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2025 Boston Whaler 405 Conquest For Sale


$1,299,999

Year

2025

Length

41.34 ft

Guests

4

Cabins

2

Drive Type

Outboard

HP / Engine

400 HP

Top Speed

45.5 KN

Fuel Type

Gas


See this vessel in person or via video
Earliest Viewing:
Sep 18, 2026 9:00 AM

Vessel Description

2025 Boston Whaler 405 Conquest for Sale in St Petersburg, FL

MarineMax Yachts is proud to present MA BELLE, an exceptionally well-equipped, like-new 2025 Boston Whaler 405 Conquest, powered by quad Mercury V10 400 Verado outboards.

The Boston Whaler 405 Conquest is the flagship of Whaler’s Conquest lineup, combining serious offshore capability with the comfort, accommodations, and amenities of a luxury cruising yacht. At over 40 feet, the 405 offers an impressive amount of usable space, including a climate-controlled pilothouse, spacious cockpit, well-appointed cabin, full galley, overnight accommodations, and multiple entertaining areas. Whether the goal is offshore fishing, extended cruising, entertaining family and friends, or spending weekends aboard, the 405 Conquest is designed to do it all while delivering the unsinkable construction and quality Boston Whaler is known for.

MA BELLE has just over 63 hours and shows like new. In addition to an extensive factory option list, the current owner has made several significant upgrades that separate this 405 from others on the market, including FLIR night vision, Starlink connectivity, and a Platinum Marine Service Protection Plan covering eligible boat components through 06/24/2033. This provides the next owner with an exceptional level of coverage and peace of mind for years to come.

Notable Options & Equipment

  • A total of 1,600 horsepower provides the 405 Conquest with impressive performance while Mercury’s V10 platform delivers smooth, quiet operation and excellent low-speed control.Quad Mercury V10 400 Verado Outboards­
  • Includes joystick docking, integrated autopilot, and Skyhook digital anchoring, making maneuvering this 40-foot-plus boat remarkably easy around docks, marinas, bridges, and other tight spaces.Mercury Joystick Piloting­
  • Provides an additional level of control when docking or maneuvering in wind and current.Bow Thruster­
  • Dramatically reduces boat roll, adding another level of comfort while offshore, drifting, fishing, entertaining, or spending time at anchor.Seakeeper 6 Gyroscopic Stabilizer – Approx. $111,000 Option­
  • Gives the cabin and interior accommodations a warm, upscale yacht-quality appearance.Premium Rosewood Interior­
  • A substantial factory upgrade providing convenient chilled storage directly in the cockpit.Chiller Cooler Under Port Aft Seat – Approx. $31,000 Option­
  • One of the highlights of MA BELLE’s equipment list, featuring:Extensive Simrad Electronics Package – $60,000+ Package­
  • Twin 19” Simrad multifunction displays at the helm
  • Massive 24” Simrad multifunction display for the co-captain
  • 48” Simrad HALO Open Array Radar
  • Simrad VHF
  • Integrated navigation and vessel information
  • A valuable owner-added upgrade that provides enhanced visibility and situational awareness when operating at night or in low-light conditions.FLIR Thermal Imaging Camera­
  • Owner-added satellite connectivity provides high-speed internet capability while cruising and spending extended time aboard.Starlink­
  • Multiple audio zones throughout the boat provide premium sound whether you’re relaxing in the cabin, entertaining in the pilothouse, or enjoying the cockpit.Full JL Audio Premium Sound System­
  • Provides substantial onboard power for the boat’s extensive electrical systems, climate control, galley equipment, refrigeration, and other amenities while away from shore power.15kW Diesel Generator­
  • Features a power-operated aft shade along with a manual forward bow shade, creating comfortable shaded entertaining areas throughout the boat.Bow & Stern Sunshades­
  • Extensive Refrigeration
  • Top-loading freezer in the cabin
  • Two refrigerators in the pilothouse
  • Additional refrigerator below
  • One cooktop is conveniently located in the pilothouse with a second cooktop in the lower galley, giving owners multiple options for meal preparation aboard.Dual Kenyon Cooktops­
  • Integrated into a cockpit drawer for convenient outdoor grilling and entertaining.Pull-Out Kenyon Cockpit Grill­
  • Ready for serious offshore fishing and deep-dropping equipment.Electric Reel Outlets­
  • Provides impressive nighttime ambiance while also improving visibility around the boat after dark.Underwater & Courtesy Lighting Throughout­
  • Significant long-term protection on eligible components of the vessel, providing added confidence and peace of mind to the next owner.Platinum Marine Service Protection Through 06/24/2033­

