Yachts for sale / MJM 42

2025 MJM 42

Naples, FL, US 46 ft · 12 ft' beam
Asking
$1,599,000
Our Take

This 2025 MJM 42 represents a fully equipped, never-titled example of one of today's most respected Downeast cruising platforms. At 46 feet with a 12-foot beam and 3-foot draft, the MJM 42 delivers the shallow-water capability and seaworthy hull design that define the Downeast category while maintaining the refinement and interior volume expected in a modern luxury cruising yacht.

Propulsion & Performance

Twin Volvo Penta D6 DPI engines rated at 440 horsepower each provide the power and efficiency this platform was engineered around. Joystick piloting comes standard, transforming docking and close-quarters maneuvering into intuitive, single-hand operation. With 475 gallons of fuel capacity and a 110-gallon water tank, the MJM 42 is configured for extended cruising range and self-sufficiency at anchor. Engine hours were 63 at the time of listing.

Exterior Design & Protection

The hull wears striking Metallic Dolphin paint, a bold aesthetic choice that sets this yacht apart visually. The exterior prioritizes both form and function: premium synthetic teak decking spans the pilothouse, cockpit, and swim platform, offering the classic appearance of traditional teak with modern durability and minimal maintenance. A full glass aft enclosure with bifold door transforms the pilothouse into a protected, climate-controlled retreat when weather demands it, yet opens completely for natural ventilation and unobstructed sightlines. An aft cockpit bimini, aft cockpit cover, and Sunbrella roll-up privacy curtains provide layered weather protection and privacy options for entertaining or relaxed anchoring.

Interior Comfort & Accommodation

Below deck, the layout centers on livability and extended cruising comfort. A private stateroom offers a genuine retreat, while a fully equipped head and luxury galley support self-sufficient cruising. The cabin is bright and thoughtfully finished with handcrafted details, abundant storage, and the kind of refined joinery expected in this class. A 26-inch Smart TV in the cabin and a 32-inch drop-down Smart TV in the pilothouse bring modern entertainment and navigation display flexibility to the living spaces.

Climate Control & Mechanical Systems

A 32,000 BTU marine air conditioning system with dual-zone climate control maintains comfort in warm climates and during extended seasons. A 6kW generator provides independent electrical power for air conditioning, galley appliances, and all hotel loads at anchor or underway. The Seakeeper gyro stabilizer reduces roll at rest and underway, a premium option that meaningfully improves comfort in choppy conditions—particularly valuable for a yacht intended for year-round cruising.

Navigation & Connectivity

Garmin electronics are integrated throughout, including the Garmin GMR Fantom radar system, which delivers exceptional target definition and reliability in all weather. Advanced Garmin displays in the pilothouse provide chart plotting, sounder integration, and engine monitoring in one cohesive ecosystem. A FLIR M232 thermal night vision camera adds a significant safety and situational awareness layer for night cruising and low-visibility conditions.

Docking & Handling

A bow thruster paired with joystick piloting makes single-handed docking and close-quarters maneuvering straightforward, even for owners new to larger yachts. This combination of technology and design is one of the defining strengths of the MJM platform.

Additional Features

The MJM

Provided listing description Click to read the original broker text

This all-new, never titled MJM 42 represents the pinnacle of modern Downeast luxury — combining timeless design, cutting-edge technology, and exceptional offshore performance in a remarkably versatile platform. Built with MJM’s advanced epoxy-infused composite construction and engineered for efficiency, safety, and comfort, the MJM 42 delivers a smooth, quiet, and confident ride in all conditions. Finished in striking Metallic Dolphin hull paint, this highly optioned example makes a bold yet elegant statement at every dock. Power is provided by twin Volvo Penta 440 HP D6 DPI engines with joystick piloting, offering effortless docking, precise maneuverability, and strong, efficient cruising performance. Designed for true all-season enjoyment and seamless indoor-outdoor living, this MJM 42 is extensively equipped for comfort and versatility. A full glass aft enclosure with bifold door creates a protected, climate-controlled pilothouse environment when needed, while still allowing open-air flow when desired. Additional protection and usability come from the aft cockpit bimini, aft cockpit cover, and Sunbrella roll-up privacy curtains. Premium synthetic teak decking extends throughout the pilothouse, cockpit, and swim platform, delivering the classic look of traditional teak with modern durability and low maintenance. The result is a refined and functional exterior that is equally suited for entertaining, cruising, or relaxing at anchor. This vessel is loaded with premium yacht-grade options, including: ­Seakeeper gyro stabilizer for superior stability at rest and underway­ ­Bow thruster for precise docking control­ ­6kW generator­ ­32,000 BTU marine air conditioning system with dual-zone climate control­ ­26” Smart TV in cabin­ ­32” drop-down Smart TV in pilothouse­ ­Underwater lighting package­ ­FLIR M232 thermal night vision camera­ ­Garmin GMR Fantom radar system­ Standard MJM 42 features include advanced Garmin electronics, joystick piloting, premium helm seating, opening side windows, retractable sunroof, integrated swim platform, high-end stainless hardware, luxury galley, refined private stateroom, and exceptional craftsmanship throughout. Below deck, the beautifully appointed interior offers a bright, elegant living space with handcrafted finishes, abundant storage, a private stateroom, and a fully equipped head — designed for extended cruising comfort without compromise. New warranties are available, providing additional peace of mind and factory-backed protection for the next owner. Trades will also be considered, making this an outstanding opportunity to step into a brand-new, never titled MJM 42 with flexibility on acquisition. This is a rare chance to own a highly equipped MJM 42 without the wait, uncertainty, or escalating costs of a new build. Sophisticated, capable, and exceptionally well-appointed, this yacht is equally at home entertaining dockside, cruising the coastline, or embarking on extended adventures in complete comfort. Financing also available! Engine hours at time of listing: 63

