Boston Whaler 285 Conquest Pilothouse 2023 boat specs
Boston Whaler
Boston Whaler 285 Conquest Pilothouse 2023
2023
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VS
Boston Whaler 345 Conquest Open 2011 boat specs
Boston Whaler
Boston Whaler 345 Conquest Open 2011
2011
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Boston Whaler 285 Conquest Pilothouse 2023 vs Boston Whaler 345 Conquest Open 2011 — Same Brand, Different Boat

The Boston Whaler 285 Conquest Pilothouse 2023 vs Boston Whaler 345 Conquest Open 2011 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.

The power gap is worth calling out. Rated to 900 hp, the Boston Whaler 345 Conquest Open 2011 has a 650-hp advantage over the Boston Whaler 285 Conquest Pilothouse 2023's 250-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Boston Whaler 345 Conquest Open 2011 carries 421 gallons versus 2 gallons in the Boston Whaler 285 Conquest Pilothouse 2023. 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 Boston Whaler 345 Conquest Open 2011 is rated for 14 passengers, while the Boston Whaler 285 Conquest Pilothouse 2023 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Boston Whaler 345 Conquest Open 2011 could be the deciding factor.

Bottom line: Choose the Boston Whaler 345 Conquest Open 2011 if your priority is putting more people on the water — it handles 14 passengers and at 35,9 ft it has the deck room to back that rating up comfortably. The Boston Whaler 285 Conquest Pilothouse 2023 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 8 that costs less to run day-to-day.
Measurements / Dimensions
Length overall - Detail27.10 ft
Length overall - Detail35 ft. 11 in. (10.95 m) with pulpit
Length - Feet27.1
Length - Feet35.92
Length overall - Meters8.26
Length overall - Meters10.95
Length overall - Inches325
Length overall - Inches431
Beam9.60 ft
Beam11 ft. 8 in. (3.56 m)
Beam - Meters2.93
Beam - Meters3.56
Beam - Inches115
Beam - Inches14
Draft Min1.80 ft
Draft Minnot available
Bridge clearance - Detailnot available
Bridge clearance - Detail10 ft. (3.05 m) with hardtop 11 ft. 1 in. (3.38 m) with radar 17 ft. (5.18 m) with upper station 23 ft. (7 m) with upper station and outriggers
Bridge clearance - Metersnot available
Bridge clearance - Meters7.01
Bridge clearance - Inchesnot available
Bridge clearance - Inches276
Deadrisenot available
Deadrise20°
Depth - Detailnot available
Depth - Detail28 in. (0.71 m)
Depth - Centimetersnot available
Depth - Centimeters71.12
Depth - Inchesnot available
Depth - Inches28
Draft [max] - Detailnot available
Draft [max] - Detail22 in. (0.56 m) boat only
Draft [max] - Metersnot available
Draft [max] - Meters0.56
Draft [max] - Inchesnot available
Draft [max] - Inches22
Weight - Detailnot available
Weight - Detail14,200 lbs. (6,441 kg) no engine
Weight - kgnot available
Weight - kg6441.01
Weight - lbs.not available
Weight - lbs.142
Height [transom]not available
Height [transom]30 in. (0.76 m)
Engine and Drivetrain
Fuel tank capacity - Gal2
Fuel tank capacity - Gal421
Fuel tank capacity - Liters757.08
Fuel tank capacity - Liters1593.66
Engine makeMercury
Engine makenot available
Engine modelCXL V8 DTS FourStroke
Engine modelnot available
Horsepower250 hp
Horsepower600 hp (447 kW)
Fuel typeGas
Fuel typeGas
Drive typeoutboard
Drive typeOutboard - Twin
Engine 2 Engine MakeMercury
Engine 2 Engine Makenot available
Engine 2 Engine ModelCXL V8 DTS FourStroke
Engine 2 Engine Modelnot available
Engine 2 Horsepower250 hp
Engine 2 Horsepowernot available
Engine 2 Fuel TypeGas
Engine 2 Fuel Typenot available
Engine 2 Drive Typeoutboard
Engine 2 Drive Typenot available
Engine/s standardnot available
Engine/s standardDual Mercury? 300 CXL DTS Verado? FourStrokes with SmartCraft Vessel View Display and hydraulic power steering
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail421 gal. (1,594 l)
Engine maxnot available
Engine max900 hp (672 kW)
Operational Info
Sleeping capacity3
Sleeping capacitynot available
Head1
Headnot available
Water capacity3
Water capacity45 gal. (170.3 l)
Holding tank capacity - Gal6.5
Holding tank capacity - Gal2
Holding tank capacity - Liters24.61
Holding tank capacity - Liters75.71
TrailerableYes
Trailerablenot available
Boat typePower
Boat typenot available
Maximum capacitynot available
Maximum capacity5,580 lbs. (2,531 kg) Swamped Capacity: 4,900 lbs. (2,222 kg)
Maximum peoplenot available
Maximum people14
Holding tank capacity - Detailnot available
Holding tank capacity - Detail20 gal. (75.71 l)
General Boat Info
Makenot available
MakeBoston Whaler
Modelnot available
Model345 Conquest? Open
Model Yearnot available
Model Year2011
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeDeep Vee

Boston Whaler 285 Conquest Pilothouse 2023 vs Boston Whaler 345 Conquest Open 2011 — Common Questions

Which is the larger boat — the Boston Whaler 285 Conquest Pilothouse 2023 or the Boston Whaler 345 Conquest Open 2011?
The Boston Whaler 345 Conquest Open 2011 is the longer of the two at 35,9 feet overall. The Boston Whaler 285 Conquest Pilothouse 2023 comes in at 27,1 feet, making it roughly 8,8 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which boat can handle a bigger outboard?
The Boston Whaler 345 Conquest Open 2011 is rated to a maximum of 900 hp, giving it the larger power ceiling. The Boston Whaler 285 Conquest Pilothouse 2023 tops out at 250 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 Boston Whaler 285 Conquest Pilothouse 2023 is Coast Guard rated for 8 passengers, while the Boston Whaler 345 Conquest Open 2011 is certified for 14. 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 is wider, and does it affect trailering?
The Boston Whaler 285 Conquest Pilothouse 2023 measures 115" wide, compared to 14" for the Boston Whaler 345 Conquest Open 2011. 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 Boston Whaler 285 Conquest Pilothouse 2023 or the Boston Whaler 345 Conquest Open 2011?
The Boston Whaler 345 Conquest Open 2011 has the bigger tank at 421 gallons, versus 2 gallons on the Boston Whaler 285 Conquest Pilothouse 2023. That 419-gallon difference translates to roughly 1257–2095 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Boston Whaler 285 Conquest Pilothouse 2023 and Boston Whaler 345 Conquest Open 2011 from the same manufacturer?
Yes — both the Boston Whaler 285 Conquest Pilothouse 2023 and the Boston Whaler 345 Conquest Open 2011 are built by Boston Whaler. 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.