Yachts for sale / MJM 42

2025 MJM 42

Quincy, MA, US 46 ft · 12 ft' beam
Asking
$1,889,000
Our Thoughts

The 2025 MJM 42 represents a contemporary interpretation of classic Downeast design, engineered for owners who demand both cruising capability and refined onboard living. At 46 feet with a 12-foot beam and shallow 3-foot draft, this pilothouse motor yacht balances seaworthy proportions with the shallow-water access that defines New England coastal boating—equally suited to Boston Harbor, Nantucket, and the Maine coast.

Power & Propulsion

Twin Volvo D6-DPI 440 HP six-cylinder diesel engines provide the responsive, efficient power expected of a modern cruising yacht in this class. Volvo VesselView integrated displays deliver real-time engine monitoring, speed, depth, and water temperature data. Gyro stabilization and electro trim tabs work in concert to maintain a smooth, level ride across variable sea states—a practical advantage for extended coastal passages and anchored entertaining.

Navigation & Electronics

The electronics package reflects a serious approach to coastal cruising and safety. Dual Garmin 16-inch GPSMAP touchscreen plotters deliver comprehensive charting, route planning, and situational awareness across redundant systems. A Garmin GMR Fantom 18x radar paired with VHF radio and AIS transponder ensures reliable target tracking and communication whether navigating coastal fog or monitoring traffic in busy harbors. Sionyx Nightwave thermal imaging enhances low-light navigation capability—a valuable tool for night passages or anchoring in unfamiliar waters.

Accommodations & Interior

The interior layout prioritizes both comfort and function. A C-shaped lounge to port faces the galley to starboard, finished with synthetic teak flooring that combines aesthetic appeal with practical durability. The bow suite features a 24-inch LED Smart TV, while the master and midship cabins include 12V fans for ventilation. An enclosed head with separate shower, solid surface countertop, sink, vanity, and full cabinetry provides the freshwater facilities expected aboard a yacht designed for extended cruising. Year-round climate control via air conditioning with reverse cycle heating ensures comfort during shoulder seasons and cold-weather coastal cruising.

Entertaining & Outdoor Living

The aft cockpit accommodates serious entertaining with a three-piece cover and integrated C51 shade system, protecting guests and crew from sun and weather. A 120V electric grill mounted on the cockpit serving bar supports meal preparation without the limitations of traditional galley cooking. LED ambient lighting throughout interior and exterior spaces enhances both function and atmosphere. Dual underwater transom lights add safety and visual appeal. The pilothouse features an integrated glass system with electrically controlled tinted sliding side windows, allowing flexibility between full visibility and climate control—a practical feature for variable New England weather.

Efficiency & Extended Cruising

A 475-gallon fuel capacity supports extended cruising range, while the 110-gallon water capacity sustains comfortable offshore stays. A solar panel mounted atop the pilothouse contributes to energy efficiency and off-grid capability, reducing generator runtime during extended anchorages.

Deck & Finish Options

Hull protection and aesthetic options include buff or grey non-skid decking, with dual underwater transom lights available to enhance both safety and styling.

The 2025 MJM 42 is engineered for discerning owners seeking a yacht that performs as a capable cruising platform while delivering the comfort, technology, and entertaining spaces expected of a modern pilothouse motor yacht. Every system—from navigation electronics to climate control to aft cockpit design—reflects thoughtful integration

Provided listing description Click to read the original broker text

This 2025 MJM 42 (referred to as MJM 47R in 2026 and newer models) offers a blend of luxury, versatility, and advanced engineering for boaters seeking coastal adventure, social entertaining, or extended stays aboard. Drawing on Downeast style in a modern form, the MJM 42 is equally at home in Boston Harbor, Nantucket, or along the Maine coast. Trade-ins considered and new boat warranties available. POWER & PERFORMANCE Twin Volvo D6-DPI 440 HP 6-cylinder diesels deliver strong, efficient response and steady handling Gyro stabilization and electro trim tabs keep the ride smooth and level Volvo VesselView displays present real-time speed, depth, and temperature Sionyx Nightwave thermal camera for enhanced low-light navigation ELECTRONICS Dual Garmin 16” GPSMAP touchscreen plotters for comprehensive coastal charting, route planning, and situational awareness VHF radio with AIS and Garmin GMR Fantom 18x radar ensure safe communication and reliable target tracking LUXURY & INTERIOR COMFORT C-shaped lounge to port, galley to starboard with synthetic teak flooring for both style and function Enclosed head with separate shower, solid surface countertop, sink, vanity, cabinets, and drawers 24” LED Smart TV in the bow suite, 12V fans in the master and midship cabins Air conditioning system with reverse cycle heat for year-round comfort ENTERTAINING & OUTDOOR FEATURES C50 aft cockpit 3-piece cover and C51 shade system for all-weather entertaining 120V electric grill on the cockpit serving bar, ideal for meals onboard LED ambient lighting throughout interior and exterior Exterior options include buff or grey non-skid decking and dual underwater transom lights for style and safety Pilothouse features integrated glass system with electrically controlled tinted sliding side windows Solar panel atop pilothouse supports energy efficiency and extended off-grid cruising The 2025 MJM 42 is engineered for discerning owners who value elegance, cutting-edge technology, and the ability to cruise in comfort throughout New England. Thoughtful amenities shape every detail: from year-round climate control to advanced navigation and entertaining spaces. Listing Broker: Jared Simpson

