Seaswirl 1952 Bay Boat O/B 2007 boat specs
Seaswirl
Seaswirl 1952 Bay Boat O/B 2007
2007
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VS
Seaswirl 237 Deck Boat I/O 2007 boat specs
Seaswirl
Seaswirl 237 Deck Boat I/O 2007
2007
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Seaswirl 1952 Bay Boat O/B 2007 vs Seaswirl 237 Deck Boat I/O 2007 — Same Brand, Different Boat

The Seaswirl 1952 Bay Boat O/B 2007 vs Seaswirl 237 Deck Boat 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.

The power gap is worth calling out. Rated to 320 hp, the Seaswirl 237 Deck Boat I/O 2007 has a 170-hp advantage over the Seaswirl 1952 Bay Boat O/B 2007's 150-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 237 Deck Boat I/O 2007 carries 61 gallons versus 54 gallons in the Seaswirl 1952 Bay Boat 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 237 Deck Boat I/O 2007 is rated for 7 passengers, while the Seaswirl 1952 Bay Boat 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 237 Deck Boat I/O 2007 could be the deciding factor.

Bottom line: Choose the Seaswirl 237 Deck Boat I/O 2007 if your priority is putting more people on the water — it handles 7 passengers and at 23,0 ft it has the deck room to back that rating up comfortably. The Seaswirl 1952 Bay Boat 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
Model1952 Bay Boat O/B
Model237 Deck Boat I/O
Model Year2007
Model Year2007
Measurements / Dimensions
Beam102 in
Beam102 in
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Bridge clearance - Detail66 in
Bridge clearance - Detailnot available
Bridge clearance - Meters1.68
Bridge clearance - Metersnot available
Bridge clearance - Inches66
Bridge clearance - Inchesnot available
Deadrise14℃
Deadrise16℃
Draft [drive up] - Detail10 in
Draft [drive up] - Detailnot available
Draft [drive up] meters0.25
Draft [drive up] metersnot available
Draft [drive up] inches1
Draft [drive up] inchesnot available
Draft [max] - Detail15 in
Draft [max] - Detail33 in
Draft [max] - Meters0.38
Draft [max] - Meters0.84
Draft [max] - Inches15
Draft [max] - Inches33
Length - Feet19
Length - Feet23
Length - Inches6
Length - Inches3
Length overall - Detail19 ft. 6 in
Length overall - Detail23 ft. 3 in
Length overall - Meters5.94
Length overall - Meters7.09
Length overall - Inches234
Length overall - Inches279
Weight - Detailnot available
Weight - Detail3,900 lbs. w/ standard engine
Weight - kgnot available
Weight - kg1769.01
Weight - lbs.not available
Weight - lbs.39
Engine and Drivetrain
Engine/s standardYamaha F115 TXR - 4-stroke
Engine/s standardVolvo 5.0 GXi
Fuel tank capacity - Detail54 gal
Fuel tank capacity - Detail61 gal
Fuel tank capacity - Liters204.41
Fuel tank capacity - Liters230.91
Fuel tank capacity - Gal54
Fuel tank capacity - Gal61
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeI/O
Engine max150 hp
Engine max320 hp Standard: 220 hp
Operational Info
Maximum capacity1,500 lbs
Maximum capacity2,225 lbs
Body / Hull
Hull materialnot available
Hull materialFiberglass

Seaswirl 1952 Bay Boat O/B 2007 vs Seaswirl 237 Deck Boat I/O 2007 — Common Questions

Which is the larger boat — the Seaswirl 1952 Bay Boat O/B 2007 or the Seaswirl 237 Deck Boat I/O 2007?
The Seaswirl 237 Deck Boat I/O 2007 is the longer of the two at 23,0 feet overall. The Seaswirl 1952 Bay Boat O/B 2007 comes in at 19,0 feet, making it roughly 4,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which boat can handle a bigger outboard?
The Seaswirl 237 Deck Boat I/O 2007 is rated to a maximum of 320 hp, giving it the larger power ceiling. The Seaswirl 1952 Bay Boat O/B 2007 tops out at 150 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 1952 Bay Boat O/B 2007 is Coast Guard rated for 5 passengers, while the Seaswirl 237 Deck Boat I/O 2007 is certified for 7. 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 Seaswirl 1952 Bay Boat O/B 2007 and Seaswirl 237 Deck Boat I/O 2007 share an 102 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.
Which boat has the larger fuel tank — the Seaswirl 1952 Bay Boat O/B 2007 or the Seaswirl 237 Deck Boat I/O 2007?
The Seaswirl 237 Deck Boat I/O 2007 has the bigger tank at 61 gallons, versus 54 gallons on the Seaswirl 1952 Bay Boat O/B 2007. That 7-gallon difference translates to roughly 21–35 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Seaswirl 1952 Bay Boat O/B 2007 and Seaswirl 237 Deck Boat I/O 2007 from the same manufacturer?
Yes — both the Seaswirl 1952 Bay Boat O/B 2007 and the Seaswirl 237 Deck Boat 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.