1975 Bertram 28 Flybridge Boat in Boynton Beach, FL 33435 US
Built in 1975
28 Flybridge
2 Engines (2x Yanmar)
28 feet
Diesel
Fiberglass/Reinforced
1975 Bertram 28 Flybridge
Fully Restored | Rebuilt Yanmar Diesels
Offered at $59,999
Located in Freeport, Grand Bahama
This iconic Bertram 28 Flybridge underwent an extensive top-to-bottom restoration completed in 2025. Rebuilt twin Yanmar turbo diesels, renewed interior, upgraded electrical systems, modern Garmin electronics, and impressive onboard amenities.
All the charm of a classic Bertram. None of the headaches of a major restoration project.
Renowned for its rugged construction, legendary deep-V hull, and exceptional offshore capabilities. Enjoy impressive diesel efficiency, cruising comfortably at 19-21 mph while burning approximately 12 GPH combined.
Only 55 hours of use since refurbishment. Extensive maintenance records, restoration invoices, and detailed logbooks available. September 2025 survey on hand.
Features & Upgrades
Power & Mechanical
Twin Yanmar 4LHA-STP turbo diesel engines - completely rebuilt, approximately 3,200 total hours
Only 55 hours of operation since 2025 refurbishment
Repowered from MerCruiser gasoline engines to Yanmar diesels in 2007
Both OEM turbochargers replaced in 2023
Recently completed full engine service
Kohler 4.5kW diesel generator - fewer than 30 hours
165-gallon fuel tank replaced during 2007 repower
Fresh bottom paint and PropSpeed
Brand-new electric windlass with 300' of rode, 40' of stainless steel chain, and 22 lb plough anchor
Performance & Fuel Economy
Economical cruise: 19-21 mph at 2,400 RPM
Fuel consumption at cruise: approximately 12 GPH combined
Higher-speed operation: 30-33 mph at 3,100 RPM
Fuel consumption at 3,100 RPM: approximately 20 GPH combined
Performance figures reported with approximately 80% fuel and typical cruising load
Restoration & Improvements
Extensive top-to-bottom restoration completed in 2025
New exterior and interior paint
Completely renewed interior with new headliners
Entire AC and DC electrical systems rewired
New centralized electrical distribution panel
New 20-gallon freshwater tank
Freshwater plumbing installed at galley sink and lavatory
Brand-new Bimini top and premium Isinglass enclosure - $4,500 investment
New helm cushions
Custom salon table with embossed backgammon playing surface
Portable solar generator connection for powering essential onboard systems without running the generator (portable generator and solar panels not included)
Comprehensive restoration invoices, service records, and detailed vessel logbooks available
Electronics & Navigation
Twin Garmin 12" multifunction displays
Garmin 6' open-array radar - ideal for offshore navigation and locating birds while fishing
Replaced, fully functioning Autohelm autopilot
Starlink Mini satellite internet with Wi-Fi capability
Interior Comfort & Amenities
Brand-new 16,000 BTU marine air conditioning
Brand-new marine head
Brand-new refrigerator
Ice machine
Flat-screen TV
Convection cooktop
Nespresso coffee machine
New freshwater system serving galley and lavatory
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
| Date | Event | Price |
|---|---|---|
| 10/23/26 | Initial price | $59,999 |
1975 Bertram 28 Flybridge Video Tours
Overview from around the web 1975 Bertram 28 Flybridge
The 1975 Bertram 28 Flybridge has earned a strong reputation among boating enthusiasts for its classic design and solid construction
Customers frequently praise its sturdy build and reliable performance on the water, making it a favored choice for both fishing and leisure cruising. Reviews often highlight the spacious flybridge, which provides excellent visibility and an enjoyable layout for navigating or relaxing with family and friends. Owners appreciate the boat's versatility; its fishing capabilities are noted for being particularly impressive, with ample space for gear and easy access to rod holders. The interior is also commended for its practical design, featuring a cozy cabin that includes sleeping accommodations and a galley, ideal for weekend getaways. Many customers also mention the ease of maintenance due to the boat's straightforward systems, which can be a significant advantage for DIY enthusiasts. Overall, enthusiasts of the 1975 Bertram 28 Flybridge tend to view it as a timeless classic that combines quality craftsmanship with a functional design, making it a cherished addition to any boating enthusiast's fleet.