2025 MJM 42 Yacht for Sale – Downeast Luxury Cruiser with Advanced Navigation and Twin Diesel Power
Overview
The 2025 MJM 42 represents a refined evolution of Downeast cruising heritage, blending traditional hull design with contemporary engineering, luxury accommodation, and advanced marine electronics. At 46 feet in length with a 12-foot beam and 3-foot draft, this motor yacht is purpose-built for New England waters—from Boston Harbor to the Maine coast—while delivering the comfort, range, and technology expected by discerning coastal cruisers. Powered by twin Volvo D6-DPI 440 horsepower diesel engines and equipped with dual Garmin GPSMAP plotters, Sionyx thermal imaging, and Volvo VesselView monitoring, the MJM 42 integrates performance, safety, and connectivity into a platform designed for both extended cruising and entertaining. The 475-gallon fuel capacity and 110-gallon water capacity support multi-day passages and comfortable onboard living, while the pilothouse design with integrated glass and electrically controlled tinted windows provides an enclosed helm environment suited to variable weather and extended time at the helm.
Layout and Deck Design
The MJM 42's layout prioritizes both function and entertaining appeal. The pilothouse serves as the command center, featuring dual Garmin 16-inch GPSMAP touchscreen plotters mounted for optimal visibility and intuitive route planning. The integrated glass system with electrically controlled tinted sliding side windows allows helm operators to adjust light and glare while maintaining situational awareness across the full range of approach angles. Forward of the pilothouse, the cabin accommodations include a bow suite with 24-inch LED Smart TV, a master cabin, and a midship cabin, each equipped with 12V fans for comfort and air circulation. The main salon features a C-shaped lounge to port and a galley to starboard, separated by synthetic teak flooring that balances aesthetic appeal with practical durability and low-maintenance cleaning. The aft cockpit design emphasizes entertaining and outdoor relaxation. The C50 aft cockpit cover and C51 shade system provide all-weather protection, allowing owners to enjoy the outdoor space in rain, sun, or variable conditions. A 120V electric grill mounted on the cockpit serving bar enables onboard meal preparation without reliance on shore power or propane, supporting casual entertaining and extended cruising menus. LED ambient lighting throughout the interior and exterior spaces enhances both functionality and ambiance, while exterior options including buff or grey non-skid decking and dual underwater transom lights add safety and visual refinement. A solar panel mounted atop the pilothouse supports energy efficiency and extends off-grid cruising capability, reducing reliance on engine-driven charging or shore power during extended anchorages.
Helm and Electronics
The MJM 42 integrates marine electronics and helm controls that prioritize safety, navigation precision, and ease of operation. The dual Garmin 16-inch GPSMAP touchscreen plotters provide comprehensive coastal charting, route planning, and real-time navigational data. These plotters support high-resolution mapping, waypoint management, and situational awareness across the full range of New England cruising grounds, from open water to complex coastal passages. The Garmin GMR Fantom 18x radar delivers reliable target tracking and weather detection, essential for coastal navigation and offshore awareness. Paired with a VHF radio featuring AIS (Automatic Identification System) capability, the helm presents a complete picture of vessel traffic, weather patterns, and navigational hazards. The Volvo VesselView display provides real-time engine monitoring, presenting speed, depth, water temperature, and fuel consumption data, allowing the operator to optimize fuel efficiency and monitor engine health during extended passages. The Sionyx Nightwave thermal camera enhances low-light navigation capability, supporting safe operation during dawn, dusk, and night passages. Thermal imaging improves target detection and obstacle avoidance in challenging lighting conditions, a valuable safety feature for cruising along rocky Maine coastlines or navigating unfamiliar anchorages after sunset.
Power and Performance
Twin Volvo D6-DPI 440 horsepower six-cylinder diesel engines deliver the combination of power, efficiency, and reliability expected in a vessel designed for extended cruising and variable sea conditions. The D6-DPI designation indicates fuel injection technology optimized for responsive acceleration and steady fuel efficiency across a range of operating conditions. At 440 horsepower per engine, the MJM 42 achieves strong cruising performance while maintaining the fuel economy associated with modern diesel marine propulsion. Gyro stabilization technology reduces rolling motion during beam seas and extended cruising, improving comfort for guests and reducing fatigue during long passages. Electro trim tabs provide dynamic hull attitude control, allowing the operator to optimize the vessel's trim for different sea states, speeds, and loading conditions. Together, these systems maintain a smooth, level ride across a variety of coastal conditions, supporting comfortable entertaining and extended onboard living. The 475-gallon fuel capacity provides substantial range for multi-day coastal passages and extended cruising throughout New England and beyond. The 110-gallon water capacity supports comfortable onboard living for a crew and guests, with adequate supply for galley use, head facilities, and shower operation during extended anchorages.
