• Slide: The Image of 1978 Bertram 31 Sportfisher Yanmars docked under a covered marina. - 2The Image of 1978 Bertram 31 Sportfisher Yanmars docked under a covered marina. - 2
  • Slide: The Image of 1978 Bertram 31 Sportfisher Yanmars boat helm with steering wheel and controls. - 3The Image of 1978 Bertram 31 Sportfisher Yanmars boat helm with steering wheel and controls. - 3
  • Slide: The Image of Throttle controls on a 1978 Bertram 31 Sportfisher Yanmars boat. - 4The Image of Throttle controls on a 1978 Bertram 31 Sportfisher Yanmars boat. - 4
  • Slide: The Image of 1978 Bertram 31 Sportfisher Yanmars interior with blue and white seating, dockside view. - 5The Image of 1978 Bertram 31 Sportfisher Yanmars interior with blue and white seating, dockside view. - 5
  • Slide: The Image of Electrical panel of a 1978 Bertram 31 Sportfisher Yanmars boat with switches and meters. - 6The Image of Electrical panel of a 1978 Bertram 31 Sportfisher Yanmars boat with switches and meters. - 6
  • Slide: The Image of Close-up of a Yanmar tachometer on a 1978 Bertram 31 Sportfisher boat. - 7The Image of Close-up of a Yanmar tachometer on a 1978 Bertram 31 Sportfisher boat. - 7
  • Slide: The Image of Tachometer of 1978 Bertram 31 Sportfisher Yanmars, showing engine hours and RPM. - 8The Image of Tachometer of 1978 Bertram 31 Sportfisher Yanmars, showing engine hours and RPM. - 8
  • Slide: The Image of 1978 Bertram 31 Sportfisher Yanmars helm with classic controls and steering wheel. - 9The Image of 1978 Bertram 31 Sportfisher Yanmars helm with classic controls and steering wheel. - 9
  • Slide: The Image of 1978 Bertram 31 Sportfisher Yanmars interior with blue and white seating, window view. - 10The Image of 1978 Bertram 31 Sportfisher Yanmars interior with blue and white seating, window view. - 10
  • Slide: The Image of 1978 Bertram 31 Sportfisher Yanmar engine in boat compartment, showcasing detailed mechanical components. - 11The Image of 1978 Bertram 31 Sportfisher Yanmar engine in boat compartment, showcasing detailed mechanical components. - 11
  • Slide: The Image of Mase generator in a 1978 Bertram 31 Sportfisher Yanmars engine compartment. - 12The Image of Mase generator in a 1978 Bertram 31 Sportfisher Yanmars engine compartment. - 12
  • Slide: The Image of 1978 Bertram 31 Sportfisher Yanmars engine compartment with fuel tank and components. - 13The Image of 1978 Bertram 31 Sportfisher Yanmars engine compartment with fuel tank and components. - 13
  • Slide: The Image of Open hatch of 1978 Bertram 31 Sportfisher Yanmars showing internal components and wiring. - 14The Image of Open hatch of 1978 Bertram 31 Sportfisher Yanmars showing internal components and wiring. - 14
  • Slide: The Image of 1978 Bertram 31 Sportfisher Yanmars helm with steering wheel and controls. - 15The Image of 1978 Bertram 31 Sportfisher Yanmars helm with steering wheel and controls. - 15
  • Slide: The Image of Throttle controls on a 1978 Bertram 31 Sportfisher Yanmars boat. - 16The Image of Throttle controls on a 1978 Bertram 31 Sportfisher Yanmars boat. - 16
  • Slide: The Image of 1978 Bertram 31 Sportfisher Yanmars helm with classic controls and steering wheel. - 17The Image of 1978 Bertram 31 Sportfisher Yanmars helm with classic controls and steering wheel. - 17
  • Slide: The Image of 1978 Bertram 31 Sportfisher Yanmars docked, featuring spacious deck and fishing equipment. - 18The Image of 1978 Bertram 31 Sportfisher Yanmars docked, featuring spacious deck and fishing equipment. - 18
  • Slide: The Image of Engine compartment of 1978 Bertram 31 Sportfisher Yanmars, showing hoses and fittings. - 19The Image of Engine compartment of 1978 Bertram 31 Sportfisher Yanmars, showing hoses and fittings. - 19
  • Slide: The Image of 1978 Bertram 31 Sportfisher Yanmars engine compartment with dual engines visible. - 20The Image of 1978 Bertram 31 Sportfisher Yanmars engine compartment with dual engines visible. - 20
  • Slide: The Image of 1978 Bertram 31 Sportfisher Yanmars interior with sink and wooden cabinetry. - 21The Image of 1978 Bertram 31 Sportfisher Yanmars interior with sink and wooden cabinetry. - 21
  • Slide: The Image of Control panel of a 1978 Bertram 31 Sportfisher Yanmars boat with gauges and switches. - 22The Image of Control panel of a 1978 Bertram 31 Sportfisher Yanmars boat with gauges and switches. - 22
  • Slide: The Image of Interior of 1978 Bertram 31 Sportfisher Yanmars with cushioned seating and table. - 23The Image of Interior of 1978 Bertram 31 Sportfisher Yanmars with cushioned seating and table. - 23
  • Slide: The Image of 1978 Bertram 31 Sportfisher Yanmars helm with classic wooden dashboard and steering wheel. - 24The Image of 1978 Bertram 31 Sportfisher Yanmars helm with classic wooden dashboard and steering wheel. - 24
  • Slide: The Image of Small lizard on a 1978 Bertram 31 Sportfisher Yanmars boat window. - 25The Image of Small lizard on a 1978 Bertram 31 Sportfisher Yanmars boat window. - 25
  • Slide: The Image of 1978 Bertram 31 Sportfisher Yanmars engine compartment with dual Yanmar engines. - 26The Image of 1978 Bertram 31 Sportfisher Yanmars engine compartment with dual Yanmar engines. - 26
  • Slide: The Image of Engine compartment of a 1978 Bertram 31 Sportfisher Yanmars, showing mechanical components and wiring. - 27The Image of Engine compartment of a 1978 Bertram 31 Sportfisher Yanmars, showing mechanical components and wiring. - 27
  • Slide: The Image of 1978 Bertram 31 Sportfisher Yanmars docked in a serene marina setting. - 28The Image of 1978 Bertram 31 Sportfisher Yanmars docked in a serene marina setting. - 28
  • Slide: The Image of Engine compartment of a 1978 Bertram 31 Sportfisher Yanmars, showing wiring and components. - 29The Image of Engine compartment of a 1978 Bertram 31 Sportfisher Yanmars, showing wiring and components. - 29
  • Slide: The Image of 1978 Bertram 31 Sportfisher Yanmars deck inspection with open hatch and visible wiring. - 30The Image of 1978 Bertram 31 Sportfisher Yanmars deck inspection with open hatch and visible wiring. - 30
  • Slide: The Image of 1978 Bertram 31 Sportfisher Yanmars engine compartment with fuel container and mechanical components. - 31The Image of 1978 Bertram 31 Sportfisher Yanmars engine compartment with fuel container and mechanical components. - 31
  • Slide: The Image of Bilge area of 1978 Bertram 31 Sportfisher Yanmars, showing wiring and components. - 32The Image of Bilge area of 1978 Bertram 31 Sportfisher Yanmars, showing wiring and components. - 32
  • Slide: The Image of 1978 Bertram 31 Sportfisher Yanmars boat interior with steering wheel and cabin view. - 33The Image of 1978 Bertram 31 Sportfisher Yanmars boat interior with steering wheel and cabin view. - 33
  • Slide: The Image of Engine compartment of a 1978 Bertram 31 Sportfisher Yanmars, showing hoses and components. - 34The Image of Engine compartment of a 1978 Bertram 31 Sportfisher Yanmars, showing hoses and components. - 34
1/34

