The Monaco Yacht Show served as the grand stage for one of the most anticipated reveals in modern yachting: the global debut of Royal Huisman’s Project 410. Stretching an incredible 85 meters (280 feet), she is officially on track to become the world’s largest sloop-rigged sailing yacht. The newly released renderings and schematics offer the most definitive look yet at this boundary-pushing megayacht as she enters her final assembly phase at the shipyard in Vollenhove, The Netherlands. Her striking exterior lines and naval architecture are penned by Frers Design, with sophisticated interior concepts curated by Wetzels Brown.
Until now, the shipyard team had kept Project 410 shrouded in strict secrecy, sharing only brief glimpses of her development since the initial commission. The last major milestone came to light in the summer of 2024, marked by the complex engineering feat of turning her colossal aluminum hull.
Two years later, the finish line is well within sight. This coming November, Project 410 will depart the indoor newbuild facility in Vollenhove, traveling to the shipyard’s deepwater yard near Amsterdam. There, she will meet the water for her official launch before stepping her towering carbon mast and matching boom—both custom-engineered by Rondal. The fresh visuals debuted in Monaco provide the first real opportunity to appreciate her sweeping scale and aggressive, elegant character.
Engineering a Pure Sailor’s Yacht
While claiming the title of the world’s largest single-masted sloop—and securing a spot among the top ten largest sailing vessels on the planet—the brief for Project 410 was never solely about breaking records. The ultimate goal has always been to build a true sailor’s yacht. Engineered for effortless operation, she is designed to be under sail within minutes, delivering highly rewarding performance even in light, unpredictable breezes. To achieve this balance of comfort and agility, Frers Design engineered a high-volume hull capable of accommodating two full decks beneath a remarkably low-profile deckhouse.
Relatively high freeboards wrap the vessel to maximize guest privacy and offshore protection. Concurrently, the naval architecture blends a shallow draft with exceptional stability, allowing the yacht to reach remote destinations while maintaining minimal heel angles.
Pure deck lines form a single arrow shape from bow to stern, incorporating the glass pilothouse”, notes Mani Frers of Frers Design. “The raked mast and uniquely engineered boom reinforce the yacht’s dynamic profile.”
Sustainability also sits at the core of the yacht’s technical platform, aligning with Royal Huisman’sprogressive Tidal Shift program. The vessel integrates cutting-edge energy regeneration capabilities while under sail, backed by a massive battery storage bank. This setup allows for completely silent ship operation and eco-conscious cruising, drastically reducing emissions without compromising onboard luxury. The entire rig and sailing system were engineered by Rondal, Royal Huisman’s sister company, fusing specialized rig expertise with heavy shipyard engineering on an unprecedented scale.
Architecture Born from the Inside Out
Departing from standard superyacht design practices, the story of Project 410 began entirely from within. Wetzels Brown designed the interior experience first, establishing it as the literal foundation for the yacht’s structural architecture and its connection to the open ocean. Only then did they collaborate with Frers Design to sculpt the exterior form. The resulting layout merges the commanding presence of a racing thoroughbred with the serene, unhurried atmosphere of a private island retreat. Oversized hull windows effectively pull the horizon straight into the living spaces, while overhead skylights and soaring ceilings flood the interior with shifting daylight, offering dramatic views of the towering mast above.
The primary guest accommodations are smartly arranged on a single level within the hull, safely isolated beneath the refined deckhouse for ultimate privacy. A grand, double-height entryway draws guests toward the central salon. Moving aft, a sweeping veranda flows into a dedicated beach club, creating a flawless indoor-outdoor sequence of shade, sunlight, and open water. Forward, natural light paths guide the way to the secluded owner’s suite.
“For us, the interior is about creating an environment where people can relax, feel close to the sea and create memories”, explains Gillian Brown of Wetzels Brown. “The exterior, interior and experience of sailing have been developed as one continuous expression.”
As the megayacht prepares for her highly anticipated move to deep water, this closely guarded masterpiece is entering its final act.
Project 410 represents an extraordinary combination of vision, scale and innovation”, states Peter Naeyé, CEO of Royal Huisman. “The ambition was never simply to build the world’s largest sloop, but to create a stunning sailing yacht that remains true to the pleasure and performance of sailing. Seeing her now approaching completion makes us immensely proud. She is an exceptional team achievement.”
