The Marathon Seneca Utility 12 was built across 2 model years, from 2008 through to 2009 — a aluminum modified vee design with outboard propulsion.
Documented specifications include 11 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.