Sylvan 1200 Sea Breeze 2005 boat specs
Sylvan
Sylvan 1200 Sea Breeze 2005
2005
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VS
Sylvan 818 Mirage Fish SD 2005 boat specs
Sylvan
Sylvan 818 Mirage Fish SD 2005
2005
View full specs →

Sylvan 1200 Sea Breeze 2005 vs Sylvan 818 Mirage Fish SD 2005 — Same Brand, Different Boat

The Sylvan 1200 Sea Breeze 2005 vs Sylvan 818 Mirage Fish SD 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 Sylvan 818 Mirage Fish SD 2005 measures 18,0 feet overall (2005), giving it roughly 7,0 additional feet of deck space compared to the Sylvan 1200 Sea Breeze 2005 at 11,0 feet (2005). At 112 lbs and 134 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 50 hp, the Sylvan 818 Mirage Fish SD 2005 has a 40-hp advantage over the Sylvan 1200 Sea Breeze 2005's 10-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.

For family outings this is probably the sharpest distinction between the two. The Sylvan 818 Mirage Fish SD 2005 is rated for 9 passengers, while the Sylvan 1200 Sea Breeze 2005 caps at 3. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sylvan 818 Mirage Fish SD 2005 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Sylvan 818 Mirage Fish SD 2005 comes in at 3 lbs per hp versus 11 lbs per hp for the Sylvan 1200 Sea Breeze 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 Sylvan 818 Mirage Fish SD 2005 if your priority is putting more people on the water — it handles 9 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Sylvan 1200 Sea Breeze 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 3 that costs less to run day-to-day.
General Boat Info
MakeSylvan
MakeSylvan
Model1200 Sea Breeze
Model818 Mirage Fish SD
Model Year2005
Model Year2005
Measurements / Dimensions
Beam56 in
Beam96 in
Beam - Meters1.42
Beam - Meters2.44
Beam - Inches56
Beam - Inches96
Depth - Detail20 in
Depth - Detailnot available
Depth - Centimeters50.8
Depth - Centimetersnot available
Depth - Inches2
Depth - Inchesnot available
Weight - Detail112 lbs
Weight - Detail1,340 lbs
Weight - kg50.8
Weight - kg607.81
Weight - lbs.112
Weight - lbs.134
Width [transom] - Detail50 in
Width [transom] - Detailnot available
Height - Detail20 in
Height - Detailnot available
Height - Meters0.51
Height - Metersnot available
Height - Inches2
Height - Inchesnot available
Height [transom]SS
Height [transom]not available
Length - Feet11
Length - Feet18
Length - Inches9
Length - Inches3
Length overall - Detail11 ft. 9 in
Length overall - Detail18 ft. 3 in
Length overall - Meters3.58
Length overall - Meters5.56
Length overall - Inches141
Length overall - Inches219
Body / Hull
Hull thicknessBottom: 0.050 Side: 0.050 Rib: 0.05
Hull thicknessnot available
Engine and Drivetrain
Drive typeOutboard
Drive typeOutboard
Engine max10 hp
Engine max50 hp
Fuel tank capacity - Detailnot available
Fuel tank capacity - DetailOPT
Operational Info
Maximum capacity600 lbs
Maximum capacity1,750 lbs
Maximum people3
Maximum people9
Pontoon and Inflatable Specific
Tube diameternot available
Tube diameter23 in
Tube gaugenot available
Tube gauge.080 in

Sylvan 1200 Sea Breeze 2005 vs Sylvan 818 Mirage Fish SD 2005 — Common Questions

Which is the larger boat — the Sylvan 1200 Sea Breeze 2005 or the Sylvan 818 Mirage Fish SD 2005?
The Sylvan 818 Mirage Fish SD 2005 is the longer of the two at 18,0 feet overall. The Sylvan 1200 Sea Breeze 2005 comes in at 11,0 feet, making it roughly 7,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Sylvan 1200 Sea Breeze 2005 or the Sylvan 818 Mirage Fish SD 2005?
For trailering, the Sylvan 1200 Sea Breeze 2005 has the edge at 112 lbs dry weight versus 134 lbs for the Sylvan 818 Mirage Fish SD 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 Sylvan 818 Mirage Fish SD 2005 is rated to a maximum of 50 hp, giving it the larger power ceiling. The Sylvan 1200 Sea Breeze 2005 tops out at 10 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 Sylvan 1200 Sea Breeze 2005 is Coast Guard rated for 3 passengers, while the Sylvan 818 Mirage Fish SD 2005 is certified for 9. 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 Sylvan 818 Mirage Fish SD 2005 has a better power-to-weight ratio at 3 lbs per hp compared to 11 lbs per hp for the Sylvan 1200 Sea Breeze 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 Sylvan 818 Mirage Fish SD 2005 measures 96" wide, compared to 56" for the Sylvan 1200 Sea Breeze 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.
Are the Sylvan 1200 Sea Breeze 2005 and Sylvan 818 Mirage Fish SD 2005 from the same manufacturer?
Yes — both the Sylvan 1200 Sea Breeze 2005 and the Sylvan 818 Mirage Fish SD 2005 are built by Sylvan. 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.