Detailed Evaluation & Buyer Recommendation
Marathon DN 1236 Jon 2012 vs Marathon Grumman Heritage 2385CSP 2011 — Same Brand, Different Boat
Matching a flat Marathon DN 1236 Jon 2012 against a pontoon Marathon Grumman Heritage 2385CSP 2011 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.
Size is the most obvious dividing line here. The Marathon Grumman Heritage 2385CSP 2011 measures 23,0 feet overall (2011), giving it roughly 11,0 additional feet of deck space compared to the Marathon DN 1236 Jon 2012 at 12,0 feet (2012). Weight tells a clearer story for trailering families: the Marathon Grumman Heritage 2385CSP 2011 tips the scales at 2 045 lbs — 2 034 lbs less than the Marathon DN 1236 Jon 2012 at 11 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.
The power gap is worth calling out. Rated to 115 hp, the Marathon Grumman Heritage 2385CSP 2011 has a 108-hp advantage over the Marathon DN 1236 Jon 2012's 7-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
For family outings this is probably the sharpest distinction between the two. The Marathon Grumman Heritage 2385CSP 2011 is rated for 14 passengers, while the Marathon DN 1236 Jon 2012 caps at 3. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Marathon Grumman Heritage 2385CSP 2011 could be the deciding factor.
Bottom line: Choose the Marathon Grumman Heritage 2385CSP 2011 if your priority is putting more people on the water — it handles 14 passengers and at 23,0 ft it has the deck room to back that rating up comfortably. The Marathon DN 1236 Jon 2012 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 3 that costs less to run day-to-day.
General Boat Info
ModelDN 1236 Jon
ModelGrumman Heritage 2385CSP
Model Year2012
Model Year2011
Measurements / Dimensions
Depth - Detail14 in
Depth - Detailnot available
Depth - Centimeters35.56
Depth - Centimetersnot available
Depth - Inches14
Depth - Inchesnot available
Weight - Detail110 lbs
Weight - Detail2,045 lbs
Weight - kg49.9
Weight - kg927.6
Weight - lbs.11
Weight - lbs.2045
Width [transom] - Detail53 in. 51 in. width at center seat
Width [transom] - Detailnot available
Height [transom]15 in
Height [transom]not available
Length - Feet12
Length - Feet23
Length overall - Detail12 ft
Length overall - Detail23 ft
Length overall - Meters3.66
Length overall - Meters7.01
Length overall - Inches144
Length overall - Inches276
Beamnot available
Beam8.5 ft. deck width
Beam - Metersnot available
Beam - Meters2.59
Beam - Inchesnot available
Beam - Inches102
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.050 in
Hull thicknessnot available
Hull typeFlat
Hull typePontoon
Engine and Drivetrain
Drive typeOutboard
Drive typeOutboard
Engine max7 hp
Engine max115 hp
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail25 gal
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters94.64
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal25
Operational Info
Maximum people3 / 506 lbs
Maximum people14 / 1,943 lbs
Maximum capacitynot available
Maximum capacity2,800 lbs
Pontoon and Inflatable Specific
Tube diameternot available
Tube diameter25 in
Tube gaugenot available
Tube gauge0.090 in
Number of tubesnot available
Number of tubes2