2025 Boston Whaler 405 Conquest

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The 405 Conquest, aka the SUV of the Sea, is envisioned from the keel up as an adventure-ready cruiser, the 405 delivers incredible performance, versatility and ease of use. From the robust bow lounge area, to the ultra-convertible helm companion zone, to the inviting cabin with master and two guest sleeping quarters, the 405 brings sophistication and luxury to the Conquest series. 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 and two guest sleeping quarters, an enclosed head with separate shower, a convenient galley and more.
Full-beam single-piece windshield with optional side glass for unobstructed visibility and a closer sense of connection with the water.
Quad 300-hp Mercury Verado® engines with optional Joystick Piloting 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.

Basic Boat Info

Make: Boston Whaler

Model: 405 Conquest

Year: 2025

Condition: New

Category: Power

Construction: Fiberglass

Dimensions

Length: 41'4 ft

Beam: 13'6 ft

Min Draft: 2'7 ft

Bridge Clearance: 10'5 ft

Deadrise: 19 deg

Tanks

Fuel Tank Capacity: 620 gal

Water Tank Capacity: 90 gal

Holding Tank Capacity: 30 gal

Other

Maximum Number Of Passengers: 20

Heads Count: 1

Boat Class: Walkarounds, Cruisers

More Info :

Boston Whaler Website

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)