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2019 Ocean Alexander 100 Motoryacht

Stuart, FL, US 100 ft · 23 ft' beam 5 cabins
Asking
$7,495,000
Our Take

The 2019 Ocean Alexander 100 Motor Yacht "Zephyr" represents a masterclass in long-range cruising design, delivering the rare combination of serious offshore capability with refined luxury accommodations. Positioned at the pinnacle of the 100-foot motor yacht category, this vessel exemplifies Ocean Alexander's engineering philosophy: oversized systems, redundancy where it matters, and meticulous attention to detail in both mechanical and human factors.

Propulsion & Performance

Twin MTU 12V2000 diesel engines, each rated at 1,940 horsepower, drive this yacht with authority and efficiency. Currently logged at 2,010 hours, these powerplants were completed through a full 2,000-hour service in March 2026, ensuring optimal condition for extended cruising. The propulsion package includes a high-performance Nibral propeller, Aqua 22HS propeller shaft, and hydraulic steering system with redundant control stations. Dual Sidepower Vector Fin stabilizers—featuring 15 square feet of active fin area with zero-speed stabilization capability—deliver the kind of ride quality expected on vessels twice the price. Complementing the main engines are dual 55-kilowatt Kohler generators, providing ample electrical capacity for full hotel-load operation regardless of engine status.

Fuel, Water & Sustainability Systems

The 4,000-gallon fuel capacity supports extended blue-water passages, managed through dual Racor fuel-water separators, remote-readout MTU fuel filters, and a Gulf Coast fuel polishing system modeled on military tank design—all standard equipment reflecting Ocean Alexander's commitment to fuel system integrity. Twin 400-gallon-per-day water makers supply 800 gallons daily, with additional capacity through a Spot Zero waste treatment system rated for 600 gallons per day. A Seagull water purifier with 0.1-micron filtration provides drinking-water quality throughout the vessel. Fresh-water tankage supports extended cruising, while the comprehensive bilge and discharge systems include automatic pumping, high-water alarms at every station, and a unique dry-bilge ventilation arrangement that prevents moisture and mildew accumulation.

Electronics & Navigation

The integrated Garmin electronics suite centers on an 8600 series black-box system with three 24-inch touch screens in the skylounge station, complemented by a 25-kilowatt open-array radar, GHC20 autopilot, VHF with card reader, blackbox sounder, and AIS with NMEA GPS integration. A FLIR 255 navigational camera package, KVH satellite television with FLIR thermal imaging, and iPad-based N2KView remote monitoring allow operation and diagnostics from anywhere aboard or ashore. The Octoplex NMEA 2000 vessel system monitor—an aerospace-grade electrical control architecture—provides centralized monitoring of AC and DC systems, tank levels, bilge status, battery voltage and temperature, and automatic brown-out load shedding to preserve critical navigation and propulsion systems.

Stabilization & Seakeeping

Beyond the Sidepower fin stabilizers, the vessel incorporates dual hydraulic windlasses with 350-pound stainless steel anchors, 250 feet of half-inch high-tensile chain, and an automatic chain-wash system unique to Ocean Alexander—allowing deck crew to rinse anchor chain during operation without leaving the bridge. Bow and stern thrusters (55 horsepower and 40 horsepower respectively) provide precise station

Provided listing description Click to read the original broker text

For Sale: 2019 Ocean Alexander 100 Motor Yacht - ZEPHYRThe 2019 Ocean Alexander 100 Motor Yacht represents the perfect balance of luxury, performance, and long-range cruising capability. Designed for effortless entertaining and extended time aboard, “Zephyr” features an exceptional five-stateroom layout highlighted by a full-beam on-deck master suite, expansive guest accommodations, and the largest crew quarters in her class. Equipped with an impressive array of premium systems and upgrades—including zero-speed stabilizers, Garmin electronics, Spot Zero water purification, ElectroSea clear-line protection, twin MTU 12V2000 engines, and dual 55kW generators—this yacht is exceptionally well-appointed for both private enjoyment and world-class cruising. Fresh from extensive March 2026 updates, including MTU 2,000-hour engine service, new bottom paint, Prop Speed application, and a full detail, “Zephyr” is turnkey and ready for her next owner. Located in Stuart, this outstanding Ocean Alexander 100 is an exceptional opportunity to acquire a meticulously maintained and highly upgraded motor yacht.

