FYI Yachts · Yacht for Sale

2026 Boston Whaler 405 Conquest

40 ft · Grasonville, MD

Price on request

FYI Yachts is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Chesapeake Whalertowne.

2026 Boston Whaler 405 Conquest boat on display under a clear blue sky.

Description

The 405 Conquest has been called the SUV of the sea . Its a formidable offshore angler. Its an entertainer with amenities beyond compare. Its luxurious cabin surpasses all expectations. Its powered by up to 1,800 horses. This 41-foot dual-console cabin cruiser boat absolutely does not compromise when it comes to performance, comfort, and fishability. Enjoy long-distance cruises and overnight stays, chase gamefish far offshore, or host an impromptu gathering with the 405 Conquest, you never have to choose between gracious comfort and exceptional capability.

  • Cabin features private master stateroom plus midberth accommodations for three, an enclosed head with separate shower, a convenient galley, and more
  • Full-beam single-piece windshield with optional full-side glass for unobstructed visibility and a closer sense of connection with the water
  • Quad 300-hp Mercury Verado® engines with Joystick Piloting come standard with optional 400 or 600-hp selections that provide impressive power and control
  • Highly customizable transom prep area with multiple fishing and entertaining options
  • Unique portside companion lounge with hidden table converts to multiple positions
  • Luxury touches throughout include a rain shower, innerspring mattresses, Corian countertops and premium finishes
  • Available with Seakeeper gyro-stabilizing system

Specifications

Overview

Asking Price
Price on request
Year
2026
Make
Boston Whaler
Model
405 Conquest
Condition
New
Type
Walkarounds, Cruisers
Hull Material
Fiberglass
Location
Grasonville, MDApproximate area

Dimensions & Weight

LOA
40 ft (12.2 m)
Nominal Length
41.33 ft (12.6 m)
Beam
13.5 ft (4.11 m)
Draft
Drive up 2.58 ft (0.79 m)
Bridge Clearance
10.42 ft (3.18 m)
Deadrise
19°
Dry Weight
22,400 lb (10,160 kg)

Engines & Propulsion

Number of Engines
3
Total Power
1,800 hp
Fuel Type
Unleaded
Engines
3× Mercury V12 · 600 hp each

Tankage

Fuel
620 gal (2,347 L) · 1 tank
Fresh Water
90 gal (341 L) · 1 tank
Holding
30 gal (114 L) · 1 tank

Accommodations

Heads
1
Max Passengers
20

Full Details

Cabin Mid-Berth

  • 120-V receptacle
  • Air-conditioning vents from main cabin (16,000 BTU unit)
  • Carbon monoxide detector
  • Flooring and entry steps - solid teak with satin finish
  • Lighting - LED reading lights (2)
  • Lighting - LED RGB diffused courtesy lighting with dimmer control
  • Lighting - LED white overhead lights with dimmer switches (1 in main area, 2 in bed area)
  • Mattress - 6” thick Premium Handcraft® pillowtop innerspring with hinged access to storage
  • Privacy curtain
  • Storage - hanging locker (cedar lined) with removable shelves and galley dish storage with door activated light
  • Storage - large storage compartment under the mattress with a powered access hatch, providing easy access to storage drawers and large molded in fiberglass trunk
  • Vimar single USB receptacle
  • Mid berth comes with fitted sheet, comforter and two regular size pillowcases

Deck/Cockpit

  • 10” stainless steel cleats - stern cockpit with gunnel boats hawse pipe (2), anchor locker (1)
  • 10” stainless steel pull-up cleats - bow (2), spring line (2), crosstie cleats at transom (2)
  • 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 (transom-mounted) (5)
  • Rod holders (under gunnel) (2 starboard)
  • Self-bailing cockpit sole
  • Shower (freshwater with hot and cold water) (near dive door)
  • Shower (freshwater with hot and cold water) (near transom door)
  • Spotlight (ACR RCL-75) (mounted on hardtop)

Enclosed Head Department

  • 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)

Galley

  • 120-V receptacle
  • Cabinet - overhead with AC and DC vessel system controls
  • Cabinet storage - behind sink providing additional storage for galley supplies
  • Cabinet storage - for dishes
  • Cabinets - teak wood, satin finish with maple lining located under counter and over galley
  • Cooktop burner (single)
  • Countertop with faucet and undermount sink (solid surface)
  • Lighting - LED RGB courtesy lighting under overhead cabinet and countertop with dimmer control
  • Lighting - LED white light overhead (1)
  • Microwave - in overhead cabinet
  • Pullout out waste receptacle in cabinet under galley counter
  • Rail - handrail (stainless steel)
  • Refrigerator/freezer - drawer, stainless steel 12-V/120-V (3.0 cubic feet) CR85
  • Sink filler - solid surface matching countertop with integral cutting board
  • Wine glass holder’s underside of cabinet with lighting (6)

