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2025 Boston Whaler 405 Conquest Sold Boat in Stuart, FL 34994 US

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builtBuilt in 2025
Year the boat was built
model

405 Conquest

Boat model
engine

3 Engines (3x MERCURY)

Engine type and count
length

40 feet

Overall boat length
fuel

Gas

Fuel type
material

Fiberglass/Reinforced

Hull material

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The Image of Boston Whaler 405 Conquest 2025 - 02025 Boston Whaler 405 Conquest
PricePrice on requestPrice on requestPrice on requestPrice on requestPrice on requestPrice on request
LocationStuartFort MyersMiamiMiamiMiamiMiami
Nominal Length40'21'----
Engine MakeMERCURYMERCURY----
Total Engine Power600 hp200 hp----
Days on Market36611111
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Other 2025 Boston Whaler 405 Conquest For Sale in Florida, United States

Nominal Length
40ft
Length Overall
40ft
Beam
13.5ft
Dry Weight
22000lb
Fuel Tanks
600gal
Hull Material
fiberglass
Hull Shape
other
Engine 1
Engine Make
MERCURY
Engine Model
WHT 600 JPO VDO V12
Total Power
600hp
Fuel Type
gasoline
Engine 2
Engine Make
MERCURY
Engine Model
WHT 600 JPO VDO V12
Total Power
600hp
Fuel Type
gasoline
Engine 3
Engine Make
MERCURY
Engine Model
WHT 600 JPO VDO V12
Total Power
600hp
Fuel Type
gasoline

Videos from MarineMax Stuart on this 2025 Boston Whaler 405 Conquest

Contact MarineMax Stuart

Stuart, FL, 34994

Boston Whaler 405 Conquest: BoatTEST Review

Reviewed by Jeff Hammond

Boat Test Review on BoatTest.com

Overview

The Boston Whaler 405 Conquest represents the largest model in the Conquest lineup, designed with versatility in mind to accommodate families who enjoy both fishing and cruising. This model offers customizable features that cater to a dual-purpose lifestyle, blending comfort and functionality seamlessly.

Cockpit and Exterior Features

The cockpit of the 405 Conquest measures 11 feet 3 inches wide by 6 feet 6 inches fore and aft, offering a spacious and adaptable area. The standard layout includes a flip bench seat at the stern, while an optional summer kitchen replaces this with an electric grill, stainless steel rail, drawer-style refrigerator, sink, and multiple beverage holders. Storage is thoughtfully integrated, including dedicated spaces for a five-gallon bucket and cockpit tables, which Boston Whaler terms 'point-of-use storage.' For anglers, an optional aquarium live well can substitute the summer kitchen, with kitchen features relocated forward under the lounge. Additional fishing amenities include a 19-gallon live well in the aft port corner, rod holders, hawse pipes, racks for downrigger balls, and a first-in-class port side hull dive door with a heavy-duty stainless steel latch for hauling large fish or launching divers. The cockpit also features low-pressure glycol-filled cooling tubes for the 290-quart fish boxes, enhancing ice retention. Comfort and convenience are addressed with an optional 7-foot long sure shade, multiple rod holders on the hardtop, aft-facing lounge seats with beverage holders, a cooler with dual access, a pull-out shower, and wide passageways with secure rails leading to the foredeck. The foredeck itself boasts a 70-inch long by 58-inch wide sun pad with adjustable headrests, cup holders, grab rails, stereo speakers, and USB plugs.

Helm and Cockpit Galley

Access from the cockpit to the helm deck is facilitated by 9-inch tall steps with a 28-inch wide space between seats. The helm features a single-person seat that slides on a power base, with armrests and bolsters that fold up and a swivel function allowing the captain to engage socially when docked. The cockpit galley includes a Corian countertop, a single Kenyan burner, a sink with a fold-up faucet and removable cover, along with ample storage through drawers, cabinets, and a drawer-style refrigerator. The helm windshield is equipped with Boston Whaler's patented power vents and offers an optional full glass configuration. Additional features include overhead spreader lights, outrigger handles, speakers, courtesy lights, and a soft zipper pocket for storing the cockpit enclosure. An optional power skylight replaces standard hatches to enhance natural light.

Interior Living Spaces

The cabin provides six feet two inches of headroom and begins with a private bow stateroom, a highly requested feature in this size class. The sliding cabin hatch is uniquely designed with an articulating lower section to accommodate the hull's V-shape, a patented innovation by Boston Whaler. The bow berth, centered on the boat's axis, measures 80 inches long by 58 inches wide, with steps on either side. It includes adjustable head positioning for reclining to watch a 24-inch TV and stereo system located aft to port. Storage is abundant, with a cedar-lined hanging locker to starboard, a cedar-finished closet with shelves to port, and a large berth base that opens on gas struts for storing sizable items such as a life raft or luggage. A Dyson vacuum cleaner is standard and stored in the bow locker.

