2008 Lagoon 420 – HH Sound Waves Currently 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 3–4 hours of motoring
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 2022–2025 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, bosun’s 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 (2008–2022, 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.
Details
ManufacturerLagoon
Model420
Year (Build / Refit)2008
Length12.6m
Total Power18 hp
Beam7.4m
Specifications
Dimensions
Length12.6m
Beam7.4m
Hull
MaterialGRP
Propulsion
Engine 1
Fuel TypeElectric
Power18 hp
Year2018
Listing details on this page are provided by The Multihull Company as marketing material. Please contact the broker directly for full details.