Detailed Evaluation & Buyer Recommendation
Monterey 233 EX Explorer 2006 vs Monterey 278SS 2008 — Same Brand, Different Boat
The Monterey 233 EX Explorer 2006 vs Monterey 278SS 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 Monterey 278SS 2008 measures 28,0 feet overall (2008), giving it roughly 6,0 additional feet of deck space compared to the Monterey 233 EX Explorer 2006 at 22,0 feet (2006). At 5 lbs and 55 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 425 hp, the Monterey 278SS 2008 has a 105-hp advantage over the Monterey 233 EX Explorer 2006's 320-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Monterey 278SS 2008 carries 89 gallons versus 57 gallons in the Monterey 233 EX Explorer 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 Monterey 278SS 2008 is rated for 8 passengers, while the Monterey 233 EX Explorer 2006 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Monterey 278SS 2008 could be the deciding factor.
Bottom line: Choose the Monterey 278SS 2008 if your priority is putting more people on the water — it handles 8 passengers and at 28,0 ft it has the deck room to back that rating up comfortably. The Monterey 233 EX Explorer 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
Model233 EX Explorer
Model278SS
Model Year2006
Model Year2008
Measurements / Dimensions
Beam8 ft. 6 in. (2.60 m)
Beam8 ft. 6 in. (2.6 m)
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Deadrise20℃
Deadrise21℃
Draft [drive up] - Detail23 in. (59 cm)
Draft [drive up] - Detailnot available
Draft [drive up] meters0.58
Draft [drive up] metersnot available
Draft [drive up] inches23
Draft [drive up] inchesnot available
Draft [max] - Detail36 in. (93 cm)
Draft [max] - Detailnot available
Draft [max] - Meters0.91
Draft [max] - Metersnot available
Draft [max] - Inches36
Draft [max] - Inchesnot available
Weight - Detail5,000 lbs. (2,270 kg)
Weight - Detail5,500 lbs. (2,495 kg)
Weight - kg2267.96
Weight - kg2494.76
Weight - lbs.5
Weight - lbs.55
Length - Meters6.95
Length - Meters8.8
Length - Feet22
Length - Feet28
Length - Inches9
Length - Inches1
Length [over all with swim platform]25 ft. 0 in. (7.63 m)
Length [over all with swim platform]not available
Length overall - Detail22 ft. 9 in. (6.95 m)
Length overall - Detail28 ft. 10 in. (8.8 m)
Length overall - Meters6.93
Length overall - Meters8.79
Length overall - Inches273
Length overall - Inches346
Engine and Drivetrain
Engine/s standardVolvo 5.0 GXi SX
Engine/s standardMerc 350MAG BRIII 300 hp
Fuel tank capacity - Detail57 gal. (216 l)
Fuel tank capacity - Detail89 gal. (337 l)
Fuel tank capacity - Liters215.77
Fuel tank capacity - Liters336.9
Fuel tank capacity - Gal57
Fuel tank capacity - Gal89
Drive typeI/O
Drive typeInboard
Engine max320 hp
Engine max425 hp (316 kW)
Fuel typenot available
Fuel typeGas
Operational Info
Water capacity17 gal. (64 l)
Water capacity15 gal. (57 l)
Holding tank capacity - Detail2 gal. (8 l)
Holding tank capacity - Detail16 gal. (61 l)
Holding tank capacity - Liters7.57
Holding tank capacity - Liters60.57
Holding tank capacity - Gal2
Holding tank capacity - Gal16
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeModified Vee