Yachts for sale / Sanlorenzo SL86

2023 Sanlorenzo SL86

Seattle, WA, US 86 ft · 20 ft' beam 6 cabins 32 kn kn top
Asking
$7,795,000
Our Thoughts

The 2023 Sanlorenzo SL86 represents the pinnacle of Italian motor yacht engineering, combining the Ameglia Shipyard's legendary build quality with contemporary design and systems integration. This 86-foot composite motor yacht delivers a refined cruising experience with a maximum speed of 32 knots and a comfortable cruising speed of 27 knots, supported by twin MTU 12V 2000 M96L diesel engines producing 1,948 horsepower each and paired with ZF 3055V gearboxes.

Hull, Construction & Structural Design

Built entirely in composite materials by Sanlorenzo's renowned Ameglia facility, the SL86 employs vinyl-ester and polyester isophaltic resins with reinforced fiberglass lamination approved by RINA classification. The hull features a longitudinal structural framework with transverse frames and integrated girders extending from the engine foundation, ensuring exceptional rigidity and minimal vibration throughout the vessel. The main deck and superstructure utilize sandwich lamination with closed-cell PVC core, while the hull bottom is single-skin construction with sandwich sides in full compliance with CE regulations. Three watertight bulkheads divide the vessel into four watertight compartments—engine room, accommodation area, chain locker, and technical storage—with all pipe and cable penetrations sealed to specification. The partial double bottom incorporates structural tanks for fresh water, grey water, and black water systems. High-quality 12mm teak planking covers the main deck, with teak grating on the swimming platform and steps for optimal drainage and aesthetic continuity.

Propulsion, Maneuvering & Mechanical Systems

Twin MTU diesel engines deliver commanding performance with sophisticated control architecture. Both main engines feature fixed MTU control stations in the cockpit, while NiBrAl alloy propellers are optimized for comfort and efficiency. Aquamet 17 shafts supported on bronze brackets with mechanical seals ensure durability and reliability. AISI 316 stainless steel rudders with AQ 17 stocks provide precise maneuvering response. The steering system employs steer-by-wire technology with CANbus signal transmission and 230V linear actuators, supplemented by 24V automatic selector capability for redundancy.

Maneuvering systems include a hydraulic bow thruster with 300mm diameter internal tunnel and 350KGF thrust, controlled from both the internal helm and fly bridge, plus a hydraulic stern thruster. Zero-speed electric fin stabilizers function both at anchor and underway, while hydraulic trim tabs on the stern transom optimize running attitude. A Glendenning Cablemaster 100 AMP reel and Hubbel Smart Y Splitter support shore power connections. Twin electric reversible anchor windlasses (2,300W, 24V) and dual electrical capstans (1,700W, 24V) with local and remote control provide ground tackle management. Tropicalized air conditioning with twin chillers rated at 180,000 BTU ensures comfort in all climates.

Electrical Architecture & Power Generation

The yacht operates on three voltage systems: 115V AC single-phase 60Hz for main circuits, 24V DC for small power and electronics, and 12V DC for backup systems. The main switchboard resides in the engine room, with distribution panels strategically positioned throughout. Dual KOHLER 32kW generators (230V single-phase, 60Hz) mounted on silent blocks with soundproof casing provide independent redundancy, controllable from the wheel

Provided listing description Click to read the original broker text

Brief DescriptionThe SANLORENZO 86 Yacht is built as per the attached General Plans with the following specifications:Type: Motor yachtConstruction: SANLORENZO Ameglia Shipyard NavalArchitects: SANLORENZOEngineering: SANLORENZOExterior Design: OFFICINA ITALIANAInterior Design: SANLORENZOKey Features•    Sanlorenzo exceptional build quality•    Well laid out 4 x cabin ensuite accommodations with 2 x crew cabins forward•    Spacious salon combined with dining area and wet bar•    Zero speed stabilization at rest•    Tender garage with motorized deployment•    Large fully equipped bridge deck with an abundance of seating•    Water maker•    Dock mate – controller for engines and thrustersConstructionThe SANLORENZO 86 is a vessel built with composite material, with appropriately spaced transverse frames and girders, which run longitudinally as an extension of the engine foundation. Two watertight bulkheads are positioned, one to divide the engine room from the accommodation area and another one in the bow area to separate accommodations and technical storage. Side exhaust housing molding, main engine exhaust, and ventilation ducting for the engine room will be integrated into the hull structure. The main deck and the superstructure will be sandwich laminated using closed-cell PVC as the core. The hull will have a partial double bottom where the structural tanks for fresh water, grey, and black water will be fitted. Plans and DrawingsAll drawings and construction details will be produced by the SANLORENZO technical office or by an expert firm commissioned by the Shipyard, for the design of all shipboard systems, interior details, scantling construction, and all other drawings required by RINA for CE classification.

