1978 Bertram 46 Motor Yacht Boat in Muskegon, MI 49440 US
46 Motor Yacht
2 Engines (2x Detroit Diesel)
46.5 feet
Diesel
Fiberglass/Reinforced
A heavily built yacht with spacious accommodations and traditional flush-deck styling, the Bertram 46 Motor Yacht was designed for yachtsmen who placed a premium on solid construction and exceptional seakeeping qualities. She was built on the same solid fiberglass hull used in the production of the Bertram 46 Convertible, and it's notable the Bertram 46 remains one of the few deep-V motor yachts ever produced by a major American manufacturer. Her standard two-stateroom floorplan featured a very spacious salon with the galley and dinette down and a tub/shower in the aft head. Sliding panels convert the dinette area opposite the galley into private sleeping quarters. One of the nice features of a flush-deck yacht is that the skipper stays close to his guests when piloting from the semi-enclosed lower helm position. Design changes included a stall shower added in the forward head in 1977, an updated teak interior in 1982, and a queen berth (previously optional) in the master stateroom in 1986. Standard 435hp Detroit 8V71 diesels cruise at 19-20 knots.
2005- New Trim Tabs, Pumps, and hoses
2009 - New Fuel Pressure Sender / Starboard
2010 - New Digital Tachs Up And Down
New Alternator / Starboard
2016 - Raymarine color / touch screen display
2018 - Heaters and cords / Port Engine
New Injectors and Rack Adjust (VanEck Diesel)
Windlass Gear Oil Change
2019- Genius Smart Chargers
2020 - New Generator Fuel Pump
New Windlass Controls.
2024 - New Canvas
Fridge Serviced
New 150’ Anchor Chain
New Speakers Throughout Boat and Bridge, and 2 New Amps
New Spin On Oil Filters.
2025 - New Dining Cushions
2026 - New Countertops, Sink, Faucet, Microwave, and Air Fryer.
New Heaters and Cords / Starboard Engine
Impellars changed every 3 years, windlass lubed every year,
Onboard Oil Change System for motors, trans, and gen.
Last owner purchased 4/01 with 139.3 hours Port / 150.9 Starboard
Price History
| Date | Event | Price |
|---|---|---|
| 11/11/26 | Initial price | $139,500 |
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1978 Bertram 46 Motor Yacht | ||||||
|---|---|---|---|---|---|---|
| Price | $139,500 | $184,900 | $89,900 | $89,900 | $85,000 | $79,900 |
| Location | Muskegon | Cheboygan | New Buffalo | Algonac | Harrison Township | Muskegon |
| Nominal Length | 47' | 39' | 42' | 44' | 42' | 42' |
| Draft | 5' | - | - | - | - | - |
| Engine Make | Detroit Diesel | MerCruiser | Detroit Diesel | Detroit Diesel | MerCruiser | Detroit |
| Total Engine Power | 435 hp | 370 hp | 335 hp | 410 hp | 340 hp | 335 hp |
| Days on Market | 3 | 156 | 76 | 11 | 74 | 1 |
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Boat Location
Contact Walstrom Marine about 1978 Bertram 46 Motor Yacht
501 Bay St., Harbor Springs, MI, 49740




































































