1998 Duffy 21 Classic
$19,900
Boat in New Orleans, LA 70124 US
Built in 1998
21 Classic
1 Engine (Whisper Drive)
21 feet
Electric
Fiberglass/Reinforced
1998 Duffy Classic 21 "Butterfly" - Electric Boat for Sale | New Orleans
The 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.
2021–2022 Major Electrical & Equipment Upgrades
This 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 Cables
- Alltrax Motor Controller (Brain Box)
- Alltrax Electronic Throttle Actuator
- Self-Aligning Thrust Power Block Pillow (new – still in box)
- Bearing Stuffing Box (new – still in box)
- 3-Blade Propeller
- Strut Bolts and Prop Hardware
- Antifouling Bottom Paint
Comfort & Cockpit Features
Designed for comfortable harbor cruising and entertaining.
- Seamark Royal Blue Tweed Surrey Top
- Helm Back Cushion
- Forward Cockpit Table
- Bottle Holder & Bar Area Indirect Lighting
- Bluetooth Dual Stereo System
- (4) Speakers with wiring
- Mirror
- Helm Cover
- Seating for up to 9 passengers
Lighting & Navigation
- LED Side Clearance Lighting
- Navigation Lights
- Ensign Flag
- Twin Rudders
- Wheel Steering
Safety Equipment
- (6) Life Vests
- (2) West Marine Life Jackets
- Horn
- Fire Extinguisher
- Anchor & Chain
2025 Maintenance
- Rule Automatic & Manual Bilge Pumps Installed
- Last Haulout: July 2025
Performance
- Cruising Speed: ~5 knots
- Top Speed: ~7 knots
- E-Meter Gauge to monitor battery charge while underway
Trailer
- 2001 Pacific Tandem Axle Trailer
Additional Features
- Spare Propeller
- Extra Storage in Place of Refrigerator
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.
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. This vessel is offered subject to prior sale, price change or withdrawal without notice.
Price History
| Date | Event | Price |
|---|---|---|
| 7/21/25 | Initial price | $19,900 |
1998 Duffy 21 Classic Video Tours
Overview from around the web 1998 Duffy 21 Classic
Customers praise the 1998 Duffy 21 Classic for its charming vintage design and smooth, quiet electric motor, making it perfect for leisurely cruises on calm waters
Many appreciate its spacious deck layout, which comfortably accommodates family and friends, creating an inviting atmosphere for social gatherings. Users also highlight the boat's reliable performance, easy handling, and low maintenance needs, making it an ideal choice for both seasoned boaters and beginners alike. Overall, the 1998 Duffy 21 Classic is celebrated for combining classic aesthetics with practical functionality, delivering a relaxing and enjoyable boating experience.
The Biggest Pros and Cons
The 1998 Duffy 21 Classic offers a charming blend of vintage style and modern electric boating technology, making it a popular choice for leisurely cruises. Here are some pros and cons to consider:
Pros
Classic Design: The 21 Classic features timeless styling with elegant wood accents and a spacious, comfortable seating layout that appeals to those who appreciate traditional aesthetics.
Electric-Powered: As an electric boat, it provides quiet, smooth, and eco-friendly operation, ideal for serene waters and environmentally conscious boating.
Low Maintenance: Electric motors require less maintenance compared to gasoline engines, reducing upkeep time and costs.
Easy Handling: The boat’s manageable size and responsive controls make it suitable for beginners and experienced boaters alike.
Versatile Use: Perfect for calm lakes, slow rivers, and protected bays, offering a relaxing experience for family outings or small group gatherings.
Cons
Limited Speed: Being electric and designed for leisure, the 21 Classic has modest speed capabilities, which may not satisfy those seeking high-performance boating.
Battery Range: Depending on battery condition and usage, the cruising range can be limited, requiring careful trip planning and battery management.
Weather Sensitivity: The open design offers limited protection from harsh weather, making it less ideal for use in colder or rainy conditions.
Space Constraints: While comfortable, the 21-foot length means space is limited for larger groups or extensive gear storage.
Availability of Parts: Given its vintage status, sourcing specific parts or accessories might be more challenging compared to newer models.
Made For
The 1998 Duffy 21 Classic is perfect for those seeking a charming and eco-friendly electric boat ideal for leisurely cruises on calm waters. It's designed for families, couples, and groups of friends who want a quiet, comfortable, and stylish way to explore lakes, bays, and calm coastal areas. With its spacious seating and easy-to-operate electric motor, it’s great for relaxing outings, sightseeing, and social gatherings on the water.
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Address
Other Information about Murray Yacht Sales
Serving the gulf coast since 1974.
Boat Location
Contact Murray Yacht Sales
6500 Spanish Fort Boulevard, New Orleans, Louisiana, 70124
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