2019 Ocean Alexander 100 Motoryacht "Zephyr" – Premium Five-Stateroom Luxury Cruising Yacht for Sale in Stuart, Florida
Overview
The 2019 Ocean Alexander 100 Motor Yacht "Zephyr" represents a comprehensive expression of modern luxury cruising design, combining extended-range capability with sophisticated onboard systems and refined accommodations. At 100 feet in length with a 23-foot beam, this five-stateroom motor yacht is engineered for owners who demand both performance and comfort during extended offshore passages and leisurely coastal cruising. Twin MTU 12V2000 engines producing 1,940 horsepower each, dual 55-kilowatt generators, advanced stabilization technology, and a full suite of Garmin navigation electronics establish the vessel as a capable platform for world-class cruising. The yacht's recent comprehensive service completion in March 2026—including a 2,000-hour MTU engine service, new bottom paint, and Prop Speed application—positions "Zephyr" as a well-maintained, turnkey-ready opportunity in the premium motor yacht market. Ocean Alexander's design philosophy prioritizes long-term seaworthiness, operator experience, and livability. The 100 model benefits from the builder's signature engineering approach: oversized drive-train components, superior hull construction, redundant safety systems, and thoughtfully integrated technology that serves both navigation and vessel monitoring. Every major system—from fuel management and electrical architecture to stabilization and waste treatment—reflects the builder's commitment to reliability and ease of operation, distinguishing this platform from competitors in the 100-foot segment.
Layout and Deck Design
The accommodations plan centers on a full-beam on-deck master stateroom forward, complemented by two VIP staterooms, one twin guest stateroom, and the largest crew quarters in the class. This five-stateroom configuration provides flexibility for private ownership, charter operation, or extended family cruising while maintaining generous crew and guest spaces. The main deck master suite occupies the full beam and features a king-sized berth with independently coiled sections to minimize sleep disturbance, dual nightstands with wood countertops, a walk-in closet with forward lighting, and a custom-engineered wide-opening curved window that maximizes natural light and exterior visibility. A vanity on the port side and a sofa with table on starboard create distinct dressing and relaxation zones. The master bath incorporates a seamless one-piece fiberglass shower stall with crystal-clear custom glass doors, heated stone flooring, and premium fixtures. This stateroom design reflects Ocean Alexander's attention to comfort and the owner's retreat experience. The skylounge, positioned above the main salon, serves as a secondary entertaining and navigation space with a wet bar, Jenn-Air refrigerator, LED 50-inch flip-down television with audio/video integration, three electric Stidd helm seats, and a settee with wood table. Phantom screens protect against insects and pollen while maintaining visibility. The skylounge's elevated position and multiple screen displays for Garmin electronics create an ideal command center for passage-making and monitoring vessel systems. The main salon features a 60-inch flip-down television with Blu-ray capability, custom Evan K. Marshall-designed furniture with concealed storage drawers, stone countertops at the wet bar and entertainment cabinetry, and enlarged windows with custom marine-grade aluminum mullions. A custom wood floor replaces traditional carpet, and a Sylomer floating floor system isolates vibration. A Sub-Zero refrigerator and comprehensive storage throughout ensure practical entertaining capacity. The galley, designated as a "true chef's galley," is equipped with a 30-inch Thermador electric cooktop, 30-inch Thermador electric oven, Sub-Zero refrigerator and freezer units, Sub-Zero ice maker, Sub-Zero wine cooler, 30-inch Viking over-the-range microwave with exhaust blower, Thermador dishwasher, a 15-inch Whirlpool trash compactor, and an Elkay professional-series sink with pull-out tap. Stone countertops and flooring, positive-latch cabinetry with hidden hinges, and overhead dish lockers reflect both functionality and design sophistication. A Seagull water purifier with 0.1-micron filtration and EPA microbiological certification ensures water quality throughout the vessel. The crew quarters, a standout feature, function as both working space and cabana-style retreat. The captain's stateroom includes a queen-sized berth with storage, a desk with N2KView-linked iPad for systems diagnostics, a cedar-lined hanging closet with automatic lighting, and dedicated storage. A separate crew lounge with LED 40-inch television and satellite receiver provides common space. The crew galley includes a sink, microwave, cooktop, and refrigerator with ice maker. A dedicated wet locker with separate water drain, stainless steel workbench, and Snap-on tool chest support operational needs. Crew quarters include a private head and shower, establishing this space as a fully independent suite rather than a secondary afterthought. The twin VIP stateroom and twin guest stateroom each feature double berths, nightstands with wood countertops, hanging lockers, and LED