The first hull, the 58m superyacht Perla Lunar, has already been delivered, while a second unit is already in build. The launch marks 15 years since the yard entered steel yacht production and sets a new direction in the 55 to 60 meter range.
How The 58Steel Expands On The 57Steel
Designed by Zuccon International Project, the 58Steel progresses the ideas established by the Sanlorenzo 57Steel but takes them further in size and spatial freedom. The yacht sits on an all-new 10.8-meter beam and introduces volumes typically found on a larger 64-meter yacht. The updated platform reorganizes the internal footprint, supported by a redesigned engine room that now occupies a single deck. This shift frees more than 40 square meters for guest areas and the beach club.
While drawing inspiration from the 57Steel design, 58Steel evolves it completely, offering interior volumescomparable to those of a 64-meter yacht. "
Sanlorenzo
The steel exterior of the yacht follows Zuccon’s familiar architectural approach, with clear lines and sculptural surfaces intended to convey strength without excess. The bridge deck has been stretched by one meter, bringing both visual balance and improved use of space, while the stern beach club is configured as a three-sided terrace at water level.
Inside The 58Steel’s New Propulsion Setup
At the core of the motor yacht is Sanlorenzo’s new diesel-electric system, the first to appear in the yard’s steel range. Five 425 kW generators feed a 1 MWh battery pack, enabling two hours of quiet cruising or up to eight hours of zero-emissions hotel mode at anchor. According to Sanlorenzo, the setup lowers emissions by around 10 percent compared with a conventional arrangement and significantly cuts noise and vibration.
The propulsion system drives azimuthal pods that support tighter maneuvering and contribute to lower noise levels. It also underpins the yacht’s restructured engine room layout, which plays a direct role in the increased footprint of interior guest spaces. Sanlorenzo CEO Tommaso Vincenzi said the model reflects evolution in the yard’s thinking, with the propulsion system giving more freedom in layout, space, and onboard experience.
Interior Architecture Shaped By Warm, Tactile Materials
Sanlorenzo’s in-house Style Department handled the interior of the superyacht, shaping the spaces around a muted, tactile palette. Dark woods appear throughout, paired with Calacatta Borghini marble, mother-of-pearl, and champagne-toned metalwork.
The main deck lounge opens directly to a glass-bottomed infinity pool, creating continuity across the aft section. The material selection aims for warmth without excess ornamentation, framing the larger volumes created by the new platform.
Above, the Owner’s deck is treated as a self-contained residence with a spa bathroom, full-height glazing, and direct access to its own pool. The space includes an office, dressing area, and a lounge that converts into a private cinema, a layout that also suits charter-focused operation.
Wellness And Layout At The Heart Of The Design
A major feature is the three-sided beach club. When unfolded, it forms a floating terrace equipped with a bar, hammam, gym, and beauty salon. With the expanded internal volume provided by the revised propulsion layout, this area becomes one of the key points of the 58Steel and anchors the yacht’s wellness focus.
The yacht’s configuration centers on flexibility, with spaces that can be adapted across private and charter use cases. Two full-beam VIP cabins sit on the lower deck, each with panoramic windows, and the main deck holds a full-beam Supreme VIP that mirrors many features of a primary suite.
Positioning the 58Steel Within Sanlorenzo’s Steel Range
According to YachtBuyer Market Watch, the largest yacht database in the world, the 58Steel sits at the midpoint of Sanlorenzo’s steel lineup, bridging the step between the 50Steel and the larger 64Steel and 74Steel models. Buyers comparing across the range will see clear differences in volume, cabin arrangement, and onboard facilities, with the 58Steel aiming to deliver the spatial feel of a 64-meter platform while remaining below that size bracket.
The Sanlorenzo 50Steel suits owners seeking a 50-meter profile with a simpler displacement platform, a five-cabin layout and a strong indoor-outdoor connection. It offers generous livability at a smaller scale, with a 4,000 nm range and a proven reputation in the 40 to 60 meter category. The 58Steel increases this footprint with a broader beam, higher internal volume and a wider choice of guest spaces, including two full-beam VIPs and the Owner’s deck sanctuary not found on the 50Steel.
For those considering larger models, the Sanlorenzo 64Steel introduces a sixth cabin, longer range and a more elaborate beach club structure, along with features such as the upper deck master terrace and the double staircase linking the pool to the beach club. The Sanlorenzo 74Steel then takes these ideas to full flagship scale with a 300 sq m Owner’s deck, an enlarged spa and wellness area, and diesel-electric engineering that maximizes internal space for extended cruising.
The arrival of the 58Steel signals a clear shift in Sanlorenzo’s approach to space, propulsion and onboard flexibility, placing the model as a meaningful step between the yard’s smaller and larger steel yachts. With the first hull already delivered and the second in build, it sets out a direction that will shape the next phase of the shipyard’s steel series.
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