Office:+1-215-508-2704
Mobile:+1-305-735-1661
charles@multihullcompany.com
About
2008 Lagoon 420 HH Sound WavesCurrently Located in the Caribbean
A true pioneer in hybrid-electric cruising, HH Sound Waves is a meticulously maintained Lagoon 420 that blends luxurious liveaboard comfort with sustainable, off-grid performance. With extensive upgrades, including dual electric propulsion motors, 4,000W of solar, and a 21.5kW generator, she is ideal for eco-conscious sailors looking to explore the world in quiet, efficient style. This 3-cabin owner's version has seen over $100,000 in recent upgrades and presents in excellent condition.
Vessel Details
Model: Lagoon 420
Builder: Lagoon (France)
Launched: 2008
LOA: 41.3 ft
Beam: 24.58 ft
Draft: 4.16 ft
Displacement: 16,040 lbs
Construction: Fiberglass hull and deck
Keel Type: Twin keel
Rudder Type: Spade
Drive Stations: 1
Antifouled: January 2025
Exterior Finish: Gelcoat last polished January 2025
Registration: USA
Propulsion
Engines: 2x Electric 72v motors (14.5 kW each)
Engine Years: 2018 & 2023
Horsepower: 18 hp each
Cruising Speed: 5 knots
Max Speed: 6.5 knots
Drive Type: Shaft
Fuel Type: Hybrid (generator-assisted)
Fuel Capacity: 160 gallons
Propellers: 17"
Generator: 21.5 kW, approx. 2,500 hrs
Fuel Efficiency: Generator runs ~1 out of every 34 hours of motoring
Power & Electrical
Battery Bank:
4x Victron Smart Lithium 24v 200Ah (House, 2022)
48x 3.2v Lithium (Propulsion, 2023)
Battery System: 48v house, 72v propulsion, 12v converted
Battery Chargers: Sunpower Gold 100A, 2x Dakota 15A
Inverter: 12.5 kW
Shore Power: Both 110v & 220v
Solar: 9 panels, 4,000 watts total
Watermaker: 17 GPH, Watermaker Inc.
Air Conditioning: Dometic (cabins), VelAir (salon)
Heating: Reverse cycle AC
Washer: Yes
Electronics
Navigation Suite: Raymarine (Depth, Log, Wind, Radar, Autopilot)
Chartplotter: Raymarine Axiom 12
GPS: Raymarine
Stereo: Fusion with 2 radios
TV: 32 flat screen
Accommodations
Cabins: 3
Berths: 4 (3 doubles, 1 saloon berth)
Headroom (Master): 6'5"
Bathrooms: 3 heads, 4 showers (1 external on sugar scoop)
Toilets: Electric freshwater
Hot Water System: 11 gal, electric
Galley: Central with triple sink, 2x 12v fridges, 1x 12v freezer, microwave, oven/stove
Additional Galley Notes: Gas alarm, no dishwasher or icemaker
Rigging & Sails
Standing Rigging: Replaced 2022
Running Rigging: Replaced 20222025
Mainsail: Functional; new spare on board
Headsail (Jib): Functional
Spinnaker: Lightly used, in good condition
Bowsprit: Yes
Winches: 5 total, 2 electric
Furlers: Yes
Main Reefing: 2 reefs, helm-controlled
Safety Equipment
Life Raft: New August 2022
Life Jackets: 8
Flares: New 2022
EPIRB: New August 2022
Fire Extinguishers: New 2022
Bilge Pumps: 2 per hull (manual and electric)
Other: First aid kit, life ring, harnesses, bosuns chair
Ground Tackle
Primary Anchor: 30kg Bruce, 70m of 10mm chain
Spares: 22kg plow, 20kg Danforth
Windlass: Upgraded, new in 2023
Accessories & Extras
Davits: Yes
Swim Ladder: Yes
Cockpit Cushions: Yes
Deck Shower: Yes
BBQ: Yes
Spare Lines/Fenders: Plenty
Tender/Outboard: Not included
Water Toys: Not included
Refit & Maintenance
2018: New generator, navigation suite, A/C units, and electric propulsion
2022: Full solar and battery upgrade for long-term off-grid use
Ongoing: Generator serviced every 250 hours, light mechanical needs
Sailing History
Launched: France, 2008
Previous Base: Florida (20082022, minimal use)
Current Use: ~10,000 miles through the Caribbean since 2022
Reason for Sale: Pursuing land-based investments
Special Features
Among the first Electric-Hybrid sailing catamarans
Can motor 3,000+ miles on a tank with smart generator use
Continuously upgraded to keep up with evolving technologies
Off-grid ready: solar, lithium, watermaker, and ample power
Damage Disclosure
No known accidents, delamination, keel damage, dismasting, or structural issues reported.
Specifications
SPECS
MEASUREMENTS
ENGINE(S)
Disclaimer
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.
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The process of selling our boat was made very smooth by the Multihull Company and Andrew Hodgdon in particular. Andrew helped us navigate the selling process including moving our boat from Grenada to Florida to execute the sale. We would recommend working with this company, and Andrew Hodgdon in particular, without hesitation.
Very smooth process. Chuck was great and very knowledgeable about the whole process. Im happy to have had TMC to take care of all the things i didnt know about.
Andy
We feel like we got tremendous service from Chuck. He is a total professional, knowledgeable, confident and a natural salesman. While I’m really sad to give up the boat, we are compl we are completely satisfied that Chuck sold it for us.
The Multihull Company-St Augustine, and in particular Andrew Hodgdon handled the sale of my Balance 442 Catamaran. Andrew was professional, transparent and a pleasure to do business with.
Valerie was exceptional. Her experience and the marketplace and contacts and various areas has been most beneficial.
Successful relationships cannot exist without it. At The Multihull Company we base every relationship on a firm commitment to earning and retaining our client’s trust.
Advice of any kind is valuable only when grounded in hard-won expertise. It too, must be trustworthy. Trust and expertise define the heart and soul of The Multihull Company. We are a team of skilled professionals who thrive on providing expert, trustworthy advice and service to catamaran and trimaran sailors around the globe.
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