About This Vessel
This 1998 Duffy 21 Classic, measures 21 ft, and is located in New Orleans, Louisiana, powered by Whisper Drive 48 Volt 5.00HP.
Price Improvement: The asking price has been lowered to $15,000!1998 Duffy Classic 21 “Butterfly” – Electric Boat for Sale | New OrleansThe 1998 Duffy Classic 21 “Butterfly” is a well-maintained electric-powered harbor cruiser designed for quiet, comfortable, and environmentally friendly boating. Known for its classic styling and ease of operation, the Duffy Classic 21 is ideal for lake cruising, harbor tours, waterfront entertaining, or relaxed fishing trips.Built with a durable fiberglass monohull, this electric boat offers a smooth and nearly silent ride while cruising efficiently at 5–7 knots. The spacious cockpit provides comfortable seating for multiple couples, making it perfect for sunset cruises and social outings on the water. The helm features simple, intuitive controls, allowing both experienced boaters and first-time owners to operate the boat with ease. A stereo system provides onboard entertainment, and ample storage keeps gear organized.“Butterfly” has been boathouse-kept for most of its life and is currently located in the New Orleans Municipal Yacht Harbor, helping preserve the vessel’s condition and appearance.Scroll down to view: Specifications - Photos - Multimedia - Engine Details - Press & Media - General Arrangement - Full Details - Vessel Location. It is offered as a convenience by this broker/dealer to its clients and is
1998 Duffy 21 Classic For Sale - Specifications - Brochure
2021–2022 Major Electrical & Equipment UpgradesThis Duffy Classic 21 electric boat received significant electrical and mechanical updates, improving reliability, efficiency, and onboard comfort.Lester Summit II Bluetooth Battery Charger(16) US125 6-Volt Batteries – 48V battery bank(34) New Battery CablesAlltrax Motor Controller (Brain Box)Alltrax Electronic Throttle ActuatorSelf-Aligning Thrust Power Block Pillow (new – still in box)Bearing Stuffing Box (new – still in box)3-Blade PropellerStrut Bolts and Prop HardwareAntifouling Bottom PaintComfort & Cockpit FeaturesDesigned for comfortable harbor cruising and entertaining.Seamark Royal Blue Tweed Surrey TopHelm Back CushionForward Cockpit TableBottle Holder & Bar Area Indirect LightingBluetooth Dual Stereo System(4) Speakers with wiringMirrorHelm CoverSeating for up to 9 passengersLighting & NavigationLED Side Clearance LightingNavigation LightsEnsign FlagTwin RuddersWheel SteeringSafety Equipment(6) Life Vests(2) West Marine Life JacketsHornFire ExtinguisherAnchor & Chain2025 MaintenanceRule Automatic & Manual Bilge Pumps InstalledLast Haulout: July 2025PerformanceCruising Speed: ~5 knotsTop Speed: ~7 knotsE-Meter Gauge to monitor battery charge while underwayTrailer2001 Pacific Tandem Axle TrailerAdditional FeaturesSpare PropellerExtra Storage in Place of Refrigerator
Broker Remarks
The 1998 Duffy Classic 21 “Butterfly” is a rare opportunity to own one of the most recognizable electric harbor cruisers on the market. Designed for quiet, environmentally friendly boating, the Duffy Classic series is known for its smooth ride, simple operation, and comfortable social layout—making it ideal for harbor cruising, waterfront entertaining, and sunset outings.“Butterfly” has benefited from significant electrical and mechanical upgrades completed in 2021–2022, including a Lester Summit II Bluetooth charger, a 48-volt battery bank with sixteen US125 batteries, new battery cabling, and an Alltrax motor controller system. These improvements enhance reliability and performance while maintaining the quiet, low-maintenance advantages that make electric boats so appealing for protected waters and marina cruising.The spacious cockpit comfortably accommodates up to nine guests, with a Surrey top for shade, cockpit table, stereo system, and indirect bar lighting creating an inviting atmosphere for entertaining. Twin rudders and wheel steering provide easy maneuverability around marinas and waterfront restaurants.“Butterfly” has been boathouse-kept for most of its life in the New Orleans Municipal Yacht Harbor, helping preserve the vessel’s overall condition. The boat also includes a 2001 Pacific tandem-axle trailer, allowing for convenient transport or storage.With quiet cruising speeds around 5 knots and a top speed of approximately 7 knots, the Duffy Classic 21 remains one of the best platforms for relaxed electric boating.Showings are available by appointment.
Disclaimer
The Classic 21 brochure and specification sheets attached under the General Arrangement Section are only for reference as the features and options might differ from "Butterfly."The company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated.
