• Slide: The Image of 1973 Bertram 31 Flybridge Cruiser on land under bright sun. - 1The Image of 1973 Bertram 31 Flybridge Cruiser on land under bright sun. - 1
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser on display under bright sunlight. - 2The Image of 1973 Bertram 31 Flybridge Cruiser on display under bright sunlight. - 2
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser on dry dock under clear blue sky. - 3The Image of 1973 Bertram 31 Flybridge Cruiser on dry dock under clear blue sky. - 3
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser on display under clear blue sky. - 4The Image of 1973 Bertram 31 Flybridge Cruiser on display under clear blue sky. - 4
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser on blocks under clear blue sky. - 5The Image of 1973 Bertram 31 Flybridge Cruiser on blocks under clear blue sky. - 5
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser on dry dock, clear blue sky background. - 6The Image of 1973 Bertram 31 Flybridge Cruiser on dry dock, clear blue sky background. - 6
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser on dry dock, surrounded by other boats. - 7The Image of 1973 Bertram 31 Flybridge Cruiser on dry dock, surrounded by other boats. - 7
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser propeller and shaft on cinder blocks. - 8The Image of 1973 Bertram 31 Flybridge Cruiser propeller and shaft on cinder blocks. - 8
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser on blocks, named "No Respect," in a boatyard. - 9The Image of 1973 Bertram 31 Flybridge Cruiser on blocks, named "No Respect," in a boatyard. - 9
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser under clear blue sky. - 10The Image of 1973 Bertram 31 Flybridge Cruiser under clear blue sky. - 10
  • Slide: The Image of Aerial view of 1973 Bertram 31 Flybridge Cruiser docked near two cars. - 11The Image of Aerial view of 1973 Bertram 31 Flybridge Cruiser docked near two cars. - 11
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser cockpit view with fishing rod holders. - 12The Image of 1973 Bertram 31 Flybridge Cruiser cockpit view with fishing rod holders. - 12
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser view from helm, docked with other boats. - 13The Image of 1973 Bertram 31 Flybridge Cruiser view from helm, docked with other boats. - 13
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser helm with steering wheel and controls. - 14The Image of 1973 Bertram 31 Flybridge Cruiser helm with steering wheel and controls. - 14
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser deck with storage compartments and fishing gear. - 15The Image of 1973 Bertram 31 Flybridge Cruiser deck with storage compartments and fishing gear. - 15
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser helm with white seats and steering wheel. - 16The Image of 1973 Bertram 31 Flybridge Cruiser helm with white seats and steering wheel. - 16
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser, spacious deck, white exterior, docked in marina. - 17The Image of 1973 Bertram 31 Flybridge Cruiser, spacious deck, white exterior, docked in marina. - 17
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser with white exterior, docked at a marina under clear blue skies. - 18The Image of 1973 Bertram 31 Flybridge Cruiser with white exterior, docked at a marina under clear blue skies. - 18
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser propeller and shaft on gravel with autumn leaves. - 19The Image of 1973 Bertram 31 Flybridge Cruiser propeller and shaft on gravel with autumn leaves. - 19
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser kitchen with sink, microwave, and storage. - 20The Image of 1973 Bertram 31 Flybridge Cruiser kitchen with sink, microwave, and storage. - 20
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser bathroom with sink, mirror, and window blinds. - 21The Image of 1973 Bertram 31 Flybridge Cruiser bathroom with sink, mirror, and window blinds. - 21
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser bathroom with sink, toilet, and window blinds. - 22The Image of 1973 Bertram 31 Flybridge Cruiser bathroom with sink, toilet, and window blinds. - 22
  • Slide: The Image of Interior cabin of 1973 Bertram 31 Flybridge Cruiser with wood paneling and cushioned seating. - 23The Image of Interior cabin of 1973 Bertram 31 Flybridge Cruiser with wood paneling and cushioned seating. - 23
  • Slide: The Image of Interior cabin of 1973 Bertram 31 Flybridge Cruiser with cushioned seating. - 24The Image of Interior cabin of 1973 Bertram 31 Flybridge Cruiser with cushioned seating. - 24
  • Slide: The Image of Interior of 1973 Bertram 31 Flybridge Cruiser with kitchenette and wooden cabinetry. - 25The Image of Interior of 1973 Bertram 31 Flybridge Cruiser with kitchenette and wooden cabinetry. - 25
  • Slide: The Image of Interior of 1973 Bertram 31 Flybridge Cruiser with dining area and black seating. - 26The Image of Interior of 1973 Bertram 31 Flybridge Cruiser with dining area and black seating. - 26