Comfort and Interior Amenities
The MJM 42 prioritizes year-round comfort through integrated climate control and thoughtful interior design. The air conditioning system with reverse cycle heat capability maintains comfortable cabin temperatures during warm summer cruising and extends the boating season into shoulder months. Individual 12V fans in the master and midship cabins provide supplemental air circulation and personal comfort control. The main salon layout—with C-shaped lounge to port and galley to starboard—creates an open, social entertaining space suitable for hosting guests or providing comfortable lounging during extended anchorages. The synthetic teak flooring combines aesthetic appeal with practical maintenance benefits, resisting moisture damage and simplifying cleaning routines. The enclosed head features a separate shower stall, solid surface countertop, sink, vanity, and integrated cabinetry and drawers, providing private facilities and organized storage. The bow suite includes a 24-inch LED Smart TV, supporting entertainment and relaxation during extended stays. LED ambient lighting throughout the interior and exterior spaces allows owners to set mood and ambiance while ensuring adequate task lighting for galley work, navigation, and evening entertaining. The 120V electric grill on the aft cockpit serving bar eliminates the need for charcoal or propane, simplifying meal preparation and cleanup while supporting casual entertaining and extended cruising menus. The cockpit shade system and 3-piece cover provide weather protection, extending the usable entertaining season and protecting the deck and furnishings from UV exposure and rain damage.
Cabin and Accommodations
The MJM 42 includes three separate cabin spaces, supporting comfortable accommodations for the owner and guests during extended cruising. The bow suite features a full berth arrangement and 24-inch LED Smart TV, creating a private retreat with entertainment capability. The master cabin provides comfortable sleeping quarters with integrated storage and climate control. The midship cabin offers additional berth space, suitable for guests or crew. All cabin spaces benefit from the integrated air conditioning system and individual 12V fans, supporting personal comfort control and air circulation. Cabin windows and portholes provide natural light and ventilation, while the pilothouse design and integrated glass system allow natural light to penetrate the main salon and cabin spaces.
Pilothouse Design and Visibility
The pilothouse represents the command center of the MJM 42, featuring integrated glass construction with electrically controlled tinted sliding side windows. This design provides 360-degree visibility for navigation while allowing the operator to adjust light transmission and glare reduction according to sun angle and weather conditions. The electrically controlled windows eliminate manual operation, simplifying helm management during extended passages and reducing fatigue during long days at the helm. The dual Garmin GPSMAP plotters are mounted within the pilothouse for optimal visibility and intuitive operation, while the Volvo VesselView display presents engine and performance data. The solar panel mounted atop the pilothouse supports energy efficiency, reducing the electrical load on the ship's service batteries and supporting extended off-grid cruising capability.
Exterior Features and Deck Protection
The MJM 42 offers exterior options that balance style, safety, and practical maintenance. Non-skid decking in buff or grey finish provides secure footing while maintaining aesthetic consistency with the vessel's Downeast heritage. Dual underwater transom lights serve both functional and aesthetic purposes—improving visibility during night docking and adding visual refinement to the stern profile. The C50 aft cockpit cover and C51 shade system provide comprehensive weather protection, allowing owners to entertain or relax in the aft cockpit regardless of sun or light rain. The 120V electric grill on the serving bar supports casual meal preparation without reliance on external power sources, a practical amen
Length
46 ft
Beam
12 ft'
Year
2025
Builder
MJM
Model
42
What type of boat is the 2025 MJM 42, and what is it designed for?
The 2025 MJM 42 is a 46-foot pilothouse cruiser that combines Downeast styling with modern luxury and technology. It's engineered for coastal cruising, extended overnight stays, and entertaining, making it equally suited to day trips in Boston Harbor, passages to Nantucket, or longer explorations along the Maine coast. The pilothouse design provides weather protection and 360-degree visibility, while the spacious cockpit and interior layout support both social entertaining and comfortable cruising for multiple guests.
What engine package powers the 2025 MJM 42, and how does it perform?
