Seaswirl 1952 Bay Boat O/B 2007 vs Seaswirl 237 Deck Boat I/O 2006 - Boat Spec Comparison

Q: Which is the larger boat — the Seaswirl 1952 Bay Boat O/B 2007 or the Seaswirl 237 Deck Boat I/O 2006?

The Seaswirl 237 Deck Boat I/O 2006 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.

Q: Which boat can handle a bigger outboard?

The Seaswirl 237 Deck Boat I/O 2006 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.

Q: 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 2006 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.

Q: 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 2006 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.

Q: Which boat has the larger fuel tank — the Seaswirl 1952 Bay Boat O/B 2007 or the Seaswirl 237 Deck Boat I/O 2006?

The Seaswirl 237 Deck Boat I/O 2006 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.

Q: Are the Seaswirl 1952 Bay Boat O/B 2007 and Seaswirl 237 Deck Boat I/O 2006 from the same manufacturer?

Yes — both the Seaswirl 1952 Bay Boat O/B 2007 and the Seaswirl 237 Deck Boat I/O 2006 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.

Boat Comparison

Seaswirl 1952 Bay Boat O/B 2007 vs Seaswirl 237 Deck Boat I/O 2006

Seaswirl

Seaswirl 1952 Bay Boat O/B 2007

2007

View full specs →

Seaswirl

Seaswirl 237 Deck Boat I/O 2006

2006

View full specs →

Detailed Evaluation & Buyer Recommendation

Seaswirl 1952 Bay Boat O/B 2007 vs Seaswirl 237 Deck Boat I/O 2006 — Same Brand, Different Boat

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

The power gap is worth calling out. Rated to 320 hp, the Seaswirl 237 Deck Boat I/O 2006 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 2006 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 2006 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 2006 could be the deciding factor.

Bottom line: Choose the Seaswirl 237 Deck Boat I/O 2006 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

Model1952 Bay Boat O/B

Model237 Deck Boat I/O

Model Year2007

Model Year2006

Measurements / Dimensions

Beam102 in

Beam102 in. (2.59 m)

Beam - Meters2.59

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. (.84 m)

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. (7.09 m)

Length overall - Meters5.94

Length overall - Meters7.09

Length overall - Inches234

Length overall - Inches279

Weight - Detailnot available

Weight - Detailw/ standard engine: 3,900 lbs. (1,769 kg)

Weight - kgnot available

Weight - kg1769.01

Weight - lbs.not available

Weight - lbs.39

Length - Metersnot available

Length - Meters7.09

Engine and Drivetrain

Engine/s standardYamaha F115 TXR - 4-stroke

Engine/s standardnot available

Fuel tank capacity - Detail54 gal

Fuel tank capacity - Detail61 gal. (231 l)

Fuel tank capacity - Liters204.41

Fuel tank capacity - Liters230.91

Fuel tank capacity - Gal54

Fuel tank capacity - Gal61

Fuel typeGas

Drive typeOutboard

Drive typeI/O

Engine max150 hp

Engine max320 hp (239 kw) Standard: 220 hp (164 kw)

Operational Info

Maximum capacity1,500 lbs

Maximum capacity2,225 lbs. (1,009 kg)

Seaswirl 1952 Bay Boat O/B 2007 vs Seaswirl 237 Deck Boat I/O 2006 — Common Questions

Which is the larger boat — the Seaswirl 1952 Bay Boat O/B 2007 or the Seaswirl 237 Deck Boat I/O 2006?

The Seaswirl 237 Deck Boat I/O 2006 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 2006 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 2006 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 2006 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 2006?

The Seaswirl 237 Deck Boat I/O 2006 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 2006 from the same manufacturer?

Yes — both the Seaswirl 1952 Bay Boat O/B 2007 and the Seaswirl 237 Deck Boat I/O 2006 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.

← Seaswirl 1952 Bay Boat O/B 2007 full specs ← Seaswirl 237 Deck Boat I/O 2006 full specs