Helm Console

  • 120-V receptacle
  • Cabinet - overhead with AC and DC vessel system controls
  • Cabinet storage - behind sink providing additional storage for galley supplies
  • Cabinet storage - for dishes
  • Cabinets - teak wood, satin finish with maple lining located under counter and over galley
  • Cooktop burner (single)
  • Countertop with faucet and undermount sink (solid surface)
  • Lighting - LED RGB courtesy lighting under overhead cabinet and countertop with dimmer control
  • Lighting - LED white light overhead (1)
  • Microwave - in overhead cabinet
  • Pullout out waste receptacle in cabinet under galley counter
  • Rail - handrail (stainless steel)
  • Refrigerator/freezer - drawer, stainless steel 12-V/120-V (3.0 cubic feet) CR85
  • Sink filler - solid surface matching countertop with integral cutting board
  • Wine glass holder’s underside of cabinet with lighting (6)

Master Stateroom

  • 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 overhead lights (4)
  • Lighting - LED overhead reading lights (2)
  • Lighting - LED RGB diffused courtesy lighting with dimmer control
  • 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)
  • TV - 24” flat screen HDTV with Apple TV Integration
  • Vacuum - Dyson V7 handheld with charging holder
  • Vimar overhead light switch located on starboard nightstand
  • Vimar single USB receptacles on port and starboard nightstands
  • Windows with pull down pleated shades (hull-side)

Standard Equipment

  • All hardware 316-L Stainless Steel
  • All rails welded 316-L Stainless Steel
  • Vinylester barrier coat over entire hull and hull sides

Photos (32)

  • 2026 Boston Whaler 405 Conquest boat on display under a clear blue sky.
  • 2026 Boston Whaler 405 Conquest boat on display under a clear blue sky.
  • Manufacturer Provided Image: Luxurious bathroom interior of 2026 Boston Whaler 405 Conquest yacht, featuring modern amenities and elegant design.
  • Boston Whaler 405 Conquest 2026 boat deck view at marina with covered hatch.
  • 2026 Boston Whaler 405 Conquest with triple Mercury 600 V12 engines.
  • Boston Whaler 405 Conquest 2026 boat deck with seating and Mercury engines.
  • Open storage compartment on a 2026 Boston Whaler 405 Conquest boat.
  • 2026 Boston Whaler 405 Conquest boat interior with seating and storage features.
  • 2026 Boston Whaler 405 Conquest boat interior with storage compartments and sleek design.
  • Outdoor grill on 2026 Boston Whaler 405 Conquest boat, featuring stainless steel design.
  • 2026 Boston Whaler 405 Conquest interior storage drawers and compartments.
  • Open storage drawers on a 2026 Boston Whaler 405 Conquest boat interior.
  • Interior of 2026 Boston Whaler 405 Conquest with luxurious seating and wooden flooring.
  • Luxurious interior of 2026 Boston Whaler 405 Conquest with wood accents and modern navigation equipment.
  • Luxurious interior of 2026 Boston Whaler 405 Conquest with elegant seating and wooden table.
  • Interior of 2026 Boston Whaler 405 Conquest, featuring sleek helm and modern cabinetry.
  • Interior of 2026 Boston Whaler 405 Conquest, featuring luxurious helm and seating area.
  • Luxurious helm seating and Simrad display on 2026 Boston Whaler 405 Conquest boat.
  • Helm of 2026 Boston Whaler 405 Conquest with Simrad navigation system.
  • Interior of 2026 Boston Whaler 405 Conquest with wooden flooring and seating area.
  • Interior of 2026 Boston Whaler 405 Conquest with white seating and wooden table.
  • Manufacturer Provided Image: Luxurious interior of 2026 Boston Whaler 405 Conquest yacht with elegant seating and modern decor.
  • Manufacturer Provided Image: Luxurious interior of 2026 Boston Whaler 405 Conquest yacht with modern kitchen amenities.
  • Manufacturer Provided Image: Luxurious interior of 2026 Boston Whaler 405 Conquest yacht with modern wood finishes.
  • Manufacturer Provided Image: Luxurious cabin interior of 2026 Boston Whaler 405 Conquest with cozy bed and wooden cabinetry.
  • Manufacturer Provided Image: 2026 Boston Whaler 405 Conquest cabin interior with storage and seating.
  • Manufacturer Provided Image: Luxurious cabin interior of 2026 Boston Whaler 405 Conquest with cozy bedding and modern decor.
  • Manufacturer Provided Image: Luxurious cabin interior of 2026 Boston Whaler 405 Conquest with ambient lighting and cozy bedding.
  • Manufacturer Provided Image: Luxurious bathroom interior of 2026 Boston Whaler 405 Conquest yacht with modern amenities.
  • Manufacturer Provided Image: Bathroom interior of 2026 Boston Whaler 405 Conquest, featuring modern design and amenities.
  • Manufacturer Provided Image: Top view schematic of 2026 Boston Whaler 405 Conquest boat layout.

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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.