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Used Sail Catamaran for sale Lagoon 420 Full Specifications

$380,000 S/V HH Sound Waves

S/V HH Sound Waves

2008 Lagoon 420 HH Sound Waves Overview

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
Extensive upgrades, including dual electric propulsion motors, 4,000W of solar, and a 21.5kW generator
Ideal for eco-conscious sailors looking to explore the world in quiet, efficient style
3-cabin owner''s version
Over $100,000 in recent upgrades
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

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

BASIC SUMMARY

Boat Length

42 ft

Asking Price

$380,000

Manufacturer

Lagoon

Year Built

2008

Model

Lagoon 420

Type of Yacht

Sail

Boat Condition

Used

Boat Name

"S/V HH Sound Waves"

Status

For Sale

LOCATION

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Boat Description

2008 Lagoon 420 HH Sound Waves – Currently Located in the Caribbean

Experience the next generation of sustainable luxury cruising with HH Sound Waves, a beautifully maintained Lagoon 420 Hybrid catamaran. As an early adopter of hybrid-electric technology, the Lagoon 420 is renowned worldwide for offering the perfect balance of performance, comfort, and eco-friendly innovation. This vessel is a rare opportunity for discerning sailors seeking smooth, silent propulsion and exceptional independence on the water.

This sought-after 3-cabin owner’s version of the Lagoon 420 has benefited from over $100,000 in recent upgrades, ensuring she is presented in outstanding condition. Her advanced dual electric propulsion motors are complemented by a robust 4,000W solar power array and a powerful 21.5kW generator. Together, they provide remarkable off-grid capabilities—excellent for long-range cruising and minimizing fuel dependence without compromising on comfort.

Inside, HH Sound Waves features the spacious living areas, panoramic salon windows, and ergonomic design Lagoon catamarans are celebrated for, creating a welcoming environment for liveaboard living or extended adventures on the ocean. Whether at anchor in a remote bay or under sail between islands, she blends luxury and sustainability for a truly modern yachting lifestyle.

Step aboard and discover why the Lagoon 420 Hybrid continues to set the standard for innovative cruising. HH Sound Waves is ready for her next voyage—are you?

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 desired validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice. Photos may not properly reflect the current condition of the actual vessel offered for sale. In some cases stock photographs may have been used.

Mechanical Disclaimer

Engine and generator hours are as of the date of the original listing and are a representation of what the listing broker is told by the owner and/or actual reading of the engine hour meters. The broker cannot guarantee the true hours. It is the responsibility of the purchaser and/or his agent to verify engine hours, warranties implied or otherwise and major overhauls as well as all other representations noted on the listing.

Dinghy Disclaimer

All dinghies are considered separate vessels and should have separate titles and documents. There is no guarantee as to the title of the dinghy on this vessel so Buyer accepts that while he may receive the dinghy included in the transaction, he may not receive the proper title to it.