Boston Whaler 405 Conquest

405 Conquest

The Specs

Dimensions – 41’ 4” (12.60m)
L.O.A. – 13’ 6” (4.11 m)
Beam – 30 (0.76 m)
Draft – 30” (0.76 m)
Transom Height
Weight – 22,400 lbs (10,160 kg)
Weight (dry, no engine) – 30,360 lbs (17,853 kg)
Weight (with engines, fuel and water) Capacity – 6,922 lbs. (3,140 kg)
Maximum Weight Capacity – 4,050 lbs. (1,837 kg)
Swamped Capacity – 20
Persons Capacity –
Waste Capacity –
30 gallons (113.6 L)
Engines Maximum Horsepower – 1,881 HP (1,403 kW)
Minimum Horsepower – 1,200 HP (895 kW)
Maximum Engine Weight – 4,050 lbs. (1,837 kg)

Introducing the all-new Boston Whaler 405 Conquest, aka the SUV of the Sea. 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 new 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.

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Boston Whaler 405 Conquest
Boston Whaler 405 Conquest
Boston Whaler 405 Conquest
Boston Whaler 405 Conquest
Boston Whaler 405 Conquest
Boston Whaler 405 Conquest

With its sleek deep-V hull, wide beam and state-of-the-art Mercury Verado power, the award-winning Boston Whaler Conquest tackles both saltwater fishing and sophisticated entertaining with ease. Ample fishing amenities and cutting-edge technology at the helm lead to confident, successful offshore excursions, no matter what Mother Nature throws your way. Premium, fully adjustable seats turn the cockpit into a fantastic alfresco dining space, and a well-appointed cabin with enclosed head, galley and entertainment zone offers comfortable overnighting.

  • Cutting-edge technology ensures ultimate control at the helm
  • Hard-tops, sun shades and a pilothouse make Conquest the ultimate in all-weather protection
  • Aggressive Mercury Verado® outboard powers offshore runs
  • Dozens of fishing amenities and options let anglers pursue prey with confidence
  • Gracious cabin allows for comfortable overnighting
  • Enclosed head lets you go farther, longer
  • Thoughtful amenities, like the optional Summer Kitchen, invite effortless entertaining
  • A stable ride and plush seating allow for relaxation during fishing action and lounging alike

Yes, you can cut a Boston Whaler in two and drive away in the half with the engine. But unsinkability means more than just the unmatched safety of Unibond™ hull construction. It means smart design, high-quality construction and forward-thinking technology. It means premium experiences and comfort year in and year out, whether you’re fishing, cruising or both. It means having the Core Confidence to take on anything from the shallows to the roughest offshore water without worrying about a thing.

A lot goes into creating the Unsinkable Legend. From conceptualization to materials gathering to the hands-on build process, our team of designers, engineers and craftsmen use tremendous skill, innovative thinking, diligence and passion to guide their work. Get an inside look into how each beloved Whaler comes to life.

We’re committed to creating boats that are purposefully engineered to be safe, functional and low-maintenance, while they deliver a lifetime of carefree pleasure.

Boston Whaler uses a detailed portfolio planning process to ensure we are developing the highest quality products for our customers. Our strict process creates a roadmap of goals and delivery dates, ensuring every new product is delivered on time and lives up to the Boston Whaler name.

Our robust quality control process starts the minute raw materials arrive to the factory, and continues until your Whaler is delivered. QC systems help manufacturing experts inspect each boat to ensure the final product is worthy of the trusted Boston Whaler name.