2021 Boston Whaler 405 Conquest
$925,000
Boat in Fajardo 00738 PR
Built in 2021
405 Conquest
4 Engines (4x Mercury)
40 feet
Gas
Fiberglass/Reinforced
2021 Boston Whaler 405 Conquest
The 405 Conquest, known as the SUV of the Sea, delivers incredible performance, versatility and ease of use. From the spacious bow lounge to the ultra-convertible helm companion zone, to the inviting cabin with master and two guest sleeping quarters, the 405 represents the pinnacle of luxury and sophistication in the Conquest series.
This vessel is well suited for long-distance cruises and overnight stays, game fishing far offshore, and hosting impromptu events. You don't have to choose between comfort and capability.
Key features:
- Quad Mercury Verado V6 400hp
- Joystick
- Platinum Hull
- Windlass
- Rosewood Interior Package
- Aft Cockpit Table
- Cockpit Fold Out Bench Seat-stbd
- Underwater Lights
- Refrigerator chiller - cooler only
- Full Side Glass
- Bow Sunshade
- Premium Audio Package
- Gyroscope Stabilizer
- 19" Raymarine Axion XL Dual Navigation Package
- 24" Raymarine Axiom XL Display
- Engine Flush System
- Canvas Mesh Windshield Shades
- Diesel Generator
- Watermaker
- Outriggers
- All hardware 316-L stainless steel
- All rails welded 316-L stainless steel
- Vinylester barrier coat over entire hull and hull sides
- 10” stainless steel pull-up cleats – bow (2), spring line (2), crosstie cleats at transom (2)
- 10” stainless steel cleats – stern cockpit with gunnel boats hawse pipe (2), anchor locker (1)
- 27” interior freeboard
- Acrylic transom door with stainless steel latch
- Anchor windlass with 400’ rode and chain (handheld remote control, stainless steel swivel, polished stainless steel 44lb anchor, polished stainless steel bow roller davit)
- Boarding ladder at transom
- Bow eye (heavy duty polished stainless steel)
- Chrome Boston Whaler logo/model designator
- Coaming bolsters (cockpit)
- Dive door (molded fiberglass boarding door on port side with removable stainless-steel dive ladder with dedicated storage in stern seat)
- Drink holders (stainless steel) (4 in bow, 2 in hawse pipes, 2 at helm, 2 at port console, 2 at port lounge, 2 per side in recessed pockets at aft helm deck seats)
- Lighting – LED courtesy lights in cockpit (multi-color)
- Livewell (19-gallon) (pressurized insulated in aft port corner with clear lid, blue interior and dual white LED lights)
- Rails - hand rails (welded stainless steel) (companion way to helm deck and into cabin, boarding ladders and prep station)
- Rails – high bow rails (welded stainless steel)
- Rails – rub rail (white with stainless steel insert) (heavy-duty)
- Rails – toe rails (cockpit) (stainless steel) (under gunnel storage shelf with downrigger weight holders – 1 per side)
- Rod holders (gunnel-mounted) (3 aft cockpit starboard) (2 port)
- Rod holders (under gunnel) (2 starboard)
- Self-bailing cockpit sole
- Shower (freshwater with hot and cold water) (near transom door)
- Shower (freshwater with hot and cold water) (near dive door)
- Spotlight (ACR RCL-75) (mounted on hardtop)
- Helm console starboard-side layout includes:
- A/C unit (16K BTU) with 2 helm vents and wetbar area vent
- Bow thruster control
- Compass (with lighting)
- Defogger system (port and starboard) (120v heater with blower )
- Display - 7" color LCD touch screen system monitor and control center
- Drink holders - extra deep stainless steel (2)
- Electronics mounting surface with space for dual 16" or dual 19" Raymarine displays
- Electrical switch panels with stainless-steel push-button switches and illuminated text
- Footrest molded into console with solid teak steps with satin finish
- Fusion USB and Aux input
- Mercury DTS dual binnacle controls with integrated engine trim controls (single remote ignition key switch in cabin with pushbutton start/stop located at the helm) (Mercury SmartCraft Vessel View 5" color LCD Display) (network connections to Raymarine Navigation Package)
