Shallow Sport 21 ft. Shallow Sport  2006 boat specs
Shallow Sport
Shallow Sport 21 ft. Shallow Sport 2006
2006
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VS
Shallow Sport 21.5 ft. Sport  2008 boat specs
Shallow Sport
Shallow Sport 21.5 ft. Sport 2008
2008
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Shallow Sport 21 ft. Shallow Sport 2006 vs Shallow Sport 21.5 ft. Sport 2008 — Same Brand, Different Boat

The Shallow Sport 21 ft. Shallow Sport 2006 vs Shallow Sport 21.5 ft. Sport 2008 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 — Shallow Sport 21 ft. Shallow Sport 2006 at 21,0 ft versus Shallow Sport 21.5 ft. Sport 2008 at 21,0 ft. At 1 lbs and 1 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 225 hp, the Shallow Sport 21 ft. Shallow Sport 2006 has a 25-hp advantage over the Shallow Sport 21.5 ft. Sport 2008's 200-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 42 gal and 43 gal — so range won't be a tiebreaker here.

Both boats are rated for 7 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: Performance buyers should lean toward the Shallow Sport 21 ft. Shallow Sport 2006 and its 225-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Shallow Sport 21.5 ft. Sport 2008 with its 200-hp rating is the more economical daily driver.
General Boat Info
MakeShallow Sport
MakeShallow Sport
Model21 ft. Shallow Sport
Model21.5 ft. Sport
Model Year2006
Model Year2008
Measurements / Dimensions
Beam8 ft. 0 in
Beam8 ft
Beam - Meters2.44
Beam - Meters2.44
Beam - Inches96
Beam - Inches96
Draft [max] - Detail8 in
Draft [max] - Detail8 in
Draft [max] - Meters0.2
Draft [max] - Meters0.2
Draft [max] - Inches8
Draft [max] - Inches8
Weight - Detail1,000 lbs
Weight - Detail1,000 lbs
Weight - kg453.59
Weight - kg453.59
Weight - lbs.1
Weight - lbs.1
Length - Feet21
Length - Feet21
Length - Inches5
Length - Inches6
Length overall - Detail21 ft. 5 in
Length overall - Detail21 ft. 6 in
Length overall - Meters6.53
Length overall - Meters6.55
Length overall - Inches257
Length overall - Inches258
Engine and Drivetrain
Engine/s standardRecommended: 150 hp
Engine/s standard150 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
Drive typeOutboard
Drive typeOutboard
Engine max225 hp
Engine max200 hp
Fuel typenot available
Fuel typeGas
Operational Info
Maximum capacity1,900 lbs
Maximum capacity1,900 lbs
Maximum people7
Maximum people7
Body / Hull
Hull materialnot available
Hull materialFiberglass

Shallow Sport 21 ft. Shallow Sport 2006 vs Shallow Sport 21.5 ft. Sport 2008 — Common Questions

Which is the larger boat — the Shallow Sport 21 ft. Shallow Sport 2006 or the Shallow Sport 21.5 ft. Sport 2008?
The Shallow Sport 21.5 ft. Sport 2008 is the longer of the two at 21,0 feet overall. The Shallow Sport 21 ft. Shallow Sport 2006 comes in at 21,0 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 Shallow Sport 21 ft. Shallow Sport 2006 or the Shallow Sport 21.5 ft. Sport 2008?
For trailering, the Shallow Sport 21.5 ft. Sport 2008 has the edge at 1 lbs dry weight versus 1 lbs for the Shallow Sport 21 ft. Shallow Sport 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 Shallow Sport 21 ft. Shallow Sport 2006 is rated to a maximum of 225 hp, giving it the larger power ceiling. The Shallow Sport 21.5 ft. Sport 2008 tops out at 200 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 Shallow Sport 21 ft. Shallow Sport 2006 is Coast Guard rated for 7 passengers, while the Shallow Sport 21.5 ft. Sport 2008 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.
Do these boats require an oversize trailer permit to tow on US highways?
Both the Shallow Sport 21 ft. Shallow Sport 2006 and Shallow Sport 21.5 ft. Sport 2008 share an 8 ft. 0 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 Shallow Sport 21 ft. Shallow Sport 2006 and Shallow Sport 21.5 ft. Sport 2008?
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 21 ft. Shallow Sport 2006 and Shallow Sport 21.5 ft. Sport 2008 from the same manufacturer?
Yes — both the Shallow Sport 21 ft. Shallow Sport 2006 and the Shallow Sport 21.5 ft. Sport 2008 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.