Seaswirl 175 Fish-N-Ski O/B 2007 boat specs
Seaswirl
Seaswirl 175 Fish-N-Ski O/B 2007
2007
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Seaswirl 2901 Walk Around I/O 2007 boat specs
Seaswirl
Seaswirl 2901 Walk Around I/O 2007
2007
View full specs →

Seaswirl 175 Fish-N-Ski O/B 2007 vs Seaswirl 2901 Walk Around I/O 2007 — Same Brand, Different Boat

The Seaswirl 175 Fish-N-Ski O/B 2007 vs Seaswirl 2901 Walk Around I/O 2007 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.

Size is the most obvious dividing line here. The Seaswirl 2901 Walk Around I/O 2007 measures 29,0 feet overall (2007), giving it roughly 12,0 additional feet of deck space compared to the Seaswirl 175 Fish-N-Ski O/B 2007 at 17,0 feet (2007). Weight tells a clearer story for trailering families: the Seaswirl 2901 Walk Around I/O 2007 tips the scales at 1 035 lbs — 830 lbs less than the Seaswirl 175 Fish-N-Ski O/B 2007 at 205 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 640 hp, the Seaswirl 2901 Walk Around I/O 2007 has a 500-hp advantage over the Seaswirl 175 Fish-N-Ski O/B 2007's 140-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Seaswirl 2901 Walk Around I/O 2007 carries 217 gallons versus 23 gallons in the Seaswirl 175 Fish-N-Ski O/B 2007. 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 Seaswirl 2901 Walk Around I/O 2007 is rated for 9 passengers, while the Seaswirl 175 Fish-N-Ski O/B 2007 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Seaswirl 2901 Walk Around I/O 2007 could be the deciding factor.

Bottom line: Choose the Seaswirl 2901 Walk Around I/O 2007 if your priority is putting more people on the water — it handles 9 passengers and at 29,0 ft it has the deck room to back that rating up comfortably. The Seaswirl 175 Fish-N-Ski O/B 2007 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.
General Boat Info
MakeSeaswirl
MakeSeaswirl
Model175 Fish-N-Ski O/B
Model2901 Walk Around I/O
Model Year2007
Model Year2007
Measurements / Dimensions
Beam93 in
Beam125 in
Beam - Meters2.36
Beam - Meters3.18
Beam - Inches93
Beam - Inches125
Deadrise20℃
Deadrise20℃
Draft [max] - Detail30 in
Draft [max] - Detail33 in
Draft [max] - Meters0.76
Draft [max] - Meters0.84
Draft [max] - Inches3
Draft [max] - Inches33
Weight - Detail2,050 lbs. w/ standard engine
Weight - Detail10,350 lbs. w/ standard engine
Weight - kg929.86
Weight - kg4694.68
Weight - lbs.205
Weight - lbs.1035
Length - Feet17
Length - Feet29
Length - Inches4
Length - Inches8
Length overall - Detail17 ft. 4 in
Length overall - Detail29 ft. 8 in
Length overall - Meters5.28
Length overall - Meters9.04
Length overall - Inches208
Length overall - Inches356
Bridge clearance - Detailnot available
Bridge clearance - Detail111 in
Bridge clearance - Metersnot available
Bridge clearance - Meters2.82
Bridge clearance - Inchesnot available
Bridge clearance - Inches111
Draft [drive up] - Detailnot available
Draft [drive up] - Detail17 in
Draft [drive up] metersnot available
Draft [drive up] meters0.43
Draft [drive up] inchesnot available
Draft [drive up] inches17
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Engine and Drivetrain
Engine/s standardYamaha F115 TXR
Engine/s standardVolvo 5.0 GXi - 2 @ 270 hp
Fuel tank capacity - Detail23 gal
Fuel tank capacity - Detail217 gal
Fuel tank capacity - Liters87.06
Fuel tank capacity - Liters821.43
Fuel tank capacity - Gal23
Fuel tank capacity - Gal217
Fuel typeGas
Fuel typeGas or diesel
Drive typeOutboard
Drive typeI/O
Engine max140 hp Standard: 90 hp
Engine max640 hp Standard: 540 hp
Operational Info
Maximum capacity1,750 lbs
Maximum capacity4,400 lbs
Headroomnot available
Headroom6 ft. 5 in
Water capacitynot available
Water capacity29 gal
Holding tank capacity - Detailnot available
Holding tank capacity - Detail11 gal
Holding tank capacity - Litersnot available
Holding tank capacity - Liters41.64
Holding tank capacity - Galnot available
Holding tank capacity - Gal11

Seaswirl 175 Fish-N-Ski O/B 2007 vs Seaswirl 2901 Walk Around I/O 2007 — Common Questions

Which is the larger boat — the Seaswirl 175 Fish-N-Ski O/B 2007 or the Seaswirl 2901 Walk Around I/O 2007?
The Seaswirl 2901 Walk Around I/O 2007 is the longer of the two at 29,0 feet overall. The Seaswirl 175 Fish-N-Ski O/B 2007 comes in at 17,0 feet, making it roughly 12,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Seaswirl 175 Fish-N-Ski O/B 2007 or the Seaswirl 2901 Walk Around I/O 2007?
For trailering, the Seaswirl 175 Fish-N-Ski O/B 2007 has the edge at 205 lbs dry weight versus 1 035 lbs for the Seaswirl 2901 Walk Around I/O 2007. 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.
Which boat can handle a bigger outboard?
The Seaswirl 2901 Walk Around I/O 2007 is rated to a maximum of 640 hp, giving it the larger power ceiling. The Seaswirl 175 Fish-N-Ski O/B 2007 tops out at 140 hp. Keep in mind that maximum ratings are just that — matching the motor to the actual load and usage pattern usually matters more than chasing the ceiling.
How many people can each boat hold?
The Seaswirl 175 Fish-N-Ski O/B 2007 is Coast Guard rated for 5 passengers, while the Seaswirl 2901 Walk Around I/O 2007 is certified for 9. 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.
Which boat is wider, and does it affect trailering?
The Seaswirl 2901 Walk Around I/O 2007 measures 125" wide, compared to 93" for the Seaswirl 175 Fish-N-Ski O/B 2007. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.
Which boat has the larger fuel tank — the Seaswirl 175 Fish-N-Ski O/B 2007 or the Seaswirl 2901 Walk Around I/O 2007?
The Seaswirl 2901 Walk Around I/O 2007 has the bigger tank at 217 gallons, versus 23 gallons on the Seaswirl 175 Fish-N-Ski O/B 2007. That 194-gallon difference translates to roughly 582–970 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Seaswirl 175 Fish-N-Ski O/B 2007 and Seaswirl 2901 Walk Around I/O 2007 from the same manufacturer?
Yes — both the Seaswirl 175 Fish-N-Ski O/B 2007 and the Seaswirl 2901 Walk Around I/O 2007 are built by Seaswirl. 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.