2023 Sanlorenzo SL86 Motor Yacht: Italian Craftsmanship and Advanced Stabilization for Refined Cruising
The 2023 Sanlorenzo SL86 represents a pinnacle of contemporary European motor yacht design, combining the Italian shipyard's reputation for structural excellence with sophisticated systems integration and owner-focused layout. At 86 feet with a 20-foot beam, this composite-built displacement cruiser is engineered for extended cruising with the comfort and operational simplicity that discerning owners expect from a vessel of this caliber. Located in Seattle, WA, this SL86 exemplifies the breed of modern long-range motor yacht that prioritizes seaworthiness, quiet operation, and versatile entertaining spaces without sacrificing mechanical reliability or ease of handling.
Overview and Design Philosophy
Sanlorenzo's Ameglia Shipyard has constructed the SL86 using advanced composite materials and construction methods that define the builder's approach to marine engineering. The hull employs a longitudinal structural framework with transverse bulkheads and girders extending from the engine foundation, a configuration that minimizes vibration and noise while maximizing structural continuity. Three watertight bulkheads divide the vessel into four distinct compartments—engine room, accommodation area, chain locker, and technical storage—ensuring redundancy and safety that exceeds standard classification requirements. The exterior design by Officina Italiana establishes a modern profile with a raised pilothouse, expansive flybridge , and integrated tender garage. The interior design reflects Sanlorenzo's philosophy of combining Italian craftsmanship with functional owner accommodations, crew efficiency, and entertainment flexibility. This particular vessel incorporates numerous owner-specified options that elevate the interior appointments and exterior functionality, including upgraded furnishings, custom cabinetry, extended audio-visual systems, and enhanced deck amenities.
Construction and Structural Integrity
The SL86 is built using vinyl-ester resin for the first three hull lamination layers and polyester isophthalic resin for subsequent hull plating and structures, with reinforcement fibers selected by application—mat, roving, multi-axial, and unidirectional glass as specified in RINA-approved structural drawings. The main deck and superstructure employ sandwich lamination with closed-cell PVC core (density 50–90 kg/m³), which provides exceptional stiffness while minimizing weight and thermal transmission. The hull bottom is single-skin construction of varying thicknesses, while the sides are sandwich-laminated in compliance with CE regulations. A partial double bottom accommodates structural tanks for fresh water, grey water, and black water, optimizing space utilization while maintaining structural integrity. All tanks are built in GRP and laminated in monolithic and sandwich construction, designed with internal reinforcements to preserve hull stiffness continuity. Fuel tanks are positioned transversely forward of the engine room, shaped to occupy the space between hull, deck, and sides for maximum efficiency. Insulation throughout the vessel employs thermal and acoustic sandwich materials with needles and floating bulkheads on viscous-elastic elements, isolating the engine room from accommodation areas and individual cabins from crew quarters. Exhaust piping, ventilation trunks, and gas pipes are wrapped with thermal insulation sandwich providing flame resistance and self-extinguishing properties. The main deck is covered with 12mm teak planks glued directly to the deck structure, with teak grating on the swimming platform and steps for drainage and safety.
Propulsion and Maneuvering Systems
The SL86 is powered by twin MTU 12V 2000 M96L diesel engines, each producing 1,948 horsepower, paired with ZF 3055V gearboxes. This configuration delivers a cruising speed of 27 knots and a maximum speed of 32 knots, with fuel consumption and range characteristics typical of modern MTU propulsion at displacement-cruising speeds. The propellers are fabricated from NiBrAl alloy, optimized for comfort and performance. Shafts are Aquamet 17 or equivalent, supported on bronze brackets and stern tubes with mechanical seals. The rudders are AISI 316 stainless steel with surface and stock design ensuring precise maneuvering. Steering is handled by a steer-by-wire system with CANbus signal transmission and 230V linear actuators (or 24V via automatic selector), providing redundancy and modern helm responsiveness. A fixed MTU engine control station in the cockpit allows secondary engine monitoring and adjustment. Maneuvering is enhanced by hydraulic bow and stern thrusters with 300mm internal diameter tunnels integrated into the hull structure and 350 KGF thrust capability. Control levers are positioned at both the internal helm station and flybridge dashboard. Hydraulic trim tabs on the stern transom provide pitch control and fuel efficiency optimization. The vessel is equipped with a Glendenning Cablemaster 100 AMP reel and Hubbel Smart Y splitter for shore power and electrical distribution.