  • Slide: The Image of Interior of a 1973 Bertram 31 Flybridge Cruiser with seating and table. - 27The Image of Interior of a 1973 Bertram 31 Flybridge Cruiser with seating and table. - 27
  • Slide: The Image of Electrical wiring panel of a 1973 Bertram 31 Flybridge Cruiser boat. - 28The Image of Electrical wiring panel of a 1973 Bertram 31 Flybridge Cruiser boat. - 28
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser radio and wiring compartment. - 29The Image of 1973 Bertram 31 Flybridge Cruiser radio and wiring compartment. - 29
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser radio compartment with communication equipment and wiring. - 30The Image of 1973 Bertram 31 Flybridge Cruiser radio compartment with communication equipment and wiring. - 30
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser plumbing detail with pipes and fittings. - 31The Image of 1973 Bertram 31 Flybridge Cruiser plumbing detail with pipes and fittings. - 31
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser fuel tank and plumbing system. - 32The Image of 1973 Bertram 31 Flybridge Cruiser fuel tank and plumbing system. - 32
  • Slide: The Image of Engine compartment of 1973 Bertram 31 Flybridge Cruiser with visible hoses and valves. - 33The Image of Engine compartment of 1973 Bertram 31 Flybridge Cruiser with visible hoses and valves. - 33
  • Slide: The Image of Engine compartment of a 1973 Bertram 31 Flybridge Cruiser with visible hoses and valves. - 34The Image of Engine compartment of a 1973 Bertram 31 Flybridge Cruiser with visible hoses and valves. - 34
  • Slide: The Image of Engine compartment of a 1973 Bertram 31 Flybridge Cruiser, showing mechanical components. - 35The Image of Engine compartment of a 1973 Bertram 31 Flybridge Cruiser, showing mechanical components. - 35
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser helm with white seating and steering wheel, docked among boats. - 36The Image of 1973 Bertram 31 Flybridge Cruiser helm with white seating and steering wheel, docked among boats. - 36
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser engine compartment, showing mechanical components and wiring. - 37The Image of 1973 Bertram 31 Flybridge Cruiser engine compartment, showing mechanical components and wiring. - 37
  • Slide: The Image of Engine compartment of 1973 Bertram 31 Flybridge Cruiser with visible wiring and components. - 38The Image of Engine compartment of 1973 Bertram 31 Flybridge Cruiser with visible wiring and components. - 38
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser bilge area with pump and wiring. - 39The Image of 1973 Bertram 31 Flybridge Cruiser bilge area with pump and wiring. - 39
  • Slide: The Image of Engine compartment of a 1973 Bertram 31 Flybridge Cruiser, showcasing mechanical components. - 40The Image of Engine compartment of a 1973 Bertram 31 Flybridge Cruiser, showcasing mechanical components. - 40
  • Slide: The Image of Engine compartment of a 1973 Bertram 31 Flybridge Cruiser, showcasing detailed mechanical components. - 41The Image of Engine compartment of a 1973 Bertram 31 Flybridge Cruiser, showcasing detailed mechanical components. - 41
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser engine compartment, showcasing detailed mechanical components. - 42The Image of 1973 Bertram 31 Flybridge Cruiser engine compartment, showcasing detailed mechanical components. - 42
  • Slide: The Image of Engine compartment of 1973 Bertram 31 Flybridge Cruiser with battery switches and wiring. - 43The Image of Engine compartment of 1973 Bertram 31 Flybridge Cruiser with battery switches and wiring. - 43
  • Slide: The Image of 30 AMP battery charger in 1973 Bertram 31 Flybridge Cruiser. - 44The Image of 30 AMP battery charger in 1973 Bertram 31 Flybridge Cruiser. - 44
  • Slide: The Image of Mercury MerCruiser Horizon V8 engine cover on 1973 Bertram 31 Flybridge Cruiser. - 45The Image of Mercury MerCruiser Horizon V8 engine cover on 1973 Bertram 31 Flybridge Cruiser. - 45
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser engine compartment with visible V8 engine components. - 46The Image of 1973 Bertram 31 Flybridge Cruiser engine compartment with visible V8 engine components. - 46
  • Slide: The Image of Engine compartment of a 1973 Bertram 31 Flybridge Cruiser with visible components. - 47The Image of Engine compartment of a 1973 Bertram 31 Flybridge Cruiser with visible components. - 47
  • Slide: The Image of Vintage 1973 Bertram 31 Flybridge Cruiser fishing chair in a rustic garage setting. - 48The Image of Vintage 1973 Bertram 31 Flybridge Cruiser fishing chair in a rustic garage setting. - 48
  • Slide: The Image of 1973 Bertram 31 Flybridge Cruiser fishing chair in a garage setting. - 49The Image of 1973 Bertram 31 Flybridge Cruiser fishing chair in a garage setting. - 49
  • Slide: The Image of Bertram 31 Flybridge Cruiser 1973 - 50The Image of Bertram 31 Flybridge Cruiser 1973 - 50
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1973 Bertram 31 Flybridge Cruiser

