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Lagoon 420 | Extensively Modified Performance-Oriented Cruising Catamaran
Rollercoaster is a highly customized Lagoon 420 that stands apart from any standard example on the market. Designed for owners who value the legendary comfort, layout, and livability of the Lagoon 420but want significantly improved offshore performance, motion, and safetythis vessel has undergone a professionally engineered hull transformation and comprehensive systems upgrades.
Following extensive research and consultation with experienced fabricators and naval design principles, Rollercoaster was lengthened both aft and forward, resulting in a dramatically increased waterline length, reduced pitching, improved speed, and a noticeably smoother motion in a seaway. All structural modifications were executed by Cracker Boy Boatworks (Riviera Beach, FL) and inspected during construction by a marine surveyor (survey documentation available upon request).
The result is a rare opportunity: a proven, comfortable cruising catamaran with the waterline length, reserve buoyancy, and wave-piercing characteristics typically found on much larger performance cats.
Rollercoaster is not a typical Lagoon 420. It is a thoughtfully re-engineered cruising catamaran that retains the exceptional interior volume, cockpit-galley flow, and liveaboard comfort the model is known forwhile delivering the speed, motion control, and offshore confidence of a much longer vessel.
For sailors seeking a proven, long-range cruising platform with meaningful structural upgrades, serious energy independence, and professional execution throughout, Rollercoaster represents a rare and compelling opportunity.
Specifications
SPECS
MEASUREMENTS
ENGINE(S)
TANKS
Accommodations
Hull & Structural Modifications
Extended Transoms Approx. 5 ft (1.5 m)
Eliminates submerged transoms for reduced drag
Substantially increases reserve buoyancy aft
Greatly reduces hobby-horsing in short-period seas
Improves boarding, swimming access, and deck space
Finished with Plasdeck Cool Teak (cooler underfoot, no maintenance)
Extended Axe Bows Approx. 3 ft (1 m)
Narrower, wave-piercing entry inspired by modern axe-bow research
Improves comfort and safety when motoring or sailing into head seas
Enhances overall seaworthiness and offshore capability
Net Effect
Approximately 49 ft effective waterline length
Improved passage speeds
More controlled motion in inlets and offshore conditions
Rig & Sail Inventory
Full-batten, large-roach mainsail (stock)
Furling headsail (stock)
Quantum A3 Asymmetric Spinnaker (~1,200 sq ft)
Ground Tackle & Deck Hardware
60 lb Ultra Anchor with flip swivel
Fortress FX-85 secondary anchor
200 ft of 3/8″ chain (2020)
Lofrans Project 1000 windlass
Custom heavy-duty davits
Dual swing-arm lifting davits (~300 lb each)
Integrated into solar arch
Cockpit & Exterior
Full cockpit enclosure
Cockpit dodger
Aft roll-up cockpit shades
Standard Lagoon cockpit cushions
Exterior sun screen curtains
Aft bench seating
Kayak / SUP carrier
Electrical & Energy Systems
This vessel is designed for true off-grid cruising with a highly efficient 24-volt lithium system.
