Harris Flotebote Grand Mariner 250 SL 2011 boat specs
Harris Flotebote
Harris Flotebote Grand Mariner 250 SL 2011
2011
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VS
Harris Flotebote Solstice 270 2011 boat specs
Harris Flotebote
Harris Flotebote Solstice 270 2011
2011
View full specs →

Harris Flotebote Grand Mariner 250 SL 2011 vs Harris Flotebote Solstice 270 2011: A Close Look at Two Pontoon Boats

Both the Harris Flotebote Grand Mariner 250 SL 2011 and the Harris Flotebote Solstice 270 2011 are pontoon designs, both built in aluminium, so 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 250 SL 2011 at 25,0 ft versus Harris Flotebote Solstice 270 2011 at 27,0 ft. Weight tells a clearer story for trailering families: the Harris Flotebote Solstice 270 2011 tips the scales at 3 357 lbs - 137 lbs less than the Harris Flotebote Grand Mariner 250 SL 2011 at 3 220 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 Solstice 270 2011 tops out at 175 hp. Engine specs for the Harris Flotebote Grand Mariner 250 SL 2011 aren't listed - confirm with a dealer before selecting an outboard.Both carry nearly identical fuel loads - 50 gal and 50 gal - so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Harris Flotebote Grand Mariner 250 SL 2011 is rated for 13 passengers, while the Harris Flotebote Solstice 270 2011 caps at 12. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Harris Flotebote Grand Mariner 250 SL 2011 could be the deciding factor.

Bottom line: Choose the Harris Flotebote Grand Mariner 250 SL 2011 if your priority is putting more people on the water - it handles 13 passengers and at 25,0 ft it has the deck room to back that rating up comfortably. The Harris Flotebote Solstice 270 2011 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 12 that costs less to run day-to-day.
General Boat Info
MakeHarris Flotebote
MakeHarris Flotebote
ModelGrand Mariner 250 SL
ModelSolstice 270
Model Year2011
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] - Detail10 in.
Draft [drive up] meters0.33
Draft [drive up] meters0.25
Draft [drive up] inches13
Draft [drive up] inches10
Draft [max] - Detail21 in.
Draft [max] - Detail19 in.
Draft [max] - Meters0.53
Draft [max] - Meters0.48
Draft [max] - Inches21
Draft [max] - Inches19
Weight - Detail2,963 lbs. Performance III Package: 3,220 lbs.
Weight - Detail3,042 lbs. Performance III Package: 3,357 lbs.
Weight - kg1460.57
Weight - kg1522.71
Weight - lbs.3220
Weight - lbs.3357
Length - Feet25
Length - Feet27
Length overall - Detail26 ft. 4 in. Pontoon: 25 ft.
Length overall - Detail28 ft. 2 in. Pontoon: 27 ft.
Length overall - Meters8.03
Length overall - Meters8.59
Length overall - Inches316
Length overall - Inches338
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull typePontoon
Hull typePontoon
Pontoon and Inflatable Specific
Tube diameter25 in.
Tube diameter25 in.
Engine and Drivetrain
Engine/s standard175 hp with 25 in. tubes Performance III Package: 300 hp
Engine/s standardnot available
Fuel tank capacity - Detail24 gal. Performance III Package: 50 gal. XTR Package: 45 gal.
Fuel tank capacity - Detail24 gal. Performance III Package: 50 gal. XTR Package: 45 gal.
Fuel tank capacity - Liters189.27
Fuel tank capacity - Liters189.27
Fuel tank capacity - Gal50
Fuel tank capacity - Gal50
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Horsepowernot available
Horsepower175 hp with 25 in. tubes Performance III Package: 300 hp
Operational Info
Maximum capacity2,514 lbs. Performance III Package: 2,907 lbs.
Maximum capacity3,042 lbs. Performance III Package: 3,357 lbs
Maximum people13 Performance III Package: 15
Maximum people12 Performance III Package: 13

Harris Flotebote Grand Mariner 250 SL 2011 vs Harris Flotebote Solstice 270 2011 - Common Questions

Which is the larger boat - the Harris Flotebote Grand Mariner 250 SL 2011 or the Harris Flotebote Solstice 270 2011?
The Harris Flotebote Solstice 270 2011 is the longer of the two at 27,0 feet overall. The Harris Flotebote Grand Mariner 250 SL 2011 comes in at 25,0 feet, making it roughly 2,0 ft shorter - a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer - the Harris Flotebote Grand Mariner 250 SL 2011 or the Harris Flotebote Solstice 270 2011?
For trailering, the Harris Flotebote Grand Mariner 250 SL 2011 has the edge at 3 220 lbs dry weight versus 3 357 lbs for the Harris Flotebote Solstice 270 2011. 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 Solstice 270 2011 has a documented max rating of 175 hp. Engine specifications for the Harris Flotebote Grand Mariner 250 SL 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 250 SL 2011 is Coast Guard rated for 13 passengers, while the Harris Flotebote Solstice 270 2011 is certified for 12. 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 250 SL 2011 and Harris Flotebote Solstice 270 2011 share an 8 ft. 6 in. 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 250 SL 2011 and Harris Flotebote Solstice 270 2011?
Both boats carry similar fuel loads - 50 gallons and 50 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 250 SL 2011 and Harris Flotebote Solstice 270 2011 from the same manufacturer?
Yes - both the Harris Flotebote Grand Mariner 250 SL 2011 and the Harris Flotebote Solstice 270 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.