The MJM 42 is powered by twin Volvo D6-DPI 440 HP 6-cylinder diesel engines. These engines deliver strong, efficient response with steady handling characteristics ideal for coastal and offshore cruising. The diesel power plant provides fuel efficiency, reliability, and the torque needed for confident maneuvering in varying sea conditions. With a 475-gallon fuel capacity, the twin-diesel configuration supports extended range cruising while maintaining reasonable fuel consumption.
What stabilization and trim systems does the MJM 42 include?
The MJM 42 features gyro stabilization technology paired with electro trim tabs to maintain a smooth, level ride in a variety of sea conditions. The gyro system actively reduces roll motion, while the electro trim tabs adjust automatically to optimize hull attitude. Together, these systems enhance comfort for passengers and reduce fatigue during extended cruising, making the boat more enjoyable in choppy waters or beam seas.
What navigation and radar electronics are installed on this vessel?
The MJM 42 is equipped with dual Garmin 16-inch GPSMAP touchscreen plotters for comprehensive coastal charting, route planning, and situational awareness. Navigation is further supported by a Garmin GMR Fantom 18x radar for reliable target tracking and safe operation in low-visibility conditions. A VHF radio with AIS capability enables secure communication and vessel tracking. Additionally, a Sionyx Nightwave thermal camera provides enhanced visibility during low-light navigation, a valuable safety feature for dawn, dusk, or night cruising.
How is the pilothouse designed, and what visibility does it offer?
The pilothouse features an integrated glass system with electrically controlled tinted sliding side windows, providing 360-degree visibility and weather protection. The tinted windows reduce glare and heat while allowing the operator to monitor conditions in all directions. This design allows the captain to cruise in comfort during inclement weather while maintaining full situational awareness. The pilothouse also supports a solar panel installation on the roof, contributing to energy efficiency and extended off-grid cruising capability.
What is the cabin and sleeping arrangement layout?
The MJM 42 includes a bow suite with a 24-inch LED Smart TV, a master cabin, and a midship cabin, providing comfortable sleeping accommodations for multiple guests. Both the master and midship cabins are equipped with 12V fans for ventilation. An enclosed head with a separate shower, solid surface countertop, sink, vanity, cabinets, and drawers provides full bathroom facilities. The galley to starboard includes synthetic teak flooring for durability and aesthetic appeal, and the C-shaped lounge to port offers comfortable seating and relaxation space.
What climate control and comfort systems are available?
The MJM 42 features a full air conditioning system with reverse cycle heat, enabling year-round comfort in New England waters and beyond. The system maintains cabin temperature regardless of season, making extended cruising practical even during shoulder months. Combined with 12V fans in the cabins and the pilothouse's tinted windows, the climate control system ensures that passengers remain comfortable during hot summers and cool shoulder seasons.
How is the cockpit configured for entertaining and outdoor use?
The MJM 42 features a spacious C50 aft cockpit with a 3-piece cover and C51 shade system, creating an all-weather entertaining space. A 120V electric grill on the cockpit serving bar allows for meal preparation and entertaining while underway or at anchor. LED ambient lighting throughout the exterior enhances the entertaining atmosphere and provides safety during evening hours. Dual underwater transom lights add both functional illumination and aesthetic appeal. The cockpit layout supports comfortable seating and social gatherings, making it ideal for entertaining guests aboard.
What deck and exterior finish options are available?
The MJM 42 offers customization in non-skid decking, with choices between buff or grey finishes to match owner preference and aesthetic vision. The synthetic teak flooring in the galley and salon areas provides both durability and the classic look of traditional teak without the maintenance requirements. Dual underwater transom lights serve both practical and decorative purposes, illuminating the water while adding visual appeal during evening hours.
What makes the 2025 MJM 42 suitable for extended cruising and off-grid operation?
The MJM 42 supports extended cruising through several integrated systems. The 475-gallon fuel capacity and efficient twin-diesel engines provide substantial range, while the 110-gallon water capacity supports extended stays without frequent refueling or resupply. A solar panel mounted on the pilothouse roof contributes to energy independence and reduces reliance on the generator during daylight hours. The full air conditioning system, galley, enclosed head with shower, and multiple sleeping cabins create a self-contained cruising platform. The pilothouse design provides weather protection and visibility for safe navigation in varying conditions, making the vessel capable of supporting multi-day or week-long coastal cruising adventures throughout New England waters.

Fly Yachts is pleased to assist you in the purchase of this vessel. This boat is centrally listed by MarineMax Boston. 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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