House Battery Bank
4 ReLion 10.2 kWh RB24V100 LiFePO batteries (2019)
Total capacity: 12.8 kWh @ 24 volts
Solar
6 Kyocera 250-watt marine solar panels (1,500 watts total)
Panels integrated into davits and bimini for shade and efficiency
2 Outback 60A MPPT solar charge controllers
Inverter / Charging
Outback 3500-watt inverter/charger
Separate 120V / 20A circuit for high-draw galley appliances
Outback MATE network monitoring system
Starting & Legacy Systems
3 Napa 775 starting batteries
Original 12V system retained for lighting, windlass, winches, electronics
Victron step-down converters supply 24V 12V efficiently
Generator
Onan 21.5 kW generator (approx. 4,730 hours)
Plumbing & Utilities
Spectra Catalina 300 watermaker
Quick electric water heater
Panda portable washer
Electric hot water capability via solar under favorable conditions
Galley & Interior
Isotherm CR130 refrigerator
Isotherm CR90F freezer
Dual-burner induction cooktop
Sunbeam microwave
Edgestar icemaker
Lagoon blue upholstery
Lagoon standard curtains
Accommodations & Climate Control
3-cabin / 3-head owners version layout
Manual Jabsco heads
4-zone air conditioning:
(3) 8,000 BTU units
(1) 24,000 BTU unit
Navigation & Electronics
Raymarine HD color radar (2017)
Raymarine Axiom 12 chartplotter (2020)
Raymarine SmartPilot autopilot (hydraulic)
Raymarine AIS Class B transceiver
Plastimo compass
Bahamas Explorer charts
Maptech charts for U.S. East Coast & Puerto Rico
(2) Handheld VHF radios
Helm steering wheel lock tied to autopilot hydraulic valve
Propulsion & Mechanical
Twin Yanmar diesels with SD-50 saildrives
Saildrive thrust bearings upgraded to non-wearing needle bearings (2017)
Gori 2-blade folding propellers
Excellent sailing efficiency
Reduced drag
Line-shedding design
Standing rigging replaced with Staylock / Norseman fittings (2017)
Safety & Tender
ACR Global EPIRB
Walker Bay console tender w/30 HP Tahatsu outboard
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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We had an outstanding experience working with Andrew Hodgdon to find our dream boat, an Outremer 52.
We were actually referred to him by several different people—clients who had been very happy working with him, as well as boat owners who were planning to use him to sell their own boats. After working with Andrew ourselves, we completely understand why he came so highly recommended.
We worked with him for several months, and from start to finish, he was exceptional. Andrew is incredibly knowledgeable and truly an expert when it comes to performance catamarans. He took the time to understand exactly what we were looking for, was always responsive and organized, and never made us feel pressured throughout the process.
Andrew went above and beyond to arrange showings for us in multiple states and even traveled to another state to be there with us for the sea trial. His expertise and guidance gave us tremendous confidence as we evaluated such a significant purchase.
The entire process could have been overwhelming, but he made it remarkably smooth. He was on top of every detail and made the paperwork and closing process easy, working seamlessly with his team at The Multihull Company.
What impressed us most was that he genuinely had our best interests in mind. And his support didn’t end when the sale was completed. He has continued to stay in touch and has made it clear that he is still available to help us if we ever need him. That kind of follow-through is rare and speaks volumes about the kind of broker he is.
Buying an Outremer 52 was a huge decision and a major investment, and having someone with his knowledge, experience, responsiveness, and integrity made the entire experience so much easier and more enjoyable.
We couldn’t recommend Andrew Hodgdon more highly. If you’re looking for a yacht broker—especially if you’re considering a performance catamaran—we would choose him again without hesitation. The fact that so many people recommended him to us was the reason we called him, and after working with him, we would be one of those people recommending him to others.
I highly recommend Andrew Hodgdon. He served as our buyers broker. He is responsive, highly knowledgeable and very experienced. He is also an excellent guide and counselor before, during and after the boat purchase process. If you are looking for a good-sailing cat, he seems to collect most of the available boats on the better-sailing side of the market. Top marks.
Andrew did an excellent job getting me started on my new adventures. Worked with my conflicting schedule. Is very knowledgeable in the catamaran industry. 😎
I recently sold my Lagoon 450 with the Multihull Team. I would highly recommend their services. The professionalism and personal treatment I received was greatly appreciated.
Great Service, Great People
Helped me through the process.
I would go through them again in a future purchase.
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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Broad estimate by TMC based on the listing's published equipment, typical installed costs for this size of boat, and yard rates in the selected region. Not a survey, a quote or the listing broker's representation, and not a substitute for a professional marine survey. Verify all equipment and condition through a survey before you buy. Delivery, freight and financing figures are estimates; your broker confirms them.
