Seaswirl 1851 Walk Around I/O 2006 vs Seaswirl 237 Deck Boat I/O 2006 - Boat Spec Comparison

Q: Which is the larger boat — the Seaswirl 1851 Walk Around I/O 2006 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 1851 Walk Around I/O 2006 comes in at 18,0 feet, making it roughly 5,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: What is the maximum horsepower rating for these boats?

The Seaswirl 237 Deck Boat I/O 2006 has a documented max rating of 320 hp. Engine specifications for the Seaswirl 1851 Walk Around I/O 2006 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.

Q: How many people can each boat hold?

The Seaswirl 1851 Walk Around I/O 2006 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: Which boat is wider, and does it affect trailering?

The Seaswirl 237 Deck Boat I/O 2006 measures 102" wide, compared to 9" for the Seaswirl 1851 Walk Around I/O 2006. 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.

Q: How do the fuel tanks compare on the Seaswirl 1851 Walk Around I/O 2006 and Seaswirl 237 Deck Boat I/O 2006?

Both boats carry similar fuel loads — 62 gallons and 61 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.

Q: Are the Seaswirl 1851 Walk Around I/O 2006 and Seaswirl 237 Deck Boat I/O 2006 from the same manufacturer?

Yes — both the Seaswirl 1851 Walk Around I/O 2006 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 1851 Walk Around I/O 2006 vs Seaswirl 237 Deck Boat I/O 2006

Seaswirl

Seaswirl 1851 Walk Around I/O 2006

2006

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Seaswirl

Seaswirl 237 Deck Boat I/O 2006

2006

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Detailed Evaluation & Buyer Recommendation

Seaswirl 1851 Walk Around I/O 2006 vs Seaswirl 237 Deck Boat I/O 2006 — Same Brand, Different Boat

The Seaswirl 1851 Walk Around I/O 2006 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 Seaswirl 237 Deck Boat I/O 2006 tops out at 320 hp. Engine specs for the Seaswirl 1851 Walk Around I/O 2006 aren't listed — confirm with a dealer before selecting an outboard.Both carry nearly identical fuel loads — 62 gal and 61 gal — so range won't be a tiebreaker here.

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 1851 Walk Around I/O 2006 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 1851 Walk Around I/O 2006 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

Model1851 Walk Around I/O

Model237 Deck Boat I/O

Model Year2006

Measurements / Dimensions

Beam90 in. (2.29 m)

Beam102 in. (2.59 m)

Beam - Meters2.29

Beam - Meters2.59

Beam - Inches9

Beam - Inches102

Deadrise20℃

Deadrise16℃

Length - Meters5.64

Length - Meters7.09

Length - Feet18

Length - Feet23

Length - Inches6

Length - Inches3

Length overall - Detail18 ft. 6 in. (5.64 m)

Length overall - Detail23 ft. 3 in. (7.09 m)

Length overall - Meters5.64

Length overall - Meters7.09

Length overall - Inches222

Length overall - Inches279

Draft [max] - Detailnot available

Draft [max] - Detail33 in. (.84 m)

Draft [max] - Metersnot available

Draft [max] - Meters0.84

Draft [max] - Inchesnot available

Draft [max] - Inches33

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

Engine and Drivetrain

Fuel tank capacity - Detail62 gal. (235 l)

Fuel tank capacity - Detail61 gal. (231 l)

Fuel tank capacity - Liters234.7

Fuel tank capacity - Liters230.91

Fuel tank capacity - Gal62

Fuel tank capacity - Gal61

Fuel typeGas

Drive typeI/O

Engine maxnot available

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

Operational Info

Maximum capacitynot available

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

Seaswirl 1851 Walk Around I/O 2006 vs Seaswirl 237 Deck Boat I/O 2006 — Common Questions

Which is the larger boat — the Seaswirl 1851 Walk Around I/O 2006 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 1851 Walk Around I/O 2006 comes in at 18,0 feet, making it roughly 5,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

What is the maximum horsepower rating for these boats?

The Seaswirl 237 Deck Boat I/O 2006 has a documented max rating of 320 hp. Engine specifications for the Seaswirl 1851 Walk Around I/O 2006 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 Seaswirl 1851 Walk Around I/O 2006 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.

Which boat is wider, and does it affect trailering?

The Seaswirl 237 Deck Boat I/O 2006 measures 102" wide, compared to 9" for the Seaswirl 1851 Walk Around I/O 2006. 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.

How do the fuel tanks compare on the Seaswirl 1851 Walk Around I/O 2006 and Seaswirl 237 Deck Boat I/O 2006?

Both boats carry similar fuel loads — 62 gallons and 61 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.

Are the Seaswirl 1851 Walk Around I/O 2006 and Seaswirl 237 Deck Boat I/O 2006 from the same manufacturer?

Yes — both the Seaswirl 1851 Walk Around I/O 2006 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 1851 Walk Around I/O 2006 full specs ← Seaswirl 237 Deck Boat I/O 2006 full specs