Yachts for sale / Boston Whaler 405 Conquest

2023 Boston Whaler 405 Conquest

Sarasota, FL, US 41.3 ft · 13.42 ft' beam 2 cabins 60 kn kn top
Asking
$974,900
Our Thoughts

The 2023 Boston Whaler 405 Conquest represents the pinnacle of modern offshore center console design, combining the legendary seaworthiness Boston Whaler is known for with the advanced systems and luxury amenities serious cruisers and anglers demand. At 41 feet 4 inches with a 13-foot 5-inch beam, this vessel delivers the stability and sea-keeping characteristics that make the Conquest series a preferred platform for extended offshore operations and blue-water cruising.

Power comes from triple Mercury 600 hp V12 outboards with joystick control and platinum warranty coverage extending through November 2028—a significant advantage for an owner looking for reliability and support during the critical early ownership years. These engines deliver a cruising speed of 35 knots with a maximum speed of 60 knots, making the 405 Conquest capable of efficient long-distance travel while maintaining the fuel economy and range that justify the 620-gallon fuel capacity. The joystick propulsion system transforms boat handling in close quarters and during docking, offering intuitive control that reduces fatigue during extended operations.

The integrated Seakeeper SK6 gyro stabilizer fundamentally changes the offshore experience, virtually eliminating roll and dramatically improving comfort for crew and guests, especially during extended cruising or when fishing in less-than-ideal sea states. This system alone justifies serious consideration for anyone planning extended time on the water.

The helm station showcases a comprehensive Raymarine electronics suite built around a 19-foot Axiom XL dual-display package with integrated navigation and sounder capability, supported by dual 24-inch Axiom XL additional displays and Magnum open-array radar with satellite weather integration. This redundant, multi-screen setup provides the situational awareness and data density that offshore operators expect, whether navigating in congested waters or monitoring weather during extended passages.

Interior accommodations include a full cabin with mid-berth rack systems, a galley featuring both an ice maker and top-loading freezer at the helm deck wet bar, and a head with full privacy. Teak flooring in the helm deck area adds both durability and aesthetic warmth to the workspace. The aft cockpit features a solid teak table with foldout bench seating, creating a natural gathering space for entertaining or crew coordination.

The 405 Conquest's open-air design is enhanced by a hardtop with electric sunroof, full side glass throughout the cabin, additional portlight windows, and a bow sunshade—elements that balance weather protection with the open-air feel essential to center console culture. Black canvas covers for all windows and a full canvas cover package protect the vessel during storage and transit.

The premium JL Audio package delivers quality sound throughout the vessel, while manual leveling tabs optimize ride and handling across varying sea states and loading conditions. Additional features include rod storage with mid-berth rack systems, spot lighting for nighttime operations, and canvas mesh windshield shades for glare reduction.

A 120-volt, 15 kW diesel generator provides shore-independent power for air conditioning, refrigeration, and electronics during extended anchoring or when away from dockside power. The 90-gallon water capacity supports extended cruising with reasonable freshwater reserves.

This 2023 model represents current-generation engineering and systems integration, positioned in Sarasota, Florida—a location offering immediate access to the Gulf of Mexico, the Florida Keys, and the broader Caribbean cruising grounds that define the 405 Conquest's operational range. The combination of proven hull design, triple-engine reliability, advanced stabilization, comprehensive electronics, and owner-focused amenities makes this a serious

Provided listing description Click to read the original broker text

TRIPLE - WHITE 600 MERCURY V12 JPO/JOYSTICK W/PLATINUM WARRANTY 11/18/28GYRO STABILIZER - SEAKEEPER SK6DIESEL GENERATOR - 120V 15 KW CHOME GRAPHICS WITH SILVER MODEL DESIGNATORBLACK CANVAS COVERS FOR ALL WINDOWSFULL SIDE GLASSTEAK FLOORING - HELM DECK AREA ONLYAFT COCKPIT TABLE - 2 SOLID TEAK COCKPIT FOLDOUT BENCH SEAT ICE MAKER - AT HELM DECK WET BARADDITIONAL PORTLIGHT WINDOWSFREEZER - TOP LOADING HARDTOP WITH ELECTRIC SUNROOFFULL SIDE GLASSBOW SUNSHADEPREMIUM JL AUDIO PACKAGEMANUAL LEVELING TAB SYSTEMSPOT LIGHT19' RAYMARINE AXIOM XL DUAL ELEC/NAV PACKAGEDUAL 24"  RAYMARINE AXIOM XL ADDTL DISP PACKAGERADAR - MAGNUM OPEN ARRAY W/SAT WEATHERROD STORAGE - MID BERTH RACK SYSTEMS ARE CANVAS MESH WINDSHIELD SHADES - CANVAS COVER PACKAGE BROKER - DAVID COSTLEY 305-283-3886

