Harris Flotebote Grand Mariner SL 250 2013 boat specs
Harris Flotebote
Harris Flotebote Grand Mariner SL 250 2013
2013
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VS
Harris Flotebote Royal Heritage 250 2011 boat specs
Harris Flotebote
Harris Flotebote Royal Heritage 250 2011
2011
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Harris Flotebote Grand Mariner SL 250 2013 vs Harris Flotebote Royal Heritage 250 2011 — A Close Look at Two Pontoons

When two boats share the same hull type — in this case both the Harris Flotebote Grand Mariner SL 250 2013 and the Harris Flotebote Royal Heritage 250 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 — Harris Flotebote Grand Mariner SL 250 2013 at 26,8 ft versus Harris Flotebote Royal Heritage 250 2011 at 25,0 ft. Weight tells a clearer story for trailering families: the Harris Flotebote Grand Mariner SL 250 2013 tips the scales at 3 876 lbs — 552 lbs more than the Harris Flotebote Royal Heritage 250 2011 at 3 324 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 Harris Flotebote Grand Mariner SL 250 2013 carries a rated maximum of 2 hp. Engine data for the Harris Flotebote Royal Heritage 250 2011 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Both carry nearly identical fuel loads — 5 gal and 5 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Harris Flotebote Royal Heritage 250 2011 is rated for 14 passengers, while the Harris Flotebote Grand Mariner SL 250 2013 caps at 2. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Harris Flotebote Royal Heritage 250 2011 could be the deciding factor.

Bottom line: Choose the Harris Flotebote Royal Heritage 250 2011 if your priority is putting more people on the water — it handles 14 passengers and at 25,0 ft it has the deck room to back that rating up comfortably. The Harris Flotebote Grand Mariner SL 250 2013 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 2 that costs less to run day-to-day.
General Boat Info
MakeHarris Flotebote
MakeHarris Flotebote
ModelGrand Mariner SL 25
ModelRoyal Heritage 25
Model Year2013
Model Year2011
Measurements / Dimensions
Beam8 ft. 6 in. (2.6 m)
Beam8 ft. 6 in
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Weight - Detail2 Tubes: 3,578 lbs. (1,623 kg) 3 Tubes: 3,876 lbs. (1,758 kg)
Weight - Detail2,924 lbs. Performance III Package: 3,324 lbs
Weight - kg1758.12
Weight - kg1507.74
Weight - lbs.3876
Weight - lbs.3324
Length [at waterline]Log Length: 25 ft. (7.6 m)
Length [at waterline]not available
Length - Feet26.75
Length - Feet25
Length overall - Detail26 ft. 9 in. (8.2 m)
Length overall - Detail26 ft. 7 in. Pontoon: 25 ft
Length overall - Meters8.15
Length overall - Meters8.1
Length overall - Inches321
Length overall - Inches319
Bridge clearance - Detailnot available
Bridge clearance - Detail62 in
Bridge clearance - Metersnot available
Bridge clearance - Meters1.57
Bridge clearance - Inchesnot available
Bridge clearance - Inches62
Draft [drive up] - Detailnot available
Draft [drive up] - Detail13 in
Draft [drive up] metersnot available
Draft [drive up] meters0.33
Draft [drive up] inchesnot available
Draft [drive up] inches13
Draft [max] - Detailnot available
Draft [max] - Detail22 in
Draft [max] - Metersnot available
Draft [max] - Meters0.56
Draft [max] - Inchesnot available
Draft [max] - Inches22
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull typePontoon
Hull typePontoon
Pontoon and Inflatable Specific
Tube diameter25 in. (0.64 m)
Tube diameter25 in
Engine and Drivetrain
Fuel tank capacity - Detail2 Tubes: 32 gal. (121 l) 3 Tubes: 50 gal. (189 l)
Fuel tank capacity - Detail31 gal. Performance III Package: 50 gal. XTR Package: 45 gal
Fuel tank capacity - Liters189.27
Fuel tank capacity - Liters189.27
Fuel tank capacity - Gal5
Fuel tank capacity - Gal5
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Horsepower2 Tubes Max: 200 hp (149 kW) 3 Tubes Max: 300 hp (224 kW)
Horsepowernot available
Engine/s standardnot available
Engine/s standard175 hp with 25 in. tubes Performance III Package: 300 hp
Operational Info
Maximum capacity2 Tubes: 2,587 lbs. (1,173 kg) 3 Tubes: 2,907 lbs. (1,319 kg)
Maximum capacity2,543 lbs. Performance III Package: 2,966 lbs
Maximum people2 Tubes: 14 3 Tubes: 15
Maximum people14 Performance III Package: 16

Harris Flotebote Grand Mariner SL 250 2013 vs Harris Flotebote Royal Heritage 250 2011 — Common Questions

Which is the larger boat — the Harris Flotebote Grand Mariner SL 250 2013 or the Harris Flotebote Royal Heritage 250 2011?
The Harris Flotebote Grand Mariner SL 250 2013 is the longer of the two at 26,8 feet overall. The Harris Flotebote Royal Heritage 250 2011 comes in at 25,0 feet, making it roughly 1,8 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Harris Flotebote Grand Mariner SL 250 2013 or the Harris Flotebote Royal Heritage 250 2011?
For trailering, the Harris Flotebote Royal Heritage 250 2011 has the edge at 3 324 lbs dry weight versus 3 876 lbs for the Harris Flotebote Grand Mariner SL 250 2013. 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.
What is the maximum horsepower rating for these boats?
The Harris Flotebote Grand Mariner SL 250 2013 has a documented max rating of 2 hp. Engine specifications for the Harris Flotebote Royal Heritage 250 2011 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many people can each boat hold?
The Harris Flotebote Grand Mariner SL 250 2013 is Coast Guard rated for 2 passengers, while the Harris Flotebote Royal Heritage 250 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 Harris Flotebote Grand Mariner SL 250 2013 and Harris Flotebote Royal Heritage 250 2011 share an 8 ft. 6 in. (2.6 m) 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 Harris Flotebote Grand Mariner SL 250 2013 and Harris Flotebote Royal Heritage 250 2011?
Both boats carry similar fuel loads — 5 gallons and 5 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Harris Flotebote Grand Mariner SL 250 2013 and Harris Flotebote Royal Heritage 250 2011 from the same manufacturer?
Yes — both the Harris Flotebote Grand Mariner SL 250 2013 and the Harris Flotebote Royal Heritage 250 2011 are built by Harris Flotebote. 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.