90' Ocean Alexander 2018



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Ron Housman



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90' Ocean Alexander 2018 OFF THE GRID


OFF THE GRID represents a-nearly new example of Ocean Alexander's well designed, built and optioned 90 motoryacht. Powered by Caterpillar engines (only 275 hours) and 55kW Kohler generators, all with fully transferable warranties. At rest stabilization, large watermaker, bow and stern thrusters, and four large ensuite staterooms are just a few of the many highlights of this exceptionally clean yacht. Custom built by a knowledgeable, repeat Ocean Alexander owner. OFF THE GRID is a must see for any motoryacht buyer in this range.



Ocean Alexander


OA 90

Cruise Speed:

16 KTS

Max Speed:

20 KTS

Range NMI:



22' 5"

Engine Details:

Caterpillar C32 ACERT

Engine 1:

275.00 HRS 1600.00 HP

Engine 2:

275.00 HRS 1600.00 HP

Engine Fuel:

Inboard Diesel

Fuel Capacity:

3000 GAL

Water Capacity:

650 GAL



OFF THE GRID offers a full-beam master cabin featuring his and her ensuite heads, two guest cabins with en-suite heads on the accommodations deck port and starboard midships, plus an additional VIP stateroom forward. The yacht features huge windows and high ceilings giving a bright and open feel throughout. The salon features seating to port and a TV to starboard. Forward of the salon is a custom built walkaround bar in place of the formal dining area incorporating the use of the salon and bar area to an upscale casual area. Moving forward beyond the bar is a spacious galley with granite countertops and top of the line appliances. A passageway opens up to a large settee and table to port that is perfect for the casual meal or just relaxing with a view and desk to starboard. Moving up the staircase to starboard is the skylounge featuring a day head, an additional refrigerator and extra storage. The pilothouse features an Evan K. Marshall designed helm station and comfortable Stidd chairs, a large settee, and a custom high-gloss table. The condition of the interior is like new featuring a flat panel walnut wood with satin finish.

Main Salon

60” TV with Blu-Ray A/V System

Walnut wood cabinetry in diamond wood grain pattern 

Granite countertops at the wet bar, TV cabinet

Phantom screen (for insects + pollen protection) with a dedicated wood box for door

Enlarged windows in salon with custom engineered solution incorporation marine grade aluminum beams allowing for industry-leading window expanse. 

Sub Zero™ wine cooler

Jenn-Air™ refrigerator/freezer/ice maker combo drawers

Walnut floors on the salon bar area extending to the galley

50" TV in the mirror above the bar

Ocean Alexander incorporated its a/c outlets throughout the ceiling to provide unobstructed views and reduce noise.

Galley and Laundry Equipment

Galley Equipment

Walnut wood cabinetry with drop-lock drawers and positive-latch doors

Galley storage cabinetry w/hidden hinges

Granite countertops

Walnut wood flooring

Elkay™ professional series kitchen sink w/ pull out tap

Overhead dish locker fwd & aft

30” Jenn-Air™ electric cooktop 

30” Jenn-Air™ electric oven

30” Subzero™ Refrigerator/ freezer

Whirlpool™ garbage disposal

30" Jenn-Air™ Over-the-Range Microwave with exhaust fan

30” Jenn-Air™ dishwasher

15” Whirlpool™ trash compactor

Seagull™ water purifier 

Laundry Equipment

Located to starboard in the owner's companionway

Dedicated laundry room for service of the owner and guest area

Easy and efficient for the crew

Custom design laundry room with washer, dryer, and sink/faucet

Storage compartment for cleaning agents folded towels and pull out shelves

Clothes hook and countertop

Master Stateroom

LED 50” TV with A/V System and subwoofer

King-sized berth (with independently coiled his & her sections for maximum comfort)

Two nightstands with granite countertops

Granite countertop at TV cabinet and port/starboard cabinets 

Built-in vanity on starboard side and built-in bank of drawers to port

Hidden safe in hanging locker

Walk-in closet on port side with backlit LED lights

Additional hanging closet space on STBD side forward 

Enlarged windows for full effect and light 

Custom headboard with recessed indirect lighting

Enlarged Master bathroom window with updated cabinetry to take advantage of additional window visibility

Guest Staterooms

LED 32” TV & DVD with Satellite Receiver on port wall beside door (VIP)

LED 32” TV & DVD with Satellite Receiver on wall (Port Guest)

Audio stereo and video system

Queen-sized berth

Walnut wood paneling and cabinetry in diamond wood grain pattern 

Drawers under berth

Cedar-lined hanging locker with automatic lighting

Two “floating” nightstands with granite or marble tops in port guest

Main Deck Forward

LED 46” TV with A/V System

Cabinet including wet bar, Sub Zero™ wine cooler w/solid panel door and storage (skylounge)