televisions. The guest stateroom's twin berths can slide together and convert to a single queen configuration, maximizing flexibility. All staterooms are fully air-conditioned with Dometic chilled-water systems rated for tropical climates. Exterior deck spaces emphasize safety and entertaining. The aft deck features teak planking and a foldable teak swim ladder, with side boarding gates and a recessed boarding ladder on the starboard gunnel. The bow includes concealed pop-up lighting, a hi-lo table that converts to a sun pad, and exterior speakers with audio streaming. The flybridge deck is finished in white non-skid material and features a custom 32-inch Electric-Chef barbecue, a boat deck seat with storage and stone table, and a manual awning with Ferrari mesh fabric and custom stainless steel poles. Pre-plumbing and wiring for a Jacuzzi indicate the owner's intention to expand amenities further. Manual awnings for both bow and flybridge, custom exterior protection canvas, and flip-down 32-inch and 40-inch televisions with satellite receivers on the flybridge and aft deck extend entertaining capability into exterior spaces.
Helm and Electronics
The navigation and vessel monitoring systems aboard "Zephyr" reflect Ocean Alexander's partnership with Garmin and integration of aerospace-grade monitoring architecture. A Garmin 8600 series black box with a 24-inch touch screen serves as the primary helm display, with two additional screens positioned in the skylounge. A Garmin GRID remote input device mounted on the helm chair enables intuitive control. The Garmin 25-kilowatt open-array radar, Garmin autopilot GHC20, Garmin VHF with card reader, Garmin blackbox sounder, and Garmin AIS with NMEA GPS create a comprehensive navigation suite. Two engine room cameras and one aft-deck camera integrate with the Garmin system, providing visual confirmation of critical spaces. A 5-inch iPad with built-in Garmin app enables navigational control and viewing throughout the vessel. Supplementary navigation technology includes KVH satellite television with FLIR 255 thermal imaging, a Ritchie compass, and a commercial-grade 4G-capable Wi-Fi router that supports onboard intranet connectivity and remote system access via iPad. The Atlas 50/60-hertz power converter automatically accommodates marina connections regardless of regional electrical standards. Vessel monitoring and control is managed through the Octoplex NMEA 2000 monitoring network, an aerospace-derived system that provides remote activation, control, and status reporting of AC and DC breakers. The system monitors power sources for voltage, frequency, and amperage abnormalities, providing visual and audio alerts. Enhanced circuit breaker functionality includes no-load indication, dimming controls, and usage information accessible via a reconfigurable touch-screen monitor. Brown-out configuration with auto load shedding ensures that essential systems—navigation, propulsion, and communications—remain powered while other systems automatically shed load during low-voltage events. The N2KView monitoring system, accessible via Apple iPad or Android device, provides wireless access to Octoplex data and the navigation system with fully customizable screen layouts and remote cell-phone notification capability. Monitored parameters include main engines and generators, AC and DC electrical systems, engine room weather-tight door status, tank levels, fire system status, bilge level alarms, and exterior door sensors. This level of remote monitoring and alert capability is a standard Ocean Alexander feature, not an optional upgrade. The helm station itself is ergonomically designed with custom wood paneling, faux leather accents, and a "floating" display
Length
100 ft
Beam
23 ft'
Year
2019
Builder
Ocean Alexander
Model
100 Motoryacht
Cabins
5
What makes the 2019 Ocean Alexander 100 Motor Yacht suitable for extended cruising?
The 2019 Ocean Alexander 100 is purpose-built for long-range cruising with twin MTU 12V2000 engines producing 1,940 horsepower each, a 4,000-gallon fuel capacity, and dual 55kW generators providing reliable power generation. The vessel includes dual 400 GPD water makers for fresh water production, a Spot Zero waste treatment system, and extensive refrigeration and freezer capacity throughout—all essential systems for self-sufficiency during extended time away from shore. The five-stateroom layout with the largest crew quarters in its class means the yacht can accommodate both owners and crew comfortably for weeks or months at sea. Zero-speed stabilizers ensure passenger comfort in various sea conditions, while the Garmin electronics package with autopilot and navigation systems supports confident long-distance passage-making.
How is the master stateroom configured on this Ocean Alexander 100?
The master stateroom is positioned as a full-beam on-deck suite, providing exceptional light and views through custom-engineered curved windows with aluminum beam support for maximum transparency. The sleeping area features a king-sized berth with independently coiled sections for his and hers comfort, minimizing movement transfer between sleepers. The suite includes two wood-topped nightstands, a walk-in closet with lighting on the forward section, a vanity on the port side, and a starboard sofa with table. A hidden safe is integrated into the hanging locker, and the custom headboard incorporates recessed indirect lighting. The master head features heated stone flooring, stone countertops with a china sink, and a seamless one-piece fiberglass shower with crystal-clear glass doors—Ocean Alexander's proprietary design that prevents long-term moisture damage behind panels.
