South Bay 520FC TT I/O 2011 vs South Bay 925SL 2009 - Boat Spec Comparison

Q: Which is the larger boat — the South Bay 520FC TT I/O 2011 or the South Bay 925SL 2009?

The South Bay 925SL 2009 is the longer of the two at 25,0 feet overall. The South Bay 520FC TT I/O 2011 comes in at 21,4 feet, making it roughly 3,6 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: What is the maximum horsepower rating for these boats?

The South Bay 520FC TT I/O 2011 has a documented max rating of 135 hp. Engine specifications for the South Bay 925SL 2009 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.

Q: How many passengers can the South Bay 520FC TT I/O 2011 carry?

The South Bay 520FC TT I/O 2011 has an official capacity rating of 13 people. Capacity data wasn't available for the other model in this comparison — verify directly with the dealer.

Q: Which boat has the larger fuel tank — the South Bay 520FC TT I/O 2011 or the South Bay 925SL 2009?

The South Bay 925SL 2009 has the bigger tank at 51 gallons, versus 31 gallons on the South Bay 520FC TT I/O 2011. That 20-gallon difference translates to roughly 60–100 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the South Bay 520FC TT I/O 2011 and South Bay 925SL 2009 from the same manufacturer?

Yes — both the South Bay 520FC TT I/O 2011 and the South Bay 925SL 2009 are built by South Bay. 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.

Boat Comparison

South Bay 520FC TT I/O 2011 vs South Bay 925SL 2009

South Bay

South Bay 520FC TT I/O 2011

2011

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South Bay

South Bay 925SL 2009

2009

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Detailed Evaluation & Buyer Recommendation

South Bay 520FC TT I/O 2011 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 520FC TT I/O 2011 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 520FC TT I/O 2011 carries a rated maximum of 135 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 520FC TT I/O 2011. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

The South Bay 520FC TT I/O 2011 is rated for up to 13 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 520FC TT I/O 2011 at 21,4 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

MakeSouth Bay

Model520FC TT I/O

Model925SL

Model Year2011

Model Year2009

Measurements / Dimensions

Beam8 ft. 6 in

Beamnot available

Beam - Meters2.59

Beam - Metersnot available

Beam - Inches102

Beam - Inchesnot available

Weight - Detail2,340 lbs

Weight - Detailnot available

Weight - kg1061.41

Weight - kgnot available

Weight - lbs.234

Weight - lbs.not available

Length [deck]19 ft. 8 in

Length [deck]not available

Length - Feet21.42

Length - Feet25

Length overall - Detail21 ft. 5 in

Length overall - Detailnot available

Length overall - Meters6.53

Length overall - Metersnot available

Length overall - Inches257

Length overall - Inchesnot available

Body / Hull

Hull materialAluminum

Hull typePontoon

Pontoon and Inflatable Specific

Tube diameter25 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

Fuel typeGas

Drive typeI/O

Engine max135 hp

Engine maxnot available

Operational Info

Maximum capacity2,590 lbs

Maximum capacitynot available

Maximum people13 / 1,895 lbs

Maximum peoplenot available

Water capacitynot available

Water capacity8 gal. fresh water with 12V pump

South Bay 520FC TT I/O 2011 vs South Bay 925SL 2009 — Common Questions

Which is the larger boat — the South Bay 520FC TT I/O 2011 or the South Bay 925SL 2009?

The South Bay 925SL 2009 is the longer of the two at 25,0 feet overall. The South Bay 520FC TT I/O 2011 comes in at 21,4 feet, making it roughly 3,6 ft shorter — a meaningful difference in deck room and overall on-water presence.

What is the maximum horsepower rating for these boats?

The South Bay 520FC TT I/O 2011 has a documented max rating of 135 hp. Engine specifications for the South Bay 925SL 2009 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.

How many passengers can the South Bay 520FC TT I/O 2011 carry?

The South Bay 520FC TT I/O 2011 has an official capacity rating of 13 people. Capacity data wasn't available for the other model in this comparison — verify directly with the dealer.

Which boat has the larger fuel tank — the South Bay 520FC TT I/O 2011 or the South Bay 925SL 2009?

The South Bay 925SL 2009 has the bigger tank at 51 gallons, versus 31 gallons on the South Bay 520FC TT I/O 2011. That 20-gallon difference translates to roughly 60–100 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the South Bay 520FC TT I/O 2011 and South Bay 925SL 2009 from the same manufacturer?

Yes — both the South Bay 520FC TT I/O 2011 and the South Bay 925SL 2009 are built by South Bay. 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.

← South Bay 520FC TT I/O 2011 full specs ← South Bay 925SL 2009 full specs