Matching a flat Marathon DN 1236 2013 against a pontoon Marathon Grumman Heritage 2185CPR 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 2185CPR 2011 measures 21,0 feet overall (2011), giving it roughly 9,0 additional feet of deck space compared to the Marathon DN 1236 2013 at 12,0 feet (2013). Weight tells a clearer story for trailering families: the Marathon Grumman Heritage 2185CPR 2011 tips the scales at 189 lbs — 178 lbs less than the Marathon DN 1236 2013 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 100 hp, the Marathon Grumman Heritage 2185CPR 2011 has a 93-hp advantage over the Marathon DN 1236 2013'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 2185CPR 2011 is rated for 12 passengers, while the Marathon DN 1236 2013 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 2185CPR 2011 could be the deciding factor.