Harris Flotebote Grand Mariner 230 2012 boat specs
Harris Flotebote
Harris Flotebote Grand Mariner 230 2012
2012
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VS
Harris Flotebote Sunliner 220 2011 boat specs
Harris Flotebote
Harris Flotebote Sunliner 220 2011
2011
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Harris Flotebote Grand Mariner 230 2012 vs Harris Flotebote Sunliner 220 2011 — A Close Look at Two Pontoons

When two boats share the same hull type — in this case both the Harris Flotebote Grand Mariner 230 2012 and the Harris Flotebote Sunliner 220 2011 are pontoon designs with fiberglass 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 230 2012 at 25,0 ft versus Harris Flotebote Sunliner 220 2011 at 22,0 ft. Weight tells a clearer story for trailering families: the Harris Flotebote Grand Mariner 230 2012 tips the scales at 3 336 lbs — 3 310 lbs more than the Harris Flotebote Sunliner 220 2011 at 26 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 230 2012 carries a rated maximum of 2 hp. Engine data for the Harris Flotebote Sunliner 220 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 Sunliner 220 2011 is rated for 12 passengers, while the Harris Flotebote Grand Mariner 230 2012 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 Sunliner 220 2011 could be the deciding factor.

Bottom line: Choose the Harris Flotebote Sunliner 220 2011 if your priority is putting more people on the water — it handles 12 passengers and at 22,0 ft it has the deck room to back that rating up comfortably. The Harris Flotebote Grand Mariner 230 2012 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 23
ModelSunliner 22
Model Year2012
Model Year2011
Measurements / Dimensions
Beam8 ft. 6 in
Beam8 ft. 6 in
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Weight - Detail2 Tubes: 2,874 lbs. 3 Tubes: 3,336 lbs
Weight - Detail2,200 lbs. Performance III Package: 2,600 lbs
Weight - kg1513.18
Weight - kg1179.34
Weight - lbs.3336
Weight - lbs.26
Length - Feet25
Length - Feet22
Length overall - Detail25 ft. Pontoon Length: 23 ft
Length overall - Detail23 ft. 11 in. Pontoon: 22 ft
Length overall - Meters7.62
Length overall - Meters7.29
Length overall - Inches3
Length overall - Inches287
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] - Detail12 in
Draft [drive up] metersnot available
Draft [drive up] meters0.3
Draft [drive up] inchesnot available
Draft [drive up] inches12
Draft [max] - Detailnot available
Draft [max] - Detail21 in
Draft [max] - Metersnot available
Draft [max] - Meters0.53
Draft [max] - Inchesnot available
Draft [max] - Inches21
Body / Hull
Hull materialFiberglass
Hull materialAluminum
Hull typePontoon
Hull typePontoon
Pontoon and Inflatable Specific
Tube diameter25 in
Tube diameter25 in
Engine and Drivetrain
Fuel tank capacity - Detail2 Tubes: 31 gal. PIII: 50 gal. XTR: 45 gal
Fuel tank capacity - Detail31 gal. Performance III Package: 50 gal
Fuel tank capacity - Liters189.27
Fuel tank capacity - Liters189.27
Fuel tank capacity - Gal5
Fuel tank capacity - Gal5
Fuel typeGas
Fuel typeGas
Horsepower2 Tubes Max: 150 hp 3 Tubes Max: 225 hp
Horsepowernot available
Engine/s standardnot available
Engine/s standard150 hp with 25 in. tubes Performance III Package: 225 hp
Drive typenot available
Drive typeOutboard
Operational Info
Maximum capacity2 Tubes: 2,274 lbs. PIII Package: 2,578 lbs. XTR Package: 2,603 lbs
Maximum capacity2,350 lbs. Performance III Package: 2,678 lbs
Maximum people2 / PIII PIII 225 hp+ / XTR: 13 / 13
Maximum people12 Performance III Package: 14

Harris Flotebote Grand Mariner 230 2012 vs Harris Flotebote Sunliner 220 2011 — Common Questions

Which is the larger boat — the Harris Flotebote Grand Mariner 230 2012 or the Harris Flotebote Sunliner 220 2011?
The Harris Flotebote Grand Mariner 230 2012 is the longer of the two at 25,0 feet overall. The Harris Flotebote Sunliner 220 2011 comes in at 22,0 feet, making it roughly 3,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Harris Flotebote Grand Mariner 230 2012 or the Harris Flotebote Sunliner 220 2011?
For trailering, the Harris Flotebote Sunliner 220 2011 has the edge at 26 lbs dry weight versus 3 336 lbs for the Harris Flotebote Grand Mariner 230 2012. 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 230 2012 has a documented max rating of 2 hp. Engine specifications for the Harris Flotebote Sunliner 220 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 230 2012 is Coast Guard rated for 2 passengers, while the Harris Flotebote Sunliner 220 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 230 2012 and Harris Flotebote Sunliner 220 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 230 2012 and Harris Flotebote Sunliner 220 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 230 2012 and Harris Flotebote Sunliner 220 2011 from the same manufacturer?
Yes — both the Harris Flotebote Grand Mariner 230 2012 and the Harris Flotebote Sunliner 220 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.