Stabilization and Comfort Systems
A standout feature of this SL86 is the installation of zero-speed electric fin stabilizers, enabling the vessel to maintain comfort and reduce rolling at anchor or while underway. This system operates independently of engine speed, a significant advantage for extended anchoring in variable sea conditions. The stabilization system is integrated with the vessel's central control architecture, allowing monitoring and adjustment from both the wheelhouse and flybridge. Cooling and climate control are managed by tropicalized air conditioning systems with twin chillers rated at 180,000 BTU, distributed throughout the vessel to maintain consistent temperatures in accommodations, crew quarters, and the engine room. The system is designed for operation in warm climates and can be modulated to conserve energy during mild-weather cruising.
Helm and Navigation Electronics
The wheelhouse control station features a comprehensive Garmin Diamond navigation package (upgraded from the standard Silver package) with integrated Atmosphere dashboard system. Two 12-inch multi-function displays provide redundancy and operational flexibility, complemented by a dedicated rudder angle indicator, autopilot system, VHF radio, and AIS receiver. This configuration supports single-operator handling and delivers real-time vessel performance data and navigation information to the helm. The flybridge is equipped with a 12-inch multi-function display, speed/depth/wind/temperature indicator, rudder angle indicator, autopilot control, and VHF radio, enabling command-level decision-making from the upper helm station. The roll bar supports a 48–72 nautical mile open-array radar antenna, GPS antenna, VHF and AIS antennas, wind transducer, and signaling horn, providing comprehensive situational awareness and communication capability. Navigation electronics are supplemented by predispositions for SAT TV HD and dual empty radomes for satellite phone installation, allowing future addition of maritime communication systems without structural modification. Internal communication is supported by predisposition for a PABX system in the technical area beneath the wheelhouse, facilitating crew coordination and guest communication throughout the vessel.
Electrical Architecture and Power Systems
The electrical system operates on 115V AC single-phase 60 Hz for main power circuits, 24V DC for small power circuits and electronics, and 12V DC for generator startup and VHF. All cable is sized for maximum amperage and housed in metal trays or self-extinguishing PVC raceways. The main switchboard panel is located in the engine room, with distribution panels strategically positioned throughout the vessel. Grounding employs a dual-system approach: metallic components and sea intakes are connected to two copper bands throughout the yacht and aft zinc anodes, while electrical and electronics equipment are grounded to independent porous plates, ensuring electromagnetic compatibility and corrosion protection. Power generation is provided by two Kohler 32 kW generators (230V single-phase 60 Hz) mounted on silent blocks in the engine room with soundproof casing. Generators can be started locally or remotely via the wheelhouse touch screen monitor. Two 230V 63A shore power connections are housed in a dedicated locker on the transom, with automatic switchover and protection via the main switchboard panel. The battery architecture supports multiple independent systems: an 800 Ah/24V DC service battery bank for signaling, small power circuits, and lighting; a 56 Ah/12V emergency battery dedicated to VHF; two sets of 240 Ah/24V main engine starting batteries (1200A discharge capacity); a 200 Ah/24V MTU electronics battery bank; and two sets of 140 Ah/12V generator starting batteries (700A capacity). Automatic battery chargers (100A/24V, 50A/24V, and 10A/12V) maintain charge without operator intervention. A 24V/230V 1500W inverter powers the galley refrigerator and freezer. Lighting throughout the vessel
Length
86 ft
Beam
20 ft'
Year
2023
Builder
Sanlorenzo
Model
SL86
Cabins
6
Max speed
32 kn kn
What type of motor yacht is the Sanlorenzo SL86, and what are its key dimensions and performance specifications?
The Sanlorenzo SL86 is a 2023 composite motor yacht measuring 86 feet in length with a 20-foot beam and 6.17-foot draft. It is powered by two MTU 12V 2000 M96L diesel engines producing 1,948 horsepower each, enabling a maximum speed of 32 knots and a cruising speed of 27 knots. The vessel carries 2,113 gallons of fuel and 449 gallons of fresh water, making it well-suited for extended cruising in coastal and offshore waters. The yacht was designed by Officina Italiana for exterior styling and built by Sanlorenzo at their Ameglia shipyard in Italy using advanced composite construction methods.
