PRIVATE OWNER SALE

2009 Lagoon 420
Alpha Cat

A distinguished blue-water catamaran curated for discerning sailors. Perfectly equipped, impeccably maintained, and prepared for your next long-range ocean expedition.

Direct Seller Consultation · Rigorous Maintenance Log · Verified Caribbean Inventory

CERTIFIED NAVAL ARCHITECTURE

Factual Measurements

Principal hydrostatic dimensions, structural clearances, and operational capacities documented in metric and imperial standards.

PRIMARY HULL METRICS
Hydrostatic Geometry
Length Overall (LOA)
58' 4" / 17.78 m
Waterline Length (LWL)
55' 9" / 17.00 m
Beam Overall (BOA)
29' 6" / 9.00 m
Draft (Boards Up)
4' 7" / 1.40 m
Draft (Boards Down)
8' 2" / 2.50 m
Light Displacement
21,500 kg
Air Draft (Clearance)
86' 3" / 26.30 m
Bridgedeck Clearance
3' 1" / 0.94 m
RIGGING & STORES
Sail Plan & Tankage
Upwind Sail Area
198 m² / 2,131 sq ft
Mainsail Area
118 m² / 1,270 sq ft
Solent Jib (Self-Tack)
80 m² / 861 sq ft
Gennaker / Code 0
165 m² / 1,776 sq ft
Fuel Tankage (Total)
1,200 L / 317 US gal
Fresh Water Tankage
800 L / 211 US gal
Black Water Holding
2 × 85 L
Spar Specification
Fractional Carbon

COMPREHENSIVE ON-BOARD TOUR

Owner-Narrated Walkthrough

An unscripted deck-to-keel inspection documenting operational helm configurations, salon volume, bridge visibility, and underway handling dynamics under real maritime conditions.

AUDIO GUIDED • 4K RESOLUTION • UNEDITED RUNNING FOOTAGE

SPACIOUS ONBOARD LIVING

Living Aboard

Designed for effortless ocean living, every interior space flows naturally into the cockpit, uniting climate-controlled refinement with direct open-air relaxation.

INDOOR-OUTDOOR ENTERTAINING

Panoramic Salon & Gourmet Galley

Panoramic salon and galley connected to the cockpit with expansive flush sliding doors, inviting gentle trade winds and creating one unified social sanctuary for dining or lounging at sea.

  • Integrated marine dishwasher
  • Full-size front-opening refrigerator
  • Two high-capacity deep freezers
Catamaran salon and galley seamlessly flowing into the aft cockpit
Onboard salon entertainment area with media screen and domestic comforts

LONG-PASSAGE COMFORT

Media & Domestic Utilities

Extended cruising demands dependable residential infrastructure. Enjoy movie nights under anchor and hassle-free domestic management across weeks at sea.

  • Recent combination washer/dryer unit
  • Dedicated high-definition TV
  • Full-HD projector and roll-up cinema screen

PRIVATE STATEROOMS

Staterooms & En-Suite Heads

Restful owner and guest quarters fitted with abundant natural light, quiet ventilation, and hotel-grade privacy across each hull.

  • Queen cabins with ample wardrobe and under-bed storage
  • Quiet electric freshwater-flush marine toilets
  • Separate forward walk-in showers
Luxurious queen cabin stateroom with built-in storage and ocean view portlights

OFFSHORE CAPABILITY & AUTONOMY

Technical Systems

Proven engineering packages specified for continuous bluewater autonomy, redundant power telemetry, and complete dive support.

Victron Monitoring

Integrated digital power supervision delivering comprehensive diagnostics and real-time battery reserve telemetry.

  • Precision state-of-charge tracking
  • Solar and alternator charge telemetry
  • Centralized DC/AC system monitoring

Spectra Watermaker

High-efficiency reverse osmosis desalination engineered for reliable freshwater autonomy on extended passages.

  • Feed pumps renewed in 2025
  • RO membrane replaced in 2025
  • Energy-recovery low amp-draw profile

Dive Compressor & Tanks

Dedicated self-contained diving station supporting independent underwater exploration and hull maintenance.

  • High-pressure onboard dive compressor
  • Four certified dive bottles in secured racks
  • Clean air filtration and fill manifold

Tools & Critical Spares Stowage

Engineered workshop stowage compartments purpose-built for comprehensive toolkits, critical machinery spares, and organized dive gear.

