• 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//
  • Mega Yachts//
  • Custom

Used Custom, Judge Judge 18 Mega Yachts for sale

Clear AllAll Custom judge-18used power-mega power-dive power-pcatamaran
Location
from
Use My Location
Condition
AllNewUsed
Length
to
ft.
Year
to
Price
to
Price Drop
info
Boat Type
  • All Power
  • All Sail
  • All PWC
  • All Small Boats
  • Aft Cabin
  • Airboat
  • Aluminum Fishing
  • Antique and Classic (Power)
  • Antique and Classic (Sail)
  • Barge
  • Bass
  • Bay
  • Bowrider
  • Catamaran
  • Center Console
  • Commercial (Power)
  • Commercial (Sail)
  • Convertible
  • Cruise Ships
  • Cruisers (Power)
  • Cruisers (Sail)
  • Cuddy Cabin
  • Cutter
  • Daysailer
  • Deck
  • Dinghy (Sail)
  • Dive
  • Downeast
  • Express Cruiser
  • Flats
  • Freshwater Fishing
  • Gulet
  • High Performance
  • Houseboat
  • Jet
  • Jon
  • Ketch
  • Motor Yachts
  • Motorsailer (Power)
  • Motorsailer (Sail)
  • Narrowboats
  • Other (Power)
  • Other (Sail)
  • Passenger
  • Pilothouse
  • Pontoon
  • Power Catamarans
  • Racer/Cruiser
  • Rigid Inflatable
  • River Cruiser
  • Runabout
  • Saltwater Fishing
  • Schooner
  • Ski and Wakeboard
  • Skiff
  • Sloop
  • Sport Fishing
  • Sports Cruiser
  • Trawler
  • Tug
  • Unspecified
  • Utility
  • Walkaround
Make
  • World Cat
  • Invincible
  • Aquila
  • Twin Vee
  • Freeman
  • Glacier Bay
  • MTI
  • Fountaine Pajot
  • Custom
  • Leopard
154 more Makes...
Custom Models
  • 62
  • 64 Stuart Catamarans
  • 650 Catamaran
  • Biddison 2200
  • Catamaran Sec CatFish 39
  • Dive Boat
  • Flybridge Motoryacht
  • Force 26 cat
  • High Speed 70pax COI Passenger
  • Hueneme Boat Works
6 more Models...
Fuel Type
  • Diesel
  • 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
    16 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

      2024 Custom Catamaran Sec CatFish 39

      $389,000

      $2,898/mo*

      Miami, FL 33142 | Miami Boat Place

      2024 Custom Catamaran Sec CatFish 39
      Dealer Logo

      2002 Custom Tri-Kat 60

      $775,000

      $5,774/mo*

      Saint Petersburg, FL 33701 | Edwards Yacht Sales

      2002 Custom Tri-Kat 60
      Dealer Logo

      2010 Custom 650 Catamaran

      $939,000

      $6,995/mo*

      Palm Beach Gardens, FL 33410 | Denison Yachting

      2010 Custom 650 Catamaran
      Dealer Logo

      2002 Custom Tri-Kat 60

      $775,000

      ↓ Price Drop

      Saint Petersburg, FL 33701 | Edwards Yacht Sales

      2002 Custom Tri-Kat 60
      • 2024 Custom Nerowalker

        $524,000

        $3,904/mo*

        Newport, RI 02840 | Northrop & Johnson Yachts-Ships LLC

        2024 Custom Nerowalker

        2002 Custom 64 Stuart Catamarans

        $297,000

        Stuart, FL 34997 | United Yacht Sales

        2002 Custom 64 Stuart Catamarans
        • 2005 Custom Michael Fritz 34' Pilothouse

          $89,900

          $670/mo*

          Stuart, FL 34994 | United Yacht Sales - Florida SE Coast

          2005 Custom Michael Fritz 34' Pilothouse

          1996 Custom 62

          $199,900

          Alva, FL 33920 | Edwards Yacht Sales

          1996 Custom 62
          • 2010 Custom 650 Catamaran

            $939,000

            $6,995/mo*

            Palm Beach Gardens, FL 33410 | Denison Yachting

            2010 Custom 650 Catamaran
            • 2020 Custom Renaissance Prowler

              $269,000

              $2,004/mo*

              Marrero, LA 70072 | The Boat Yard Inc

              2020 Custom Renaissance Prowler

              2024 Custom Catamaran Sec CatFish 39

              $389,000

              $2,898/mo*

              Miami, FL 33142 | Miami Boat Place

              2024 Custom Catamaran Sec CatFish 39
              • 2018 Custom Len Jenkins 50

                $180,000

                $1,341/mo*

                Dania Beach, FL 33004 | National Yacht Sales

                2018 Custom Len Jenkins 50

                2009 Custom Flybridge Motoryacht

                $1,249,995

                ↓ Price Drop

                $9,312/mo*

                St Petersburg, FL 33701 | WORLDWIDE YACHT SALES

                2009 Custom Flybridge Motoryacht

                2008 Custom High Speed 70pax COI Passenger

                $2,499,995

                $18,625/mo*

                Portland, OR 97201 | WORLDWIDE YACHT SALES

                2008 Custom High Speed 70pax COI Passenger
                • 1990 Custom NUWAVE 36

                  $329,000

                  Oxnard, CA 93035 | Executive Yacht & Ship Brokers

                  1990 Custom NUWAVE 36

                  1987 Custom Biddison 2200

                  $34,900

                  Dolton, IL 60419 | Elite Yachts Chicago

                  1987 Custom Biddison 2200
                  • 1965 Custom Dive Boat

                    $199,000

                    Fort Lauderdale, FL 33316 | Yacht Access

                    1965 Custom Dive Boat
                    • 1992 Custom Hueneme Boat Works

                      $69,000

                      Oxnard, CA 93035 | Executive Yacht & Ship Brokers

                      1992 Custom Hueneme Boat Works
                      • 2002 Custom Force 26 cat

                        $40,000

                        Lake Havasu City, AZ 86403 | Private Seller

                        2002 Custom Force 26 cat
                          • 2005 Custom Michael Fritz 34' Pilothouse

                            $89,900

                            $670/mo*

                            Stuart, FL 34994 | United Yacht Sales - Florida SE Coast

                            2005 Custom Michael Fritz 34' Pilothouse
                            Dealer Logo
                            • 2020 Custom Renaissance Prowler

                              $269,000

                              $2,004/mo*

                              Marrero, LA 70072 | The Boat Yard, Inc

                              2020 Custom Renaissance Prowler
                              Dealer Logo
                            • <
                            • 1
                            • >
                            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