1978 Bertram 31 Sportfisher Yanmars

$47,500

Used

Boat in Biloxi, MS 39531 US

builtBuilt in 1978
Year the boat was built
model

31 Sportfisher Yanmars

Boat model
engine

2 Engines (Yanmar, Yanmar)

Engine type and count
length

31 feet

Overall boat length
fuel

Diesel

Fuel type
material

Fiberglass/Reinforced

Hull material

Nice boat. Own a Legend. Decoy has been repowered with twin 240hp Yanmar diesels with 783 current hours. Cruise 23-25 mph. Mase 4kw generator. This boat was delivered to Biloxi, 165 mile trip 11-2025. Runs great. Call for more details.

Nominal Length
31ft
Length Overall
31ft
Beam
11.17ft
Cabins
1
Heads
1
Fresh Water Tanks
18gal
Fuel Tanks
222gal
Electrical Circuit
110v
Hull Material
fiberglass
Engine 1
Engine Make
Yanmar
Total Power
240hp
Engine Hours
785
Engine Type
inboard
Fuel Type
diesel
Engine 2
Engine Make
Yanmar
Total Power
240hp
Engine Hours
785
Engine Type
inboard
Fuel Type
diesel
Electric Bilge Pump
✓
Marine Head
✓
Air Conditioning
✓
Battery Charger
✓
Compass
✓
Bimini Top
✓
Shore Power Inlet
✓
Generator
✓
Disclaimer

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.

Price History

DateEventPrice
1/30/26Initial price$47,500

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5 Mockingbird Lane, Gulfport, MS, 39507

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