Detailed Evaluation & Buyer Recommendation
South Bay 518FC 2009 vs South Bay 925SL 2009 — Which Pontoon Fits Your Needs?
When two boats share the same hull type — in this case both the South Bay 518FC 2009 and the South Bay 925SL 2009 are pontoon designs with aluminum 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 South Bay 518FC 2009 carries a rated maximum of 75 hp. Engine data for the South Bay 925SL 2009 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the South Bay 925SL 2009 carries 51 gallons versus 31 gallons in the South Bay 518FC 2009. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
The South Bay 518FC 2009 is rated for up to 8 people. Passenger data for the South Bay 925SL 2009 wasn't available.
Both are 2-tube and 3-tube pontoon designs respectively. Tube diameter and gauge affect stability and load capacity — more so than most buyers realize when comparing on paper.
Bottom line: The South Bay 925SL 2009 at 25,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The South Bay 518FC 2009 at 19,0 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
MakeSouth Bay
MakeSouth Bay
Model Year2009
Model Year2009
Measurements / Dimensions
Beam8 ft. 6 in
Beamnot available
Beam - Meters2.59
Beam - Metersnot available
Beam - Inches102
Beam - Inchesnot available
Weight - Detail1,450 lbs
Weight - Detailnot available
Weight - kg657.71
Weight - kgnot available
Weight - lbs.145
Weight - lbs.not available
Length [deck]17 ft. 10 in
Length [deck]not available
Length - Feet19
Length - Feet25
Length - Inches9
Length - Inchesnot available
Length overall - Detail19 ft. 9 in
Length overall - Detailnot available
Length overall - Meters6.02
Length overall - Metersnot available
Length overall - Inches237
Length overall - Inchesnot available
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull typePontoon
Hull typePontoon
Pontoon and Inflatable Specific
Tube diameter23 in
Tube diameternot available
Number of tubes2
Number of tubes3
Engine and Drivetrain
Fuel tank capacity - Detail31 gal
Fuel tank capacity - Detail51 gal
Fuel tank capacity - Liters117.35
Fuel tank capacity - Liters193.06
Fuel tank capacity - Gal31
Fuel tank capacity - Gal51
Drive typeOutboard
Drive typeI/O
Engine max75 hp
Engine maxnot available
Operational Info
Maximum capacity1,655 lbs
Maximum capacitynot available
Maximum people8 / 1,195 lbs
Maximum peoplenot available
Water capacitynot available
Water capacity8 gal. fresh water with 12V pump