Built by Boston Whaler in 2025, MA BELLE is a 12.49-metre motor yacht that combines serious offshore capability with the comfort and amenities of a luxury cruising vessel. At over 40 feet, the 405 Conquest flagship model 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.
MA BELLE is powered by quad Mercury V10 400 Verado outboards delivering 1,600 total horsepower, with joystick piloting, integrated autopilot, Skyhook digital anchoring, and a bow thruster for exceptional manoeuvrability. The vessel features a Seakeeper 6 gyroscopic stabilizer, premium rosewood interior, an extensive Simrad electronics package including twin 19-inch helm displays, a 24-inch co-captain display, and a 48-inch HALO open array radar. Additional owner upgrades include FLIR thermal imaging for night visibility, Starlink satellite connectivity, a 15kW diesel generator, dual Kenyon cooktops, pull-out cockpit grill, chiller cooler, full JL Audio premium sound system, and comprehensive refrigeration throughout. A Platinum Marine Service Protection Plan covers eligible components through June 2033.
With only 63 hours on the engines, MA BELLE appeals to buyers seeking an exceptionally well-equipped vessel ready for immediate use. Whether the goal is offshore fishing, extended cruising, entertaining, or weekend getaways, this 405 Conquest delivers versatility without the wait of ordering new. The combination of proven Boston Whaler construction quality, modern technology, and luxury appointments makes this an attractive option for those wanting a turnkey, fully optioned boat.
Bella Yacht assists buyers throughout the acquisition process, from availability checks and yacht analysis to negotiation strategy, survey coordination, documentation, refit advice, crew, delivery and post-purchase support. Our role is to help clients evaluate this yacht with clarity, compare it with relevant alternatives and secure the best possible conditions.
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Through our network of owners and partner brokers, we identify yachts genuinely available for sale but absent from our website and public yacht portals.
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Comparable by type, size and budget
Not Every Yacht for Sale Is Publicly Listed.
Through our network of owners and partner brokers, we identify yachts genuinely available for sale but absent from our website and public yacht portals.
Tell Us What You Are Looking For
Worldwide search across officially listed yachts and yachts genuinely available without being published online.
Viewings, survey, negotiation and closing.
Search mandate, then 4% + VAT at closing — or co-brokerage, borne by the seller. Always agreed before we start.
We coordinate the sale or part-exchange of your current yacht alongside your new acquisition. →
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