What engine and propulsion systems power this vessel?
Twin MTU 12V2000 engines, each rated at 1,940 horsepower, provide the propulsion for this Ocean Alexander 100. The engines feature stainless steel engine beds, a lube oil change system with a 45-gallon tank, and a Delta T-fan cooling system. Fuel delivery is managed through dual Racor fuel/water separators with Y-valves, dual MTU fuel filters with remote readout capability, and a Gulf Coast fuel polishing system based on military-grade tank design. The hydraulic steering system includes stainless steel rudders with integrated zinc plates and a dripless seal for the rudder post. Propulsion is completed with a high-performance Nibral propeller and the Aqua 22HS propeller shaft with maintenance-free dripless seals. The vessel also features dual hydraulic windlasses, 55-horsepower bow thrusters, and 40-horsepower stern thrusters for precise maneuvering in tight spaces.
What is the navigation and electronics package included on this Ocean Alexander 100?
The vessel is equipped with a comprehensive Garmin electronics suite featuring an 8600 series black box with a 24-inch touch screen (with three screens at the skylounge station), a Garmin GRID remote input device installed on the helm chair, and a 25-kilowatt open array radar for excellent target detection at distance. Navigation aids include Garmin autopilot (GHC20), Garmin VHF with card reader, Garmin AIS with NMEA GPS, and a Garmin blackbox sounder. The system integrates Garmin marine cameras positioned in the engine room and aft deck. A 5-inch iPad with built-in Garmin app allows navigational control and viewing from multiple locations. The KVH satellite television system includes FLIR 255 with HD7 triad technology for direct HDTV reception. These systems work together through the N2KView monitoring platform, which provides wireless access via Apple iPad or Android devices for real-time engine, generator, tank level, bilge, fire system, and door sensor monitoring.
What stabilization systems does the Ocean Alexander 100 have, and how do they function?
The vessel is equipped with a Sidepower Vector Fin hydraulic stabilizer system featuring a 15-square-foot fin with zero-speed stabilization capability—meaning the system actively reduces hull motion even when the yacht is stationary or moving slowly. The Sidepower design uses a patented curved fin that provides lift while underway and incorporates active predictive inertia control technology. This award-winning system (DAME 2013) is unique in the industry for its ability to anticipate and counteract vessel motion before it occurs. Complementing the fin stabilizer, the yacht includes 55-horsepower bow thrusters and 40-horsepower stern thrusters for lateral movement control during docking and anchoring. The Atlas World Power System with plug-in yacht controller allows remote operation from both the bridge and aft deck, giving the operator full control of all propulsion and stabilization systems from multiple locations.
How many staterooms and what is the sleeping capacity of this motor yacht?
The 2019 Ocean Alexander 100 features five staterooms with distinct layouts and purposes. The master stateroom is a full-beam on-deck suite with a king berth. There are twin VIP staterooms, each with a double berth, nightstands, vanity table with chair, and walk-in closets. The twin guest stateroom includes side-by-side berths that can slide together and convert to a single queen berth, along with cedar-lined hanging lockers and storage cabinets. The fifth stateroom is the captain's quarters in the crew area, featuring a queen-size berth with storage underneath, a desk with storage, and a full-height hanging closet. The crew quarters also include a crew lounge with a 40-inch television and satellite receiver. All staterooms are fully air-conditioned with individual heads or access to dedicated facilities, making the vessel capable of accommodating owners, guests, and a full crew simultaneously.
What makes the galley on this Ocean Alexander 100 exceptional for onboard meal preparation?
The galley is designed as a professional-grade cooking space with a "true chef's galley" layout featuring a 30-inch Thermador electric cooktop, 30-inch Thermador electric oven, 30-inch Viking over-the-range microwave with exhaust blower, and a Thermador dishwasher. Food storage is extensive with a Sub-Zero refrigerator and freezer unit, a Sub-Zero ice maker, and a Sub-Zero wine cooler. The galley sink is an Elkay professional series unit with a pull-out tap, and a Whirlpool garbage disposal and 15-inch trash compactor manage waste. Stone countertops and flooring provide durability and easy cleaning, while wood cabinetry with positive-latch doors and proprietary drop-lock drawers prevents stored items from shifting during vessel motion. Overhead dish lockers positioned forward and starboard maximize storage efficiency. A Seagull water purifier with ADEX design award certification provides filtered water to 0.1 microns with EPA certification for microbiological purification. The galley layout supports meal preparation for large groups and extended cruising.
