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1979 Ocean Alexander Mark I 50 Pilothouse

Seattle, Washington


Miss Miranda II is just the Ocean Alexander Mark I that you have been looking for. This well kept pilothouse has been lovingly maintained by a knowledgeable owner. It is not often you can find 3 staterooms and 2 heads in such great shape with a proven hull. Powered by ultra reliable and long lasting Caterpillar 3208 naturals, she has decades of service left in her. Complete with hydronic diesel heat, bow thruster, washer/dryer, and much more, you are sure to be impressed, The is the perfect live-aboard or cruising yacht and simply put your gear on board and go. Contact the listing agent to set up an appointment to see Miss Miranda II. 

Basic Boat Info

Price: $225,000
Boat Name: Miss Miranda II
Make: Ocean Alexander
Model: Mark I 50 Pilothouse
Year: 1979
Condition: Used
Category: Power
Construction: Fiberglass


Length: 50 ft
Length Overall: 50 ft
Beam: 15'6 ft
Max Draft: 4'6 ft
Dry Weight: 55,000 lb
Electrical Circuit: 240 V
Single Berths: 4
Double Berths: 1
Cabins Count: 3

Engines / Speed

Engines: 2
Engine #1 Specs:
  • Make: Caterpillar
  • Model: 3208NA
  • Drive Type: Direct
  • Fuel: Diesel
  • Engine Power: 210hp
  • Type: Inboard
  • Propeller Type: 3 Blade, Alloy
  • Year: 1979
  • Engine Hours: 4800
  • Engine Location: Port
Engine #2 Specs:
  • Make: Caterpillar
  • Model: 3208NA
  • Drive Type: Direct
  • Fuel: Diesel
  • Engine Power: 210hp
  • Type: Inboard
  • Propeller Type: 3 Blade, Alloy
  • Year: 1979
  • Engine Hours: 4800
  • Engine Location: Port
Total Engine Power: 420hp
Cruising Speed: 8.8 kn
Maximum Speed: 11 kn


Fuel Tanks: 1
Fuel Tank Capacity: 1,140.9 gal
Fuel Tank Material: Aluminum
Water Tanks: 1
Water Tank Capacity: 402.3 gal
Holding Tank Count: 1
Holding Tank Capacity: 42.0 gal


Heads Count: 2
Total Liferaft Capacity: 6
Drive Type: Direct
Windlass Type: Electric
Boat Class: Pilothouse, Motor Yachts, Trawlers


Matt Maynard
Irwin Yacht Sales


Irwin Yacht Sales - Seattle Office
1001 Fairview Ave North Suite 1200
Seattle, Washington, US, 98109


Miss Miranda II is a great family boat. With room for everyone, kids, grandkids and friends can all come along on the adventure.


  • U Shaped Settee to Starboard
  • Fold Out Hi-Lo Teak Table
  • Salon Pillows
  • Updated Salon Carpeting
  • Salon Wet Bar with Sink
  • Salon Ice Maker
  • Storage Under Settee
  • Updated Salon Cushions
  • Dual Salon Chairs
  • Salon Entertainment Center
  • Door to Cockpit
  • Screen for Door
  • Wine Storage
  • New SoftCell Blinds in Salon

Master Stateroom:

  • Master Stateroom Entrance from Salon
  • Queen Size Berth
  • Dual Overhead Reading Lights
  • Master Desk & Vanity
  • Dual Hanging Lockers
  • Nightstand 
  • Storage Lockers
  • Access to Master Head

Master Head:

  • Private Master Head
  • Updated Tecma Head
  • Updated Marble Sink
  • Updated Faucet
  • Vanity
  • Tub/Shower combination
  • Portlight

VIP Stateroom:

  • VIP Forward
  • Over / Under Bunks
  • Private Door
  • Accessed form Foyer
  • Access to Day / Guest Head
  • Portlight
  • Hatch
  • Mirror

Guest Stateroom:

  • Private Door Aceess from Foyer
  • Stateroom to Starboard
  • Over Under Bunks
  • Hanging Locker
  • Reading Lights
  • Access to Day / Guest Head

Day / Guest Head:

  • TEcma Head
  • Vanity
  • Storage
  • Shower Forward
  • Hatch


  • Accessed from Salon or Side Decks
  • Helm Chair
  • U shaped Settee
  • Settee Teak Table
  • Custom Storage Locker
  • Storage Under Settee
  • Port and Starboard Pilothouse Doors


  • Accessed from Pilothouse or Cockpit
  • Port Bench Seat
  • Helm Chair
  • Starboard Bench Seat
  • Covers for Seating

Whether you are cooking for 2 or 10 there is enough room to make a snack or Thanksgiving dinner!!

