1946 Custom J.M. Martinac Classic Fantail Motor Yacht
$199,000
Boat in Wilmington, CA 90744 US
J.M. Martinac Classic Fantail Motor Yacht
2 Engines (2x Caterpillar)
79 feet
Diesel
Wooden
Introducing the exquisite 1946 J.M. Martinac Shipbuilders Classic Fantail Motor Yacht, "Miriam," a stunning example of antique craftsmanship. With an overall length of 79 feet, this elegant vessel features a beautiful wooden hull designed in a displacement shape, ensuring a smooth and stable ride. Powered by two robust Caterpillar D-334 inboard engines (port engine rebuilt in 2026), each delivering 240 hp, "Miriam" offers impressive performance with a cruising speed of 10 knots and a maximum hull speed of 12 knots. With a remarkable range of 1,500 miles, this yacht is perfect for extended voyages. Accommodating three cabins and three heads, "Miriam" provides ample space for relaxation and comfort. The yacht is equipped with an electric windlass, enhancing convenience during anchoring. Experience the charm and sophistication of this classic motor yacht, where timeless design meets modern functionality.
- Planking: Carvel Planked Fir, Clear Douglas Fir
- Mechanically Fastened to Oak Frames & Longitudinals
- Frames: 2'' x 4'' Oak, Steam Bent
- Superstructure: Marine Grade Plywood
- Galvanized Steel Boat Nails, Silicon Bronze
- Twin Caterpillar D-334 Diesel Engines (7000) Hours
- Port Engine was just rebuilt. 2026
- 240 Horsepower Each
- In-Line 6 Cylinders, Four Stroke
- Dry Exhaust, Exits Through Pipes Within Smokestack
- Dual Racor 1000 Fuel Filters/Separators
- Twin Disc MG-509 Transmissions 2.9:1
- 3'' Stainless Steel Shafts
- Steel Oil Filled Rudders
- Dual Arm Struts
- Bronze Thru Hull Ball Valves
- Bronze 4-Blade 34 x 30 Propellers
- Full Size 22 Cubic Ft. Refrigerator/Freezer-2018
- 4-Burner Electric Stove w/ Oven-2018
- Microwave-2018
- Range Hood with Power Vent & Light
- Dishwasher-2004
- Single Stainless Steel Sink w/ Garbage Disposal
- 2-Fuel Tanks, Total 2000 Gallons-Black Iron
- 1-Fresh Water Tank 1000 Gallons (Epoxy Coated in 2012)
- Holding Tank for Black Water-150 Gallons
- Holding Tank for Grey Water
- 30 Gallon Electric Hot Water Heater (New 2008)
- 48 nm Racal Decca Radar-(Not Working)
- VHF Modar Triton 55/75
- VHF Icom M504 (New 2012)
- Sperry 8T Auto-Pilot-(Not Working)
- Rudder Angle Indicator
- Cybernet CTX-1000 Loud Hailer
- Datamarine 2700 LCD Depth
- Datamarine 2200 Speed
- Kevin Wilfred White Compass
- Danforth Compass
- Lowrance Sea Water Temp
- Furuno Konel Graph Fathometer
- Kato 20 Kw. Generator 1290 hours
- Onan 15 Kw. Generator (Not Working)
- 3-Motor Generator Inverters
- Electromechanical Rectifier Charger
- Pro-Nautic 50 Amp. Charger
- 50 Amp. 125/250 VAC Shore Power Inlet
- LaMarche Constvolt 240 VAC-130VDC
- AC Hertz Meter
- (3) 8-D wet Batteries-(2018),1-Starboard,1-Generator,1-Port (2025),
- (1) 8-D 12volt for Electronics-2023
- (19) 6-VDC L16G wet Batteries 2018 (10-new in 2023)
- AC & DC Volt Meters
- Chain Locker in the Forepeak-480ft. on Port & 125ft. on Port
- Followed by a Storage Locker (was Crew Head & Bunks)
- Next Aft is Stateroom w/ 2-Single Berths, w/ Enclosed Head
- Going up Steps to Starboard is Saloon
- Forward of Saloon is the Pilot House
- Aft of Saloon is the Galley
- Aft of Galley is the Dining Area
- Aft Steps in Saloon lead to Stateroom to Port w/ Bunks
- To Starboard is Another Enclosed Head w/ Shower
- Aft of these two areas is the Master Stateroom w/ Head
- Outside Aft of the Dining Area is the Fantail Deck!
- Upper Deck has Flybridge, Boat Deck w/ (2) Boston Whalers
- 13 ft. Boston Whaler w/ 2005 40 h.p. Evinrude E-Tec (Lo-Hrs)
- 15 ft. Boston Whaler w 55 h.p. Johnson (needs service)
- (4) Steel Dinghy Davits w/ Winches
- (2) Sets of Aluminum Chalks
- DC Electric Dual Cat Head Horizontal Windlass
- (2) 300 lbs. Navy Anchors w/ Chain
- (2) Hand Search Lights, (1) DC Remote Search Light
- Dual Trumpet Air Horns, Foghorn, Air Whistle
- 1940's Police Siren
- 8'' Chrome Bell
- Bronze Anchor Roller
- (2) Anchor Haws Pipes
- (2) Bulwark Gates
- Bronze Stanchions w/ Honduras Mahogany Rails
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.