How is the Sanlorenzo SL86 constructed, and what structural advantages does composite building provide?
The SL86 is constructed entirely from composite materials using vinyl-ester resin for the first three hull layers and polyester isophthalic resin for hull plating and structures, with reinforcement fibers including mat, roving, multi-axial, and unidirectional glass. The hull bottom is single-skin laminate while the sides and superstructure use sandwich construction with closed-cell PVC core, meeting CE regulations and RINA classification. The vessel features three watertight bulkheads dividing it into four watertight compartments, longitudinal structural girders, and integrated structural tanks for fuel, fresh water, and waste. This design minimizes vibration and noise while maximizing structural continuity and safety, with specialized reinforcements around propulsion machinery, thrusters, rudders, and maneuvering equipment.
What cabin and accommodation layout does the Sanlorenzo SL86 offer for owners and guests?
The SL86 provides well-appointed accommodations with four guest cabins, each with ensuite bathrooms, plus two crew cabins forward. The owner's cabin features a bed with lifting system, LED television, and high-end audio system with speakers and subwoofer. A VIP cabin and two guest cabins offer similar entertainment amenities, with one guest cabin featuring a sliding bed option. All cabins include ceiling lights with bedside controls, reading lights, and 230V electrical outlets. The crew quarters include television prearrangement and compact stereo systems. Interior finishes feature upgraded Italian furnishings, leather bed surrounds and headboards, wood ceilings, marble accents in the owner's heads, Flexform poufs, and custom Italian-crafted linens and towels for 12 people.
What dining and entertaining spaces are available in the main salon and galley area?
The SL86 features a spacious salon combined with dining area and wet bar, accommodating formal entertaining with a 40-inch LED television, high-fidelity audio system with CD/DVD/BluRay player, and dual speakers with subwoofer. The dining area includes eight Cassina leather stools and can be configured with a custom Italian bar cabinet featuring integrated sink, foldable faucets, and bottle storage with mirror backing and LED accent lighting. The galley is fully equipped with Miele cooktop and oven, Miele dishwasher and ventilation fan, GE microwave with integrated hood, Subzero refrigerator and freezer, Indel Webasto ice maker, and Insinkerator food waste disposal. Additional bar refrigeration with two drawers and a flybridge refrigerator support entertaining throughout the vessel.
What propulsion control systems and maneuvering capabilities does the SL86 provide at the helm?
The SL86 features a steer-by-wire system with CANbus signal transmission and 230V linear actuators (or 24V through automatic selector), providing precise helm control. An additional fixed MTU engine control station in the cockpit allows direct engine management from the aft deck. The vessel includes dual hydraulic bow and stern thrusters with 350KGF thrust, controlled via levers at both the wheelhouse and flybridge helm stations. A pair of hydraulic trim tabs on the stern transom optimize running attitude and comfort. The steering system is supported by AISI 316 stainless steel rudders with surface and stock designed for excellent maneuvering performance, with rudder holes featuring steel tubes and bronze flanges.
What navigation electronics and autopilot systems are installed on the Sanlorenzo SL86?
The SL86 is equipped with a Garmin Diamond package featuring Garmin Atmosphere integrated dashboard system, providing advanced navigation and vessel monitoring. The wheelhouse control station includes two 12-inch multi-function displays, rudder angle indicator, autopilot, VHF radio, and AIS receiver. The flybridge is similarly outfitted with a 12-inch multi-function display, speed/depth/wind/temperature indicator, rudder angle indicator, autopilot, and VHF. Navigation antennas mounted on the hardtop roll bar include a GPS antenna, 48-72 nautical mile radar open array antenna, VHF antenna, and AIS antenna. The system supports satellite television predisposition with two empty radomes for satellite phone installation, enabling comprehensive communication and navigation capability for extended cruising.
What stabilization and comfort systems does the SL86 provide for extended cruising and anchoring?
