Mariah SC23 Cuddy Cabin 2006 boat specs
Mariah
Mariah SC23 Cuddy Cabin 2006
2006
View full specs →
VS
Mariah SX21 2010 boat specs
Mariah
Mariah SX21 2010
2010
View full specs →

Mariah SC23 Cuddy Cabin 2006 vs Mariah SX21 2010 — Same Brand, Different Boat

The Mariah SC23 Cuddy Cabin 2006 vs Mariah SX21 2010 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.

On paper these two are close siblings in the size department — Mariah SC23 Cuddy Cabin 2006 at 23,0 ft versus Mariah SX21 2010 at 20,8 ft. At 42 lbs and 36 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.

The power gap is worth calling out. Rated to 300 hp, the Mariah SC23 Cuddy Cabin 2006 has a 30-hp advantage over the Mariah SX21 2010's 270-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Mariah SC23 Cuddy Cabin 2006 carries 57 gallons versus 44 gallons in the Mariah SX21 2010. 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 Mariah SC23 Cuddy Cabin 2006 is rated for 12 passengers, while the Mariah SX21 2010 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Mariah SC23 Cuddy Cabin 2006 could be the deciding factor.

Bottom line: Choose the Mariah SC23 Cuddy Cabin 2006 if your priority is putting more people on the water — it handles 12 passengers and at 23,0 ft it has the deck room to back that rating up comfortably. The Mariah SX21 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 1 that costs less to run day-to-day.
General Boat Info
MakeMariah
MakeMariah
ModelSC23 Cuddy Cabin
ModelSX21
Model Year2006
Model Year201
Measurements / Dimensions
Beam8 ft. 6 in. (2.6 m)
Beam8 ft. 6 in. (2.6 m)
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Deadrise21℃
Deadrise20℃
Weight - Detail4,200 lbs. (1,905 kg)
Weight - Detail3,000 lbs. (1,361 kg) Maximum: 3,600 lbs. (1,633 kg)
Weight - kg1905.09
Weight - kg1632.93
Weight - lbs.42
Weight - lbs.36
Length - Meters7
Length - Meters6.3
Length - Feet23
Length - Feet20.75
Length overall - Detail23 ft. 0 in. (7 m)
Length overall - Detail20 ft. 9 in. (6.3 m)
Length overall - Meters7.01
Length overall - Meters6.32
Length overall - Inches276
Length overall - Inches249
Engine and Drivetrain
Fuel tank capacity - Detail57 gal. (216 l)
Fuel tank capacity - Detail44 gal. (167 l)
Fuel tank capacity - Liters215.77
Fuel tank capacity - Liters166.56
Fuel tank capacity - Gal57
Fuel tank capacity - Gal44
Fuel typeGas
Fuel typeGas
Drive typeI/O
Drive typeI/O
Engine max300 hp (224 kW)
Engine max270 hp (201 kW)
Operational Info
Maximum capacity2,100 lbs. (953 kg)
Maximum capacity1,750 lbs. (794 kg)
Maximum people12
Maximum people1
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeModified Vee
Performance
Maximum speednot available
Maximum speed41-55 mph

Mariah SC23 Cuddy Cabin 2006 vs Mariah SX21 2010 — Common Questions

Which is the larger boat — the Mariah SC23 Cuddy Cabin 2006 or the Mariah SX21 2010?
The Mariah SC23 Cuddy Cabin 2006 is the longer of the two at 23,0 feet overall. The Mariah SX21 2010 comes in at 20,8 feet, making it roughly 2,3 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Mariah SC23 Cuddy Cabin 2006 or the Mariah SX21 2010?
For trailering, the Mariah SX21 2010 has the edge at 36 lbs dry weight versus 42 lbs for the Mariah SC23 Cuddy Cabin 2006. 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 Mariah SC23 Cuddy Cabin 2006 is rated to a maximum of 300 hp, giving it the larger power ceiling. The Mariah SX21 2010 tops out at 270 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 Mariah SC23 Cuddy Cabin 2006 is Coast Guard rated for 12 passengers, while the Mariah SX21 2010 is certified for 1. 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 Mariah SC23 Cuddy Cabin 2006 and Mariah SX21 2010 share an 8 ft. 6 in. (2.6 m) 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 Mariah SC23 Cuddy Cabin 2006 or the Mariah SX21 2010?
The Mariah SC23 Cuddy Cabin 2006 has the bigger tank at 57 gallons, versus 44 gallons on the Mariah SX21 2010. That 13-gallon difference translates to roughly 39–65 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Mariah SC23 Cuddy Cabin 2006 and Mariah SX21 2010 from the same manufacturer?
Yes — both the Mariah SC23 Cuddy Cabin 2006 and the Mariah SX21 2010 are built by Mariah. 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.