Heads and Additional Cabin Features

The private head compartment is accessible both from the master stateroom and the salon, featuring a separate shower area with a rainfall showerhead and a pull-up wand. The showerhead is designed to be recessed into the overhead in future models. The head also includes a vessel sink with Corian countertops, a skylight, and an opening port for ventilation. The salon area benefits from overhead skylights and hull-side windows that provide ample natural light. The dinette table folds to allow easy access and lowers to create additional sleeping space suitable for one adult or two children. Entertainment is supported by a stereo and a 32-inch TV, while controls for cooling, fish boxes, water maker, Sea Keeper, TV antenna gain, and air conditioning are discreetly housed behind overhead cabinet doors.

Galley and Aft Cabin

Located to port of the cabin steps, the galley is equipped with a single burner stove and a sink set in a Corian countertop, complemented by overhead storage and glass and beverage holders. Below the sink, an Isotherm refrigerator and a wastebasket are integrated. Above the galley, a cedar-lined locker offers additional storage with various shelves and compartments. The aft cabin features an 82 by 55 inch mattress that raises on a power assembly to reveal substantial storage beneath. Optional overhead racks can accommodate up to six fishing rods, enhancing the boat's utility for anglers.

Conclusion

The Boston Whaler 405 Conquest combines versatile cockpit and helm deck arrangements with comfortable and well-appointed interior accommodations, making it well-suited for family adventures on the water. Its thoughtful design caters equally to fishing enthusiasts and cruising families, while performance capabilities with Quad 400 Mercury outboards are detailed in a separate review. Overall, the 405 Conquest exemplifies Boston Whaler's commitment to quality, innovation, and multifunctional use.

Rating: 4.3 out of 5

Overview from around the web 2025 Boston Whaler 405 Conquest

Customers are praising the 2025 Boston Whaler 405 Conquest for its exceptional combination of luxury, performance, and versatility

Many highlight the boat's spacious and thoughtfully designed layout, which makes it ideal for both family outings and serious fishing adventures. The smooth ride and powerful engine options receive consistent compliments for delivering confidence and comfort even in challenging waters. Users also appreciate the high-quality craftsmanship and attention to detail that Boston Whaler is known for, noting the durable materials and innovative features that enhance safety and convenience. Overall, owners are impressed with how the 405 Conquest balances rugged capability with upscale amenities, making it a standout choice in the premium sportfishing and cruising category.

The Biggest Pros and Cons

The 2025 Boston Whaler 405 Conquest offers a range of advantages and a few considerations to keep in mind:

Pros

Unmatched Stability and Safety: Known for Boston Whaler’s signature unsinkable hull design, the 405 Conquest provides exceptional stability and peace of mind on the water.

Spacious and Versatile Layout: The boat features a well-thought-out deck plan with ample seating, fishing amenities, and comfortable accommodations, making it ideal for both family cruising and serious offshore fishing.

Powerful Performance: Equipped with twin high-performance engines, the 405 Conquest delivers impressive speed and smooth handling even in challenging sea conditions.

Advanced Technology: The helm is outfitted with modern navigation and fish-finding electronics, enhancing both safety and convenience.

Quality Build and Materials: Boston Whaler’s reputation for durable construction and premium finishes ensures longevity and a high resale value.

Cons

Premium Price Point: As a high-end, feature-rich vessel, the 405 Conquest comes with a significant investment that may be beyond some buyers’ budgets.

Fuel Consumption: With its powerful engines and size, fuel efficiency is moderate, which could impact operating costs during extended trips.

Size Considerations: While spacious, the boat’s size may require a larger trailer or specialized storage facilities, adding to ownership logistics.

Learning Curve: The advanced systems and multiple features might require some time to fully master for new owners.

Made For

The 2025 Boston Whaler 405 Conquest is designed for avid anglers and boating enthusiasts who demand a versatile, high-performance vessel. Ideal for serious offshore fishing, family outings, and extended cruising, this boat offers a perfect blend of rugged durability, innovative features, and luxurious comfort. Whether you're chasing big game fish, exploring coastal waters, or enjoying time on the water with friends and family, the 405 Conquest delivers exceptional capability and style for those who want the ultimate boating experience.

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MarineMax Stuart

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Stuart, FL 34994

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