2023 Boston Whaler 405 Conquest: Premium Offshore Cruiser with Triple Mercury V12 Engines and Advanced Stabilization
Overview
The 2023 Boston Whaler 405 Conquest represents the pinnacle of the Boston Whaler offshore cruising platform, combining the brand's legendary seaworthiness with premium propulsion, advanced stabilization, and a thoughtfully appointed interior designed for extended cruising and entertaining. Measured at 41.33 feet in length with a 13.42-foot beam, this center console delivers the performance and comfort expected in a modern flagship model. Powered by triple Mercury V12 600-horsepower engines with joystick control and platinum warranty coverage through November 2028, the 405 Conquest achieves a cruising speed of 35 knots with a maximum speed of 60 knots, making it equally capable for efficient transit or spirited offshore runs. The combination of triple outboard propulsion, Seakeeper SK6 gyroscopic stabilization, a 15-kilowatt diesel generator, and a comprehensive suite of Raymarine navigation electronics positions this vessel as a serious offshore platform for buyers seeking reliability, range, and sophisticated marine technology.
Propulsion and Performance
This 405 Conquest is equipped with a triple Mercury V12 600 engine configuration, one of the most advanced outboard powerplants available. The three-engine setup delivers redundancy and balanced weight distribution while maintaining the fuel efficiency and low-maintenance advantages of modern outboard propulsion. With a maximum speed of 60 knots and a cruising capability of 35 knots, the vessel is engineered for both efficient long-range passages and responsive performance when conditions demand it. The 620-gallon fuel capacity supports extended offshore cruising, allowing owners to reach distant destinations without frequent refueling stops—a critical consideration for serious cruising and fishing operations in the Gulf of Mexico and beyond. The joystick control system integrated with the Mercury engines represents a significant advancement in helm usability, particularly in tight quarters, docking, and precision maneuvering. This system, backed by a platinum warranty extending through November 2028, reduces helm fatigue during extended operations and provides intuitive control that appeals to both experienced operators and newer boaters transitioning to larger vessels. The warranty coverage offers peace of mind regarding the engines and joystick integration, supporting the long-term ownership experience.
Stabilization and Comfort Underway
The Seakeeper SK6 gyroscopic stabilizer is a defining feature of this 405 Conquest, transforming the onboard experience in rough seas. This advanced stabilization system significantly reduces hull roll, improving comfort for passengers, reducing fatigue for the operator, and enhancing the stability of the vessel in beam seas—a critical advantage during offshore passages or when anchored in exposed locations. The SK6 is sized appropriately for a 41-foot center console and operates independently of trim tabs or interceptors, providing consistent performance across varying sea states and speeds. For buyers planning extended cruising, entertaining guests, or fishing in unpredictable offshore conditions, the Seakeeper represents a substantial quality-of-life upgrade that justifies its presence on this specification sheet.
Helm and Navigation Electronics
The helm station is anchored by a comprehensive Raymarine electronics package featuring a 19-foot Axiom XL dual electric and navigation display as the primary navigation interface, complemented by dual 24-inch Axiom XL additional display screens. This multi-screen setup provides redundancy, allows split-screen functionality for chart, sonar, and radar viewing simultaneously, and delivers the processing power and display real estate expected in a modern offshore cruiser. The Axiom XL platform supports integrated autopilot, chart navigation, sonar integration, and radar overlay—all critical tools for offshore passage-making and precision fishing. The Magnum open array radar with satellite weather integration enhances situational awareness during offshore passages, allowing the operator to identify weather systems, other vessels, and geographic features from significant distances. Satellite weather integration ensures that real-time weather data flows directly to the helm, supporting informed decision-making regarding route planning and sea state assessment. Together, the Raymarine suite and Magnum radar create a navigation and monitoring ecosystem that rivals systems found on larger motor yachts, positioning this 405 Conquest as a capable offshore platform.
Interior Comfort and Amenities
