Detailed Evaluation & Buyer Recommendation
Harris Flotebote Grand Mariner SL 250 (3-Tube) 2010 vs Harris Flotebote Super Sunliner 220 I/O 2006 — Same Brand, Different Boat
The Harris Flotebote Grand Mariner SL 250 (3-Tube) 2010 vs Harris Flotebote Super Sunliner 220 I/O 2006 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.
On paper these two are close siblings in the size department — Harris Flotebote Grand Mariner SL 250 (3-Tube) 2010 at 25,0 ft versus Harris Flotebote Super Sunliner 220 I/O 2006 at 22,0 ft. Weight tells a clearer story for trailering families: the Harris Flotebote Super Sunliner 220 I/O 2006 tips the scales at 3 175 lbs — 3 143 lbs less than the Harris Flotebote Grand Mariner SL 250 (3-Tube) 2010 at 32 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 300 hp, the Harris Flotebote Grand Mariner SL 250 (3-Tube) 2010 has a 75-hp advantage over the Harris Flotebote Super Sunliner 220 I/O 2006's 225-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 Harris Flotebote Grand Mariner SL 250 (3-Tube) 2010 is rated for 14 passengers, while the Harris Flotebote Super Sunliner 220 I/O 2006 caps at 13. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Harris Flotebote Grand Mariner SL 250 (3-Tube) 2010 could be the deciding factor.
Bottom line: Choose the Harris Flotebote Grand Mariner SL 250 (3-Tube) 2010 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 Super Sunliner 220 I/O 2006 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 13 that costs less to run day-to-day.
General Boat Info
MakeHarris Flotebote
MakeHarris Flotebote
ModelGrand Mariner SL 250 (3-Tube)
ModelSuper Sunliner 220 I/O
Model Year201
Model Year2006
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. (Bimini/stern light down) 112 in. (Walk-on top w/ stern light down)
Bridge clearance - Meters1.57
Bridge clearance - Meters2.84
Bridge clearance - Inches62
Bridge clearance - Inches112
Draft [drive up] - Detail13 in
Draft [drive up] - Detail14 in
Draft [drive up] meters0.33
Draft [drive up] meters0.36
Draft [drive up] inches13
Draft [drive up] inches14
Draft [max] - Detail21 in
Draft [max] - Detail23 in
Draft [max] - Meters0.53
Draft [max] - Meters0.58
Draft [max] - Inches21
Draft [max] - Inches23
Weight - Detail3,200 lbs. with Performance III Package
Weight - Detail3,175 lbs
Weight - kg1451.49
Weight - kg1440.15
Weight - lbs.32
Weight - lbs.3175
Length - Feet25
Length - Feet22
Length overall - Detail26 ft. 4 in. Pontoon: 25 ft
Length overall - Detail22 ft. 0 in
Length overall - Meters8.03
Length overall - Meters6.71
Length overall - Inches316
Length overall - Inches264
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull typePontoon
Hull typenot available
Pontoon and Inflatable Specific
Tube diameter25 in
Tube diameter25 in
Number of tubes3
Number of tubesnot available
Engine and Drivetrain
Fuel typeGas
Fuel typenot available
Drive typeOutboard
Drive typeI/O
Engine max300 hp
Engine max225 hp w/ Performance-III Package: 225 hp
Operational Info
Maximum capacity1,918 lbs. with Performance III Package
Maximum capacitynot available
Maximum people14 with Performance III Package
Maximum people13 w/ Performance-III Package: 15