Grumman Pontoon Boat – All You Need to Know 

Discover everything about the Grumman Pontoon Boat: features, specs, pricing, and restoration tips for this versatile, durable watercraft.

Grumman pontoon boats, renowned for their lightweight aluminum construction and durability, have been a staple for boating enthusiasts since the mid-20th century. Originally designed by Grumman, a company with roots in aircraft manufacturing, these boats leverage marine-grade aluminum for strength, corrosion resistance, and ease of towing. This comprehensive guide explores the features, specifications, pricing, and practical considerations of owning a Grumman pontoon boat, focusing on a restored 1989 24ft model and comparing it to newer models like the 2016 Marathon Grumman Journey 2085. Whether you’re a fishing enthusiast, a leisure cruiser, or considering a restoration project, this article provides all the details you need to make an informed decision.

The Legacy of Grumman Boats

Grumman’s heritage in aluminum boat manufacturing stems from its expertise in building lightweight, durable aircraft. This engineering prowess translates into boats that are tough, lightweight, and efficient. The Grumman pontoon boat line, now part of the Marathon Boat Group, includes models designed for fishing, cruising, and exploring shallow waters. Their all-welded seams, heavy-duty extruded gunwales, and multiple longitudinal keels ensure stability and longevity, making them ideal for both freshwater and saltwater environments when properly maintained.

Overview of the 1989 24ft Grumman Pontoon Boat

A well-maintained or restored 1989 24ft Grumman pontoon boat is a versatile option for boating enthusiasts. Below is a detailed breakdown of a specific restored example, based on a listing from the Philadelphia area, highlighting its features, upgrades, and condition.

Key Features and Upgrades

• Hull and Deck: The boat features a solid aluminum hull with resealed wood洗洗 wood decking secured with galvanized screws. The deck is reported to be in excellent condition with no soft spots, even under significant weight (300+ lbs). New blue pontoon carpeting enhances aesthetics and comfort.
• Furniture: A $1,500 pontoon furniture package with plastic-based seats to prevent rot, including a bench at the rear and one next to the helm. Two additional post-mounted seats (new, in-box) are included for customizable seating arrangements.
• Electronics and Wiring: The boat has been completely rewired with soldered and sealed connections for reliability. It includes a chromed diamond plate helm dash (though noted for potential glare), new outdoor switches for lighting and air horns, and a Garmin GPSMAP 440s with fish finder for navigation and fishing.
• Engine: A 1998 50HP Evinrude outboard motor, known for reliability, though it exhibited heavy smoke on startup and failed to restart during one inspection, possibly due to fouled plugs from oil injection.
• Fuel System: Two new 12-gallon fuel tanks provide good range for extended trips.
• Additional Equipment: Includes a solar panel battery charger, two fluke-style anchors (6lb and 8lb), three dock bumpers, two fire extinguishers, newer flares, an AM/FM/CD/MP3 player with two speakers, and approximately seven flotation devices (including one throwable).
• Trailer: Comes with a bunk board-type trailer with two newer tires, one new spare tire, and new wiring. The trailer requires new bunk boards, but replacement carpet for the boards is included.

Condition Notes

• Deck: Solid with no soft spots, indicating proper sealing and maintenance.
• Pontoons: Not pressure-tested, but the hull is reported clean above and below deck.
• Engine Concerns: Heavy smoke on startup and failure to restart suggest potential maintenance needs, such as spark plug replacement or fuel system checks.
• Furniture: Limited installed seating (rear bench and helm bench), with additional seats available for customization.

Pricing Insights

The seller initially asked $6,600 but offered a bottom-line price of $5,100. Market opinions varied, with estimates ranging from $3,500 to $7,000, reflecting the boat’s age (22 years old at the time of the listing) and regional pricing differences. Factors influencing value include the new furniture, carpeting, wiring, and electronics, balanced against the need for trailer repairs and potential engine maintenance. For a fishing/crabbing setup, the limited seating and trailer bunk board replacement were not significant drawbacks for buyers with a $6,000 budget.

Comparison with the 2016 Marathon Grumman Journey 2085

To provide context, let’s compare the 1989 model to a newer 2016 Marathon Grumman Journey 2085, a 20ft pontoon boat with a 75HP Evinrude E-Tec outboard.