The 405 Conquest's interior design balances functionality with genuine comfort, a hallmark of Boston Whaler's approach to cabin design in this size range. The hardtop features an electric sunroof, providing natural light and ventilation while maintaining weather protection—a practical touch that enhances the sense of space and allows for flexible use depending on weather and preference. Full side glass throughout the cabin maximizes outboard visibility and creates an open, airy ambiance that reduces the closed-in feeling common in smaller cabin cruisers. The helm deck area features teak flooring, establishing a premium aesthetic while providing practical non-slip footing. An ice maker and freezer positioned at the helm deck wet bar support entertaining and extended cruising, allowing owners to stock provisions and maintain cold beverages and frozen provisions without reliance on external facilities. The wet bar itself is a functional entertaining space, particularly valuable during anchored social occasions or casual dockside gatherings. The aft cockpit is configured with a solid teak table and foldout bench seating, creating a flexible entertaining space that can accommodate multiple guests or convert to additional lounging area. This cockpit design reflects Boston Whaler's understanding that modern cruising vessels are social spaces, not merely transportation. The teak construction and foldout design demonstrate attention to detail and durability. A bow sunshade provides UV protection and shaded seating forward, extending the usable deck space and creating a comfortable refuge during midday heat or strong sun. Canvas mesh windshield shades offer additional climate control and privacy options, while the comprehensive canvas cover package—including black canvas covers for all windows and the full side glass—protects the interior and upholstery when the vessel is unattended or stored.
Storage and Deck Design
Rod storage integrated into a mid-berth rack system supports fishing operations, though this 405 Conquest is configured more as a cruising platform than a dedicated fishing vessel. The canvas mesh rack systems provide organized storage while maintaining visual openness in the cabin. Additional portlight windows enhance natural light and ventilation, improving the sense of space and reducing dependence on mechanical systems during pleasant weather. The manual leveling tab system supports pitch control and running attitude optimization, allowing the operator to fine-tune the vessel's trim for different sea states, loading conditions, and speed ranges. While not as automated as some modern systems, manual tabs provide reliable, straightforward control that experienced operators appreciate for their predictability and mechanical simplicity.
Generator and Electrical Systems
The 15-kilowatt diesel generator provides robust electrical power for extended anchoring, climate control, and the operation of galley and entertainment systems without reliance on engine running or shore power. This capacity supports the air conditioning system, refrigeration, water heating, and the array of modern conveniences integrated throughout the cabin. The diesel generator's efficiency and reliability make it well-suited for extended cruising in regions where shore power is unavailable. The 90-gallon freshwater capacity supports extended cruising, though owners planning weeks-long passages in remote locations should be aware of the capacity limitations and plan accordingly, particularly if water usage includes frequent showers or significant ice-making demands.
Audio and Lighting
A premium JL Audio package delivers high-quality sound reproduction throughout the cabin and cockpit areas, supporting both entertainment and communication. Modern marine audio systems must withstand salt spray, moisture, and temperature extremes while delivering clarity and fidelity—criteria that premium brands like JL Audio address through specialized marine-grade components and installation practices. The hardtop's integrated lighting, supplemented by cabin interior fixtures and spot lighting positioned for night operation and safety, creates a well-illuminated vessel suitable for evening entertaining and safe nighttime navigation.
Chrome Graphics and Aesthetic Refinement
The chrome graphics package with silver model designation reflects an attention to aesthetic detail that distinguishes premium Boston Whaler models from base configurations. These design elements, combined with the teak flooring, full side glass, and premium canvas covers, create a cohesive visual identity that appeals to buyers valuing both performance and refined appearance.
Why This Vessel Merits Consideration
The 2023 Boston Whaler 405 Conquest positioned in Sarasota, Florida, represents a relatively recent-model offshore cruiser that balances serious offshore capability with refined comfort and entertainment spaces. The triple Mercury V12 propulsion with joystick control, Seakeeper SK6 stabilization, comprehensive Raymarine electronics, and diesel generator create a vessel capable of extended offshore passages and comfortable anchoring in remote locations. The thoughtfully appointed interior, with teak appointments, premium audio, multiple entertaining spaces, and galley amenities, supports the lifestyle expectations of serious cruising families or owner-operators seeking a capable platform for extended time away from home port. For buyers in the 40-foot offshore
Length
41.3 ft
Beam
13.42 ft'
Year
2023
Builder
Boston Whaler
Model
405 Conquest
Cabins
2
Max speed
60 kn kn
What engine package powers the 2023 Boston Whaler 405 Conquest, and what kind of performance does it deliver?
The 405 Conquest is equipped with triple Mercury V12 600 HP outboards with Joystick Propulsion Optimization (JPO) and Joystick control. This triple-outboard setup delivers a maximum speed of 60 knots and a cruising speed of 35 knots, providing both high-performance capability and efficient long-range cruising. The Mercury JPO technology optimizes fuel consumption and handling across the power range, while the integrated joystick system simplifies single-hand maneuvering in tight spaces—a significant advantage for docking and precision boat handling.