  • Teak Parquet Floors
  • Updated AC/DC Vertigo Refrigerator
  • Princess Propane 3 burner Stove & Oven
  • Updated Counter Tops
  • Updated Sink
  • Updated Faucet
  • Filtered Water System
  • Kenmore Stainless Steel Microwave
  • Overhead Storage
  • Loads of Cabinet Space
  • Fiddles on Counter Tops

Lower Helm:

  • Laptop Running Nobletec Chartplotting System
  • Furuno 48 Mile Radar
  • Icon M-602 VHF with Hailer/Fog Horn
  • Bow Thruster Control
  • Stabilizer Control
  • Class B AIS
  • Robertson AP35 Autopilot
  • Datamarine Speed Log
  • Datamarine Depth Finder
  • Interphase Forward Looking Iscan Color Sonar
  • Furuno GPS Navigator
  • Wireless Windlass Control
  • Compass
  • Drop Down TV w/DVD Player
  • Barometer
  • Spotlight Control
  • Epirb
  • Digital Tachometers
  • Wind Gauge
  • Rudder Angle Indicator


  • Compass
  • VHF Radio
  • Ipad Holder

 Audio / Visual:

  • Flat Panel TV in Salon
  • AM/FM CD Player
  • DVD Player
  • Overhead Speakers
  • Hand Held VHF
  • Onan 12 kW Generator 
  • Magnum 2812 - 2800 watt inverter/ charger with remote panel
  • Optional BMK monitoring system - Monitors battery usage, state of charge and more
  • Magnum 2000 - wired as an additional 100 amp charger for high speed charging while at anchor
  • 10 Life Line AGM Batteries for House Bank - New in 2016
  • AC/DC Distribution Panel
  • 50 Amp Shore Power Input
  • Updated Smart Plug for 50 Amp Inlet
  • Updated Smart Plug End Plug for Cord
  • Leece-Neville 100A Alternator to Port, 2013.
  • Starboard Alternator is a Balmar 100A, 2013
  • Sterling Electronics Alternator Combiner to Battery Charger - This converts the output of the alternators to 3 stage charging for the house batteries while underway which additionally changes engine battery bank
  • Dedicated Bow Thruster Charger
Deck And Hull Systems
  • Naiad Active Fin Stablizers
  • Espar 5 Zone Hydronic Diesel Furnace - Rebuilt in 2015
  • Isotemp Water Heater - 11 Gallon - Electric or Heated Through Diesel Furnace
  • Maxwell 3500 Windlass with Wireless Remote
  • Fuel Transfer System
  • Dual Racor 900 Fuel Filtration system
  • Most Exterior Lighting Upgraded to LED
  • 6 Man Life Raft - Need Recertification 
  • Magma BBQ with dedicated propane tank at cockpit

  • Lifesling Man Overboard System

  • Sailtrack Fender System

  • Updated Foredeck Hatches

  • Brower 1500 Lb Davit
  • 13.5' Caribe Tender with 50 HP Honda Four Stroke Engine and GPS System
  • 75 lb CQR Plow Anchor with 300' of 3/8" BBB chain
  • Spare Danforth Anchor
  • Saltwater Wash Down
  • Freshwater Wash Down Spigots
  • Aluminum Fixed Bimini Top
  • Splendide Combo Washer/Dryer in Cockpit Cabinet
  • Tank Tender for Fuel and Water Levels
  • Holding Tank Indicator
  • Fuel Polishing System
  • Fuel Transfer System
Disclaimer & Exclusions

Any and all personal property is excluded from the sale of the vessel unless specifically listed and included in the listing specifications reference above. Personal property may be all equipment or gear that is not permanently attached to the vessel including but not limited to: artwork, entertainment equipment, fishing equipment, Direct TV Receivers, recreational equipment, tools, and personal appliances. Pictures may depict owners personal property and are not meant to convey these items are included in the sale of the vessel unless specifically listed herein.


Irwin Yacht Sales 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.


Additional Contact Information

For more information or to schedule an appointment to see this fantastic Ocean Alexander Mark I pilothouse, please contact the Listing Broker:

Matt Maynard

Cell: 206-914-9271


Irwin Yacht Sales - Seattle / Portland

1001 Fairview Avenue North, Suite 1200

Seattle, WA 98109

Disclaimer This calculator is intended solely for general informational purposes, and to provide a rough estimate based on the information you provide. You should not base your decision on this estimate alone.