Detailed Evaluation & Buyer Recommendation
Harris Flotebote Grand Mariner SEL 250 2010 vs Harris Flotebote Royal Heritage 270 2011 — A Close Look at Two Pontoons
When two boats share the same hull type — in this case both the Harris Flotebote Grand Mariner SEL 250 2010 and the Harris Flotebote Royal Heritage 270 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 SEL 250 2010 at 25,0 ft versus Harris Flotebote Royal Heritage 270 2011 at 27,0 ft. Weight tells a clearer story for trailering families: the Harris Flotebote Royal Heritage 270 2011 tips the scales at 3 705 lbs — 3 250 lbs less than the Harris Flotebote Grand Mariner SEL 250 2010 at 455 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 SEL 250 2010 carries a rated maximum of 425 hp. Engine data for the Harris Flotebote Royal Heritage 270 2011 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Harris Flotebote Grand Mariner SEL 250 2010 carries 81 gallons versus 5 gallons in the Harris Flotebote Royal Heritage 270 2011. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
For family outings this is probably the sharpest distinction between the two. The Harris Flotebote Royal Heritage 270 2011 is rated for 16 passengers, while the Harris Flotebote Grand Mariner SEL 250 2010 caps at 15. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Harris Flotebote Royal Heritage 270 2011 could be the deciding factor.
Bottom line: Choose the Harris Flotebote Royal Heritage 270 2011 if your priority is putting more people on the water — it handles 16 passengers and at 27,0 ft it has the deck room to back that rating up comfortably. The Harris Flotebote Grand Mariner SEL 250 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 15 that costs less to run day-to-day.
General Boat Info
MakeHarris Flotebote
MakeHarris Flotebote
ModelGrand Mariner SEL 25
ModelRoyal Heritage 27
Model Year201
Model Year2011
Measurements / Dimensions
Beam8 ft. 6 in
Beam8 ft. 6 in
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Bridge clearance - Detail62 in
Bridge clearance - Detail62 in
Bridge clearance - Meters1.57
Bridge clearance - Meters1.57
Bridge clearance - Inches62
Bridge clearance - Inches62
Draft [drive up] - Detail13 in
Draft [drive up] - Detail13 in
Draft [drive up] meters0.33
Draft [drive up] meters0.33
Draft [drive up] inches13
Draft [drive up] inches13
Draft [max] - Detail30 in
Draft [max] - Detail22 in
Draft [max] - Meters0.76
Draft [max] - Meters0.56
Draft [max] - Inches3
Draft [max] - Inches22
Weight - Detail3,537 lbs. Performance III Package: 4,550 lbs
Weight - Detail3,390 lbs. Performance III Package: 3,705 lbs
Weight - kg2063.84
Weight - kg1680.56
Weight - lbs.455
Weight - lbs.3705
Length - Feet25
Length - Feet27
Length overall - Detail27 ft. 4 in. Pontoon: 25 ft
Length overall - Detail28 ft. 8 in. Pontoon: 27 ft
Length overall - Meters8.33
Length overall - Meters8.74
Length overall - Inches328
Length overall - Inches344
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull typePontoon
Hull typePontoon
Pontoon and Inflatable Specific
Tube diameter25 in
Tube diameter25 in
Engine and Drivetrain
Engine makeMercruiser
Engine makenot available
Engine model4.3 l MPI B3
Engine modelnot available
Engine/s standard220 hp
Engine/s standard175 hp with 25 in. tubes Performance III Package: 300 hp
Fuel tank capacity - Detail31 gal. Performance III Package: 81 gal
Fuel tank capacity - Detail31 gal. Performance III Package: 50 gal. XTR Package: 45 gal
Fuel tank capacity - Liters306.62
Fuel tank capacity - Liters189.27
Fuel tank capacity - Gal81
Fuel tank capacity - Gal5
Drive typeInboard
Drive typeOutboard
Engine max425 hp
Engine maxnot available
Operational Info
Maximum capacityPerformance III Package: 2,182 lbs
Maximum capacity2,836 lbs. Performance III Package: 3,351 lbs
Maximum peoplePerformance III Package: 15
Maximum people16 Performance III Package: 18