- Rails - grab rail (stainless steel)
- Spotlight control
- Steering wheel - cast stainless steel with knob and tilt helm
- Storage recess on top of dash with (1) dual USB and (1) 12-V wireless cell phone charging holder
- Canvas (side and aft rigid Makrolon® polycarbonate weather enclosure from door to cockpit) (white Stamoid®) (with storage in aft portion of hardtop)
- Custom painted integrated aluminum hardtop/windshield frame
- Deck hatches – with opening integrated into hardtop (2)
- Handhold along hardtop for egress to foredeck
- Ladder access to hardtop
- Lighting – LED blue/white overhead lights; (3) across aft end of hardtop (2) mid over Wet Bar and seating, (1) forward center
- Lighting – LED blue companionway light (2) at helm deck step and cabin entry steps (turned on via solar sensor)
- Lighting – LED red/white map overhead light (1)
- Lighting – LED flood lights at cockpit (2) and bow (1)
- Lighting – LED navigation lights (stainless steel) (recessed in hardtop)
- Outrigger ready
- Rod holders on port and starboard ladder supports (6)
- Side glass (open tempered)
- Sunshade (cockpit) (telescoping polished stainless-steel frame retracts and deploys electrically) (black Sunbrella® canvas)
- Windshield – full height, single piece front tempered glass providing unobstructed visibility, with dual electric actuated vents and independent control
- Windshield wipers – (2) pantograph, with intermittent wash system
- A/C unit (12K BTU) (with 2 vents on dash and seating area vent)
- Acrylic/glass dash
- Drink holders – stainless steel (2)
- Dual helm seat with arm rests that convert to create a large sun lounge area
- Rail – grab handle
- Stereo remote control – Fusion Bluetooth remote
- Storage – glovebox style with (1) dual USB and white LED light
- Storage recess on top of dash with (1) dual USB and (1) 12v wireless cell phone charging holder
- Table – teak (high gloss with polished stainless-steel inlay, aft lounge area with electric high low conversion)
- 110-V outlet
- 12-V/120-V refrigerator
- Corian solid surface countertop
- Galley sink with faucet and cutting board
- Microwave
- Skylight over galley
- Trash receptacle (under c-way step)
- Wood grain galley cabinetry
- Bow lounge with dual row tilt up backrests (includes canvas cover)
- Foldaway stern bench seat with elevated backrest
- Helm seat (fore and aft electrical adjustment with swivel)
- Port console seat (2-person, forward facing with innovative mechanism to convert to an aft facing lounge)
- Port aft facing seat (2-person seat that can convert to a lounge/filler cushion over the lowered table)
- Port forward facing seat (2-person seat with conversion seatback for aft facing mezzanine seat)
- Starboard aft facing (2-person mezzanine seat that folds down providing a countertop at the prep station)
- Bilge - aft mechanical space, large storage tray (deleted with gyro)
- Cabin galley – upper, mid and lower cabinets at galley
- Cabin main – cabinets above starboard settee
- Cabin main – in-floor storage compartment
- Cabin main – storage under starboard settee
- Cockpit – downrigger weight holders (2)
- Cockpit – storage below pullout grill
- Cockpit – insulated 220qt built-in cooler/storage under seating with dual access
- Cockpit – rod holders under starboard gunnel (2) (deleted with foldout bench seat option)
- Fish boxes – insulated in-deck with pump-out (2)
- Guest mid-berth – large storage compartment under berth with pull out drawers
- Guest mid-berth – port side cedar lined hanging locker with removable shelves, dish storage and light
- Guest mid-berth – port side storage under hinged countertop
- Head – storage cabinet under sink and overhead
- Helm deck – portside console glovebox and forward storage tray
- Helm deck – starboard helm storage drawers and forward storage tray
- Helm deck – starboard wet bar storage drawers and storage compartment
- Master stateroom forward – large storage compartment under berth
