South Bay 420F A 2013 boat specs
South Bay
South Bay 420F A 2013
2013
View full specs →
VS
South Bay 422FC - 25 in. Upgrade 2011 boat specs
South Bay
South Bay 422FC - 25 in. Upgrade 2011
2011
View full specs →

South Bay 420F A 2013 vs South Bay 422FC - 25 in. Upgrade 2011 — A Close Look at Two Pontoons

When two boats share the same hull type — in this case both the South Bay 420F A 2013 and the South Bay 422FC - 25 in. Upgrade 2011 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?

Both boats share a closely matched power ceiling — 90 hp for the South Bay 420F A 2013 and 90 hp for the South Bay 422FC - 25 in. Upgrade 2011. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup.

For family outings this is probably the sharpest distinction between the two. The South Bay 420F A 2013 is rated for 9 passengers, while the South Bay 422FC - 25 in. Upgrade 2011 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the South Bay 420F A 2013 could be the deciding factor.

Bottom line: Choose the South Bay 420F A 2013 if your priority is putting more people on the water — it handles 9 passengers and at 20,6 ft it has the deck room to back that rating up comfortably. The South Bay 422FC - 25 in. Upgrade 2011 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
MakeSouth Bay
MakeSouth Bay
Model420F A
Model422FC - 25 in. Upgrade
Model Year2013
Model Year2011
Measurements / Dimensions
Beam8 ft. 6 in
Beam8 ft. 6 in
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Weight - Detail1,825 lbs
Weight - Detailnot available
Weight - kg827.81
Weight - kgnot available
Weight - lbs.1825
Weight - lbs.not available
Length [deck]19 ft. 11 in
Length [deck]19 ft. 8 in
Length - Feet20.58
Length - Feet21.58
Length overall - Detail20 ft. 7 in
Length overall - Detail21 ft. 7 in
Length overall - Meters6.27
Length overall - Meters6.58
Length overall - Inches247
Length overall - Inches259
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull typePontoon
Hull typePontoon
Pontoon and Inflatable Specific
Tube diameter25 in. Tube Length: 19 ft. 4 in
Tube diameter25 in
Number of tubesnot available
Number of tubes2
Engine and Drivetrain
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max90 hp
Engine maxnot available
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail31 gal
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters117.35
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal31
Horsepowernot available
Horsepower90 hp
Operational Info
Maximum capacity1,315 lbs. persons 1,815 lbs. persons, motors and gear
Maximum capacitynot available
Maximum people9
Maximum peoplenot available

South Bay 420F A 2013 vs South Bay 422FC - 25 in. Upgrade 2011 — Common Questions

Which is the larger boat — the South Bay 420F A 2013 or the South Bay 422FC - 25 in. Upgrade 2011?
The South Bay 422FC - 25 in. Upgrade 2011 is the longer of the two at 21,6 feet overall. The South Bay 420F A 2013 comes in at 20,6 feet, making it roughly 1,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
How many people can each boat hold?
The South Bay 420F A 2013 is Coast Guard rated for 9 passengers, while the South Bay 422FC - 25 in. Upgrade 2011 is certified for 6. 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.
Do these boats require an oversize trailer permit to tow on US highways?
Both the South Bay 420F A 2013 and South Bay 422FC - 25 in. Upgrade 2011 share an 8 ft. 6 in beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.
Are the South Bay 420F A 2013 and South Bay 422FC - 25 in. Upgrade 2011 from the same manufacturer?
Yes — both the South Bay 420F A 2013 and the South Bay 422FC - 25 in. Upgrade 2011 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.