$29,900

Used

Boat in Avon By The Sea, NJ 07717 US

builtBuilt in 1973
Year the boat was built
model

31 Flybridge Cruiser

Boat model
engine

2 Engines (2x MerCruiser)

Engine type and count
length

31 feet

Overall boat length
fuel

Gas

Fuel type
material

Fiberglass/Reinforced

Hull material

Bring All Offers!


1973 31 Bertram Flybridge - This boat has been owned by the same captain/owner for approximately 35 years and has raised many billfish and tuna on her decks. She has never been restored but has always been maintained and upgraded / updated throughout the years. Twin 454 MerCruiser Horizons were installed in 2000 and have approximately 2,200 hrs on them (Mercury scanner / computer comes with the boat). Dripless packings done in 2020. Risers were replaced approx three years ago. All running gear (21/22 props w/ 1.5 inch shafts), cables, shifters, etc were all replaced in 2000 when the engines were done. Bulkhead and stringer work done as needed over the years. ZF Hurth Transmissions.

Bottom was soda blasted 8 years ago and redone (always used Micron 66).

The fuel tanks (230 gallon center and twin 28 gallon wing tanks) were replaced in 2010 with aluminum tanks that were primed and coated. When the tanks were done, so were any relevant stringers or bulkheads that needed to be replaced or repaired at that time including the bulkhead by the cabin step / door. Simrad autopilot interfaces with newer NSS3009 (approx 1 year old); Hook 7 depthfinder / GPS plotter (approx 5 years old) ; ICOM 100 and ICOM 120 VHFs ; Older Raytheon radar ; new stereo 3 years ago.

Aft bulkhead frammica replaced 1 year ago. Newer interior frammica replaced within the last 8 years; refrigerator and toilet replaced 3 years ago; FW tank holds approx 30 gallons ; FW pump approx 4 years old ; Pipewelders tower; canvas / eisenglass approx 7 years old ; 22' Lee double spreader outriggers ; 600 ft anchor line with 15 ft chain and MUCH MORE!

Boat comes with a removable full Murray Brothers offshore fighting chair (both rocket launcher and ladder back) along with livewell base mount.

New batteries in 2023 and this boat is offshore rigged and ready to go!

Call or text Evan at 917-817- FIVE ZERO EIGHT FOUR with any questions or to make an appointment to see the vessel!

Nominal Length
31ft
Length Overall
31ft
Beam
11.17ft
Heads
1
Fresh Water Tanks
30gal
Fuel Tanks
336gal
Hull Material
fiberglass
Hull Shape
deep-vee
Engine 1
Engine Make
MerCruiser
Engine Model
7.4L 454 Horizon
Engine Hours
2200
Engine Type
inboard
Fuel Type
gasoline
Engine Year
2000
Propeller Type
3-blade
Propeller Material
bronze
Engine 2
Engine Make
MerCruiser
Engine Model
7.4L 454 Horizon
Engine Hours
2200
Engine Type
inboard
Fuel Type
gasoline
Engine Year
2000
Propeller Type
3-blade
Propeller Material
bronze
Outriggers
✓
Microwave Oven
✓
Marine Head
✓
Refrigerator
✓
Battery Charger
✓
Depthsounder
✓
Radar
✓
Plotter
✓
Autopilot
✓
Radio
✓
Compass
✓
Gps
✓
Cockpit Speakers
✓
Vhf
✓
Shore Power Inlet
✓
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
12/11/25Price decreased$29,900(-14.3%)
11/23/25Price decreased$34,900(-16.7%)
11/1/25Price decreased$41,900(-2.3%)
10/4/25Price decreased$42,900(-12.3%)
6/28/25No change$49,900
6/22/25Price decreased$48,900(-2.0%)

Overview from around the web 1973 Bertram 31 Flybridge Cruiser

Customers consistently praise the 1973 Bertram 31 Flybridge Cruiser for its classic design and robust construction

Many highlight its sturdy fiberglass hull and reliable performance, making it a favorite among anglers and cruising enthusiasts alike. The spacious flybridge offers excellent visibility and comfortable seating, enhancing the overall boating experience. Owners also appreciate the well-laid-out cockpit and cabin, which provide ample room for both fishing gear and overnight stays. While some note that maintenance may be required due to the boat’s age, the timeless appeal and seaworthiness of the Bertram 31 continue to earn it strong admiration from those who own and sail it.

