Shallow Sport 18 ft. Shallow Sport  2006 boat specs
Shallow Sport
Shallow Sport 18 ft. Shallow Sport 2006
2006
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VS
Shallow Sport 21 ft.  Bahia   2009 boat specs
Shallow Sport
Shallow Sport 21 ft. Bahia 2009
2009
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Shallow Sport 18 ft. Shallow Sport 2006 vs Shallow Sport 21 ft. Bahia 2009 — Same Brand, Different Boat

Matching a modified vee Shallow Sport 18 ft. Shallow Sport 2006 against a tunnel Shallow Sport 21 ft. Bahia 2009 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.

The Shallow Sport 21 ft. Bahia 2009 tops out at 200 hp. Engine specs for the Shallow Sport 18 ft. Shallow Sport 2006 aren't listed — confirm with a dealer before selecting an outboard.Both carry nearly identical fuel loads — 42 gal and 43 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Shallow Sport 21 ft. Bahia 2009 is rated for 7 passengers, while the Shallow Sport 18 ft. Shallow Sport 2006 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Shallow Sport 21 ft. Bahia 2009 could be the deciding factor.

Bottom line: Choose the Shallow Sport 21 ft. Bahia 2009 if your priority is putting more people on the water — it handles 7 passengers and at 21,0 ft it has the deck room to back that rating up comfortably. The Shallow Sport 18 ft. Shallow Sport 2006 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
MakeShallow Sport
MakeShallow Sport
Model18 ft. Shallow Sport
Model21 ft. Bahia
Model Year2006
Model Year2009
Measurements / Dimensions
Beam10 ft. 2 in
Beamnot available
Beam - Meters3.1
Beam - Metersnot available
Beam - Inches122
Beam - Inchesnot available
Draft [max] - Detail6 in
Draft [max] - Detail8 in
Draft [max] - Meters0.15
Draft [max] - Meters0.2
Draft [max] - Inches6
Draft [max] - Inches8
Length - Feet18
Length - Feet21
Length overall - Detail18 ft. 0 in
Length overall - Detail21 ft. 6 in
Length overall - Meters5.49
Length overall - Meters6.55
Length overall - Inches216
Length overall - Inches258
Draft [drive up] - Detailnot available
Draft [drive up] - Detail6 in
Draft [drive up] metersnot available
Draft [drive up] meters0.15
Draft [drive up] inchesnot available
Draft [drive up] inches6
Length - Inchesnot available
Length - Inches6
Body / Hull
Hull materialComposite
Hull materialFiberglass
Hull typeModified Vee
Hull typeTunnel
Engine and Drivetrain
Engine/s standard115 hp
Engine/s standard115 - 140 hp
Fuel tank capacity - Detail42 gal
Fuel tank capacity - Detail43 gal
Fuel tank capacity - Liters158.99
Fuel tank capacity - Liters162.77
Fuel tank capacity - Gal42
Fuel tank capacity - Gal43
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine maxnot available
Engine max200 hp
Operational Info
Maximum capacitynot available
Maximum capacity1,900 lbs
Maximum peoplenot available
Maximum people7 / 1,400 lbs

Shallow Sport 18 ft. Shallow Sport 2006 vs Shallow Sport 21 ft. Bahia 2009 — Common Questions

Which is the larger boat — the Shallow Sport 18 ft. Shallow Sport 2006 or the Shallow Sport 21 ft. Bahia 2009?
The Shallow Sport 21 ft. Bahia 2009 is the longer of the two at 21,0 feet overall. The Shallow Sport 18 ft. Shallow Sport 2006 comes in at 18,0 feet, making it roughly 3,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
What is the maximum horsepower rating for these boats?
The Shallow Sport 21 ft. Bahia 2009 has a documented max rating of 200 hp. Engine specifications for the Shallow Sport 18 ft. Shallow Sport 2006 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many people can each boat hold?
The Shallow Sport 18 ft. Shallow Sport 2006 is Coast Guard rated for 5 passengers, while the Shallow Sport 21 ft. Bahia 2009 is certified for 7. 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.
How do the fuel tanks compare on the Shallow Sport 18 ft. Shallow Sport 2006 and Shallow Sport 21 ft. Bahia 2009?
Both boats carry similar fuel loads — 42 gallons and 43 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Shallow Sport 18 ft. Shallow Sport 2006 and Shallow Sport 21 ft. Bahia 2009 from the same manufacturer?
Yes — both the Shallow Sport 18 ft. Shallow Sport 2006 and the Shallow Sport 21 ft. Bahia 2009 are built by Shallow Sport. 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.