Marathon Seneca 12

Q: What years was the Marathon Seneca 12 produced?

Our records show the Marathon Seneca 12 was available from 2007 through to 2012 — a production run of 4 model years. Use the year cards above to find the specific year you're researching.

Q: How long is the Marathon Seneca 12?

The Marathon Seneca 12 measures 11.67 feet in overall length. Always confirm against the specific year sheet, as dimensions can vary between model year revisions.

Q: How much does the Marathon Seneca 12 weigh?

The Marathon Seneca 12 has a documented dry weight of 121 lbs. Add your motor, fuel, and gear when calculating total towing weight.

Q: What is the maximum horsepower for the Marathon Seneca 12?

The Marathon Seneca 12 has a maximum engine rating of 10 hp. Always fit an engine at or below the rated maximum to stay within the builder's safety specification.

Q: How many people can the Marathon Seneca 12 carry?

The Marathon Seneca 12 is rated for 3 passengers. As a practical guide, most experienced skippers aim for around 80% of rated capacity for a comfortable day on the water.

Q: What hull type does the Marathon Seneca 12 use?

The Marathon Seneca 12 features a aluminum modified vee hull. Deep-V and modified-V hulls cut through chop efficiently and are popular for fishing and general runabout use.

Q: Who makes the Marathon Seneca 12?

The Marathon Seneca 12 is manufactured by Marathon. Browse the full Marathon spec catalogue to compare other models from the same range.

Marathon Seneca 12 — all spec sheets

Small

Model Overview

Marathon Seneca 12 Specifications

Length11.67 ft

Beam55 in

Weight121 lbs

Max HP10 hp

Capacity3 people

Years Made2007–2012

HullModified Vee

MaterialAluminum

The Marathon Seneca 12 was built across 4 model years, from 2007 through to 2012 — a aluminum modified vee design with outboard propulsion.

Documented specifications include 11.67 ft in overall length, a dry weight of 121 lbs, a maximum engine rating of 10 hp and capacity for 3 people. Click any year card below to view the full spec sheet.

Specifications are consistent across all model years in our database.

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2007 2010 2011 2012

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2007 vs 2010 2010 vs 2011 2011 vs 2012

Spec sheets — all years

Marathon Seneca 12 2012 Boat Specs

2012

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Marathon Seneca 12 2011 Boat Specs

2011

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Marathon Seneca 12 2010 Boat Specs

2010

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Marathon Seneca 12 2007 Boat Specs

2007

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Marathon Seneca 12 — Common Questions

What years was the Marathon Seneca 12 produced?

Our records show the Marathon Seneca 12 was available from 2007 through to 2012 — a production run of 4 model years. Use the year cards above to find the specific year you're researching.

How long is the Marathon Seneca 12?

The Marathon Seneca 12 measures 11.67 feet in overall length. Always confirm against the specific year sheet, as dimensions can vary between model year revisions.

How much does the Marathon Seneca 12 weigh?

The Marathon Seneca 12 has a documented dry weight of 121 lbs. Add your motor, fuel, and gear when calculating total towing weight.

What is the maximum horsepower for the Marathon Seneca 12?

The Marathon Seneca 12 has a maximum engine rating of 10 hp. Always fit an engine at or below the rated maximum to stay within the builder's safety specification.

How many people can the Marathon Seneca 12 carry?

The Marathon Seneca 12 is rated for 3 passengers. As a practical guide, most experienced skippers aim for around 80% of rated capacity for a comfortable day on the water.

What hull type does the Marathon Seneca 12 use?

The Marathon Seneca 12 features a aluminum modified vee hull. Deep-V and modified-V hulls cut through chop efficiently and are popular for fishing and general runabout use.

Who makes the Marathon Seneca 12?

The Marathon Seneca 12 is manufactured by Marathon. Browse the full Marathon spec catalogue to compare other models from the same range.