Mariah FS20 2010 boat specs
Mariah
Mariah FS20 2010
2010
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VS
Mariah SC21 Cuddy Cabin 2006 boat specs
Mariah
Mariah SC21 Cuddy Cabin 2006
2006
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Mariah FS20 2010 vs Mariah SC21 Cuddy Cabin 2006 — Same Brand, Different Boat

The Mariah FS20 2010 vs Mariah SC21 Cuddy Cabin 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.

On paper these two are close siblings in the size department — Mariah FS20 2010 at 2,0 ft versus Mariah SC21 Cuddy Cabin 2006 at 2,0 ft. Weight tells a clearer story for trailering families: the Mariah FS20 2010 tips the scales at 355 lbs — 322 lbs more than the Mariah SC21 Cuddy Cabin 2006 at 33 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.

Both boats share a closely matched power ceiling — 260 hp for the Mariah FS20 2010 and 260 hp for the Mariah SC21 Cuddy Cabin 2006. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the Mariah SC21 Cuddy Cabin 2006 carries 44 gallons versus 38 gallons in the Mariah FS20 2010. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 1 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.

At this size, power-to-weight ratio matters more than outright horsepower. The Mariah SC21 Cuddy Cabin 2006 comes in at 0 lbs per hp versus 1 lbs per hp for the Mariah FS20 2010. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.

The Mariah FS20 2010 has a documented top speed of 41 mph. Speed data wasn't available for the other model.

Bottom line: The Mariah FS20 2010 and Mariah SC21 Cuddy Cabin 2006 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.
General Boat Info
MakeMariah
MakeMariah
ModelFS2
ModelSC21 Cuddy Cabin
Model Year201
Model Year2006
Measurements / Dimensions
Beam8 ft. 2 in. (2.5 m)
Beam8 ft. 6 in. (2.6 m)
Beam - Meters2.49
Beam - Meters2.59
Beam - Inches98
Beam - Inches102
Deadrise19℃
Deadrise20℃
Weight - Detail3,000 lbs. (1,361 kg) Maximum: 3,550 lbs. (1,610 kg)
Weight - Detail3,300 lbs. (1,497 kg)
Weight - kg1610.25
Weight - kg1496.85
Weight - lbs.355
Weight - lbs.33
Length - Meters6.1
Length - Meters6.3
Length - Feet2
Length - Feet2
Length overall - Detail20 ft. (6.1 m)
Length overall - Detail20 ft. 9 in. (6.3 m)
Length overall - Meters6.1
Length overall - Meters6.32
Length overall - Inches24
Length overall - Inches249
Length - Inchesnot available
Length - Inches9
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Fuel tank capacity - Detail38 gal. (144 l)
Fuel tank capacity - Detail44 gal. (167 l)
Fuel tank capacity - Liters143.85
Fuel tank capacity - Liters166.56
Fuel tank capacity - Gal38
Fuel tank capacity - Gal44
Fuel typeGas
Fuel typeGas
Drive typeI/O
Drive typeI/O
Engine max260 hp (194 kW)
Engine max260 hp (194 kW)
Performance
Maximum speed41-52 mph
Maximum speednot available
Operational Info
Maximum capacity1,590 lbs. (721 kg)
Maximum capacity1,750 lbs. (794 kg)
Maximum people1
Maximum people1

Mariah FS20 2010 vs Mariah SC21 Cuddy Cabin 2006 — Common Questions

Which is the larger boat — the Mariah FS20 2010 or the Mariah SC21 Cuddy Cabin 2006?
The Mariah SC21 Cuddy Cabin 2006 is the longer of the two at 2,0 feet overall. The Mariah FS20 2010 comes in at 2,0 feet, making it roughly 0,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Mariah FS20 2010 or the Mariah SC21 Cuddy Cabin 2006?
For trailering, the Mariah SC21 Cuddy Cabin 2006 has the edge at 33 lbs dry weight versus 355 lbs for the Mariah FS20 2010. 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.
How many people can each boat hold?
The Mariah FS20 2010 is Coast Guard rated for 1 passengers, while the Mariah SC21 Cuddy Cabin 2006 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.
Which boat has the better power-to-weight ratio?
The Mariah SC21 Cuddy Cabin 2006 has a better power-to-weight ratio at 0 lbs per hp compared to 1 lbs per hp for the Mariah FS20 2010. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.
Which boat is wider, and does it affect trailering?
The Mariah SC21 Cuddy Cabin 2006 measures 102" wide, compared to 98" for the Mariah FS20 2010. 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.
Which boat has the larger fuel tank — the Mariah FS20 2010 or the Mariah SC21 Cuddy Cabin 2006?
The Mariah SC21 Cuddy Cabin 2006 has the bigger tank at 44 gallons, versus 38 gallons on the Mariah FS20 2010. That 6-gallon difference translates to roughly 18–30 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Mariah FS20 2010 and Mariah SC21 Cuddy Cabin 2006 from the same manufacturer?
Yes — both the Mariah FS20 2010 and the Mariah SC21 Cuddy Cabin 2006 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.