1977 Bertram Flybridge Cruiser

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Clearwater, FL

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Class Power
Category Sports Fishing Boats, Flybridge
Year 1977
Make Bertram
Length 31'
Propulsion Type Twin Inboard
Hull Material Fiberglass
Fuel Type Diesel
Location Clearwater, FL

Cabin is arranged with a convertible dinette to port, galley and enclosed head compartment to starboard, large v-berth forward. 

  • 10,000 BTU dockside air conditioning
  • Cabin Ventilation
    Large foredeck hatch
    Two opening windshields
    Two sliding windows in aft bulkhead

  • Crown Electric Flush Marine Toilet

Starboard side galley. 

  • Single sink with pressure cold water 
  • 12 / 110 V ref / fzr
  • Galley stowage


Hull and Deck

The Bertram 31 is well respected for it's rough water seakeeping ability and rugged construction. CAN'T AGREE has the redesigned chine aft which enhances performance from earlier models. 

  • New rub rail w/ ss striker
  • SS framed cockpit bimini 
  • Ground Tackle: 
    Anchor locker forward
    Fortress FX 11 w/ SS chain and 3 strand anchor rode
  • Transom steps 
  • Flybridge 
    2 helm seats
    3 sided FB enclosure
    Morse Controls and full instrument gauges 
  • Pipe Welders Tower
    Aluminum frame sun shade
    Helm and controls 
  • Cockpit
    Spacious cockpit for a 31 footer offering excellent fishability with cushioned engine boxes for sitting and watching the baits 
Fishing Features

The Bertram 31 has been rated as the best pound for pound fishing boat ever constructed. 

  • Full Pipe Welders Tower
  • Rupp Outriggers
  • Pomponette Fighting Chair 
  • 4 Cockpit rod holders and 5 rocket launchers
  • 110 V / 30 Amp shore power w/ shore power cord
  • Batteries
    Two 12 V engine start batteries
    One 12 V house battery
    Marine battery charger
  • Two Rule auto / manual bilge pumps

Re-powered in 2001 with twin Cummins 4BTA 3.9M 250 HP Diesel engines with 1609 engine hours. This refit included new shafts, new struts, 4 blade Nibral props and over sized rudders (over sized rudders were retro-fit designed to improve steering at low speeds).

  • Walker Engineering Air Seps
  • Two 3 blade spare props
  • Two Racor FG 900 Fuel Filters
  • VDO Engine Synchronizer
  • Full engine instruments including fuel gauge
  • Bennett trim tabs
  • Buell Air horn w/ 3 trumpets
  • Flybridge
    B&G Network Autopilot
    Furuno GPS and Sounder
    Icom IC - M302 VHF / FM
    Ritchie Powerdamp Compass 

  • Entertainment
    Clarion AM/FM/CD/Sirius Stereo w/ salon and cockpit speakers
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.
Speed and Distance
Cruising Speed
Max Speed
Nominal Length
Length Overall
Dry Weight
Fuel Tank Capacity
Fuel Tank Material
Fresh Water Tank Capacity
Fresh Water Tank Material
Engine Make Cummins
Engine Model 4BTA 3.9M
Total Power 500hp
Engine Hours 1609
Engine Type Twin Inboard
Fuel Type Diesel
1977 Bertram Flybridge Cruiser


Can't Agree is a well maintained Classic Bertram 31 FB Cruiser with a full Pipe Welders Tower. Re-powered in 2001 with 250 hp Cummins diesels including new shafts, struts, 4-blade Nibral Props, over sized rudders and dock side air. 

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