The SL86 features zero-speed electric fin stabilizers that operate both underway and at anchor, significantly reducing motion and improving comfort in rough sea conditions. The vessel is equipped with tropicalized air conditioning systems with twin chillers providing 180,000 BTU of cooling capacity to maintain comfortable cabin temperatures in warm climates. A water maker provides fresh water generation for extended cruising independence. The composite hull construction with integrated thermal and acoustic insulation in cabin bulkheads, flooring, and exposed surfaces minimizes engine noise and vibration transmission to living areas. These systems work together to create a stable, quiet, and comfortable cruising platform suitable for extended offshore passages.
What exterior deck spaces and features are configured on the flybridge and cockpit areas?
The SL86 offers extensive exterior entertaining and relaxation spaces with a large fully equipped bridge deck providing abundant seating. The flybridge includes a custom bar cabinet with Corian glacier white top, slatted varnished teak doors, and integrated television lifting system. Two electric up-down tables in the aft cockpit feature slatted varnished teak tops and stainless steel profiles, with a central teak section for flexible configuration. Flybridge amenities include a column shower, teak flooring, marine stereo with dual speakers, and optional sun awning with stainless steel poles. The hard top features optional electric opening roof blades and bicolor superstructure painting. Four underwater lights with 7,000 lumens each illuminate the transom and hull sides for nighttime ambiance, while a bow sun awning with stainless steel poles provides shade forward.
How does the tender garage and deployment system function on the SL86?
The SL86 includes a tender garage with motorized deployment system, allowing secure storage of a tender or water toys with convenient launching and retrieval capability. The system is controlled remotely, enabling single-operator deployment without requiring crew assistance or complex manual procedures. The garage is integrated into the yacht's design to minimize visual impact while maximizing functional storage. A side boarding ladder provides safe access to the water when the tender is deployed or during swimming operations. This integrated tender management system is particularly valuable for cruising yachts, as it provides safe, protected storage while maintaining the ability to quickly launch water activities or tenders for exploring anchorages.
What electrical power systems and battery infrastructure support the SL86's onboard operations?
The SL86 operates on multiple voltage systems: 115V AC single-phase 60Hz for main power circuits, 24V DC for small power circuits and electronics, and 12V DC for generator and VHF systems. Two Kohler 32kW generators mounted on silent blocks with soundproof casing provide independent AC power generation with remote start capability from the wheelhouse touch screen. An 800Ah 24V DC gel service battery bank powers signaling, small circuits, and lighting, supplemented by dedicated 200Ah 24V battery bank for MTU engine electronics and 240Ah 24V starting batteries for main engines. A 56Ah 12V emergency gel battery supports the VHF independently. Four automatic battery chargers (100A/24V, 100A/24V with 3kW inverter, 50A/24V, and 10A/12V) manage charging from shore power or alternators. A 1500W 24V/230V inverter powers the galley refrigerator independently, ensuring critical systems remain operational during generator shutdown or shore power loss.
What audio/video and entertainment systems are distributed throughout the Sanlorenzo SL86?
The SL86 features a centralized audio/video system with dedicated entertainment zones throughout the vessel. The main salon includes a 40-inch LED television with high-fidelity system featuring tuning amplifier, multimedia player, CD/DVD/BluRay capability, dual speakers, and subwoofer. The owner's cabin contains a 32-inch LED television with identical audio components, while the VIP cabin and two guest cabins have 32-inch televisions with compact stereo systems and dual speakers. Guest cabins include television outlets for flexible configuration. Crew quarters feature television prearrangement with compact stereo systems. The flybridge is equipped with a marine stereo and dual speakers, while the wheelhouse includes stereo with dual speakers. The cockpit features two recessed ceiling speakers connected to the main saloon audio system, allowing seamless entertainment from the primary gathering spaces throughout the vessel's interior and exterior areas.

Fly Yachts is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Worth Avenue Yachts - Seattle WA. It is offered as a convenience by this broker/dealer to its clients and is not intended to convey direct representation of a particular vessel.

Similar yachts

More Sanlorenzo yachts

See all Sanlorenzo listings →

Watch this boat

Not ready to talk yet? Leave your number — we'll personally alert you the moment the price moves or her status changes.

$7,795,000 Request a call
¿Habla español? (traducción automática)

Hablamos español

Déjenos su número y un broker de Fly Yachts le llamará — en español.