Monark Marine Fantasy 180 RE Fish 2007 boat specs
Monark Marine
Monark Marine Fantasy 180 RE Fish 2007
2007
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VS
Monark Marine SL 12 2008 boat specs
Monark Marine
Monark Marine SL 12 2008
2008
View full specs →

Monark Marine Fantasy 180 RE Fish 2007 vs Monark Marine SL 12 2008 — Same Brand, Different Boat

The Monark Marine Fantasy 180 RE Fish 2007 vs Monark Marine SL 12 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.

Size is the most obvious dividing line here. The Monark Marine Fantasy 180 RE Fish 2007 measures 18,0 feet overall (2007), giving it roughly 7,0 additional feet of deck space compared to the Monark Marine SL 12 2008 at 11,0 feet (2008). Weight tells a clearer story for trailering families: the Monark Marine Fantasy 180 RE Fish 2007 tips the scales at 1 535 lbs — 1 411 lbs more than the Monark Marine SL 12 2008 at 124 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 40 hp, the Monark Marine Fantasy 180 RE Fish 2007 has a 30-hp advantage over the Monark Marine SL 12 2008'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 Monark Marine Fantasy 180 RE Fish 2007 is rated for 8 passengers, while the Monark Marine SL 12 2008 caps at 3. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Monark Marine Fantasy 180 RE Fish 2007 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Monark Marine SL 12 2008 comes in at 12 lbs per hp versus 38 lbs per hp for the Monark Marine Fantasy 180 RE Fish 2007. 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 Monark Marine Fantasy 180 RE Fish 2007 if your priority is putting more people on the water — it handles 8 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Monark Marine SL 12 2008 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
MakeMonark Marine
MakeMonark Marine
ModelFantasy 180 RE Fish
ModelSL 12
Model Year2007
Model Year2008
Measurements / Dimensions
Beam96 in. (244 cm)
Beam58 in. (147 cm)
Beam - Meters2.44
Beam - Meters1.47
Beam - Inches96
Beam - Inches58
Weight - Detail1,535 lbs. (696.3 kg)
Weight - Detail124 lbs. (56.3 kg)
Weight - kg696.26
Weight - kg56.25
Weight - lbs.1535
Weight - lbs.124
Height [transom]20 in. (51 cm)
Height [transom]15 in. (38 cm)
Length - Meters5.5
Length - Meters3.53
Length - Feet18
Length - Feet11
Length overall - Detail18 ft. 0 in. (5.5 m)
Length overall - Detail11 ft. 7 in. (3.53 m)
Length overall - Meters5.49
Length overall - Meters3.53
Length overall - Inches216
Length overall - Inches139
Deadrisenot available
Deadrise7℃
Depth - Detailnot available
Depth - Detail21 in. (53 cm)
Depth - Centimetersnot available
Depth - Centimeters53.34
Depth - Inchesnot available
Depth - Inches21
Width [transom] - Detailnot available
Width [transom] - Detail55 in. (140 cm)
Length - Inchesnot available
Length - Inches7
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.08 in. (0.203 cm)
Hull thickness0.051 in. (0.13 cm)
Hull typenot available
Hull typeModified Vee
Pontoon and Inflatable Specific
Tube diameter23 in. (58 cm)
Tube diameternot available
Engine and Drivetrain
Engine/s standard25 ELPTO Merc / 19 kW (includes propeller)
Engine/s standardnot available
Fuel tank capacity - Detail6.6 gal. Quicksilver portable fuel tank
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters26.5
Fuel tank capacity - Litersnot available
Fuel tank capacity - Gal6.6
Fuel tank capacity - Galnot available
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max40 hp (30 kW)
Engine max10 hp (7.5 kW)
Operational Info
Maximum capacity1,515 lbs. (687.2 kg)
Maximum capacity600 lbs. (272.2 kg)
Maximum people8 @ 1,095 lbs. (496.7 kg)
Maximum people3 @ 398 lbs. (180.5 kg)

Monark Marine Fantasy 180 RE Fish 2007 vs Monark Marine SL 12 2008 — Common Questions

Which is the larger boat — the Monark Marine Fantasy 180 RE Fish 2007 or the Monark Marine SL 12 2008?
The Monark Marine Fantasy 180 RE Fish 2007 is the longer of the two at 18,0 feet overall. The Monark Marine SL 12 2008 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 Monark Marine Fantasy 180 RE Fish 2007 or the Monark Marine SL 12 2008?
For trailering, the Monark Marine SL 12 2008 has the edge at 124 lbs dry weight versus 1 535 lbs for the Monark Marine Fantasy 180 RE Fish 2007. 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 Monark Marine Fantasy 180 RE Fish 2007 is rated to a maximum of 40 hp, giving it the larger power ceiling. The Monark Marine SL 12 2008 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 Monark Marine Fantasy 180 RE Fish 2007 is Coast Guard rated for 8 passengers, while the Monark Marine SL 12 2008 is certified for 3. 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 Monark Marine SL 12 2008 has a better power-to-weight ratio at 12 lbs per hp compared to 38 lbs per hp for the Monark Marine Fantasy 180 RE Fish 2007. 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 Monark Marine Fantasy 180 RE Fish 2007 measures 96" wide, compared to 58" for the Monark Marine SL 12 2008. 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 Monark Marine Fantasy 180 RE Fish 2007 and Monark Marine SL 12 2008 from the same manufacturer?
Yes — both the Monark Marine Fantasy 180 RE Fish 2007 and the Monark Marine SL 12 2008 are built by Monark 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.