Sea-Doo Islandia (240HP) 2000 boat specs
Sea-Doo
Sea-Doo Islandia (240HP) 2000
2000
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VS
Sea-Doo Utopia185 2004 boat specs
Sea-Doo
Sea-Doo Utopia185 2004
2004
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Sea-Doo Islandia (240HP) 2000 vs Sea-Doo Utopia185 2004 — Same Brand, Different Boat

The Sea-Doo Islandia (240HP) 2000 vs Sea-Doo Utopia185 2004 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 Sea-Doo Islandia (240HP) 2000 measures 22,0 feet overall (2000), giving it roughly 4,0 additional feet of deck space compared to the Sea-Doo Utopia185 2004 at 18,0 feet (2004). At 305 lbs and 211 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.

Both boats share a closely matched power ceiling — 240 hp for the Sea-Doo Islandia (240HP) 2000 and 240 hp for the Sea-Doo Utopia185 2004. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the Sea-Doo Islandia (240HP) 2000 carries 55 gallons versus 4 gallons in the Sea-Doo Utopia185 2004. 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 Sea-Doo Islandia (240HP) 2000 is rated for 12 passengers, while the Sea-Doo Utopia185 2004 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea-Doo Islandia (240HP) 2000 could be the deciding factor.

Bottom line: Choose the Sea-Doo Islandia (240HP) 2000 if your priority is putting more people on the water — it handles 12 passengers and at 22,0 ft it has the deck room to back that rating up comfortably. The Sea-Doo Utopia185 2004 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 8 that costs less to run day-to-day.
General Boat Info
MakeSea-Doo
MakeSea-Doo
ModelIslandia (240HP)
ModelUtopia185
Model Year2
Model Year2004
Measurements / Dimensions
Beam8 ft. 6 in. (2.6 m)
Beamnot available
Beam - Meters2.59
Beam - Metersnot available
Beam - Inches102
Beam - Inchesnot available
Draft [max] - Detail12 in. (30.5 cm)
Draft [max] - Detail12 in
Draft [max] - Meters0.3
Draft [max] - Meters0.3
Draft [max] - Inches12
Draft [max] - Inches12
Weight - Detail3,050 lbs. (1383 kg)
Weight - Detail2,110 lbs
Weight - kg1383.46
Weight - kg957.08
Weight - lbs.305
Weight - lbs.211
Length - Meters6.7
Length - Metersnot available
Length - Feet22
Length - Feet18
Length overall - Detail22 ft. 0 in. (6.7 m)
Length overall - Detail18 ft. 3 in
Length overall - Meters6.71
Length overall - Meters5.56
Length overall - Inches264
Length overall - Inches219
Deadrisenot available
Deadrise20℃
Length - Inchesnot available
Length - Inches3
Engine and Drivetrain
Engine/s standardMercury M2 Jet Drive, V6
Engine/s standard200 hp OptiMax Mercury M? Jet Drive 240 hp EFI Mercury M? Jet Drive
Trim systemAdjustable Trim Plate
Trim systemManual adjustable trim plate
ExhaustDual Muffler, through transom
ExhaustPower tuned dual-muffler, through-transom
Impeller7.25 in. diameter, 4 blade variable pitch, stainless steel
Impeller7.25 in. diameter, 4-blade variable pitch stainless steel
Jet pumpAxial flow, high volume
Jet pumpMixed flow, high volume
Fuel systemEFI Multi-point EFI
Fuel systemFuel injection
Fuel tank capacity - Detail55 gal. (205 l)
Fuel tank capacity - Detail40 gal
Fuel tank capacity - Liters208.2
Fuel tank capacity - Liters151.42
Fuel tank capacity - Gal55
Fuel tank capacity - Gal4
Drive typeJet Drive
Drive typeJet Drive
Engine max240 hp
Engine max240 hp
BatteryElectric, with auto prime and turn key / 12-volt
BatteryElectric / 12 volt
LubricationVariable Rate Oil Injection, Gear Driven
LubricationVariable ratio oil injection, gear-driven
Oil capacity - Detail3
Oil capacity - Detail3
Oil capacity - Liters11.36
Oil capacity - Liters11.36
Intake gratenot available
Intake grate"Hydro-Surge" weedless
Operational Info
Maximum capacity1,800 lbs
Maximum capacity1,320 lbs
Maximum people12
Maximum people8
Options / Other
OptionsGalvanized Trailer (additional cost)
Optionsnot available

Sea-Doo Islandia (240HP) 2000 vs Sea-Doo Utopia185 2004 — Common Questions

Which is the larger boat — the Sea-Doo Islandia (240HP) 2000 or the Sea-Doo Utopia185 2004?
The Sea-Doo Islandia (240HP) 2000 is the longer of the two at 22,0 feet overall. The Sea-Doo Utopia185 2004 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 Sea-Doo Islandia (240HP) 2000 or the Sea-Doo Utopia185 2004?
For trailering, the Sea-Doo Utopia185 2004 has the edge at 211 lbs dry weight versus 305 lbs for the Sea-Doo Islandia (240HP) 2000. 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.
How many people can each boat hold?
The Sea-Doo Islandia (240HP) 2000 is Coast Guard rated for 12 passengers, while the Sea-Doo Utopia185 2004 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 larger fuel tank — the Sea-Doo Islandia (240HP) 2000 or the Sea-Doo Utopia185 2004?
The Sea-Doo Islandia (240HP) 2000 has the bigger tank at 55 gallons, versus 4 gallons on the Sea-Doo Utopia185 2004. That 51-gallon difference translates to roughly 153–255 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Sea-Doo Islandia (240HP) 2000 and Sea-Doo Utopia185 2004 from the same manufacturer?
Yes — both the Sea-Doo Islandia (240HP) 2000 and the Sea-Doo Utopia185 2004 are built by Sea-Doo. 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.