Monark Marine Fantasy 180 RE Fish 2006 vs Monark Marine Signature 1601 2006 - Boat Spec Comparison

Q: Which is the larger boat — the Monark Marine Fantasy 180 RE Fish 2006 or the Monark Marine Signature 1601 2006?

The Monark Marine Fantasy 180 RE Fish 2006 is the longer of the two at 18,0 feet overall. The Monark Marine Signature 1601 2006 comes in at 16,0 feet, making it roughly 2,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: Which is easier to trailer — the Monark Marine Fantasy 180 RE Fish 2006 or the Monark Marine Signature 1601 2006?

For trailering, the Monark Marine Signature 1601 2006 has the edge at 925 lbs dry weight versus 1 535 lbs for the Monark Marine Fantasy 180 RE Fish 2006. 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.

Q: Which boat can handle a bigger outboard?

The Monark Marine Signature 1601 2006 is rated to a maximum of 75 hp, giving it the larger power ceiling. The Monark Marine Fantasy 180 RE Fish 2006 tops out at 40 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.

Q: How many people can each boat hold?

The Monark Marine Fantasy 180 RE Fish 2006 is Coast Guard rated for 8 passengers, while the Monark Marine Signature 1601 2006 is certified for 6. 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.

Q: Which boat has the better power-to-weight ratio?

The Monark Marine Signature 1601 2006 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 2006. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.

Q: Which boat is wider, and does it affect trailering?

The Monark Marine Fantasy 180 RE Fish 2006 measures 96" wide, compared to 78" for the Monark Marine Signature 1601 2006. 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.

Q: Which boat has the larger fuel tank — the Monark Marine Fantasy 180 RE Fish 2006 or the Monark Marine Signature 1601 2006?

The Monark Marine Signature 1601 2006 has the bigger tank at 13 gallons, versus 7 gallons on the Monark Marine Fantasy 180 RE Fish 2006. That 6-gallon difference translates to roughly 19–32 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Monark Marine Fantasy 180 RE Fish 2006 and Monark Marine Signature 1601 2006 from the same manufacturer?

Yes — both the Monark Marine Fantasy 180 RE Fish 2006 and the Monark Marine Signature 1601 2006 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.

Boat Comparison

Monark Marine Fantasy 180 RE Fish 2006 vs Monark Marine Signature 1601 2006

Monark Marine

Monark Marine Fantasy 180 RE Fish 2006

2006

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Monark Marine

Monark Marine Signature 1601 2006

2006

View full specs →

Detailed Evaluation & Buyer Recommendation

Monark Marine Fantasy 180 RE Fish 2006 vs Monark Marine Signature 1601 2006 — Same Brand, Different Boat

The Monark Marine Fantasy 180 RE Fish 2006 vs Monark Marine Signature 1601 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.

On paper these two are close siblings in the size department — Monark Marine Fantasy 180 RE Fish 2006 at 18,0 ft versus Monark Marine Signature 1601 2006 at 16,0 ft. Weight tells a clearer story for trailering families: the Monark Marine Fantasy 180 RE Fish 2006 tips the scales at 1 535 lbs — 610 lbs more than the Monark Marine Signature 1601 2006 at 925 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 75 hp, the Monark Marine Signature 1601 2006 has a 35-hp advantage over the Monark Marine Fantasy 180 RE Fish 2006's 40-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Monark Marine Signature 1601 2006 carries 13 gallons versus 7 gallons in the Monark Marine Fantasy 180 RE Fish 2006. 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 Monark Marine Fantasy 180 RE Fish 2006 is rated for 8 passengers, while the Monark Marine Signature 1601 2006 caps at 6. 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 2006 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Monark Marine Signature 1601 2006 comes in at 12 lbs per hp versus 38 lbs per hp for the Monark Marine Fantasy 180 RE Fish 2006. 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 2006 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 Signature 1601 2006 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

MakeMonark Marine

ModelFantasy 180 RE Fish

ModelSignature 1601

Model Year2006

Measurements / Dimensions

Beam96 in. (244 cm)

Beam78 in. (198 cm)

Beam - Meters2.44

Beam - Meters1.98

Beam - Inches96

Beam - Inches78

Weight - Detail1,535 lbs. (696.3 kg)

Weight - Detail925 lbs. (419.6 kg)

Weight - kg696.26

Weight - kg419.57

Weight - lbs.1535

Weight - lbs.925

Height [transom]20 in. (51 cm)