2025 MJM 42: Never-Titled Downeast Luxury Motor Yacht with Twin Volvo Penta Power
Overview
The 2025 MJM 42 represents a contemporary interpretation of classic Downeast design, engineered for owners who demand both timeless aesthetics and modern offshore capability. This never-titled example, finished in striking Metallic Dolphin hull paint, combines MJM's advanced epoxy-infused composite construction with a comprehensive suite of premium options that elevate it beyond standard specifications. At 46 feet in length with a 12-foot beam and 3-foot draft, the MJM 42 is purpose-built for smooth-water and coastal cruising, delivering confident handling and fuel-efficient performance across variable sea states. Power comes from twin Volvo Penta 440 HP D6 DPI diesel engines, a platform known for reliability, efficiency, and strong mid-range torque. The joystick piloting system—standard on this model—transforms docking and low-speed maneuvering from a multi-step exercise into intuitive, single-hand control. With only 63 engine hours at listing, this vessel is essentially new, offering the advantage of factory-fresh systems without the extended wait times and cost uncertainty of a custom build order.
Design Philosophy and Hull Construction
MJM Yachts has built its reputation on hulls that balance displacement-driven efficiency with modern composite durability. The MJM 42's construction employs advanced epoxy-infused composite techniques, resulting in a structure that is both strong and lightweight—critical attributes for fuel economy and sea-keeping performance. The hull's design emphasizes a moderate deadrise forward, transitioning to a flatter run aft, which reduces pitching motion and allows the boat to settle comfortably at cruising speed rather than climbing over waves. The 3-foot draft is a significant practical advantage for owners who cruise shallow-water destinations, explore coastal rivers, or anchor in protected bays without the concern of running aground. Combined with the 12-foot beam, this proportional design ensures the MJM 42 remains stable underway while remaining nimble enough to navigate narrow channels and marina basins.
Exterior Design and Weather Protection
The exterior of this MJM 42 emphasizes versatility and refined entertaining. Premium synthetic teak decking extends across the pilothouse sole, cockpit, and swim platform, delivering the warm, traditional appearance of natural teak with the practical benefits of low maintenance and superior durability. Unlike real teak, synthetic decking resists splintering, requires no seasonal oiling, and withstands constant sun exposure without graying or checking. A full glass aft enclosure with bifold door creates a protected pilothouse environment that can be fully climate-controlled during inclement weather or opened completely to the elements when conditions permit. This dual-mode design is central to the MJM 42's appeal: it functions as an enclosed, year-round cruising platform in winter or shoulder seasons, yet transforms into an open-air social hub for summer entertaining and dockside relaxation. Additional weather protection includes an aft cockpit bimini, a full aft cockpit cover, and Sunbrella roll-up privacy curtains, allowing owners to tailor sun and wind exposure to their preference. The retractable sunroof—a standard feature—floods the pilothouse with natural light and fresh air while maintaining the option for overhead shade or full enclosure.
Helm and Electronics Integration
The helm station represents the operational heart of the MJM 42, designed for both comfort during extended cruising and precision during docking maneuvers. Premium helm seating provides ergonomic support and excellent sightlines, while opening side windows ensure adequate ventilation and visibility. The joystick piloting system—integrated with the twin Volvo Penta engines—allows single-handed control of forward, neutral, and reverse thrust, as well as independent port and starboard engine commands for precise lateral movement without traditional wheel steering. Electronics are anchored by Garmin's advanced systems, including the GMR Fantom radar, which delivers exceptional target definition and clutter rejection in all weather conditions. Garmin's integrated navigation suite—standard on this model—provides chart plotting, sonar integration, autopilot functionality, and engine monitoring through a cohesive touchscreen interface. The FLIR M232 thermal night vision camera adds a significant safety and operational advantage, enabling clear visualization of the water ahead, nearby vessels, and obstacles in low-light conditions or complete darkness. A 32-inch drop-down Smart TV in the pilothouse allows entertainment or navigation display during extended anchoring or dockside stays, while the full glass enclosure ensures the screen remains visible and protected from sun glare.
Interior Layout and Accommodations
Below deck, the MJM 42 prioritizes comfort and functionality without sacrificing the open, airy feel expected in a modern cruising yacht. The cabin features a refined private stateroom with a full-size berth, handcrafted finishes, and abundant natural light from cabin windows. A fully equipped head with shower facilities supports extended cruising, while the luxury galley—positioned for efficient meal preparation and easy access from the main cabin—is outfitted with premium appliances and ample counter and storage space. The main cabin serves as both living and dining area, with comfortable seating, a 26-inch Smart TV for entertainment, and strategic storage throughout. The layout emphasizes sightlines to the pilothouse, maintaining connection to the helm and the water beyond, a design principle that enhances the sense of space and keeps all occupants engaged with the boating experience.