Wood valance board

Beautiful high gloss wood table

Raised settee 

Day head to port with sink

Chart locker 

Pantograph doors in Pilothouse

Custom Evan Marshall designed dash and console

Stidd mechanical helm seats 

Windshield defrosters


Wood dinette table

Dedicated freezer forward of dinette

Phantom screens (for insects + pollen protection) with dedicated wood box both port and starboard doors

Weather-tight doors to side deck

Crew Quarters

Cedar-lined hanging locker with automatic lighting

Kitchenette (sink, microwave and refrigerator/ icemaker)

Drawers under bunk and additional storage

LED 32” TV & DVD with Satellite Receiver

Snap-on tool chest under workbench/Pullman berth

Two crew staterooms: Captain and Mate/Multifunction staterooms

Captain quarters includes desk with storage and N2KView linked Apple iPad for systems diagnostics/alerts/settings. Full height hanging closet and queen size berth with storage under

Multifunction quarters include a Pullman that when folded against bulkhead, reveal a stainless workbench with vice and Snap-on tool chest. Multifunction staterooms can convert easily to a working space. Also includes a wet locker (with ventilation and separate water drain) and storage compartment. Both staterooms fully air-conditioned 

Lazarette storage both port and starboard


Walnut wood cabinetry in diamond wood grain pattern

Granite countertops with china sink

Seamless fiberglass stall shower w/ one-piece glass door

Shower door with Granite/marble frame. Shower door is “crystal clear” glass custom made for Ocean Alexander. Providing superior transparency and reflectiveness. Together with custom-made for Ocean Alexander “minimalist and transparent water strips” provides a unique Ocean Alexander proprietary “Crystal Shower”  

Cabinet with mirror door above sink

Air extraction in each head with low noise extraction fans 

Planus™ toilet system throughout

Granite countertops and backsplash in heads with bone china sink

Crew quarters w/ private head, shower and storage 

Interior Highlights

Walnut wood cabinetry in diamond wood grain pattern with satin finish

Interior ceiling panels removable and finished with Diamond faceted edging. Provides a sharper and structured tailored look

Evan Marshall designed interior helm station with matching wood/Ultraleather and “floating” display pods Ergonomically designed and laid out to enhance pilot experience/performance

Custom designed and water jet cut granite with stainless steel insert in lower foyer and master bathrooms

Ocean Alexander Fresh Air system: with filtered fresh air drawn from outside and vented to lower staterooms for constant fresh, clean air. Makes for a clean and healthy environment.

Air extraction in each head with low noise extraction fans, switched separately from lights

Opening (in glass port light) for MSR Bath

High-quality European door hardware and locks

Concealed hinges throughout interior cabinets

Ergonomically designed mattresses and settees

Washer/ dryer (Commercial quality, Energy Star washer/dryer) in lower foyer laundry center

Refrigerator/ice maker in lower foyer

Concealed Chest Freezer in front of dinette with additional storage

Dedicated oversized drawer for golf club/ sports rackets/bulky items storage under fwd stateroom berth

Exterior Highlights

Hardtop with dedicated custom S/S ladder to navigational electronics 

2” Elliptical 316L Stainless steel handrails & stanchions, main deck 1-1/2” on FB

316 Stainless-steel cleats

Fiberglass stairs to FB from cockpit with teak steps

Electric stainless-steel sliding doors for salon

Two S/S flag poles, fore and aft

Teak and stainless swim ladder, foldable

Weather-tight door on transom for access to engine room/ crew quarters 

White non-skid flybridge decks

32” Electri-Chef™ electric barbecue custom-made 

Flybridge seat w/storage underneath and high gloss table

Teak deck for aft deck and walkway to midship

Teak swim platform w/ teak steps

High bulwark w/ flush-mounted deck lights

Side boarding gates in cockpit

Recessed boarding ladder on starboard gunnel

Sunpad at bow

Custom exterior canvas and windshield mesh covers

Flybridge deck outboard storage 

Exterior ceiling panels removable and finished with Diamond faceted edging. Provides a sharper and structured tailored look. Also allows for easy service of navigational electronics and plumbing runs 

Anchor chute cover for added safety while anchor is not in use and increases usable surface area 

Custom designed fender storage at bow/chain locker and lazarette

Superstructure, Hull, and Construction

Vinylester resin with high-density structural foam

Longitudinal and lateral fiberglass stringers filled with high-density foam

Ocean Alexander employs various techniques to reduce sound and vibration. Focusing on providing a quiet and comfortable yachting environment through various proprietary techniques of controlling sound and noise transmission. Some of these techniques include multiple insulation barriers including reflective materials, absorptive materials, dampening materials, air pockets and flexible and isolation mounts. Ultimately resulting in vibration/sounds levels that are industry leading and at times 1/2 to 1/10 of ISO-6954 requirements (Unique OA feature)