Does the 2023 Boston Whaler 405 Conquest have a tower or second helm station?
The 405 Conquest features a helm deck configuration with a primary helm station but does not include a tower or second helm station. The helm area is well-appointed with a hardtop featuring an electric sunroof, full side glass for visibility, and premium electronics including dual 24-inch Raymarine Axiom XL displays, a 19-foot Raymarine Axiom XL navigation package, and a Magnum open array radar with satellite weather integration. This setup provides comprehensive situational awareness from the primary helm.
What stabilization and comfort systems are included on this vessel?
The 405 Conquest is equipped with a Seakeeper SK6 gyro stabilizer, which significantly reduces boat roll and enhances comfort in offshore conditions. Additional comfort features include a hardtop with electric sunroof, full side glass, bow sun shade, manual leveling trim tabs, and premium JL Audio sound system. The helm deck includes an ice maker and wet bar at the helm, and the cabin features a top-loading freezer, making this vessel practical for extended cruising and entertaining.
What electronics and navigation systems are standard on the 2023 Boston Whaler 405 Conquest?
Navigation and electronics are comprehensive: the vessel features a 19-foot Raymarine Axiom XL dual electronic and navigation package, dual 24-inch Raymarine Axiom XL additional display package, and a Magnum open array radar with satellite weather capability. These systems provide advanced chart plotting, real-time weather data, and high-definition radar imaging for confident offshore operation and situational awareness in all conditions.
Is the 405 Conquest suitable for offshore fishing, and what fishing-related features does it have?
The 405 Conquest is configured as a versatile offshore center console with features that support fishing and cruising. The vessel includes rod storage with mid-berth rack systems, a spotlight for night operation, and a spacious aft cockpit with a table and dual solid teak foldout bench seating. The 620-gallon fuel capacity supports extended offshore range, and the Seakeeper SK6 stabilizer enhances comfort when fishing in offshore conditions. However, this model is not equipped with specialized fishing features such as livewells, fish boxes, or outriggers.
What is the interior cabin layout and sleeping capacity of the 405 Conquest?
The 405 Conquest features a cabin layout with a mid-berth configuration and rod storage rack systems integrated into the berth area. The vessel includes a top-loading freezer and ice maker at the helm deck wet bar, supporting provisions for extended trips. Full side glass windows and additional portlight windows provide natural light and ventilation throughout the cabin. While specific sleeping capacity details are not detailed, the mid-berth design is typical for center console vessels of this size and supports overnight cruising.
How does the joystick control system work on the 405 Conquest?
The 405 Conquest features Mercury Joystick Propulsion Optimization (JPO) integrated with the triple V12 600 HP outboard package. Joystick control allows the operator to steer and control thrust with a single lever, making docking, anchoring, and tight-quarters maneuvering significantly easier and more intuitive than traditional dual-throttle steering. The system automatically manages engine synchronization and trim, reducing operator fatigue and improving precision during complex boat handling situations.
What fuel and water capacity does the 405 Conquest have, and what cruising range can be expected?
The 405 Conquest carries 620 gallons of fuel and 90 gallons of fresh water. With a cruising speed of 35 knots and triple Mercury V12 outboards, the vessel is capable of extended offshore range, though specific fuel consumption rates depend on sea conditions, load, and operating parameters. The substantial fuel capacity supports full-day offshore fishing trips and multi-day cruising without requiring frequent refueling.
What canvas and weather protection features are included on this vessel?
The 405 Conquest is equipped with comprehensive canvas and weather protection: a hardtop with electric sunroof, full side glass, bow sun shade, black canvas covers for all windows, and canvas mesh windshield shades. These features provide sun and weather protection for both the helm deck and cockpit areas, supporting comfortable operation in Florida's intense sun and afternoon weather patterns.
What makes the 2023 Boston Whaler 405 Conquest a practical choice for family cruising and entertaining?
The 405 Conquest combines offshore capability with family-friendly features including an aft cockpit with a table and dual solid teak foldout bench seating for comfortable entertaining, a hardtop with electric sunroof for shade and weather protection, and a well-equipped helm deck wet bar with ice maker and freezer. The Seakeeper SK6 stabilizer enhances comfort for passengers in offshore conditions, while the 35-knot cruising speed and 620-gallon fuel capacity support full-day and multi-day cruising. The vessel's 41-foot length and 13.4-foot beam provide stable, spacious accommodations for families and groups seeking both performance and comfort.

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