Both the Mitzi Skiffs Mitzi 15 2007 and the Mitzi Skiffs Mitzi 17 2011 are modified-V designs, so the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?
The Mitzi Skiffs Mitzi 17 2011 tops out at 70 hp. Engine specs for the Mitzi Skiffs Mitzi 15 2007 aren't listed - confirm with a dealer before selecting an outboard.
For family outings this is probably the sharpest distinction between the two. The Mitzi Skiffs Mitzi 17 2011 is rated for 5 passengers, while the Mitzi Skiffs Mitzi 15 2007 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Mitzi Skiffs Mitzi 17 2011 could be the deciding factor.
Bottom line: Choose the Mitzi Skiffs Mitzi 17 2011 if your priority is putting more people on the water - it handles 5 passengers and at 16,8 ft it has the deck room to back that rating up comfortably. The Mitzi Skiffs Mitzi 15 2007 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 4 that costs less to run day-to-day.