- Flybridge Bridge Helm Chair
- Roll Top Desk
- 2-Red High Back Wing Chairs
- Pictures, Artwork, Books, Ship's Logs, Magazines, Albums
- All Clocks & Barometer Adjacent Saloon Mirror
- Fishing Gaff, Fishing Rods & Reels, Fishing Equipment, Rod Holders
- All Lamp's
- Bedding & Towels & Needle Point Pillows
- Mat in Pilot House-Holiday
- Needle Point Trash Can in Saloon
- Holiday Hanging Lamp in Dining Area
- Day Head Brass Towel Rack
- Time Period am/fm Radios
- TV-VHS-DVD Player
- Pilot House Flags & Signal Flags & Any American Flags
- Port & Starboard Throwable Flagged Life Rings
- Paper Charts
- WWII Sextant
- WWII Flare Gun
- Brass Thermometer in Saloon
- Wooden Nightstand in Guest Stateroom
- Mahogany End Table in Saloon
- Ship's Bell on Fantail
- Tools & Stored Plumbing Fittings
- Oil Lamps
- 2- Black Fans
- Wicker Rack in Master Head
- All Live Plants
- Towing Line in Top Deck Box & 4 Small Diameter Lines
- Flybridge Boxes & Misc. Electrical Fittings
- 2-Pulley Blocks-Ranger-Saloon
- All Tools & Tool Boxes
- Flybridge Fishing Chair
- All Silverware, Pots & Pans
- Portable BBQ Grill
- 10 Life Jackets-Orange
- Ranger Glass Dish & Teak Box Holder
- Horton Water Pitcher-Saloon-1937
- Air-Filter-Master Cabin
- Fruit Bowl-Red
- Shoe Rack in Master Closet
Price History
| Date | Event | Price |
|---|---|---|
| 3/31/26 | Initial price | $199,000 |
Overview from around the web 1946 Custom J.M. Martinac Classic Fantail Motor Yacht
Customers praise the 1946 Custom J
M. Martinac Classic Fantail Motor Yacht for its timeless design and exceptional craftsmanship. Many appreciate the boat’s classic lines and authentic vintage charm, which beautifully capture the spirit of mid-20th-century yacht building. Owners often highlight the sturdy construction and attention to detail that make this vessel both reliable and elegant on the water. Enthusiasts also value the spacious and well-appointed interior, perfect for comfortable cruising and entertaining. Overall, the yacht is celebrated for blending classic aesthetics with enduring performance, making it a cherished choice for collectors and boating aficionados alike.
The Biggest Pros and Cons
The 1946 Custom J.M. Martinac Classic Fantail Motor Yacht offers a unique blend of vintage charm and classic craftsmanship. Here are some pros and cons to consider:
Pros
Timeless Design: The classic fantail design embodies the elegance and style of the mid-20th century, making it a standout vessel with historic appeal.
Quality Craftsmanship: Built by J.M. Martinac, known for durable and well-constructed boats, ensuring solid build quality and longevity.
Spacious Layout: The motor yacht typically features ample deck and cabin space, providing comfort for extended cruising or entertaining guests.
Smooth Ride: Designed for stability and smooth handling, offering a pleasant experience on the water.
Collector’s Value: As a classic vessel from 1946, it holds potential as a collectible item for enthusiasts of vintage yachts.
Cons
Maintenance Requirements: Being a vintage boat, it may require ongoing restoration and maintenance to keep it in optimal condition.
Modern Amenities: Lacks contemporary conveniences and technology found in newer yachts, which might necessitate upgrades.
Fuel Efficiency: Older engines and heavier construction can lead to less efficient fuel consumption compared to modern vessels.
Parts Availability: Replacement parts for vintage components may be harder to find, potentially increasing repair time and costs.
Performance Limitations: While elegant, the boat may not match the speed and maneuverability of modern motor yachts.
Made For
The 1946 Custom J.M. Martinac Classic Fantail Motor Yacht is perfect for enthusiasts of vintage maritime craftsmanship who appreciate timeless design and solid construction. Ideal for collectors, classic boat aficionados, or anyone seeking a beautifully restored vessel with historic charm, this yacht offers a unique blend of classic elegance and reliable performance for leisurely cruising and memorable on-water experiences.
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Meet the Broker

Address
Boat Location
Contact Seacoast Yachts – Long Beach about 1946 Custom J.M. Martinac Classic Fantail Motor Yacht
231 N. Marina Drive, Long Beach, CA, 90803
Contact Seacoast Yachts – Long Beach
231 N. Marina Drive, Long Beach, CA, 90803














































































