• 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//
  • Power Catamarans//
  • Custom

Used Custom, Judge Judge 18 Power Catamarans boats for sale

Clear AllAll Custom judge-18used power-pcatamaran power-center
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
  • Custom
  • Boston Whaler
  • Sea Hunt
  • Robalo
  • Scout
  • Sea Fox
  • Sportsman
  • Grady-White
  • Key West
  • Tidewater
  • Cobia
531 more Makes...
Custom Models
  • Key Hopper 20
  • 22
  • 14 custom blazer
  • 18
  • 18 openfisherman
  • 18X60 Mud Boat
  • 19 CENTER CONSOLE
  • 2007 Century 3200 C/C
  • 2150
  • 21CC
41 more Models...
Fuel Type
  • Diesel
  • Gas
  • Other
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
    55 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
      • 2024 Custom Key Hopper 20

        $79,900

        $595/mo*

        Islamorada, FL 33036 | SD Marine Group

        2024 Custom Key Hopper 20
        • 2012 Custom CUSTOM OFFSHORE

          $84,995

          $633/mo*

          New Orleans, LA 70118 | The Boat Yard Inc

          2012 Custom CUSTOM OFFSHORE
          • 2003 Custom 21CC

            $28,500

            Addis, LA | Cajun Outboards

            2003 Custom 21CC
            • 2024 Custom Key Hopper 20

              $79,900

              $595/mo*

              Miami, FL 33128 | SD Marine Group

              2024 Custom Key Hopper 20

              1979 Custom Chaparral Center Console

              $39,000

              San Diego, CA 92106 | Schock Boats

              1979 Custom Chaparral Center Console

              1986 Custom 38 Coyote

              $69,000

              Anahuac, TX 77514 | Gulf States Yacht Sales LLC

              1986 Custom 38 Coyote
              • 2018 Custom Len Jenkins 50

                $180,000

                $1,341/mo*

                Dania Beach, FL 33004 | National Yacht Sales

                2018 Custom Len Jenkins 50
                • 2016 Custom Jericho Bay Lobster Skiff 18

                  $24,900

                  Yorktown, VA 23692 | Legasea Marine

                  2016 Custom Jericho Bay Lobster Skiff 18

                  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
                  • 2003 Custom 23 Center Console

                    $22,500

                    Miami, FL 33133 | Export Yacht Sales

                    2003 Custom 23 Center Console

                    1987 Custom Biddison 2200

                    $34,900

                    Dolton, IL 60419 | Elite Yachts Chicago

                    1987 Custom Biddison 2200
                    • 2014 Custom 23

                      $29,995

                      $261/mo*

                      Georgetown, SC 29440 | The Boat Shed

                      2014 Custom 23

                      2011 Sea Ray 310 Sundancer

                      $149,900

                      $1,117/mo*

                      Lewis Center, OH 43035 | Iconic Marine Miami

                      2011 Sea Ray 310 Sundancer

                      2026 Yamaha Boats 222S

                      $77,999

                      $581/mo*

                      Columbus, OH 43224 | Sizzle Marine

                      2026 Yamaha Boats 222S

                      2025 Nitro Z18 Pro

                      $53,410

                      $398/mo*

                      Columbus, OH 43224 | Sizzle Marine

                      2025 Nitro Z18 Pro
                      • 2006 Custom 23 DC BROWN CUSTOM CC

                        $22,900

                        Stratford, CT 06615 | Hitchcock Landmark Marine

                        2006 Custom 23 DC BROWN CUSTOM CC
                        • 2021 Custom 19 CENTER CONSOLE

                          $19,900

                          Freeport, NY 11520 | Montauk Yacht Sales

                          2021 Custom 19 CENTER CONSOLE

                          2025 Custom Shark Fin R321

                          $185,000

                          $1,378/mo*

                          Jacksonville, FL 32202 | Allegiance Yachts

                          2025 Custom Shark Fin R321

                          1977 Custom 18 openfisherman

                          $5,900

                          ↓ Price Drop

                          Hialeah, FL 33015 | Private Seller

                          1977 Custom 18 openfisherman
                            • 2017 Custom 32 Center Console

                              $49,000

                              $427/mo*

                              Williams Bay, WI 53191 | Private Seller

                              2017 Custom 32 Center Console
                                • 2002 Custom Force 26 cat

                                  $40,000

                                  Lake Havasu City, AZ 86403 | Private Seller

                                  2002 Custom Force 26 cat
                                    • 2017 Custom Center Console

                                      $160,000

                                      $1,192/mo*

                                      westbrook , CT 06078 | Private Seller

                                      2017 Custom Center Console
                                        • 1987 Custom 22ft center console

                                          $23,000

                                          Smithtown, NY 11787 | Private Seller

                                          1987 Custom 22ft center console
                                            • 2007 Custom 2007 Century 3200 C/C

                                              $85,000

                                              $633/mo*

                                              Destin, FL 32541 | Private Seller

                                              2007 Custom 2007 Century 3200 C/C
                                                • 2026 Custom SeaVee 320 Series

                                                  $664,400

                                                  $4,950/mo*

                                                  Doral, FL 33166 | Private Seller

                                                  2026 Custom SeaVee 320 Series
                                                    • 2014 Custom 35 lxf

                                                      $225,000

                                                      $1,676/mo*

                                                      Boynton Beach, FL 33435 | Private Seller

                                                      2014 Custom 35 lxf
                                                      • <
                                                      • 1
                                                      • 2
                                                      • >
                                                      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