Crestliner Fish Hawk 1650 SC 2004 boat specs
Crestliner
Crestliner Fish Hawk 1650 SC 2004
2004
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VS
Crestliner Grand Cayman 2485 I/O 2008 boat specs
Crestliner
Crestliner Grand Cayman 2485 I/O 2008
2008
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Crestliner Fish Hawk 1650 SC 2004 vs Crestliner Grand Cayman 2485 I/O 2008 — Same Brand, Different Boat

The Crestliner Fish Hawk 1650 SC 2004 vs Crestliner Grand Cayman 2485 I/O 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.

The Crestliner Fish Hawk 1650 SC 2004 carries a rated maximum of 9 hp. Engine data for the Crestliner Grand Cayman 2485 I/O 2008 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Crestliner Grand Cayman 2485 I/O 2008 carries 35 gallons versus 18 gallons in the Crestliner Fish Hawk 1650 SC 2004. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

For family outings this is probably the sharpest distinction between the two. The Crestliner Grand Cayman 2485 I/O 2008 is rated for 12 passengers, while the Crestliner Fish Hawk 1650 SC 2004 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Crestliner Grand Cayman 2485 I/O 2008 could be the deciding factor.

Bottom line: Choose the Crestliner Grand Cayman 2485 I/O 2008 if your priority is putting more people on the water — it handles 12 passengers and at 23,0 ft it has the deck room to back that rating up comfortably. The Crestliner Fish Hawk 1650 SC 2004 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
MakeCrestliner
MakeCrestliner
ModelFish Hawk 1650 SC
ModelGrand Cayman 2485 I/O
Model Year2004
Model Year2008
Measurements / Dimensions
Beam87 in
Beam102 in. (259 cm)
Beam - Meters2.21
Beam - Meters2.59
Beam - Inches87
Beam - Inches102
Weight - Detail880 lbs
Weight - Detail2,000 lbs. (907 kg) with 4.3 l
Weight - kg399.16
Weight - kg907.18
Weight - lbs.88
Weight - lbs.2
Height - Detail35 in
Height - Detailnot available
Height - Meters0.89
Height - Metersnot available
Height - Inches35
Height - Inchesnot available
Length overall - Detail16 ft. 0 in
Length overall - Detail23 ft. 6 in. (7.1 m)
Length overall - Meters4.88
Length overall - Meters7.16
Length overall - Inches192
Length overall - Inches282
Length - Metersnot available
Length - Meters7.1
Length - Feetnot available
Length - Feet23
Length - Inchesnot available
Length - Inches6
Engine and Drivetrain
Fuel tank capacity - Detail18 gal
Fuel tank capacity - Detail35 gal. (132 l)
Fuel tank capacity - Liters68.14
Fuel tank capacity - Liters132.49
Fuel tank capacity - Gal18
Fuel tank capacity - Gal35
Engine max9
Engine maxnot available
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeI/O
Operational Info
Maximum capacity1200 lbs
Maximum capacity3,200 lbs. (1,451 kg)
Maximum people5 Persons
Maximum people12
Body / Hull
Hull materialnot available
Hull materialAluminum
Hull thicknessnot available
Hull thickness0.080 in
Hull typenot available
Hull typePontoon
Pontoon and Inflatable Specific
Tube diameternot available
Tube diameter27 in. (69 cm)
Number of tubesnot available
Number of tubes2

Crestliner Fish Hawk 1650 SC 2004 vs Crestliner Grand Cayman 2485 I/O 2008 — Common Questions

Which is easier to trailer — the Crestliner Fish Hawk 1650 SC 2004 or the Crestliner Grand Cayman 2485 I/O 2008?
For trailering, the Crestliner Grand Cayman 2485 I/O 2008 has the edge at 2 lbs dry weight versus 88 lbs for the Crestliner Fish Hawk 1650 SC 2004. 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.
What is the maximum horsepower rating for these boats?
The Crestliner Fish Hawk 1650 SC 2004 has a documented max rating of 9 hp. Engine specifications for the Crestliner Grand Cayman 2485 I/O 2008 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 Crestliner Fish Hawk 1650 SC 2004 is Coast Guard rated for 5 passengers, while the Crestliner Grand Cayman 2485 I/O 2008 is certified for 12. 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 Crestliner Grand Cayman 2485 I/O 2008 measures 102" wide, compared to 87" for the Crestliner Fish Hawk 1650 SC 2004. 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 Crestliner Fish Hawk 1650 SC 2004 or the Crestliner Grand Cayman 2485 I/O 2008?
The Crestliner Grand Cayman 2485 I/O 2008 has the bigger tank at 35 gallons, versus 18 gallons on the Crestliner Fish Hawk 1650 SC 2004. That 17-gallon difference translates to roughly 51–85 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Crestliner Fish Hawk 1650 SC 2004 and Crestliner Grand Cayman 2485 I/O 2008 from the same manufacturer?
Yes — both the Crestliner Fish Hawk 1650 SC 2004 and the Crestliner Grand Cayman 2485 I/O 2008 are built by Crestliner. 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.