Design Brief & Intent
The design brief for the Bolero 35 Mark III was simple yet highly exclusive: to create the ultimate purist day-sailer for owners who prioritize sailing aesthetics, speed, and handling over interior volume. While typical 35-foot production boats of the era from mainstream European manufacturers sought to pack multiple cabins, heads, and full galleys into wide, high-freeboard hulls, Dubois went in the absolute opposite direction. The Bolero 35 Mark III features an incredibly narrow beam of just 2.50 meters relative to its 11.20-meter length overall. This yields a needle-like, low-drag hull form with a flush deck, elegant overhangs, and a low-profile cabin trunk that draws immediate attention in any harbor.
Below decks, the interior finish reflects its day-sailing mission. Rather than a labyrinth of veneered bulkheads, the cabin is a clean, minimalist space lined with high-quality gelcoat and select wood trim, designed for simplicity and light weight. The layout offers only two comfortable single berths measuring two meters in length, providing basic overnight capability for weekend getaways, but intentionally omitting the heavy weight of enclosed heads, complex plumbing, and large galleys. Every square inch of the boat, from the carbon fiber mast and boom to the hand-laid GRP sandwich hull, was engineered to minimize displacement and maximize aesthetic and structural refinement.
Sailing Performance & Handling
On the water, the Bolero 35 Mark III behaves like a precision instrument. The boat has a light displacement of just 2,250 kilograms, yet it carries an exceptionally high ballast-to-displacement ratio, with a 900 to 950-kilogram bulb keel drawing 1.75 meters. This translates to a ballast ratio of over 40 percent. This high ratio, combined with the deep, modern bulb design, ensures that the boat is incredibly stiff and capable of carrying its generous fractional sail plan well into the upper wind ranges without early reefing.
While the static waterline length is relatively short at 7.10 meters, the long, elegant overhangs fore and aft are designed to immerse dynamically as the boat heels. This increases the effective waterline length under sail, raising the theoretical hull speed and smoothing out the passage through choppy water. The use of a high-aspect-ratio carbon fiber mast and boom reduces weight aloft dramatically. By minimizing the weight at the top of the rig, Dubois eliminated the annoying pitching and rolling (pendulum effect) common in heavy-rigged production boats, allowing the Bolero to accelerate instantly out of tacks and track beautifully in light air.
Control is maintained via an elegant wooden tiller connected to a deep, balanced spade rudder, which provides immediate, highly communicative helm feedback. The sail handling is optimized for single-handed or shorthanded sailing. It features a self-tacking jib track on the foredeck, a Seldén rodkicker boom vang, and high-quality Harken winches, allowing the helmsman to control the entire sail plan effortlessly without leaving the tiller. Whether slicing through light-air lake conditions or carving through coastal swells, the Bolero handles with the responsiveness of a racing dinghy and the stability of a much larger yacht.
Build Pedigree & Configurations
Because only four hulls were produced, there are no structural layout variations or alternative drafts to choose from. Each Bolero 35 Mark III is a direct reflection of its master builder’s standards. The hull is constructed of premium GRP sandwich composite, vacuum-molded to meet the demanding weight-saving and structural stiffness requirements of the Vitters facility. The deck is finished with a highly effective integrated non-skid surface, maintaining a flush, clean layout that keeps lines and hardware to a functional minimum.
The rig is fractional and optimized for modern sailing convenience. The standing rigging is high-tensile stainless steel wire, and the spars are black-painted carbon fiber, providing an aggressive yet elegant profile. Auxiliary power is provided by a compact, single-cylinder Yanmar 1GM10 diesel engine producing 9 horsepower. This engine is coupled to a saildrive unit driving a two-blade folding propeller, minimizing underwater drag when sailing. A 40-liter synthetic fuel tank provides ample motoring range for entering and leaving the harbor, which is all this purist daysailer requires.
Market Snapshot & Economics
Finding a Bolero 35 Mark III on the secondary market is an exercise in extreme patience. With only four hulls in existence globally, they are virtually non-existent on typical yacht listing platforms. When a hull does change hands, it does not trade on standard production boat depreciation curves. Instead, it commands a significant premium, appealing to yacht collectors, classic Dubois enthusiasts, and purists looking for a high-end alternative to modern daysailers from builders like Wally, Tofinou, or Saffier.
Financially, prospective owners must approach the Bolero 35 Mark III with an understanding of its dual nature. Mechanically, the boat is remarkably simple and affordable to maintain. The Yanmar 1GM10 auxiliary engine is legendary for its reliability, mechanical simplicity, and the widespread availability of inexpensive parts. However, the high-performance carbon rig and deck hardware represent a different tier of economics. Replacing the carbon mast or upgrading the high-performance running and standing rigging can easily involve specialized yacht-tender pricing, meaning the rig maintenance demands a budget more in line with a grand-prix racer than a standard 35-foot coastal cruiser.
Modernization & Upgrades
Given the boat's purpose as an elegant day-sailer with minimal motoring requirements, the Bolero 35 Mark III is an exceptional candidate for modern electric propulsion conversions. Several owners of high-end daysailers of this vintage have looked to swap out the noisy, vibrating single-cylinder Yanmar diesel for a silent, torque-rich electric inboard or pod drive system. A 5kW to 10kW electric motor, powered by a lightweight 48-volt lithium-ion battery bank, integrates perfectly with the boat's weight-sensitive design. This conversion not only eliminates the smell and maintenance of diesel fuel but also frees up valuable space in the small engine compartment and aligns the boat’s silent, graceful movement through the water with its visual elegance.
Other common modernizations focus on the deck layout and electronics. Upgrading to modern, low-stretch synthetic running rigging and high-efficiency blocks from brands like Harken or Ronstan enhances the responsiveness of the self-tacking jib and mainsail controls. Because the cabin house is small and the dash layout is minimal, modern owners typically install wireless wind and depth instruments, allowing telemetry to be viewed on an iPad or a single, low-profile digital display mounted near the companionway to preserve the clean, uncluttered aesthetic of the flush deck.
The Verdict
The Bolero 35 Mark III is a masterpiece of modern day-sailing design, marrying the legendary hull dynamics of Ed Dubois with the uncompromising build standards of the Dutch superyacht industry. It is not a boat for those who need a floating home, multiple private cabins, or a vessel to cross oceans. It is, however, one of the most beautiful, responsive, and exclusive day-sailers ever built, designed for those who believe that the journey on the water should be as aesthetically and physically perfect as possible.
Pros
- Exceptional superyacht-level design pedigree by Ed Dubois and molded by Vitters Shipyard.
- Stunning, low-profile visual lines with a flush deck and elegant overhangs.
- Thrilling, highly responsive sailing performance with superb light-air acceleration.
- Extremely stiff and stable under sail due to a high-aspect bulb keel and a 40 percent ballast ratio.
- High-end carbon fiber spar package minimizes weight aloft and reduces rolling.
- Easily sailed single-handed thanks to a self-tacking jib and simple, led-aft control lines.
- Mechanical simplicity of the reliable Yanmar 1GM10 engine keeps basic maintenance costs low.
Cons
- Exceedingly rare with only four hulls ever built, making them nearly impossible to acquire.
- Minimalist, stripped-down interior with only two berths and no standing headroom, making it unsuitable for extended cruising.
- High-performance carbon spars and yacht-grade hardware can be expensive to repair or replace.
- Narrow beam and low freeboard can lead to a wet ride in choppy coastal conditions.