Length - Meters5.5

Length - Meters5.1

Length - Feet18

Length - Feet16

Length overall - Detail18 ft. 0 in. (5.5 m)

Length overall - Detail16 ft. 8 in. (5.1 m)

Length overall - Meters5.49

Length overall - Meters5.08

Length overall - Inches216

Length overall - Inches2

Deadrisenot available

Deadrise14℃

Depth - Detailnot available

Depth - Detail23 in. (58 cm)

Depth - Centimetersnot available

Depth - Centimeters58.42

Depth - Inchesnot available

Depth - Inches23

Draft [drive up] - Detailnot available

Draft [drive up] - Detail9 in. (23 cm)

Draft [drive up] metersnot available

Draft [drive up] meters0.23

Draft [drive up] inchesnot available

Draft [drive up] inches9

Draft [max] - Detailnot available

Draft [max] - Detail23 in. (58 cm)

Draft [max] - Metersnot available

Draft [max] - Meters0.58

Draft [max] - Inchesnot available

Draft [max] - Inches23

Width [transom] - Detailnot available

Width [transom] - Detail70 in. (178 cm)

Length - Inchesnot available

Length - Inches8

Body / Hull

Rail height27 in. (69 cm)

Rail heightnot available

Hull materialnot available

Hull materialAluminum

Hull thicknessnot available

Hull thickness0.100 in. (0.254 cm)

Pontoon and Inflatable Specific

Tube diameter23 in. (58 cm)

Tube diameternot available

Tube gauge0.080 in. (0.203 cm)

Tube gaugenot available

Engine and Drivetrain

Engine/s standard25 ELPTO Mercury / 19 kW (includes propeller)

Engine/s standardnot available

Fuel systemQuicksilver portable fuel tank

Fuel systemnot available

Fuel tank capacity - Detail6.6 gal

Fuel tank capacity - Detail13 gal. (49.2 l)

Fuel tank capacity - Liters26.5

Fuel tank capacity - Liters49.21

Fuel tank capacity - Gal6.6

Fuel tank capacity - Gal13

Fuel typeGas

Drive typeI/O

Drive typeOutboard

Engine max40 hp (30 kW)

Engine max75 hp (56 kW)

Operational Info

Maximum capacity1,515 lbs. (687.2 kg)

Maximum capacity1,300 lbs. (589.7 kg)

Maximum people8 @ 1,095 lbs. (496.7 kg)

Maximum people6 @ 785 lbs. (356.1 kg)

Trailer Info

Trailer - Length over allnot available

Trailer - Length over all20 ft. 6 in. (6.3 m)

Monark Marine Fantasy 180 RE Fish 2006 vs Monark Marine Signature 1601 2006 — Common Questions

Which is the larger boat — the Monark Marine Fantasy 180 RE Fish 2006 or the Monark Marine Signature 1601 2006?

The Monark Marine Fantasy 180 RE Fish 2006 is the longer of the two at 18,0 feet overall. The Monark Marine Signature 1601 2006 comes in at 16,0 feet, making it roughly 2,0 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 2006 or the Monark Marine Signature 1601 2006?

For trailering, the Monark Marine Signature 1601 2006 has the edge at 925 lbs dry weight versus 1 535 lbs for the Monark Marine Fantasy 180 RE Fish 2006. 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 Signature 1601 2006 is rated to a maximum of 75 hp, giving it the larger power ceiling. The Monark Marine Fantasy 180 RE Fish 2006 tops out at 40 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 2006 is Coast Guard rated for 8 passengers, while the Monark Marine Signature 1601 2006 is certified for 6. 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 Signature 1601 2006 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 2006. 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 2006 measures 96" wide, compared to 78" for the Monark Marine Signature 1601 2006. 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 Monark Marine Fantasy 180 RE Fish 2006 or the Monark Marine Signature 1601 2006?

The Monark Marine Signature 1601 2006 has the bigger tank at 13 gallons, versus 7 gallons on the Monark Marine Fantasy 180 RE Fish 2006. That 6-gallon difference translates to roughly 19–32 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Monark Marine Fantasy 180 RE Fish 2006 and Monark Marine Signature 1601 2006 from the same manufacturer?

Yes — both the Monark Marine Fantasy 180 RE Fish 2006 and the Monark Marine Signature 1601 2006 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.

← Monark Marine Fantasy 180 RE Fish 2006 full specs ← Monark Marine Signature 1601 2006 full specs