The Mariah R18.9 was built across 2 model years, from 2009 through to 2010 — a fiberglass modified vee design with i/o propulsion.
Documented specifications include 18.33 ft in overall length, a dry weight of 33 lbs, a maximum engine rating of 225 hp (168 kW), capacity for 8 people and a 22-gallon fuel tank. Click any year card below to view the full spec sheet.
Specifications are consistent across all model years in our database.