  • Organized compartments for full maintenance toolkits
  • Dedicated inventory lockers for mechanical spares
  • Secured ventilated space for dive and deck gear

Fire Suppression & Safety Systems

Owner-reported automatic machinery space fire suppression backed by strategically placed manual firefighting equipment.

  • Engine room automatic fire suppression system
  • Multiple distributed marine fire extinguishers
  • Regularly inspected passive safety safeguards

RECENT PASSAGE & VIEWINGS

Caribbean Route

Alpha Cat has traced an unhurried, distinguished trajectory across the Leeward and Windward chains throughout the past season. Cruising between protected deep-water anchorages and premier marine havens, the vessel is maintained in prime operational readiness, presenting prospective buyers with an authentic portrait of true blue-water autonomy and Caribbean passage-making elegance.

Winter Anchorage

Antigua & Barbuda

English Harbour shakedown & master systems tuning

Mid-Season Staging

St. Barthélemy

Gustavia roads tender trials & formal offshore transit

Island Passage

Virgin Gorda

North Sound prolonged blue-water autonomy verification

Current Berth

St. Thomas, USVI

Private dockage reserved for scheduled buyer walkthroughs

PLANNED VIEWING PROTOCOL

Private Walkthroughs by Appointment

Vessel viewings are coordinated exclusively through central brokerage representation. Accompanied boarding includes dockside access, dedicated crew briefing, and an overview of current route logs. Sea trial availability is reserved strictly for principals upon accepted contract terms.

CONFIDENTIAL DOSSIER & VIEWING

Serious Inquiry

Private boardings and sea trials are scheduled strictly for vetted prospective owners and authorized client representatives. Upon receipt of this request, the appointed brokerage desk will furnish the official technical record and arrange direct boarding logistics.

Direct Brokerage Line+1 (954) 842-9918
[email protected]

Encrypted Client Communication & Non-Disclosure Protocol

Request Transmitted. The designated maritime representative will contact you securely within 4 business hours.
Strict confidentiality assured. Direct representation only.

OFFSHORE BLUEWATER CATAMARAN

2009 Lagoon 420 - Alpha Cat

A proven liveaboard catamaran shaped by 18 months of Caribbean cruising.

St. Thomas, USVI · Private Liveaboard Condition · Survey & Engine Logs Available

ENGINEERING BENCHMARKS & CAPACITIES

Vessel Specifications

Verified architectural parameters and autonomous off-grid energy storage verified for long-range cruising.

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OVERALL LENGTH (LOA)
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PRIVATE EN-SUITE CABINS
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SOLAR ARRAY POWER
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LITHIUM BANK CAPACITY
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AUXILIARY GENERATOR
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CABIN CONVERTED TO GARAGE

ONBOARD PERSPECTIVE

Owner-Narrated Walkthrough

An unhurried guided tour covering bridge systems, underway performance, and craftsmanship highlights directly from the deck.

FINAL VIDEO WILL BE ADDED HERE

Final master recording in 4K resolution featuring narrative commentary on ocean passage handling and engine room access will be inserted here prior to launch.

CRUISING LOG & VIEWING DESTINATION

Caribbean Journey

Over 18 months, Alpha Cat’s Caribbean journey included Grenada, Saint Martin, Saint Thomas, Puerto Rico, Bonaire and Curaçao. Built for extended offshore autonomy, her passage records confirm sustained bluewater capability across open ocean passages and pristine island anchorages.

01
Grenada
Windward Isles
02
Saint Martin
Leeward Anchor
03
Saint Thomas
US Virgin Isles
04
Puerto Rico
Spanish Virgin
05
Bonaire
Dutch Antilles
06
Curaçao
Deepwater Berth
Planned Inspection Port

Georgetown, Bahamas

Georgetown, Bahamas is the planned viewing destination; timing to be confirmed. Private vessel inspections and sea trials are coordinated strictly by appointment.

Viewing Availability
By Appointment

Direct liaison with yacht owner’s representative. Coordinates and berthing confirmations delivered upon qualified registration.

INQUIRY

Request Details

Request details and planned viewing information.

  • Direct liaison with dedicated acquisition specialist
  • Complete vessel dossier, logbooks, and survey records
  • Discreet private dockside showing arrangements

Confidentiality Notice: All discussions and viewing inquiries are handled under strict non-disclosure discretion.

Private Acquisition Inquiry

Complete the confidential form below to receive the complete specification and schedule an inspection.

Thank you. Your inquiry has been dispatched discreetly to the senior broker.