Palm Beach Fishing 173 Whitecap 2006 boat specs
Palm Beach
Palm Beach Fishing 173 Whitecap 2006
2006
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VS
Palm Beach Pontoons 220 CastMaster 2011 boat specs
Palm Beach
Palm Beach Pontoons 220 CastMaster 2011
2011
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Palm Beach Fishing 173 Whitecap 2006 vs Palm Beach Pontoons 220 CastMaster 2011 — Same Brand, Different Boat

The Palm Beach Fishing 173 Whitecap 2006 vs Palm Beach Pontoons 220 CastMaster 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.

Size is the most obvious dividing line here. The Palm Beach Pontoons 220 CastMaster 2011 measures 22,0 feet overall (2011), giving it roughly 5,0 additional feet of deck space compared to the Palm Beach Fishing 173 Whitecap 2006 at 17,0 feet (2006). Weight tells a clearer story for trailering families: the Palm Beach Fishing 173 Whitecap 2006 tips the scales at 1 375 lbs — 1 217 lbs more than the Palm Beach Pontoons 220 CastMaster 2011 at 158 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

The power gap is worth calling out. Rated to 115 hp, the Palm Beach Pontoons 220 CastMaster 2011 has a 25-hp advantage over the Palm Beach Fishing 173 Whitecap 2006's 90-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.

For family outings this is probably the sharpest distinction between the two. The Palm Beach Pontoons 220 CastMaster 2011 is rated for 10 passengers, while the Palm Beach Fishing 173 Whitecap 2006 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Palm Beach Pontoons 220 CastMaster 2011 could be the deciding factor.

Bottom line: Choose the Palm Beach Pontoons 220 CastMaster 2011 if your priority is putting more people on the water — it handles 10 passengers and at 22,0 ft it has the deck room to back that rating up comfortably. The Palm Beach Fishing 173 Whitecap 2006 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.
General Boat Info
MakePalm Beach Fishing
MakePalm Beach Pontoons
Model173 Whitecap
Model220 CastMaster
Model Year2006
Model Year2011
Measurements / Dimensions
Beam88 in
Beam8 ft
Beam - Meters2.24
Beam - Meters2.44
Beam - Inches88
Beam - Inches96
Deadrise12℃
Deadrisenot available
Draft [drive up] - Detail6 in
Draft [drive up] - Detailnot available
Draft [drive up] meters0.15
Draft [drive up] metersnot available
Draft [drive up] inches6
Draft [drive up] inchesnot available
Draft [max] - Detail8 in
Draft [max] - Detailnot available
Draft [max] - Meters0.2
Draft [max] - Metersnot available
Draft [max] - Inches8
Draft [max] - Inchesnot available
Weight - Detail1,375 lbs
Weight - Detail1,580 lbs
Weight - kg623.69
Weight - kg716.68
Weight - lbs.1375
Weight - lbs.158
Height [transom]20 in
Height [transom]not available
Length - Feet17
Length - Feet22
Length - Inches6
Length - Inchesnot available
Length overall - Detail17 ft. 6 in
Length overall - Detail22 ft. pontoon length
Length overall - Meters5.33
Length overall - Meters6.71
Length overall - Inches21
Length overall - Inches264
Length [deck]not available
Length [deck]22 ft. Enclosed: 21 ft. 6 in
Engine and Drivetrain
Fuel tank capacity - Detail35 gal
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters132.49
Fuel tank capacity - Litersnot available
Fuel tank capacity - Gal35
Fuel tank capacity - Galnot available
Drive typeOutboard
Drive typeOutboard
Engine max90 hp
Engine max115 hp
Fuel typenot available
Fuel typeGas
Operational Info
Maximum people5
Maximum people10 @ 1,545 lbs
Maximum capacitynot available
Maximum capacity2,285 lbs
Body / Hull
Hull materialnot available
Hull materialAluminum
Hull typenot available
Hull typePontoon
Pontoon and Inflatable Specific
Tube diameternot available
Tube diameter23 in
Tube gaugenot available
Tube gauge0.080 in
Number of tubesnot available
Number of tubes2

Palm Beach Fishing 173 Whitecap 2006 vs Palm Beach Pontoons 220 CastMaster 2011 — Common Questions

Which is the larger boat — the Palm Beach Fishing 173 Whitecap 2006 or the Palm Beach Pontoons 220 CastMaster 2011?
The Palm Beach Pontoons 220 CastMaster 2011 is the longer of the two at 22,0 feet overall. The Palm Beach Fishing 173 Whitecap 2006 comes in at 17,0 feet, making it roughly 5,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Palm Beach Fishing 173 Whitecap 2006 or the Palm Beach Pontoons 220 CastMaster 2011?
For trailering, the Palm Beach Pontoons 220 CastMaster 2011 has the edge at 158 lbs dry weight versus 1 375 lbs for the Palm Beach Fishing 173 Whitecap 2006. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
Which boat can handle a bigger outboard?
The Palm Beach Pontoons 220 CastMaster 2011 is rated to a maximum of 115 hp, giving it the larger power ceiling. The Palm Beach Fishing 173 Whitecap 2006 tops out at 90 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 Palm Beach Fishing 173 Whitecap 2006 is Coast Guard rated for 5 passengers, while the Palm Beach Pontoons 220 CastMaster 2011 is certified for 10. 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 Palm Beach Pontoons 220 CastMaster 2011 measures 96" wide, compared to 88" for the Palm Beach Fishing 173 Whitecap 2006. 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.
Are the Palm Beach Fishing 173 Whitecap 2006 and Palm Beach Pontoons 220 CastMaster 2011 from the same manufacturer?
Yes — both the Palm Beach Fishing 173 Whitecap 2006 and the Palm Beach Pontoons 220 CastMaster 2011 are built by Palm Beach. 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.