Cobia Boats 186 CC 2007 vs Cobia Boats 21 Bay 2012 - Boat Spec Comparison

Q: Which is the larger boat — the Cobia Boats 186 CC 2007 or the Cobia Boats 21 Bay 2012?

The Cobia Boats 21 Bay 2012 is the longer of the two at 21,1 feet overall. The Cobia Boats 186 CC 2007 comes in at 18,0 feet, making it roughly 3,1 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: Which boat can handle a bigger outboard?

The Cobia Boats 21 Bay 2012 is rated to a maximum of 200 hp, giving it the larger power ceiling. The Cobia Boats 186 CC 2007 tops out at 90 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.

Q: How many people can each boat hold?

The Cobia Boats 186 CC 2007 is Coast Guard rated for 5 passengers, while the Cobia Boats 21 Bay 2012 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.

Q: Which boat is wider, and does it affect trailering?

The Cobia Boats 186 CC 2007 measures 87" wide, compared to 1" for the Cobia Boats 21 Bay 2012. 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: Which boat has the larger fuel tank — the Cobia Boats 186 CC 2007 or the Cobia Boats 21 Bay 2012?

The Cobia Boats 21 Bay 2012 has the bigger tank at 6 gallons, versus 3 gallons on the Cobia Boats 186 CC 2007. That 3-gallon difference translates to roughly 9–15 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Cobia Boats 186 CC 2007 and Cobia Boats 21 Bay 2012 from the same manufacturer?

Yes — both the Cobia Boats 186 CC 2007 and the Cobia Boats 21 Bay 2012 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.

Boat Comparison

Cobia Boats 186 CC 2007 vs Cobia Boats 21 Bay 2012

Cobia Boats

Cobia Boats 186 CC 2007

2007

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Cobia Boats

Cobia Boats 21 Bay 2012

2012

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Detailed Evaluation & Buyer Recommendation

Cobia Boats 186 CC 2007 vs Cobia Boats 21 Bay 2012 — Same Brand, Different Boat

The Cobia Boats 186 CC 2007 vs Cobia Boats 21 Bay 2012 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 power gap is worth calling out. Rated to 200 hp, the Cobia Boats 21 Bay 2012 has a 110-hp advantage over the Cobia Boats 186 CC 2007's 90-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 3 gal and 6 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Cobia Boats 186 CC 2007 is rated for 5 passengers, while the Cobia Boats 21 Bay 2012 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Cobia Boats 186 CC 2007 could be the deciding factor.

Bottom line: Choose the Cobia Boats 186 CC 2007 if your priority is putting more people on the water — it handles 5 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Cobia Boats 21 Bay 2012 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

MakeCobia Boats

Model186 CC

Model21 Bay

Model Year2007

Model Year2012

Measurements / Dimensions

Beam7 ft. 3 in

Beam8 ft. 4 in

Beam - Meters2.21

Beam - Meters2.54

Beam - Inches87

Beam - Inches1

Deadrise15℃

Length - Feet18

Length - Feet21.08

Length - Inches5

Length - Inchesnot available

Length overall - Detail18 ft. 5 in

Length overall - Detail21 ft. 1 in

Length overall - Meters5.61

Length overall - Meters6.43

Length overall - Inches221

Length overall - Inches253

Draft [max] - Detailnot available

Draft [max] - Detail13 in

Draft [max] - Metersnot available

Draft [max] - Meters0.33

Draft [max] - Inchesnot available

Draft [max] - Inches13

Weight - Detailnot available

Weight - Detail2,050 lbs. (approximate without engine)

Weight - kgnot available

Weight - kg929.86

Weight - lbs.not available

Weight - lbs.205

Height [transom]not available

Height [transom]25 in

Body / Hull

Hull materialFiberglass

Hull typenot available

Hull typeModified Vee

Engine and Drivetrain

Fuel tank capacity - Detail30 gal

Fuel tank capacity - Detail60 gal

Fuel tank capacity - Liters113.56

Fuel tank capacity - Liters227.12

Fuel tank capacity - Gal3

Fuel tank capacity - Gal6

Fuel typeGas

Drive typeOutboard

Engine max90 hp

Engine max200 hp

Operational Info

Maximum capacitynot available

Maximum capacity7

Maximum peoplenot available

Maximum people1,400 lbs

Cobia Boats 186 CC 2007 vs Cobia Boats 21 Bay 2012 — Common Questions

Which is the larger boat — the Cobia Boats 186 CC 2007 or the Cobia Boats 21 Bay 2012?

The Cobia Boats 21 Bay 2012 is the longer of the two at 21,1 feet overall. The Cobia Boats 186 CC 2007 comes in at 18,0 feet, making it roughly 3,1 ft shorter — a meaningful difference in deck room and overall on-water presence.

Which boat can handle a bigger outboard?

The Cobia Boats 21 Bay 2012 is rated to a maximum of 200 hp, giving it the larger power ceiling. The Cobia Boats 186 CC 2007 tops out at 90 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 Cobia Boats 186 CC 2007 is Coast Guard rated for 5 passengers, while the Cobia Boats 21 Bay 2012 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 is wider, and does it affect trailering?

The Cobia Boats 186 CC 2007 measures 87" wide, compared to 1" for the Cobia Boats 21 Bay 2012. 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 Cobia Boats 186 CC 2007 or the Cobia Boats 21 Bay 2012?

The Cobia Boats 21 Bay 2012 has the bigger tank at 6 gallons, versus 3 gallons on the Cobia Boats 186 CC 2007. That 3-gallon difference translates to roughly 9–15 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Cobia Boats 186 CC 2007 and Cobia Boats 21 Bay 2012 from the same manufacturer?

Yes — both the Cobia Boats 186 CC 2007 and the Cobia Boats 21 Bay 2012 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.

← Cobia Boats 186 CC 2007 full specs ← Cobia Boats 21 Bay 2012 full specs