $19,211

          Chandler, AZ 85286 | RideNow Powersports Chandler

          • 2025 Sea-Doo GTX
          • 2025 Sea-Doo GTX
          • 2025 Sea-Doo GTX
          • 2025 Sea-Doo GTX
          • 2025 Sea-Doo GTX

            $20,988

            Deerfield Beach, FL | RIVA MOTORSPORTS SUPERSTORE - DEERFIELD BEACH

            • 2025 Sea-Doo GTX
            • 2025 Sea-Doo GTX
            • 2025 Sea-Doo GTX
            • 2025 Sea-Doo GTX
            • 2025 Sea-Doo GTX 170

              $16,099

              Vista, CA 92081 | RideNow SoCal

              • 2025 Sea-Doo GTX 170
              • 2025 Sea-Doo GTX 170
              • 2025 Sea-Doo GTX 170
              • 2025 Sea-Doo GTX 170
              • 2025 Sea-Doo GTX

                $21,499

                Vista, CA 92081 | RideNow SoCal

                • 2025 Sea-Doo GTX
                • 2025 Sea-Doo GTX
                • 2025 Sea-Doo GTX
                • 2025 Sea-Doo GTX
                • 2003 Sea-Doo GTX

                  $3,999

                  Bismarck, ND 58504 | Vallely Sport & Marine - Bismarck

                  • 2003 Sea-Doo GTX
                  • 2003 Sea-Doo GTX
                  • 2003 Sea-Doo GTX
                  • 2003 Sea-Doo GTX
                  • 2003 Sea-Doo GTX

                    $3,999

                    Bismarck, ND 58504 | Vallely Sport & Marine - Bismarck

                    • 2003 Sea-Doo GTX
                    • 2003 Sea-Doo GTX
                    • 2003 Sea-Doo GTX
                    • 2003 Sea-Doo GTX
                    • 2004 Sea-Doo GTX

                      $7,999

                      Minot, ND 58701 | Vallely Sport & Marine - Minot

                      • 2004 Sea-Doo GTX
                      • 2004 Sea-Doo GTX
                      • 2004 Sea-Doo GTX
                      • 2004 Sea-Doo GTX
                      • 2025 Sea-Doo GTX 170

                        $16,599

                        Huntsville, AL 35803 | RideNow Huntsville

                        2025 Sea-Doo GTX 170
                        • 2025 Sea-Doo GTX

                          $17,999

                          Las Vegas, NV 89130 | RideNow Powersports on Rancho

                          • 2025 Sea-Doo GTX
                          • 2025 Sea-Doo GTX
                          • 2025 Sea-Doo GTX
                          • 2025 Sea-Doo GTX
                          • 2025 Sea-Doo GTX

                            $17,689

                            Huntsville, AL 35803 | RideNow Huntsville

                            2025 Sea-Doo GTX
                            • 2025 Sea-Doo GTX 300

                              $16,299

                              Jacksonville, FL 32244 | RideNow Powersports Jacksonville

                              • 2025 Sea-Doo GTX 300
                              • 2025 Sea-Doo GTX 300
                              • 2025 Sea-Doo GTX 300
                              • 2025 Sea-Doo GTX 300
                              • 2025 Sea-Doo GTX 170

                                $12,699

                                Lake Havasu City, AZ 86403 | Lake Havasu North

                                • 2025 Sea-Doo GTX 170
                                • 2025 Sea-Doo GTX 170
                                • 2025 Sea-Doo GTX 170
                                • 2025 Sea-Doo GTX 170

                                2010 Sea-Doo GTX 155

                                $4,599

                                Gainesville, GA 30501 | Park Marine Boating Centers - Kennesaw

                                • 2010 Sea-Doo GTX 155
                                • 2010 Sea-Doo GTX 155
                                • 2010 Sea-Doo GTX 155
                                • 2010 Sea-Doo GTX 155
                                • 2013 Sea-Doo GTX

                                  $5,995

                                  DANVILLE, VA | Hughes Marine Service

                                  • 2013 Sea-Doo GTX
                                  • 2013 Sea-Doo GTX
                                  • 2025 Sea-Doo GTX 230

                                    $16,052

                                    Georgetown, TX 78626 | RideNow Powersports Georgetown

                                    • 2025 Sea-Doo GTX 230
                                    • 2025 Sea-Doo GTX 230
                                    • 2025 Sea-Doo GTX 230
                                    • 2025 Sea-Doo GTX 230
                                    • 2025 Sea-Doo GTX 170

                                      $15,399

                                      Huntsville, AL 35803 | RideNow Huntsville

                                      • 2025 Sea-Doo GTX 170
                                      • 2025 Sea-Doo GTX 170
                                      • 2025 Sea-Doo GTX 170
                                      • 2025 Sea-Doo GTX 170

                                      2021 Sea-Doo GTX

                                      $6,500

                                      Eatonton, GA 31024 | TCH Watersports

                                      • 2021 Sea-Doo GTX
                                      • 2021 Sea-Doo GTX
                                      • 2021 Sea-Doo GTX
                                      • 2021 Sea-Doo GTX
                                      • 2025 Sea-Doo GTX

                                        $20,988

                                        Deerfield Beach, FL | RIVA MOTORSPORTS SUPERSTORE - DEERFIELD BEACH

                                        • 2025 Sea-Doo GTX
                                        • 2025 Sea-Doo GTX
                                        • 2025 Sea-Doo GTX
                                        • 2025 Sea-Doo GTX
                                        • 2025 Sea-Doo GTX 230

