Starcraft Marine C-Star 186 SC 2005 boat specs
Starcraft Marine
Starcraft Marine C-Star 186 SC 2005
2005
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VS
Starcraft Marine Islander 221 2006 boat specs
Starcraft Marine
Starcraft Marine Islander 221 2006
2006
View full specs →

Starcraft Marine C-Star 186 SC 2005 vs Starcraft Marine Islander 221 2006 — Same Brand, Different Boat

The Starcraft Marine C-Star 186 SC 2005 vs Starcraft Marine Islander 221 2006 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 Starcraft Marine Islander 221 2006 measures 22,0 feet overall (2006), giving it roughly 4,0 additional feet of deck space compared to the Starcraft Marine C-Star 186 SC 2005 at 18,0 feet (2005). Weight tells a clearer story for trailering families: the Starcraft Marine C-Star 186 SC 2005 tips the scales at 1 215 lbs — 1 030 lbs more than the Starcraft Marine Islander 221 2006 at 185 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 150 hp, the Starcraft Marine C-Star 186 SC 2005 has a 146-hp advantage over the Starcraft Marine Islander 221 2006's 4-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Starcraft Marine Islander 221 2006 carries 52 gallons versus 32 gallons in the Starcraft Marine C-Star 186 SC 2005. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 8 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: The Starcraft Marine Islander 221 2006 at 22,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Starcraft Marine C-Star 186 SC 2005 at 18,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.
General Boat Info
MakeStarcraft Marine
MakeStarcraft Marine
ModelC-Star 186 SC
ModelIslander 221
Model Year2005
Model Year2006
Measurements / Dimensions
Beam89 in. (226 cm)
Beam96 in. (244 cm)
Beam - Meters2.26
Beam - Meters2.44
Beam - Inches89
Beam - Inches96
Deadrise15℃
Deadrise18℃
Depth - Detail23 in. (58 cm)
Depth - Detail30 in. (76 cm)
Depth - Centimeters58.42
Depth - Centimeters76.2
Depth - Inches23
Depth - Inches3
Draft [drive up] - Detail13 in. (33 cm)
Draft [drive up] - Detail22 in. (56 cm)
Draft [drive up] meters0.33
Draft [drive up] meters0.56
Draft [drive up] inches13
Draft [drive up] inches22
Draft [max] - Detail25 in. (64 cm)
Draft [max] - Detail34 in. (86 cm)
Draft [max] - Meters0.64
Draft [max] - Meters0.86
Draft [max] - Inches25
Draft [max] - Inches34
Weight - Detail1,215 lbs. (551.1 kg)
Weight - Detail1,850 lbs. (839.2 kg)
Weight - kg551.11
Weight - kg839.15
Weight - lbs.1215
Weight - lbs.185
Width [transom] - Detail89 in. (226 cm) Chine Width (at transom): 73 in. (185 cm)
Width [transom] - Detail90 in. (229 cm) Chine Width (at transom): 81 in. (206 cm)
Height [transom]20 in. (51 cm)
Height [transom]not available
Length - Meters5.6
Length - Meters6.9
Length - Feet18
Length - Feet22
Length - Inches5
Length - Inches6
Length overall - Detail18 ft. 5 in. (5.6 m)
Length overall - Detail22 ft. 6 in. (6.9 m)
Length overall - Meters5.61
Length overall - Meters6.86
Length overall - Inches221
Length overall - Inches27
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.100 (.254 cm)
Hull thickness.100 in. (.254 cm)
Engine and Drivetrain
Fuel tank capacity - Detail32 gal. (121.1 l)
Fuel tank capacity - Detail52 gal. (196.8 l)
Fuel tank capacity - Liters121.13
Fuel tank capacity - Liters196.84
Fuel tank capacity - Gal32
Fuel tank capacity - Gal52
Drive typeOutboard
Drive typeI/O
Engine max150 hp (112 kw)
Engine max4.3 l MPI 220 hp (164 kw)
Operational Info
Maximum capacity1,950 lbs. (884.5 kg)
Maximum capacity2,000 lbs. (907.2 kg)
Maximum people8
Maximum people8
Trailer Info
Trailer - DetailTowing Wt. W/115 4s Merc): 2,641 lbs. (1,198.0 kg)
Trailer - Detailnot available
Trailer - Length over all22 ft. 6 in. (6.9 m)
Trailer - Length over all28 ft. 0 in. (8.5 m)
Trailer - Weightnot available
Trailer - WeightTowing Wt. W/4.3 Merc: 3,975 lbs. (1,803.1 kg)

Starcraft Marine C-Star 186 SC 2005 vs Starcraft Marine Islander 221 2006 — Common Questions

Which is the larger boat — the Starcraft Marine C-Star 186 SC 2005 or the Starcraft Marine Islander 221 2006?
The Starcraft Marine Islander 221 2006 is the longer of the two at 22,0 feet overall. The Starcraft Marine C-Star 186 SC 2005 comes in at 18,0 feet, making it roughly 4,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Starcraft Marine C-Star 186 SC 2005 or the Starcraft Marine Islander 221 2006?
For trailering, the Starcraft Marine Islander 221 2006 has the edge at 185 lbs dry weight versus 1 215 lbs for the Starcraft Marine C-Star 186 SC 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 Starcraft Marine C-Star 186 SC 2005 is rated to a maximum of 150 hp, giving it the larger power ceiling. The Starcraft Marine Islander 221 2006 tops out at 4 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 Starcraft Marine C-Star 186 SC 2005 is Coast Guard rated for 8 passengers, while the Starcraft Marine Islander 221 2006 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 is wider, and does it affect trailering?
The Starcraft Marine Islander 221 2006 measures 96" wide, compared to 89" for the Starcraft Marine C-Star 186 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 Starcraft Marine C-Star 186 SC 2005 or the Starcraft Marine Islander 221 2006?
The Starcraft Marine Islander 221 2006 has the bigger tank at 52 gallons, versus 32 gallons on the Starcraft Marine C-Star 186 SC 2005. That 20-gallon difference translates to roughly 60–100 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Starcraft Marine C-Star 186 SC 2005 and Starcraft Marine Islander 221 2006 from the same manufacturer?
Yes — both the Starcraft Marine C-Star 186 SC 2005 and the Starcraft Marine Islander 221 2006 are built by Starcraft Marine. 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.