Climate Control and Comfort Systems
Comfort in variable weather is ensured by a 32,000 BTU marine air conditioning system with dual-zone climate control, allowing separate temperature management for the cabin and pilothouse. This capacity is substantial for a 46-foot yacht and ensures efficient cooling during warm-weather cruising or hot-climate anchoring. The system operates quietly and draws reasonable electrical load when running on shore power or the onboard generator. The 6kW generator provides reliable electrical power for air conditioning, galley appliances, heating, and entertainment systems when away from the dock. At 6kW, the generator is sized appropriately for the vessel's electrical load and can run the AC system and other hotel loads simultaneously during extended anchoring or coastal cruising.
Propulsion and Performance
Twin Volvo Penta 440 HP D6 DPI engines represent the standard power package for the MJM 42, delivering a balance of fuel efficiency, reliability, and adequate performance for the vessel's displacement and intended use. The D6 DPI (Direct Fuel Injection with Pilot injection) platform features advanced combustion control, reducing emissions and improving fuel economy compared to earlier diesel generations. Joystick piloting, integrated with these engines, enables effortless docking and low-speed maneuvering—a feature that transforms the ownership experience, particularly for single-operator situations or tight marina environments. The 475-gallon fuel capacity supports extended coastal cruising or offshore passages, with consumption rates typical of displacement cruising yachts at moderate speeds. The 110-gallon water capacity provides ample fresh water for showers, galley use, and head operations during multi-day cruising without requiring frequent dock visits.
Stabilization and Sea-Keeping
The Seakeeper gyro stabilizer—included as an option on this example—represents a significant upgrade that substantially improves comfort underway and at rest. Gyro stabilizers reduce roll motion by up to 90 percent in beam seas, a capability that transforms the cruising experience in choppy conditions. At rest, the Seakeeper maintains vessel stability, reducing the tendency to rock in a seaway and improving comfort for sleeping, cooking, or entertaining while anchored. The system operates independently of vessel motion, making it effective across a wide range of sea states and speeds.
Docking and Maneuvering Systems
Beyond the joystick piloting system, the bow thruster—an included option on this vessel—provides additional precision during docking and anchoring. A bow thruster allows independent lateral movement of the bow without engine thrust, enabling owners to align the vessel with dock pilings, navigate tight slips, or hold position while anchoring in crosswinds. Combined with the joystick system, the bow thruster transforms what might otherwise be a two-person operation into a single-operator task.
Lighting and Entertainment
Underwater lighting extends the vessel's visual appeal during evening anchoring or dockside entertaining, illuminating the hull and surrounding water with programmable LED systems. The lighting package enhances both aesthetics and safety, improving visibility around the vessel during night operations.
Specification and Value Proposition
At 46 feet with a 12-foot beam and 3-foot draft, the MJM 42 occupies a practical niche in the cruising yacht market—large enough to offer genuine overnight accommodations and extended cruising capability, yet manageable enough for owner-operator
Length
46 ft
Beam
12 ft'
Year
2025
Builder
MJM
Model
42
What type of boat is the MJM 42, and who is it designed for?
The MJM 42 is a 46-foot Downeast-style motor yacht built on a modern composite hull, designed for owners who want a versatile platform capable of both coastal cruising and extended offshore adventures. The design balances classic Downeast aesthetics with contemporary technology and comfort features, making it well-suited for families, couples, and serious cruisers who value efficiency, seaworthiness, and year-round usability. The boat excels in rough water due to its hull design and stabilization systems, while the interior layout and climate control options make it comfortable for extended time aboard.
What engines power the MJM 42, and how do they perform?
This 2025 MJM 42 is powered by twin Volvo Penta 440 HP D6 DPI diesel engines, which deliver strong, efficient cruising performance and excellent fuel economy compared to gasoline alternatives. The D6 DPI is a proven marine diesel known for reliability and longevity, making it a popular choice for owners planning extended cruising. With joystick piloting integrated into the helm, the engines provide effortless docking and precise maneuverability, allowing single-handed operation in tight spaces. The twin-diesel configuration offers redundancy and balanced weight distribution for optimal handling.
Does the MJM 42 have stabilization, and how does it improve the boating experience?