                                          $14,599

                                          Lake Havasu City, AZ 86403 | Lake Havasu North

                                          2025 Sea-Doo GTX 230

                                          2008 Sea-Doo GTX 155

                                          $5,500

                                          Eatonton, GA 31024 | TCH Watersports

                                          • 2008 Sea-Doo GTX 155
                                          • 2008 Sea-Doo GTX 155
                                          • 2008 Sea-Doo GTX 155
                                          • 2008 Sea-Doo GTX 155
                                          • 2025 Sea-Doo GTX

                                            $21,388

                                            Deerfield Beach, FL | RIVA MOTORSPORTS SUPERSTORE - DEERFIELD BEACH

                                            • 2025 Sea-Doo GTX
                                            • 2025 Sea-Doo GTX
                                            • 2025 Sea-Doo GTX
                                            • 2025 Sea-Doo GTX
                                            • 2026 Sea-Doo GTX 300

                                              $18,649

                                              Somerset, KY 42503 | Lake Cumberland Marine

                                              • 2026 Sea-Doo GTX 300
                                              • 2026 Sea-Doo GTX 300
                                              • 2026 Sea-Doo GTX 300
                                              • 2026 Sea-Doo GTX 300
                                              • 2025 Sea-Doo GTX 230

                                                $15,699

                                                Kalamazoo, MI 49009 | Leaders RPM

                                                • 2025 Sea-Doo GTX 230
                                                • 2025 Sea-Doo GTX 230
                                                • 2025 Sea-Doo GTX 230
                                                • 2025 Sea-Doo GTX 230
                                                • 2025 Sea-Doo GTX 170

                                                  $15,999

                                                  Jacksonville, FL 32244 | RideNow Powersports Jacksonville

                                                  • 2025 Sea-Doo GTX 170
                                                  • 2025 Sea-Doo GTX 170
                                                  • 2025 Sea-Doo GTX 170
                                                  • 2025 Sea-Doo GTX 170
                                                  • 2025 Sea-Doo GTX 170

                                                    $16,099

                                                    Vista, CA 92081 | RideNow SoCal

                                                    • 2025 Sea-Doo GTX 170
                                                    • 2025 Sea-Doo GTX 170
                                                    • 2025 Sea-Doo GTX 170
                                                    • 2025 Sea-Doo GTX 170
                                                    • 2025 Sea-Doo GTX

                                                      $21,388

                                                      Deerfield Beach, FL | RIVA MOTORSPORTS SUPERSTORE - DEERFIELD BEACH

                                                      • 2025 Sea-Doo GTX
                                                      • 2025 Sea-Doo GTX
                                                      • 2025 Sea-Doo GTX
                                                      • 2025 Sea-Doo GTX
                                                      • 2025 Sea-Doo GTX 170

                                                        $15,499

                                                        Kalamazoo, MI 49009 | Leaders RPM

                                                        • 2025 Sea-Doo GTX 170
                                                        • 2025 Sea-Doo GTX 170
                                                        • 2025 Sea-Doo GTX 170
                                                        • 2025 Sea-Doo GTX 170
                                                        • 2025 Sea-Doo GTX 230

                                                          $17,099

                                                          Vista, CA 92081 | RideNow SoCal

                                                          • 2025 Sea-Doo GTX 230
                                                          • 2025 Sea-Doo GTX 230
                                                          • 2025 Sea-Doo GTX 230
                                                          • 2025 Sea-Doo GTX 230
                                                          • 2025 Sea-Doo GTX 230

                                                            $14,599

                                                            Lake Havasu City, AZ 86403 | Lake Havasu North

                                                            2025 Sea-Doo GTX 230

                                                            2018 Sea-Doo GTX 155

                                                            $8,900

                                                            Eatonton, GA 31024 | TCH Watersports

                                                            • 2018 Sea-Doo GTX 155
                                                            • 2018 Sea-Doo GTX 155
                                                            • 2018 Sea-Doo GTX 155
                                                            • 2018 Sea-Doo GTX 155
                                                          • <
                                                          • 1
                                                          • 2
                                                          • 3
                                                          • 4
                                                          • 5
                                                          • >
                                                          Connect with Us
                                                          YoutubeInstagramFacebookTwitterReddit
                                                          Download the BoatTrader app
                                                          App StoreGoogle Play
                                                          • Boats for Sale
                                                          • Outboard Motors & Engines
                                                          • Boat Trailers
                                                          • Boat Research
                                                          • Boating Lifestyle Calculator
                                                          • About Boat Trader
                                                          • Private Sellers
                                                          • Dealers
                                                          • My Boats
                                                          • Boat Loans
                                                          • Boat Loan Calculator
                                                          • Boat Loan Rates
                                                          • FAQ - How to Finance
                                                          • Extended Service Plan
                                                          • Tire & Wheel Plan
                                                          • GAP Protection
                                                          • Roadside Assistance
                                                          • Boat Insurance
                                                          • Boat Transport
                                                          • Boat Warranty
                                                          • Boat Documentation
                                                          • Boat Rental
                                                          • Become a Member
                                                          • Cookies
                                                          • Do Not Sell My Personal Information
                                                          • Community Guidelines
                                                          • Security Center
                                                          • Site Map
                                                          Copyright © 2025 Boats Group. All Rights ReservedAd and Sponsorship Policy|Advertiser Agreement|Copyright|Privacy Policy|Terms of Use|AdChoices