- Master stateroom forward – port side vertical cabinet with shelves and light
- Master stateroom forward – starboard side cedar-lined hanging locker with light
- 120-V receptacle
- 12-V and dual USB receptacles
- Air conditioner (16,000 BTU) reverse cycle
- Carbon monoxide and smoke detectors
- Cabinets – teak wood, satin finish with maple lining located over settee
- Digital vessel control – iPad with inductive charging case, monitor vessel systems and control DC circuits
- Door – cabin entry (lockable acrylic)
- Lighting – LED white overhead lights with dimmer switches (2)
- Lighting – LED RGB diffused courtesy lighting with dimmer control
- Materials – easy to clean interior materials
- Portholes in hull side windows (4) (opening)
- Settee – L-shaped with storage under cushions and additional filler cushions with dedicated storage to convert to a sleeping berth
- Skylight with magnetic stow-away shade
- Storage – large storage compartment in salon floor
- Table – dinette (folding with electric high low to convert to a berth) (solid teak wood with gloss finish)
- Throw pillows (5)
- Windows – hull side with pull-down pleated shades
- 120-V receptacle (port and starboard)
- Air-conditioner (8,000 BTU) reverse cycle with LCD Control
- Bed – island bed with trunk style front storage access (gas assist hatch), 8” thick Premium Handcraft® pillowtop innerspring mattress with electrically actuated hinged backrest, fitted sheet, comforter and pillowcases (2 regular-size)
- Cabinets overhead on port and starboard side with flip up doors
- Carbon monoxide and smoke detectors
- Door – sliding pocket door separating the stateroom from salon
- Flooring and entry steps – solid teak with satin finish
- Lighting – LED RGB diffused courtesy lighting with dimmer control
- Lighting – LED overhead lights (4)
- Lighting – LED overhead reading lights (2)
- Opening hatch
- Service access to A/C unit (through forward bulkhead) and bow thruster (through the floor)
- Storage – hanging locker with cedar lining with door activated light (starboard side)
- Storage – locker with cedar lining with door activated light and shelves (port side)
- Vacuum – Dyson V7 handheld with charging holder
- TV – 24” flat screen HDTV with Apple TV Integration
- Vimar single USB receptacles on port and starboard nightstands
- Vimar overhead light switch located on starboard nightstand
- Windows with pull down pleated shades (hull-side)
- 120-V receptacle at vanity
- Dual entrance (from cabin and from master stateroom)
- Flooring – solid surface flooring in the shower and solid teak flooring on the vanity area
- Lighting – LED overhead light (2) with dimmer
- Lighting – LED RGB diffused courtesy lighting with dimmer control
- Mirror – full length (located on acrylic stateroom access door)
- Opening port light
- Rails – handrail (stainless steel)
- Shower – enclosed shower with rain head and hand-held sprayer with hot and cold faucet and bi-fold acrylic shower divider
- Shower sump
- Skylight (frosted glass)
- Toilet paper holder inside vanity
- Towel ring and bar
- Trash chute in counter
- Vacu-Flush® toilet (electric), holding tank with vent filter, overboard discharge, dockside pump-out, tank full indicator alert and progressive tank level indication integrated into digital network
- Vanity storage
- Vanity with ceramic vessel sink and polished chrome faucet
- Ventilation (forced air)
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.
Price History
| Date | Event | Price |
|---|---|---|
| 3/21/26 | Initial price | $925,000 |
2021 Boston Whaler 405 Conquest Video Tours
Boattest.com Review
Overview
The Boston Whaler 405 Conquest is the largest model in the Conquest lineup, designed as a versatile vessel capable of offshore fishing as well as extended family vacations for up to six people. It combines spaciousness with performance, embodying the brand's signature styling and reliable handling characteristics.