What water production and waste management systems support extended cruising aboard this vessel?
The Ocean Alexander 100 includes dual 400-gallon-per-day water makers for a combined production capacity of 800 gallons per day, ensuring abundant fresh water during extended cruising without reliance on shore-based supplies. Water quality is managed through a Spot Zero water purification system and a Seagull water purifier with filtration to 0.1 microns. Waste management is handled by dual Ecomar waste treatment systems, each rated for 600 gallons per day, providing a combined capacity of 1,200 gallons daily. The Spot Zero waste treatment system (Ecomar) is an advanced holding tank system that processes waste efficiently. Fuel polishing is performed by a Gulf Coast system based on military-grade tank design, maintaining fuel quality throughout the 4,000-gallon fuel capacity. The vessel also features an ElectroSea clear-line system for through-hull protection, preventing biofouling and marine growth in seawater systems.
What are the key features of the flybridge and exterior entertaining spaces?
The flybridge includes a white non-skid deck surface, electric Stidd helm seats for the operator and crew, and a manual awning with custom stainless steel poles and Ferrari mesh fabric for sun protection. A 32-inch electric barbecue custom-made for Ocean Alexander using 316 stainless steel provides outdoor cooking capability. The boat deck features a seat with storage underneath and a stone table for casual dining. A fiberglass stairway with teak steps provides access from the cockpit. The aft deck features a teak swim platform with teak steps, a teak deck for the walkway, and a foldable teak and stainless steel swim ladder. The aft deck also includes a manual awning with storage for poles, a 40-inch flip-down television with satellite receiver and Bluetooth streaming capability, and exterior speakers for entertainment. High-output LED underwater lights (eight total) illuminate the underwater hull at night. Side boarding gates in the cockpit and a recessed boarding ladder on the starboard gunnel with Ocean Alexander logo teak steps provide safe guest access. The exterior protection includes custom canvas and windshield mesh covers.
How does the electrical and monitoring system provide remote control and diagnostics aboard this Ocean Alexander 100?
The vessel is equipped with an Octoplex NMEA 2000 electrical monitoring and control system based on aerospace technology, offering remote activation, control, and status reporting of both AC and DC breakers. The system monitors all power sources for voltage, frequency, and amperage abnormalities and provides visual and audio alerts. A touch-screen monitor allows user-reconfigurable control with enhanced circuit breaker functionality including no-load indication, dimming information, and usage data. Brown-out control with auto load shedding ensures that essential systems like navigation and critical equipment remain powered while other systems automatically switch off during low-voltage conditions. The N2KView monitoring platform extends this capability to Apple iPad and Android devices, providing wireless access to monitor main engines and generators, AC and DC electrical systems, house battery status, engine room bulkhead doors, tank levels, fire systems, bilge levels, and exterior door sensors. The vessel includes an Atlas 50/60 Hz power converter for automatic marina connection regardless of whether the shore power is 60 Hz (USA) or 50 Hz (European) standard. A 100-amp charger manages battery charging, while AGM batteries with low self-discharge rates (1 to 3 percent) and operating temperatures from 40°F to 140°F support all DC systems.
What crew accommodations and amenities are provided in the crew quarters of this Ocean Alexander 100?
The crew quarters represent the largest in its class and function as both a working and living space. The captain's stateroom includes a queen-size berth with storage underneath, a desk with storage and N2KView-linked Apple iPad for systems diagnostics and alerts, a full-height cedar-lined hanging closet with automatic lighting, and a private head and shower. The crew lounge serves as a day-use and rest area and includes a 40-inch television with satellite receiver, comfortable seating, and a kitchenette equipped with a sink, microwave, cooktop, and refrigerator with ice maker. Additional crew amenities include a dedicated stainless steel workbench and Snap-on tool chest for maintenance tasks, a wet locker with ventilation and separate water drain for storing dive or water sports gear, and multiple storage compartments and drawers. The crew quarters design allows this space to double as a cabana for swimming and water sports activities without requiring crew or guests to access the main salon or interior spaces, enhancing privacy and operational efficiency during extended cruising.

Fly Yachts is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Allied Marine - Stuart. 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.

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