Key Features of the Journey 2085

• Hull: Aluminum with all-welded seams and heavy-duty gunwales, designed for stability and shallow-water performance.
• Engine: 75HP Evinrude E-Tec, a two-stroke engine known for efficiency and power.
• Propeller: Requires a 14×13 aluminum prop or a 13 1/4 x 14 stainless steel prop, with mounting hardware (nut, washer, no cotter pin required). The Black Max XC or Alpha 4 props are recommended for pontoon boats due to larger blade designs.
• Seating: Configurable layouts with plush or textured floor coverings, lockable rod storage, and an aerated livewell for fishing.
• Accessories: Similar to the 1989 model, it supports modern electronics like fish finders and GPS, with options for trolling motors and additional seating.

Specification Comparison Table

Pricing for the Journey 2085

Used 2016 Journey 2085 models typically range from $15,000 to $25,000, depending on condition, engine hours, and included accessories. The higher price reflects the newer model year, advanced engine technology, and additional features like livewells and modern seating configurations.

Restoration Considerations: A Case Study

Restoring a Grumman pontoon boat, as seen in a 24ft model purchased for $1,500, can be a cost-effective way to acquire a reliable vessel. The buyer noted the boat’s rough condition but solid deck and pontoons, with a 1998 (or possibly 1988) 50HP Johnson engine in good running order. Planned upgrades included:

• Decking: Replace with marine plywood and coat with Restore 10X or Tuffcoat for durability.
• Seating: New seats from PontoonStuff.com to replace deteriorated originals.
• Console: Replace the rotted console with a new unit.
• Additional Features: Install a livewell, washdown system, LED lighting, and a stereo system. Optional upgrades for resale include a trolling motor, bowfishing lights, and a BBQ grill.

The buyer aimed to keep total costs under $5,000, with an expected resale value of around $5,000. This approach highlights the potential for significant savings through restoration, provided the hull and engine are sound.

Restoration Workflow (Diagram)

Practical Considerations for Owning a Grumman Pontoon Boat

Advantages

• Durability: Aluminum construction resists corrosion, especially when rinsed after saltwater use.
• Lightweight: Easier to tow and more fuel-efficient than fiberglass boats of similar size.
• Versatility: Suitable for fishing, crabbing, and leisure cruising in shallow waters.
• Customizability: Ample deck space allows for personalized seating and accessory layouts.

Challenges

• Age-Related Issues: Older models (e.g., 1989) may require engine maintenance or deck repairs.
• Trailer Maintenance: Bunk board replacements and wiring upgrades are common needs.
• Stability: Pontoon boats can be less stable in rough water compared to V-hull designs.
• Glare: Chromed dash plates, as in the 1989 model, may cause visibility issues in bright sunlight.

Maintenance Tips

• Regular Inspections: Check pontoons for leaks and re-buck rivets if necessary.
• Engine Care: Address smoking issues by checking spark plugs, fuel lines, and oil injection systems.
• Deck Protection: Use marine-grade plywood and sealants to prevent water ingress.
• Saltwater Use: Rinse thoroughly after use to prevent corrosion, especially on riveted hulls.

Market Analysis and Pricing

The used pontoon boat market varies by region, model year, and condition. For the 1989 24ft Grumman, opinions from boating forums suggest a value of $3,500-$7,000, with $5,100 being a reasonable deal given the upgrades. In contrast, newer models like the 2016 Journey 2085 command higher prices due to modern features and lower maintenance needs. Factors affecting price include:

• Condition: Clean hulls, solid decks, and reliable engines increase value.
• Upgrades: New furniture, electronics, and wiring add significant value.
• Location: Prices vary by region, with coastal areas like Philadelphia often commanding higher prices due to demand.

Sample Accessory Pricing Table

Why Choose a Grumman Pontoon Boat?

Grumman pontoon boats offer a compelling mix of durability, affordability, and versatility. The 1989 24ft model, with its extensive upgrades, is ideal for budget-conscious buyers seeking a fishing or crabbing platform. The 2016 Journey 2085 appeals to those wanting modern features and less maintenance. Both models benefit from Grumman’s lightweight aluminum construction, making them easy to tow and fuel-efficient. For shallow-water exploration, fishing, or leisurely cruises, these boats deliver reliable performance when properly maintained.

Conclusion

Grumman pontoon boats, whether a restored 1989 24ft model or a newer 2016 Journey 2085, offer a robust and versatile boating experience. The 1989 model, priced around $5,100, provides excellent value for those willing to address minor engine and trailer issues. The Journey 2085, at $15,000-$25,000, offers modern amenities for a higher investment. By understanding their features, maintenance needs, and market value, you can choose the right Grumman pontoon boat for your adventures on the water.

Happy Boating!

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