Cobia Boats 21 Bay SE 2010 boat specs
Cobia Boats
Cobia Boats 21 Bay SE 2010
2010
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VS
Cobia Boats 21 Bay SE 2011 boat specs
Cobia Boats
Cobia Boats 21 Bay SE 2011
2011
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Cobia Boats 21 Bay SE 2010 vs Cobia Boats 21 Bay SE 2011 — A Close Look at Two Modified Vees

When two boats share the same hull type — in this case both the Cobia Boats 21 Bay SE 2010 and the Cobia Boats 21 Bay SE 2011 are modified vee designs with fiberglass construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?

On paper these two are close siblings in the size department — Cobia Boats 21 Bay SE 2010 at 21,1 ft versus Cobia Boats 21 Bay SE 2011 at 21,1 ft. At 205 lbs and 205 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.

Both boats share a closely matched power ceiling — 200 hp for the Cobia Boats 21 Bay SE 2010 and 200 hp for the Cobia Boats 21 Bay SE 2011. 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. Both carry nearly identical fuel loads — 6 gal and 6 gal — so range won't be a tiebreaker here.

Both boats are rated for 6 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.

Bottom line: The Cobia Boats 21 Bay SE 2010 and Cobia Boats 21 Bay SE 2011 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
MakeCobia Boats
MakeCobia Boats
Model21 Bay SE
Model21 Bay SE
Model Year201
Model Year2011
Measurements / Dimensions
Beam8 ft. 4 in
Beam8 ft. 4 in
Beam - Meters2.54
Beam - Meters2.54
Beam - Inches1
Beam - Inches1
Deadrise15℃
Deadrise15℃
Draft [max] - Detail13 in
Draft [max] - Detail13 in
Draft [max] - Meters0.33
Draft [max] - Meters0.33
Draft [max] - Inches13
Draft [max] - Inches13
Weight - Detail2,050 lbs. (without engine)
Weight - Detail2,050 lbs. (approximate without engine)
Weight - kg929.86
Weight - kg929.86
Weight - lbs.205
Weight - lbs.205
Height [transom]25 in
Height [transom]25 in
Length - Feet21.08
Length - Feet21.08
Length overall - Detail21 ft. 1 in
Length overall - Detail21 ft. 1 in
Length overall - Meters6.43
Length overall - Meters6.43
Length overall - Inches253
Length overall - Inches253
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeModified Vee
Hull typeModified Vee
Engine and Drivetrain
Engine makeYamaha
Engine makenot available
Engine modelF15
Engine modelnot available
Fuel tank capacity - Detail60 gal
Fuel tank capacity - Detail60 gal
Fuel tank capacity - Liters227.12
Fuel tank capacity - Liters227.12
Fuel tank capacity - Gal6
Fuel tank capacity - Gal6
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max200 hp
Engine max200 hp

Cobia Boats 21 Bay SE 2010 vs Cobia Boats 21 Bay SE 2011 — Common Questions

Which is the larger boat — the Cobia Boats 21 Bay SE 2010 or the Cobia Boats 21 Bay SE 2011?
The Cobia Boats 21 Bay SE 2011 is the longer of the two at 21,1 feet overall. The Cobia Boats 21 Bay SE 2010 comes in at 21,1 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 Cobia Boats 21 Bay SE 2010 or the Cobia Boats 21 Bay SE 2011?
For trailering, the Cobia Boats 21 Bay SE 2011 has the edge at 205 lbs dry weight versus 205 lbs for the Cobia Boats 21 Bay SE 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 Cobia Boats 21 Bay SE 2010 is Coast Guard rated for 6 passengers, while the Cobia Boats 21 Bay SE 2011 is certified for 6. 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 Cobia Boats 21 Bay SE 2010 and Cobia Boats 21 Bay SE 2011 share an 8 ft. 4 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.
How do the fuel tanks compare on the Cobia Boats 21 Bay SE 2010 and Cobia Boats 21 Bay SE 2011?
Both boats carry similar fuel loads — 6 gallons and 6 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Cobia Boats 21 Bay SE 2010 and Cobia Boats 21 Bay SE 2011 from the same manufacturer?
Yes — both the Cobia Boats 21 Bay SE 2010 and the Cobia Boats 21 Bay SE 2011 are built by Cobia Boats. 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.