Crestliner Fish Hawk 1850 SC 2005 boat specs
Crestliner
Crestliner Fish Hawk 1850 SC 2005
2005
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VS
Crestliner Serenity 2000 2005 boat specs
Crestliner
Crestliner Serenity 2000 2005
2005
View full specs →

Crestliner Fish Hawk 1850 SC 2005 vs Crestliner Serenity 2000 2005 — Same Brand, Different Boat

The Crestliner Fish Hawk 1850 SC 2005 vs Crestliner Serenity 2000 2005 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.

Size is the most obvious dividing line here. The Crestliner Fish Hawk 1850 SC 2005 measures 18,0 feet overall (2005), giving it roughly 16,0 additional feet of deck space compared to the Crestliner Serenity 2000 2005 at 2,0 feet (2005). Weight tells a clearer story for trailering families: the Crestliner Serenity 2000 2005 tips the scales at 163 lbs — 150 lbs less than the Crestliner Fish Hawk 1850 SC 2005 at 13 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

The power gap is worth calling out. Rated to 225 hp, the Crestliner Serenity 2000 2005 has a 75-hp advantage over the Crestliner Fish Hawk 1850 SC 2005's 150-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Crestliner Serenity 2000 2005 carries 54 gallons versus 31 gallons in the Crestliner Fish Hawk 1850 SC 2005. 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 Serenity 2000 2005 is rated for 8 passengers, while the Crestliner Fish Hawk 1850 SC 2005 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Crestliner Serenity 2000 2005 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Crestliner Fish Hawk 1850 SC 2005 comes in at 0 lbs per hp versus 1 lbs per hp for the Crestliner Serenity 2000 2005. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.

Bottom line: Choose the Crestliner Serenity 2000 2005 if your priority is putting more people on the water — it handles 8 passengers and at 2,0 ft it has the deck room to back that rating up comfortably. The Crestliner Fish Hawk 1850 SC 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.
General Boat Info
MakeCrestliner
MakeCrestliner
ModelFish Hawk 1850 SC
ModelSerenity 2
Model Year2005
Model Year2005
Measurements / Dimensions
Beam95.5 in. (243 cm)
Beam99 in. (251 cm)
Beam - Meters2.44
Beam - Meters2.51
Beam - Inches95.5
Beam - Inches99
Depth - Detail24 in. (61 cm)
Depth - Detail29 in. (74 cm)
Depth - Centimeters60.96
Depth - Centimeters73.66
Depth - Inches24
Depth - Inches29
Weight - Detail1,300 lbs. (590 kg)
Weight - Detail1,630 lbs. (739 kg)
Weight - kg589.67
Weight - kg739.35
Weight - lbs.13
Weight - lbs.163
Width [transom] - Detail95.5 in. (243 cm)
Width [transom] - Detail99 in. (251 cm)
Height - Detail35 in. (89 cm)
Height - Detail45 in. (114 cm)
Height - Meters0.89
Height - Meters1.14
Height - Inches35
Height - Inches45
Length - Meters5.6
Length - Meters6.1
Length - Feet18
Length - Feet2
Length - Inches3
Length - Inches1
Length overall - Detail18 ft. 3 in. (5.6 m)
Length overall - Detail20 ft. 1 in. (6.1 m)
Length overall - Meters5.56
Length overall - Meters6.12
Length overall - Inches219
Length overall - Inches241
Height [transom]not available
Height [transom]25 in. (64 cm)
Body / Hull
Hull thicknessBottom: .100 Sides: .090 Transom: .125
Hull thicknessBottom: .125 Sides: .090 Transom: .125
Engine and Drivetrain
Fuel tank capacity - Detail31 gal. (117 l)
Fuel tank capacity - Detail54 gal. (204 l)
Fuel tank capacity - Liters117.35
Fuel tank capacity - Liters204.41
Fuel tank capacity - Gal31
Fuel tank capacity - Gal54
Drive typeOutboard
Drive typeOutboard
Engine max150 hp
Engine max225 hp
Operational Info
Maximum capacity1,360 lbs. (617 kg)
Maximum capacity1,925 lbs. (873 kg)
Maximum people6
Maximum people8
Trailer Info
Trailer - DetailOptional
Trailer - DetailOptional

Crestliner Fish Hawk 1850 SC 2005 vs Crestliner Serenity 2000 2005 — Common Questions

Which is the larger boat — the Crestliner Fish Hawk 1850 SC 2005 or the Crestliner Serenity 2000 2005?
The Crestliner Fish Hawk 1850 SC 2005 is the longer of the two at 18,0 feet overall. The Crestliner Serenity 2000 2005 comes in at 2,0 feet, making it roughly 16,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Crestliner Fish Hawk 1850 SC 2005 or the Crestliner Serenity 2000 2005?
For trailering, the Crestliner Fish Hawk 1850 SC 2005 has the edge at 13 lbs dry weight versus 163 lbs for the Crestliner Serenity 2000 2005. 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 Crestliner Serenity 2000 2005 is rated to a maximum of 225 hp, giving it the larger power ceiling. The Crestliner Fish Hawk 1850 SC 2005 tops out at 150 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 Crestliner Fish Hawk 1850 SC 2005 is Coast Guard rated for 6 passengers, while the Crestliner Serenity 2000 2005 is certified for 8. 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 has the better power-to-weight ratio?
The Crestliner Fish Hawk 1850 SC 2005 has a better power-to-weight ratio at 0 lbs per hp compared to 1 lbs per hp for the Crestliner Serenity 2000 2005. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.
Which boat is wider, and does it affect trailering?
The Crestliner Serenity 2000 2005 measures 99" wide, compared to 96" for the Crestliner Fish Hawk 1850 SC 2005. 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 1850 SC 2005 or the Crestliner Serenity 2000 2005?
The Crestliner Serenity 2000 2005 has the bigger tank at 54 gallons, versus 31 gallons on the Crestliner Fish Hawk 1850 SC 2005. That 23-gallon difference translates to roughly 69–115 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Crestliner Fish Hawk 1850 SC 2005 and Crestliner Serenity 2000 2005 from the same manufacturer?
Yes — both the Crestliner Fish Hawk 1850 SC 2005 and the Crestliner Serenity 2000 2005 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.