Fiberglass with infusion lamination manufacturing technology

Reinforced collision bulkhead

Frameless window

Weather-tight bulkheads with further sound and temperature insulation

Painted Exterior Surface with professional grade Alexseal polyurethane paint and epoxy-based primers; highest gloss and color retention

Weather-tight bulkheads with further sound and temperature insulation

Marine grade aluminum beams for floors, walls and ceiling. Provides greater rigidity and monolithic structure. Reduces movements and “abrasive” sounds while underway. Also allows for one of the largest uninterrupted glass/window spans in the industry.

Use of cross-knit directional carbon fiber in high-stress area for added structural integrity and torsional strength

Interior structural components all bonded to hull

Mechanical Equipment

Main Engines

Cat C32 1600 HP engines with remaining ESC Platinum Plus extended warranty

Engine alarm system, for low oil pressure and high water temperature

Lube oil change system for engines/generators with approximately 45-gallon lube tank. Allows for oil change during cruise w/o need to stop & locate oil change service centers.

Automated computerized Delta-T® intake/exhaust fans with variable frequency drives mounted to facilitate the pushing and/or pulling of air through the machinery spaces and providing a high rate of air exchange. Ducts have fire dampers installed with manual/ automatic triggering tied into the machinery shut down circuits. Ducts in way of interior living space are insulated and soundproofed.

Adjustable/Reversible Delta-T® fans for engine exhaust located on superstructure instead of hull side. Maximizes water protection and salt spray, resulting in safer and lower maintenance ownership 

Stainless steel rails on side of engine and stainless-steel engine mounting plates Stabilizer with power take-off from both engines to provide redundancy 

Two control stations: FB & PH, with complete engine instrumentation with lighted, modern switches.


Kohler® 55kW gensets includes the remainder of the 5-year/2,000-hour warranty (2x)

Generator exhausts water-drop type, Marine Exhaust which reduces noise & vibration

Generators are set on resilient mounts and installed with sound shields & vibration dampeners


Hydraulic steering system

Steering control station with complete instrumentation

S/S Rudders w/integrated zinc plates

Dripless Seals for rudder posts

Steering wheel Ultraleather wrapped, exterior stainless steering wheel on FB

Maintenance free “dripless” seals for engine shaft packing glands

Propeller shaft Aqua 22HS. 22HS is a high-grade austenitic alloy stainless steel that provides superior corrosion resistance (comparable to Aqua 22) along with excellent toughness and high strength (comparable with OTHER: Aqua 17). A no compromised approach adopted by the navies around the world


Hydraulic windlass, VWCLP4000

Stainless steel plow type anchors 350 lbs. w/ 300ft anchor chain (1/2" HT) & chain stoppers

Integral roller and chain stopper with Maxwell® anchor winch

Two Maxwell® VC2500 vertical electric rope winches for Aft Deck

Reinforced anchor platform and anchoring system

Chain counter

Hands-free anchor chain wash system – allows for cleaning of chain during anchor operation


Side power Vector Fin hydraulic stabilizer fins with zero speed stabilization function 

40hp Hydraulic bow and stern thrusters with proportional control

Air Conditioning

Dometic® chilled water system air conditioning system, rated for “Extreme Tropical Climates” (with reverse cycle for operation down to 40°F water temp)

Dedicated engine room air conditioning

Where possible A/C exits from custom made ceiling panels hidden from view. Shortens A/C ducting thus improving efficiency and speed of cooling by over 20%. Also reduces dB reading by over 7 dB's 

Additional Mechanical Equipment

Color-coded piping system for easy identification

Hydraulic 1750 lbs. yacht crane

Fire extinguisher system with engine-shutdown feature

Sea Recovery 1400G/Day water maker w/auto fresh water flush operation, PH Neutralizer, UV sterilizer and Commercial Pre-filter

Kahlenberg™ heavy-duty horn

All engine room and bilge spaces are primed and top coated with polyurethane paint system.

Ocean Alexander proprietary “dry bilge ventilation system” with dedicated bilge exhaust to outside. This provides constant airflow to keep the bilges dry and mildew free. Any moisture from condensation is evacuated outside the yacht to keep a clean and healthy cruising environment.