Dimensions and Weight
The 405 Conquest measures 41 feet 4 inches in length overall, with a beam of 13 feet 6 inches and a draft of 2 feet 7 inches. The boat's empty weight is 24,518 pounds. During testing, with 450 gallons of fuel, 90 gallons of water, 35 gallons of diesel for the generator, three people, and test equipment aboard, the estimated test weight was 31,622 pounds.
Power and Performance
The test boat was equipped with four Mercury supercharged 400 horsepower four-stroke outboard engines. At full throttle of 6,100 RPM, the 405 Conquest reached a top speed of 52 miles per hour. The most efficient cruise speed was found at 4,500 RPM, where the boat traveled at 32.8 miles per hour while consuming 52.7 gallons of fuel per hour, resulting in approximately 0.6 miles per gallon and a range of 336 statute miles with 10% of the 600-gallon fuel capacity reserved. The minimum planning speed was 12.6 miles per hour. At idle speeds of 600 and 1,000 RPM, the boat moved at 3.6 and 6 miles per hour respectively, with fuel consumption rates of 2.5 and 4.4 gallons per hour, maintaining a fuel efficiency rating of 1.4 miles per gallon. Acceleration tests showed the boat planed in 4.7 seconds, reached 20 miles per hour in 7.2 seconds, and 30 miles per hour in 12.9 seconds. Maneuverability was excellent, with the vessel handling wakes and tight turns with agility uncommon for its size. Docking was facilitated by a port-side joystick and an opening side door.
Helm and Controls
The helm console is well-equipped and thoughtfully designed. At the top are USB and auxiliary inputs, 12-volt power outlets, and an inductive charger for mobile phones. The test boat featured optional twin 19-inch Raymarine multifunction displays, while the standard configuration includes 16-inch units. Accessory switches and air conditioning vents are positioned above the tilt stainless steel steering wheel, which aligns with a compass. To the left of the wheel are controls for the Fusion Apollo stereo, Mercury Vessel View display, and spotlight. The right side houses ignition and trim tab buttons, with digital shift and throttle controls and the Mercury joystick piloting system located just aft. The helm benefits from optional full-side windows with an opening section, allowing the operator to view the boat's side, operate the joystick, and reach cleats for docking lines. The port console includes a companion station with a 24-inch multifunction display and a hidden second joystick for port-side docking. Additional power outlets and phone chargers are also integrated into the port console.
Exterior Features and Deck Layout
Side passageways are equipped with stainless steel rails for safety and ease of movement. The foredeck features a Lumar windlass with a 10-inch cleat for securing the anchor rode, pull-up cleats on each side, and sockets for a bow shade. Access to the anchor locker is conveniently located alongside the windlass. The stern area includes a starboard transom door providing easy access, a narrow walkway forward of the splash well, and small swim platforms on both sides. A four-step ladder is stored in a dedicated locker on the starboard side. Motor rigging is cleanly arranged with inspection hatches forward of each engine. Below decks, the main distribution panel is accessible within the cabin, and mechanical equipment is reachable via a large in-deck hatch in the center of the cockpit. This compartment houses a 15kW Fisher Panda generator—an upgrade from the standard 12kW unit—paired with a SeaKeeper 6 gyro stabilizer. Fuel water separators and battery chargers are positioned outboard to starboard, with strainers and bilge pumps located forward of the generator.
Conclusion
The Boston Whaler 405 Conquest impresses with its combination of spacious design, versatile functionality, and strong performance. Handling characteristics meet the high standards associated with the brand, delivering agility and ease of operation even in challenging conditions. The helm layout and exterior features support both fishing and cruising activities effectively. Overall, the 405 Conquest stands out as a well-rounded vessel suitable for a variety of boating pursuits.
