The Starcraft Marine Limited 2119 I/O 2011 is a modified-V design and the Starcraft Marine Stardeck 226 Cruise 2012 is a pontoon design, so you're likely deciding between two noticeably different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.
On paper these two are close siblings in the size department - Starcraft Marine Limited 2119 I/O 2011 at 21,3 ft versus Starcraft Marine Stardeck 226 Cruise 2012 at 23,8 ft. At 2 100 lbs and 2 200 lbs respectively, both sit in a similar weight class - either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
The power gap is worth calling out. Rated to 300 hp, the Starcraft Marine Limited 2119 I/O 2011 has a 150-hp advantage over the Starcraft Marine Stardeck 226 Cruise 2012's 150-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Starcraft Marine Limited 2119 I/O 2011 carries 45 gallons versus 30 gallons in the Starcraft Marine Stardeck 226 Cruise 2012. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
For family outings this is probably the sharpest distinction between the two. The Starcraft Marine Stardeck 226 Cruise 2012 is rated for 12 passengers, while the Starcraft Marine Limited 2119 I/O 2011 caps at 10. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Starcraft Marine Stardeck 226 Cruise 2012 could be the deciding factor.
Bottom line: Choose the Starcraft Marine Stardeck 226 Cruise 2012 if your priority is putting more people on the water - it handles 12 passengers and at 23,8 ft it has the deck room to back that rating up comfortably. The Starcraft Marine Limited 2119 I/O 2011 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 10 that costs less to run day-to-day.