When two boats share the same hull type — in this case both the Silver Wave 220 Island L 2013 and the Silver Wave 250 Island L 2013 are pontoon designs with aluminum construction — 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?
On paper these two are close siblings in the size department — Silver Wave 220 Island L 2013 at 23,8 ft versus Silver Wave 250 Island L 2013 at 26,0 ft. At 195 lbs and 225 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 150 hp, the Silver Wave 250 Island L 2013 has a 35-hp advantage over the Silver Wave 220 Island L 2013's 115-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 26 gal and 26 gal — so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Silver Wave 250 Island L 2013 is rated for 14 passengers, while the Silver Wave 220 Island L 2013 caps at 12. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Silver Wave 250 Island L 2013 could be the deciding factor.
Bottom line: Choose the Silver Wave 250 Island L 2013 if your priority is putting more people on the water — it handles 14 passengers and at 26,0 ft it has the deck room to back that rating up comfortably. The Silver Wave 220 Island L 2013 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 12 that costs less to run day-to-day.