Marathon Grumman Heritage 2385CP 2010 boat specs
Marathon
Marathon Grumman Heritage 2385CP 2010
2010
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VS
Marathon Grumman Heritage 2385CSP 2011 boat specs
Marathon
Marathon Grumman Heritage 2385CSP 2011
2011
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Marathon Grumman Heritage 2385CP 2010 vs Marathon Grumman Heritage 2385CSP 2011 — A Close Look at Two Pontoons

When two boats share the same hull type — in this case both the Marathon Grumman Heritage 2385CP 2010 and the Marathon Grumman Heritage 2385CSP 2011 are pontoon designs with aluminum construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?

On paper these two are close siblings in the size department — Marathon Grumman Heritage 2385CP 2010 at 23,0 ft versus Marathon Grumman Heritage 2385CSP 2011 at 23,0 ft. At 2 045 lbs and 2 045 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.

Both boats share a closely matched power ceiling — 115 hp for the Marathon Grumman Heritage 2385CP 2010 and 115 hp for the Marathon Grumman Heritage 2385CSP 2011. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Both carry nearly identical fuel loads — 25 gal and 25 gal — so range won't be a tiebreaker here.

Both boats are rated for 14 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.

One place where both boats are genuinely identical is tube construction: both run 2 aluminum tubes at 25" diameter. That shared spec means stability and buoyancy characteristics are closely matched — the ride difference you'll feel between them comes primarily from deck length, weight distribution, and motor choice.

Bottom line: The Marathon Grumman Heritage 2385CP 2010 and Marathon Grumman Heritage 2385CSP 2011 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.
General Boat Info
MakeMarathon
MakeMarathon
ModelGrumman Heritage 2385CP
ModelGrumman Heritage 2385CSP
Model Year201
Model Year2011
Measurements / Dimensions
Beam8.5 ft. deck width
Beam8.5 ft. deck width
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Weight - Detail2,045 lbs
Weight - Detail2,045 lbs
Weight - kg927.6
Weight - kg927.6
Weight - lbs.2045
Weight - lbs.2045
Length - Feet23
Length - Feet23
Length overall - Detail23 ft
Length overall - Detail23 ft
Length overall - Meters7.01
Length overall - Meters7.01
Length overall - Inches276
Length overall - Inches276
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull typePontoon
Hull typePontoon
Pontoon and Inflatable Specific
Tube diameter25 in
Tube diameter25 in
Tube gauge0.090 in
Tube gauge0.090 in
Number of tubes2
Number of tubes2
Engine and Drivetrain
Fuel tank capacity - Detail25 gal
Fuel tank capacity - Detail25 gal
Fuel tank capacity - Liters94.64
Fuel tank capacity - Liters94.64
Fuel tank capacity - Gal25
Fuel tank capacity - Gal25
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max115 hp
Engine max115 hp
Operational Info
Maximum capacity2,800 lbs
Maximum capacity2,800 lbs
Maximum people14 / 1,943 lbs
Maximum people14 / 1,943 lbs

Marathon Grumman Heritage 2385CP 2010 vs Marathon Grumman Heritage 2385CSP 2011 — Common Questions

Which is the larger boat — the Marathon Grumman Heritage 2385CP 2010 or the Marathon Grumman Heritage 2385CSP 2011?
The Marathon Grumman Heritage 2385CSP 2011 is the longer of the two at 23,0 feet overall. The Marathon Grumman Heritage 2385CP 2010 comes in at 23,0 feet, making it roughly 0,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Marathon Grumman Heritage 2385CP 2010 or the Marathon Grumman Heritage 2385CSP 2011?
For trailering, the Marathon Grumman Heritage 2385CSP 2011 has the edge at 2 045 lbs dry weight versus 2 045 lbs for the Marathon Grumman Heritage 2385CP 2010. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
How many people can each boat hold?
The Marathon Grumman Heritage 2385CP 2010 is Coast Guard rated for 14 passengers, while the Marathon Grumman Heritage 2385CSP 2011 is certified for 14. Note that legal capacity and comfortable capacity aren't always the same thing — on a full day out, most experienced boaters aim for about 80% of the rated number to keep things comfortable.
Do these boats require an oversize trailer permit to tow on US highways?
Both the Marathon Grumman Heritage 2385CP 2010 and Marathon Grumman Heritage 2385CSP 2011 share an 8.5 ft. deck width beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.
How do the fuel tanks compare on the Marathon Grumman Heritage 2385CP 2010 and Marathon Grumman Heritage 2385CSP 2011?
Both boats carry similar fuel loads — 25 gallons and 25 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Marathon Grumman Heritage 2385CP 2010 and Marathon Grumman Heritage 2385CSP 2011 from the same manufacturer?
Yes — both the Marathon Grumman Heritage 2385CP 2010 and the Marathon Grumman Heritage 2385CSP 2011 are built by Marathon. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.