A Standout 405 Conquest

With only 63+ hours, quad V10 400 Verados, Seakeeper 6, an extensive Simrad electronics package, joystick piloting, bow thruster, FLIR, Starlink, upgraded refrigeration, generator, premium audio, and long-term component protection, MA BELLE represents an exceptional opportunity for someone looking for a highly optioned 405 Conquest without the wait associated with ordering a new boat.

The combination of offshore capability, fishing features, luxury accommodations, technology, and entertaining space makes the Boston Whaler 405 Conquest one of the most versatile boats in its class.

A FULL FACTORY OPTION AND EQUIPMENT LIST IS AVAILABLE BY REQUEST.

MA BELLE is located at MarineMax in St. Petersburg, Florida.

Please reach out with any questions, additional specifications, or to schedule a private showing of MA BELLE.

Performance
Fishing
Socializing
Cruising
Information on this listing is provided in good faith by YachtWay and the listing broker/dealer, but accuracy is not guaranteed. All details are subject to change and buyers should independently verify specifications, condition, and availability before purchase.

Technical Specifications

Country of Origin

United States (USA)

Vessel Designer

Boston Whaler

Hull Material

Fiberglass

Hull Number

224247

Guest Limit

4

Number of Cabins

2

Double Beds

2

Total Berths

4

Dry Head

1

Total Heads

1

4 x Mercury Verado 400 V10

Drive Type

Outboard

Horsepower per Engine

400 HP

Fuel Type

Gas

Port Outer engine hours

64 H

Port Inner engine hours

64 H

Starboard Outer engine hours

64 H

Starboard Inner engine hours

64 H

Top Speed

45.5 KN

Fuel Tank Capacity

620 gal

Number of Fuel Tanks

2

Fuel Tank Material

Stainless Steel

Fresh Water Tank

90 gal

Black Water Tank

30 gal

Waterline Length

34.94 ft

Overall Length

41.34 ft

Draft

2.5 ft

Dry Weight

22,400 lb

Beam

13.5 ft

Joystick

Radar

Onboard WiFi

TV

Underwater Lights

Nightvision

Autopilot

Simrad

VHF

Like New

Available for Co-brokerage

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2025 Boston Whaler 405 Conquest Range Calculator

NautiX Range Finder for Boston Whaler 405 Conquest powered by YachtWay.
This is an estimate based on available data and is intended for reference purposes only - not as a performance guarantee. As more performance data is collected, accuracy will continue to improve.

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2025 Boston Whaler 405 Conquest Price Value Factors

Several factors determine the value of a yacht for sale like the 2025 Boston Whaler 405 Conquest listed by St. Petersburg.
Age

This vessel was built in 2025. Newer yachts often retain higher value compared to older builds.

Options & Features

Upgrades such as Joystick, Radar, Onboard WiFi, TV, Underwater Lights & , or advanced electronics can increase the value of this Boston Whaler 405 Conquest.

Engine

This yacht shows 64 engine hours. Lower hours generally indicate less wear, similar to mileage on a car. Powered by Mercury, which also influences long-term value.

Warranty

This Boston Whaler 405 Conquest does not seem to have an active warranty.

Other Market Factors

Price may also be influenced by seasonal demand, available inventory, and vessel location.

Seller Info

St. Petersburg

St. Petersburg

Authorized Dealer

·

Member since 2026

·

Oldsmar Florida

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