Marquis Yachts 50 LS 2007 boat specs
Marquis Yachts
Marquis Yachts 50 LS 2007
2007
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Marquis Yachts 690 2011 boat specs
Marquis Yachts
Marquis Yachts 690 2011
2011
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Marquis Yachts 50 LS 2007 vs Marquis Yachts 690 2011 — Which Semi Displacement Fits Your Needs?

When two boats share the same hull type — in this case both the Marquis Yachts 50 LS 2007 and the Marquis Yachts 690 2011 are semi displacement designs with fiberglass construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?

The Marquis Yachts 50 LS 2007 carries a rated maximum of 715 hp. Engine data for the Marquis Yachts 690 2011 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Marquis Yachts 690 2011 carries 12 gallons versus 6 gallons in the Marquis Yachts 50 LS 2007. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Bottom line: The Marquis Yachts 690 2011 at 70,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Marquis Yachts 50 LS 2007 at 51,0 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
MakeMarquis Yachts
MakeMarquis Yachts
Model50 LS
Model69
Model Year2007
Model Year2011
Measurements / Dimensions
BeamWith Gunnel Molding: 15 ft. (4.6 m)
Beam18 ft. (5.5 m) with gunnel molding
Beam - Meters4.57
Beam - Meters5.49
Beam - Inches18
Beam - Inches216
Bridge clearance - DetailWaterline to Arch: 19 ft. 11 in. (5.8 m)
Bridge clearance - Detail24 ft. 5 in. (7.4 m) with arch
Bridge clearance - Meters6.07
Bridge clearance - Meters7.44
Bridge clearance - Inches239
Bridge clearance - Inches293
Draft [max] - Detail57 in. (1.4 m)
Draft [max] - Detail5 ft. 4 in. (1.6 m)
Draft [max] - Meters1.45
Draft [max] - Meters1.63
Draft [max] - Inches57
Draft [max] - Inches64
Length - Meters15.7
Length - Metersnot available
Length - Feet51
Length - Feet70.04
Length - Inches6
Length - Inchesnot available
Length [over all with swim platform]51 ft. 6 in. (15.7 m)
Length [over all with swim platform]70 ft. 0.5 in. (21.3 m)
Weight - Detailnot available
Weight - Detail47 T (43 t) with fuel and water
Weight - kgnot available
Weight - kg42637.65
Weight - lbs.not available
Weight - lbs.94
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeSemi Displacement
Hull typeSemi Displacement
Engine and Drivetrain
Engine/s standardVolvo Penta? D9, 500 hp
Engine/s standardCAT® C18 - 1,015 hp
Fuel tank capacity - Detail600 gal. (2,271 l)
Fuel tank capacity - Detail1,200 gal. (4,542 l)
Fuel tank capacity - Liters2271.25
Fuel tank capacity - Liters4542.49
Fuel tank capacity - Gal6
Fuel tank capacity - Gal12
Fuel typeDiesel
Fuel typeDiesel
Drive typePod Drive
Drive typeInboard
Engine max715 hp
Engine maxnot available
Operational Info
Headroom6 ft. 6 in. (2 m)
Headroom6 ft. 8 in. (2 m) cabin
Sleeping capacity4 (6 optional)
Sleeping capacity6 (+1 optional crew quarters)
Water capacity150 gal. (568 l)
Water capacity200 gal. (757 l)
Water heater capacity20 gal. (75.7 l)
Water heater capacity(2) 16 gal. (60.5 l) each
Holding tank capacity - Detail80 gal. (303 l)
Holding tank capacity - Detail153 gal. (580 l)
Holding tank capacity - Liters302.83
Holding tank capacity - Liters579.17
Holding tank capacity - Gal8
Holding tank capacity - Gal153

Marquis Yachts 50 LS 2007 vs Marquis Yachts 690 2011 — Common Questions

Which is the larger boat — the Marquis Yachts 50 LS 2007 or the Marquis Yachts 690 2011?
The Marquis Yachts 690 2011 is the longer of the two at 70,0 feet overall. The Marquis Yachts 50 LS 2007 comes in at 51,0 feet, making it roughly 19,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
What is the maximum horsepower rating for these boats?
The Marquis Yachts 50 LS 2007 has a documented max rating of 715 hp. Engine specifications for the Marquis Yachts 690 2011 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
Which boat is wider, and does it affect trailering?
The Marquis Yachts 690 2011 measures 216" wide, compared to 18" for the Marquis Yachts 50 LS 2007. 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 Marquis Yachts 50 LS 2007 or the Marquis Yachts 690 2011?
The Marquis Yachts 690 2011 has the bigger tank at 12 gallons, versus 6 gallons on the Marquis Yachts 50 LS 2007. That 6-gallon difference translates to roughly 18–30 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Marquis Yachts 50 LS 2007 and Marquis Yachts 690 2011 from the same manufacturer?
Yes — both the Marquis Yachts 50 LS 2007 and the Marquis Yachts 690 2011 are built by Marquis Yachts. 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.