Freshwater System

2mm thickness 316 S/S water tank w/ sight gauge

Headhunter™ pressure fresh-water system

Fresh-water outlet with hose for engines & generator

Cold fresh-water wash down at bow, stern and boat deck

Dockside water connection

Two 40-gallon water heaters with high-density fiberglass insulation w/ dual high-efficiency heating element that speeds heating by 50%

Fuel System

4.5mm thickness 5052 Aluminum fuel tanks with sight gauges and tested to International Standards 33CFR 510(a) w/ high and low fuel level alarm system

Dual Racor® fuel/water separator with Y-valves for engine & generator

Gulfcoast™ Fuel polishing system based on US Military Abrahams-M1 Tank design 

Sight gauges for all tanks

Filler for fuel tanks on both sides with individual tank vents

Fuel system with venting and “catchment system” designed for burps or overflow accidents 

Blackwater Treatment Center

ECOmar™ waste treatment system (600Gal/day)

Bilge System

Oversized drains to overboard

High water bilge alarm at every Rule® bilge pump station

Dry bilge area arrangement in center engine room

Automatic bilge pump - The vessel is outfitted with automatic bilge pump with manual and automatic switches in each space as divided by weather-tight bulkheads. High water alarms are mounted in each of these bilge zones

Electrical System


Based on aerospace technology for remote activation, control and status reporting of all AC and DC breakers. Monitors all power sources (AC and DC) for voltage, frequency and amperage abnormalities and provide visual and audio alerts. Includes enhanced circuit breaker functionality with no-load indication, dimming and usage information with touchscreen monitors that are user reconfigurable. Brown-out configurable control through auto load shedding is included where operator designated equipment (e.g. navigation and other essential systems) remains powered-on while automatically switching other systems off. Octoplex NMEA 2000 Vessel system monitor system. Provides main access doors, tank level, bilge level and battery monitoring of current, voltage and temp. 

Shore power receptacle with Iso-Boost 2 x 100 AMP in transom w/cable master which cleans & boosts questionable shore power to better protect sensitive equipment onboard

80AMP Charger

Battery paralleling system w/ control switch

Bonding system throughout

The vessel's bonding and grounding systems shall include copper straps secured to the hull and running the full length of the vessel parallel to centerline. Engines, generators, metallic through hulls, strainers, and pump bodies shall be connected to the bonding strap.

Navigation Equipment

Garmin 8500 Series Black Box with 19” touch screen (Two screens lower station, Two screens upper station)

Garmin GRID remote input device installed on helm chair

Garmin 12KW Open Array Radar

Garmin Autopilot GHC20

Garmin VHF and Card Reader

Garmin Blackbox sounder

Garmin AIS with NMEA GPS

Garmin MI 20 Digital Marine Multi-display

Garmin Marine Camera (2 in engine room and 1 aft deck)

Triband HD7 with DIRECTTV® receivers

Ritchie Compass 5"

Pad with built-in Garmin App for navigational control/viewing via iPad

Onboard intranet, driven by commercial-grade 4G SIM card capable Wi-Fi router. Allows outside 4G Internet

Safety and Security Equipment

These security/safety automatic monitoring and alert abilities include using Apple iPad or Android for wireless access to operating, view, and alarm Octoplex data and navigation system with a fully customizable screen layout, and remote notification (cell phone) capability.

These monitoring abilities include: Main Engines and Generators, AC Monitoring, DC House Bank Battery Monitoring, Engine Room Weather-tight Bulkhead Doors, Tank Levels, Fire System, Bilge Level (High-water), Exterior Door Sensors

Vimar™ switches and outlets

Smart Y-adaptor


16” Highfield DL 500 tender with hydraulic steering and a 90 HP Honda

Broker Comments

OFF THE GRID represents a-nearly new example of Ocean Alexander's well designed, built and optioned 90 motoryacht. Powered by Caterpillar engines (only 275 hours) with Platinum Extended Cat warranties and 55kW Kohler generators, all with fully transferable warranties. At rest stabilization, large watermaker, bow and stern thrusters, and four large ensuite staterooms are just a few of the many highlights of this exceptionally clean yacht. Custom built by a knowledgeable, repeat Ocean Alexander owner. OFF THE GRID is a must see for any motoryacht buyer in this range.


All personal property is excluded unless specifically identified and included in the sale agreement and listing specifications. Personal property refers to all items not permanently attached to the vessel including but not limited to: artwork, furnishings, and recreational or entertainment items. Advertisements, marketing materials, and/or other photography may depict the vessel with personal property, however, such personal property is excluded unless otherwise specifically included as provided herein.

The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice. This listing is a courtesy of a member of the International Yacht Brokers Association and may be centrally listed with another broker. It is offered as a convenience by this broker/dealer to its clients and is not intended to convey representation of a particular vessel.

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