The Biggest Pros and Cons
Pros
Iconic Design: The Bertram 28 Flybridge is renowned for its classic lines and robust aesthetic, making it a sought-after model among enthusiasts and collectors.
Solid Construction: Built with a fibreglass hull and a deep-V design, this boat offers excellent durability and stability on the water, providing a comfortable ride even in rough seas.
Performance: Equipped with powerful engines, the 1975 model can deliver impressive speed and handling, ideal for both cruising and fishing excursions.
Ample Deck Space: With a spacious cockpit and flybridge, the Bertram 28 allows for plenty of room for fishing, entertaining, or just relaxing with friends and family.
Versatile Use: This model is well-suited for various activities, including sport fishing, day cruising, and weekend getaways, making it a versatile option for boaters.
Renowned Fishing Capability: Known as a fishing machine, this model is often favored by anglers for its performance and ability to handle heavy seas, making it reliable for offshore fishing.
Cons
Age-Related Maintenance: Being a vintage model, the 1975 Bertram 28 may require more frequent maintenance due to wear and tear, which can increase ownership costs.
Fuel Efficiency: Older engines may not be as fuel-efficient as newer models, potentially leading to higher operational costs for long trips.
Limited Modern Amenities: While charming, the interior may lack some of the modern conveniences and technology found in more recent boat models, which could be a consideration for tech-savvy boaters.
Draft Limitations: Its deep-V hull design can limit shallow-water accessibility, which could restrict certain areas for exploration.
Repair Availability: Finding specific parts for older models can sometimes be a challenge, and repairs may be more costly if specialized knowledge is required.
Weight: The solid construction contributes to a heavier weight compared to newer models, which might affect handling and fuel efficiency, particularly in thin waters.
Made For
The 1975 Bertram 28 Flybridge is perfect for boating enthusiasts who appreciate classic craftsmanship and reliable performance. It's an ideal choice for seasoned anglers looking for a dependable fishing platform, thanks to its spacious cockpit and well-equipped fishing amenities. Additionally, recreational boaters will find the flybridge offers excellent visibility and a comfortable helm for cruising. Families and friends seeking weekend getaways will enjoy the cozy cabin with its sleeping accommodations and galley space for preparing meals. Adventurers who thrive in versatile waterway conditions will appreciate the Bertram's robust construction and seaworthiness, making it suitable for everything from coastal cruising to offshore excursions. Whether you're an avid fisherman or simply love spending time on the water, the 1975 Bertram 28 Flybridge combines classic style and functionality to enhance your boating experience.
Finance your dream boat!
Finance your dream boat!
Be the first to know when similar boats hit the market
Get notified when new boats become available
Boats For Sale in Florida, United States Similar to the 1975 Bertram 28 Flybridge
Compare with similar boats and find the perfect one for you.
 1975 Bertram 28 Flybridge | ||||||
|---|---|---|---|---|---|---|
| Price | $59,999 | $47,999 | $47,500 | $39,999 | $94,900 | $99,999 |
| Location | Boynton Beach | Tavernier | Marathon | Pompano Beach | Stuart | Fort Pierce |
| Nominal Length | 28' | 42' | 31' | 25' | 38' | 44' |
| Engine Make | Yanmar | Detroit | MerCruiser | MERCURY | Cummins | Detroit Diesel |
| Total Engine Power | 240 hp | - | 350 hp | 300 hp | 450 hp | 550 hp |
| Days on Market | 35 | 372 | 23 | 572 | 248 | 875 |
| Get in touch |
Other Bertram boats for sale in Florida, United States
Meet the Broker
Address
Want to update the details or images for this boat? Claim this listing by getting in touch.
Boat Location
Contact Adonai Yachts International about 1975 Bertram 28 Flybridge
19701 SW 197th Ave, Miami, FL, 33187
Login with Google