Baja Marine 247 Islander  2012 boat specs
Baja Marine
Baja Marine 247 Islander 2012
2012
View full specs →
VS
Baja Marine 342 Performance 2005 boat specs
Baja Marine
Baja Marine 342 Performance 2005
2005
View full specs →

Baja Marine 247 Islander 2012 vs Baja Marine 342 Performance 2005 — Same Brand, Different Boat

The Baja Marine 247 Islander 2012 vs Baja Marine 342 Performance 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 Baja Marine 342 Performance 2005 measures 34,0 feet overall (2005), giving it roughly 9,6 additional feet of deck space compared to the Baja Marine 247 Islander 2012 at 24,4 feet (2012). At 43 lbs and 82 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 550 hp, the Baja Marine 342 Performance 2005 has a 250-hp advantage over the Baja Marine 247 Islander 2012's 300-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Baja Marine 342 Performance 2005 carries 185 gallons versus 8 gallons in the Baja Marine 247 Islander 2012. 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 Baja Marine 342 Performance 2005 at 34,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Baja Marine 247 Islander 2012 at 24,4 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
MakeBaja Marine
MakeBaja Marine
Model247 Islander
Model342 Performance
Model Year2012
Model Year2005
Measurements / Dimensions
Beam8 ft. 6 in. (2.59 m)
Beam8 ft. 6 in
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Deadrise23℃
Deadrise24℃
Draft [max] - Detail34 in. (86.36 cm)
Draft [max] - Detail40 in. (101.6 cm)
Draft [max] - Meters0.86
Draft [max] - Meters1.02
Draft [max] - Inches34
Draft [max] - Inches4
Weight - Detail4,300 lbs. (1,950 kg)
Weight - Detail8,200 lbs. (3,719.5 kg)
Weight - kg1950.45
Weight - kg3719.45
Weight - lbs.43
Weight - lbs.82
Length - Meters7.44
Length - Meters10.41
Length - Feet24.42
Length - Feet34
Length overall - Detail24 ft. 5 in. (7.44 m)
Length overall - Detail34 ft. 2 in. (10.41 m)
Length overall - Meters7.44
Length overall - Meters10.41
Length overall - Inches293
Length overall - Inches41
Length - Inchesnot available
Length - Inches2
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeDeep Vee
Hull typenot available
Engine and Drivetrain
Engine makeMerCruiser®
Engine makenot available
Engine model350 Mag / Bravo I
Engine modelnot available
Fuel tank capacity - Detail80 gal. (302.8 l)
Fuel tank capacity - Detail185 gal. With Optional Generator: 145 gal
Fuel tank capacity - Liters302.83
Fuel tank capacity - Liters700.3
Fuel tank capacity - Gal8
Fuel tank capacity - Gal185
Fuel typeGas
Fuel typenot available
Drive typeInboard
Drive typeI/O
Horsepower300 hp
Horsepowernot available
Engine/s standardnot available
Engine/s standardMerCruiser 496 Magnum/Bravo I/SS Prop/OER w/hydraulic steering (Twin 375 hp)
Fuel systemnot available
Fuel systemFuel Tank with Electric Gauge
Engine maxnot available
Engine maxTwin 550 hp
Operational Info
Maximum people8
Maximum people8
Headnot available
HeadEnclosed with Molded Porta Potti & Sink w/Handheld Shower - Locking Door & 12V Lights
Sleeping capacitynot available
Sleeping capacity4

Baja Marine 247 Islander 2012 vs Baja Marine 342 Performance 2005 — Common Questions

Which is the larger boat — the Baja Marine 247 Islander 2012 or the Baja Marine 342 Performance 2005?
The Baja Marine 342 Performance 2005 is the longer of the two at 34,0 feet overall. The Baja Marine 247 Islander 2012 comes in at 24,4 feet, making it roughly 9,6 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Baja Marine 247 Islander 2012 or the Baja Marine 342 Performance 2005?
For trailering, the Baja Marine 247 Islander 2012 has the edge at 43 lbs dry weight versus 82 lbs for the Baja Marine 342 Performance 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 Baja Marine 342 Performance 2005 is rated to a maximum of 550 hp, giving it the larger power ceiling. The Baja Marine 247 Islander 2012 tops out at 300 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 Baja Marine 247 Islander 2012 is Coast Guard rated for 8 passengers, while the Baja Marine 342 Performance 2005 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.
Do these boats require an oversize trailer permit to tow on US highways?
Both the Baja Marine 247 Islander 2012 and Baja Marine 342 Performance 2005 share an 8 ft. 6 in. (2.59 m) beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.
Which boat has the larger fuel tank — the Baja Marine 247 Islander 2012 or the Baja Marine 342 Performance 2005?
The Baja Marine 342 Performance 2005 has the bigger tank at 185 gallons, versus 8 gallons on the Baja Marine 247 Islander 2012. That 177-gallon difference translates to roughly 531–885 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Baja Marine 247 Islander 2012 and Baja Marine 342 Performance 2005 from the same manufacturer?
Yes — both the Baja Marine 247 Islander 2012 and the Baja Marine 342 Performance 2005 are built by Baja 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.