The Biggest Pros and Cons

The 1973 Bertram 31 Flybridge Cruiser is a classic vessel known for its distinctive style and solid construction. Here are some pros and cons to consider:

Pros

Timeless Design: The 31-foot flybridge cruiser features the iconic deep-V hull and classic lines that make it stand out on the water.

Sturdy Construction: Built with a robust fiberglass hull, this model is known for durability and seaworthiness.

Flybridge Layout: The elevated flybridge offers excellent visibility and a comfortable helm position for cruising and fishing.

Spacious Interior: Despite its size, the boat provides a practical cabin layout with sleeping accommodations, a galley, and a head, making it suitable for weekend getaways.

Strong Performance: Powered by reliable engines typical of the era, the Bertram 31 offers stable and confident handling in various sea conditions.

Cons

Age-Related Maintenance: Being a vintage vessel, it may require ongoing upkeep, including potential updates to electrical systems, plumbing, and engine components.

Weight and Fuel Efficiency: The solid build contributes to a heavier boat, which can affect fuel economy compared to more modern, lightweight designs.

Limited Modern Amenities: The 1973 model may lack contemporary comforts and technology found in newer cruisers, such as advanced navigation systems or modern interior finishes.

Cabin Space: While functional, the interior space is relatively compact compared to larger cruisers, which might limit extended liveaboard comfort.

Made For

The 1973 Bertram 31 Flybridge Cruiser is ideal for boating enthusiasts who appreciate classic design combined with reliable performance. It’s perfect for those seeking a versatile cruiser suitable for both leisurely day trips and extended coastal adventures. Whether you’re an experienced captain looking for a sturdy, well-built vessel or a sailor eager to enjoy comfortable flybridge cruising with family and friends, this boat offers timeless style and functionality.

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 1973 Bertram 31 Flybridge Cruiser. Enter your down payment, choose a loan term, and adjust the interest rate to see an instant payment estimate — ideal if you're calculating boat payments before you enquire. Wondering how much does a Sport Fishing cost in today's market, or how much does a Bertram cost for similar models? This boat financing calculator helps you compare scenarios in seconds, whether you're considering used boat financing or a new purchase.
Monthly payment
$339.36/mo
$
$
Loan amount$ 29,900
OR
%

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 1973 Bertram 31 Flybridge Cruiser. Enter your down payment, choose a loan term, and adjust the interest rate to see an instant payment estimate — ideal if you're calculating boat payments before you enquire. Wondering how much does a Sport Fishing cost in today's market, or how much does a Bertram cost for similar models? This boat financing calculator helps you compare scenarios in seconds, whether you're considering used boat financing or a new purchase.
Monthly payment
$339.36/mo
$
$
Loan amount$ 29,900
OR
%

Contact Deep Creek Cove Marina

381 Brielle Rd, Manasquan, NJ, 08736

By checking this box, I consent to receive recurring marketing text messages, phone calls, and emails from Deep Creek Cove Marina at the number and email provided, including messages sent using an autodialer or prerecorded voice. Message frequency varies. Message and data rates may apply. Reply STOP to opt out or HELP for assistance. Consent is not a condition of purchase. We'll also send helpful email updates about your boat search. You can unsubscribe whenever you like. See Terms of Use and Privacy Policy.

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Address

381 Brielle Rd
Manasquan, NJ 08736

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Contact Deep Creek Cove Marina about 1973 Bertram 31 Flybridge Cruiser

381 Brielle Rd, Manasquan, NJ, 08736

By checking this box, I consent to receive recurring marketing text messages, phone calls, and emails from Deep Creek Cove Marina at the number and email provided, including messages sent using an autodialer or prerecorded voice. Message frequency varies. Message and data rates may apply. Reply STOP to opt out or HELP for assistance. Consent is not a condition of purchase. We'll also send helpful email updates about your boat search. You can unsubscribe whenever you like. See Terms of Use and Privacy Policy.

Contact Deep Creek Cove Marina

381 Brielle Rd, Manasquan, NJ, 08736

By checking this box, I consent to receive recurring marketing text messages, phone calls, and emails from Deep Creek Cove Marina at the number and email provided, including messages sent using an autodialer or prerecorded voice. Message frequency varies. Message and data rates may apply. Reply STOP to opt out or HELP for assistance. Consent is not a condition of purchase. We'll also send helpful email updates about your boat search. You can unsubscribe whenever you like. See Terms of Use and Privacy Policy.

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