Zodiac Mark II ST 2009 vs Zodiac Pro Open 650 2010 - Boat Spec Comparison

Q: Which is the larger boat — the Zodiac Mark II ST 2009 or the Zodiac Pro Open 650 2010?

The Zodiac Pro Open 650 2010 is the longer of the two at 21,3 feet overall. The Zodiac Mark II ST 2009 comes in at 13,8 feet, making it roughly 7,6 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: Which boat can handle a bigger outboard?

The Zodiac Pro Open 650 2010 is rated to a maximum of 175 hp, giving it the larger power ceiling. The Zodiac Mark II ST 2009 tops out at 40 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.

Q: How many people can each boat hold?

The Zodiac Mark II ST 2009 is Coast Guard rated for 7 passengers, while the Zodiac Pro Open 650 2010 is certified for 5. 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.

Q: Are the Zodiac Mark II ST 2009 and Zodiac Pro Open 650 2010 from the same manufacturer?

Yes — both the Zodiac Mark II ST 2009 and the Zodiac Pro Open 650 2010 are built by Zodiac. 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

Zodiac Mark II ST 2009 vs Zodiac Pro Open 650 2010

Zodiac

Zodiac Mark II ST 2009

2009

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Zodiac

Zodiac Pro Open 650 2010

2010

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Detailed Evaluation & Buyer Recommendation

Zodiac Mark II ST 2009 vs Zodiac Pro Open 650 2010 — Same Brand, Different Boat

Matching a inflatable non rigid Zodiac Mark II ST 2009 against a inflatable rigid Zodiac Pro Open 650 2010 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.

The power gap is worth calling out. Rated to 175 hp, the Zodiac Pro Open 650 2010 has a 135-hp advantage over the Zodiac Mark II ST 2009's 40-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 Zodiac Mark II ST 2009 is rated for 7 passengers, while the Zodiac Pro Open 650 2010 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Zodiac Mark II ST 2009 could be the deciding factor.

Bottom line: Choose the Zodiac Mark II ST 2009 if your priority is putting more people on the water — it handles 7 passengers and at 13,8 ft it has the deck room to back that rating up comfortably. The Zodiac Pro Open 650 2010 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

MakeZodiac

ModelMark II ST

ModelPro Open 65

Model Year2009

Model Year201

Measurements / Dimensions

Length - Feet13.75

Length - Feet21.33

Length overall - Detail13 ft. 9 in. (4.2 m)

Length overall - Detail21 ft. 4 in. (6.5 m)

Length overall - Meters4.19

Length overall - Meters6.5

Length overall - Inches165

Length overall - Inches256

Beamnot available

Beam8 ft. 2 in. (2.5 m)

Beam - Metersnot available

Beam - Meters2.49

Beam - Inchesnot available

Beam - Inches98

Weight - Detailnot available

Weight - Detail1,477 lbs. (670 kg)

Weight - kgnot available

Weight - kg669.96

Weight - lbs.not available

Weight - lbs.1477

Body / Hull

Hull materialInflatable

Hull materialFiberglass

Hull typeInflatable Non Rigid

Hull typeInflatable Rigid

Engine and Drivetrain

Fuel typeGas

Drive typeOutboard

Engine max40 hp (30 kW)

Engine max175 hp (131 kW)

Fuel tank capacity - Detailnot available

Fuel tank capacity - Detail31.7 gal (120 l)

Fuel tank capacity - Litersnot available

Fuel tank capacity - Liters121.13

Fuel tank capacity - Galnot available

Fuel tank capacity - Gal31.7

Operational Info

Maximum capacity1,851 lbs. (840 kg)

Maximum capacity2,370 - 3,527 lbs. (1,075 - 1,600 kg)

Maximum people7

Maximum people5 / 13

Pontoon and Inflatable Specific

Tube diameternot available

Tube diameter1 ft. 11 in. (0.575 m)

Performance

Maximum speednot available

Maximum speed48 mph (77 km/h)

Zodiac Mark II ST 2009 vs Zodiac Pro Open 650 2010 — Common Questions

Which is the larger boat — the Zodiac Mark II ST 2009 or the Zodiac Pro Open 650 2010?

The Zodiac Pro Open 650 2010 is the longer of the two at 21,3 feet overall. The Zodiac Mark II ST 2009 comes in at 13,8 feet, making it roughly 7,6 ft shorter — a meaningful difference in deck room and overall on-water presence.

Which boat can handle a bigger outboard?

The Zodiac Pro Open 650 2010 is rated to a maximum of 175 hp, giving it the larger power ceiling. The Zodiac Mark II ST 2009 tops out at 40 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 Zodiac Mark II ST 2009 is Coast Guard rated for 7 passengers, while the Zodiac Pro Open 650 2010 is certified for 5. 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.

Are the Zodiac Mark II ST 2009 and Zodiac Pro Open 650 2010 from the same manufacturer?

Yes — both the Zodiac Mark II ST 2009 and the Zodiac Pro Open 650 2010 are built by Zodiac. 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.

← Zodiac Mark II ST 2009 full specs ← Zodiac Pro Open 650 2010 full specs