Detailed Evaluation & Buyer Recommendation
Seaswirl 1851 Center Console O/B 2007 vs Seaswirl 237 Deck Boat I/O 2006 — Same Brand, Different Boat
The Seaswirl 1851 Center Console 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.
Size is the most obvious dividing line here. The Seaswirl 237 Deck Boat I/O 2006 measures 23,0 feet overall (2006), giving it roughly 5,0 additional feet of deck space compared to the Seaswirl 1851 Center Console O/B 2007 at 18,0 feet (2007). Weight tells a clearer story for trailering families: the Seaswirl 1851 Center Console O/B 2007 tips the scales at 245 lbs — 206 lbs more than the Seaswirl 237 Deck Boat I/O 2006 at 39 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 320 hp, the Seaswirl 237 Deck Boat I/O 2006 has a 145-hp advantage over the Seaswirl 1851 Center Console O/B 2007's 175-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. 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 Center Console 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 1851 Center Console 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
Model1851 Center Console O/B
Model237 Deck Boat I/O
Model Year2007
Model Year2006
Measurements / Dimensions
Beam90 in
Beam102 in. (2.59 m)
Beam - Meters2.29
Beam - Meters2.59
Beam - Inches9
Beam - Inches102
Bridge clearance - Detail70 in
Bridge clearance - Detailnot available
Bridge clearance - Meters1.78
Bridge clearance - Metersnot available
Bridge clearance - Inches7
Bridge clearance - Inchesnot available
Deadrise20℃
Deadrise16℃
Draft [drive up] - Detail14 in
Draft [drive up] - Detailnot available
Draft [drive up] meters0.36
Draft [drive up] metersnot available
Draft [drive up] inches14
Draft [drive up] inchesnot available
Draft [max] - Detail30 in
Draft [max] - Detail33 in. (.84 m)
Draft [max] - Meters0.76
Draft [max] - Meters0.84
Draft [max] - Inches3
Draft [max] - Inches33
Weight - Detail2,450 lbs. w/ standard engine
Weight - Detailw/ standard engine: 3,900 lbs. (1,769 kg)
Weight - kg1111.3
Weight - kg1769.01
Weight - lbs.245
Weight - lbs.39
Length - Feet18
Length - Feet23
Length - Inches6
Length - Inches3
Length overall - Detail18 ft. 6 in
Length overall - Detail23 ft. 3 in. (7.09 m)
Length overall - Meters5.64
Length overall - Meters7.09
Length overall - Inches222
Length overall - Inches279
Length - Metersnot available
Length - Meters7.09
Body / Hull
Hull materialFiberglass
Hull materialnot available
Engine and Drivetrain
Engine/s standardYamaha F115 TXR - 4-stroke
Engine/s standardnot available
Fuel tank capacity - Detail62 gal
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
Drive typeOutboard
Drive typeI/O
Engine max175 hp Standard: 115 hp
Engine max320 hp (239 kw) Standard: 220 hp (164 kw)
Operational Info
Maximum capacity1,900 lbs
Maximum capacity2,225 lbs. (1,009 kg)