Yes, this vessel is equipped with a Seakeeper gyro stabilizer, which significantly reduces rolling motion both at rest and while underway. The gyroscopic stabilization system works independently of boat speed, making it particularly valuable when anchored or cruising at lower speeds in beam seas. Seakeeper technology is especially appreciated on extended cruises and overnight passages, as it improves comfort, reduces fatigue, and allows better sleep in the cabin. This is a premium upgrade that enhances the boat's all-season usability and makes rough-water conditions more manageable.
What docking and maneuvering features does the MJM 42 offer?
The MJM 42 features joystick piloting integrated with the twin diesel engines, which allows the helm operator to move the boat sideways, forward, and backward with intuitive stick control—eliminating the need to juggle separate throttle and steering inputs. Additionally, a bow thruster provides independent thrust at the bow for precise docking control and tight-space maneuvering. Together, these systems make docking effortless and allow confident single-handed operation, even in challenging conditions or crowded anchorages.
What electronics and navigation systems are included on this MJM 42?
The vessel is equipped with advanced Garmin electronics as standard, including a Garmin GMR Fantom radar system for excellent target detection and weather awareness. The pilothouse features a 32-inch drop-down smart TV for chart display and entertainment, while a FLIR M232 thermal night vision camera provides enhanced visibility in low-light conditions and can detect other vessels and navigation hazards. These integrated systems create a comprehensive helm station suitable for confident offshore navigation and all-weather operation.
How is the interior layout arranged, and what accommodations are provided?
Below deck, the MJM 42 offers a bright, elegantly appointed interior with a private stateroom, fully equipped head, and a luxury galley for meal preparation. The cabin features a 26-inch smart TV for entertainment and a refined living space with handcrafted finishes and abundant storage throughout. The layout is designed for extended cruising comfort, with thoughtful use of space and high-quality materials. The interior benefits from the retractable sunroof and opening side windows that flood the cabin with natural light and fresh air when desired.
What climate control and comfort features does the MJM 42 have?
The vessel includes a 32,000 BTU marine air conditioning system with dual-zone climate control, allowing separate temperature management in the cabin and pilothouse areas. A 6kW generator provides reliable power for the AC system and all onboard electrical needs during extended anchoring or cruising. The full glass aft enclosure with bifold door creates a protected, climate-controlled pilothouse environment that can be opened for fresh-air enjoyment, and the aft cockpit bimini and cover provide shade and weather protection for outdoor entertaining and relaxation.
How is the outdoor living space designed on the MJM 42?
The MJM 42 emphasizes seamless indoor-outdoor living with premium synthetic teak decking throughout the pilothouse, cockpit, and swim platform—delivering the classic appearance of traditional teak with modern durability and minimal maintenance. The aft cockpit features a bimini top and full cover for weather and sun protection, complemented by Sunbrella roll-up privacy curtains for flexible privacy and wind control. An integrated swim platform with underwater lighting creates an inviting space for water activities and entertaining. The overall design balances open-air enjoyment with practical protection for all-season use.
What construction methods and materials are used in the MJM 42 hull?
The MJM 42 is built using MJM's advanced epoxy-infused composite construction, which combines strength, durability, and weight efficiency. This modern building method creates a rigid, seaworthy hull that performs well in rough water while maintaining fuel efficiency. The composite approach also allows for superior noise and vibration isolation compared to traditional construction, contributing to the quiet, refined ride that owners appreciate during extended cruising. The hull is finished in striking Metallic Dolphin paint, providing both aesthetic appeal and UV protection.
What makes the MJM 42 suitable for extended cruising and offshore use?
The MJM 42 combines several attributes that support extended offshore cruising: a proven Downeast hull design optimized for rough water, twin diesel engines with excellent fuel economy, a Seakeeper stabilization system for comfort in all conditions, comprehensive Garmin electronics and radar for confident navigation, a 475-gallon fuel capacity for extended range, a 110-gallon water capacity for self-sufficiency, and a well-appointed interior with private stateroom and galley for comfortable extended time aboard. The boat's efficient design, premium construction, and integrated systems make it capable of handling multi-day or longer passages while maintaining comfort and safety.

Fly Yachts is pleased to assist you in the purchase of this vessel. This boat is centrally listed by MarineMax Naples. It is offered as a convenience by this broker/dealer to its clients and is not intended to convey direct representation of a particular vessel.

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