Overview from around the web 2021 Boston Whaler 405 Conquest
Customers rave about the 2021 Boston Whaler 405 Conquest, highlighting its blend of luxury, performance, and versatility
Many appreciate the spacious layout, which comfortably accommodates family and friends while providing ample storage for gear and supplies. Users frequently mention the boat's impressive stability and handling, making it a joy to navigate, whether cruising along coastal waters or venturing offshore. The integrated advanced technology features, such as the latest navigation systems and intuitive control displays, have also received high marks for enhancing the overall boating experience. The well-thought-out cabin design, complete with a full galley and plush seating, allows for luxurious overnight trips, and many customers find the sleeping arrangements to be both comfortable and private. Additionally, the fishing amenities, including rod holders and a large livewell, make it an ideal choice for avid anglers. Overall, the 2021 Boston Whaler 405 Conquest stands out for its craftsmanship, attention to detail, and ability to create lasting memories on the water. Owners appreciate not only its performance but also the peace of mind that comes with the renowned Boston Whaler unsinkable design.
The Biggest Pros and Cons
Pros
Unmatched Safety and Stability: The 405 Conquest is built on Boston Whaler’s legendary construction, ensuring a stable and smooth ride in a variety of sea conditions. The unsinkable design provides peace of mind for all onboard.
Spacious Layout: With ample deck space and a well-thought-out cabin, the 405 Conquest is perfect for day trips or extended excursions. The cockpit provides plenty of room for entertaining and fishing.
Luxurious Amenities: This vessel features a beautifully appointed interior with high-quality materials and finishes. The galley, equipped with modern appliances, offers the comforts of home, while the spacious salon ensures relaxation during your journeys.
Versatile Fishing and Cruising Capabilities: Ideal for both serious anglers and cruising enthusiasts, the 405 Conquest includes a well-equipped fishing station, generous storage for gear, and an easy transition between fishing and leisure activities.
Power and Performance: Equipped with triple Mercury Verado engines, the 405 Conquest delivers impressive acceleration and top speeds while being fuel-efficient, enabling longer journeys without frequent stops for refueling.
Advanced Technology: This boat comes with a state-of-the-art navigation and control system, including touchscreen displays, autopilot features, and integrated fish-finding technology, making it easier to navigate and track your catch.
Cons
Price Point: As a premium offering from Boston Whaler, the 405 Conquest comes with a higher price tag, which may be a barrier for some buyers.
Size and Maneuverability: While the spacious design is a benefit, the larger size of the 405 Conquest can make it more challenging to maneuver in tight spaces or congested marinas compared to smaller vessels.
Maintenance Costs: The high-performance engines and advanced systems may lead to higher maintenance and repair costs over time, which potential buyers should consider.
Fuel Consumption: Although designed for efficiency, the power from triple engines can lead to higher fuel consumption, especially during fast-paced cruising or in rougher conditions.
Limited Sleeping Capacity: While the cabin is luxurious, it primarily accommodates a smaller number of guests for overnight stays, which might not be ideal for larger groups.
Made For
The 2021 Boston Whaler 405 Conquest is designed for the avid boater who seeks luxury and performance combined with exceptional versatility. Whether you’re an experienced angler looking for a serious fishing platform, a family seeking adventure on the water, or simply someone who appreciates upscale amenities and technology, this model caters to a wide range of boating enthusiasts. Ideal for both day trips and extended overnight excursions, the 405 Conquest features spacious accommodations and comfortable seating for socializing and relaxing. Its robust construction means it can handle rough waters with confidence, making it perfect for those who enjoy offshore adventures. For anglers, the boat is equipped with ample fishing features, including rod holders, a livewell, and a large cockpit that enhances the fishing experience. Families will appreciate the spacious cabin, galley, and plush seating, ensuring everyone can enjoy their time on the water in comfort. In short, the 2021 Boston Whaler 405 Conquest is for anyone looking to elevate their on-water experiences — offering a blend of luxury, capability, and reliability that ensures you can tackle whatever the ocean has in store.
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Meet the Broker
Address
Boat Location
Contact IMS Yachts about 2021 Boston Whaler 405 Conquest
Marina Bay, 2525 Marina Bay Drive West Suite 205, Fort Lauderdale, FL, 33312
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