When two boats share the same hull type — in this case both the Harris Flotebote Grand Mariner 230 SEL 2011 and the Harris Flotebote Super Sunliner 220 2010 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 — Harris Flotebote Grand Mariner 230 SEL 2011 at 23,0 ft versus Harris Flotebote Super Sunliner 220 2010 at 22,0 ft. Weight tells a clearer story for trailering families: the Harris Flotebote Grand Mariner 230 SEL 2011 tips the scales at 3 477 lbs — 3 450 lbs more than the Harris Flotebote Super Sunliner 220 2010 at 27 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

The Harris Flotebote Grand Mariner 230 SEL 2011 carries a rated maximum of 300 hp. Engine data for the Harris Flotebote Super Sunliner 220 2010 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Both carry nearly identical fuel loads — 81 gal and 81 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Harris Flotebote Super Sunliner 220 2010 is rated for 15 passengers, while the Harris Flotebote Grand Mariner 230 SEL 2011 caps at 14. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Harris Flotebote Super Sunliner 220 2010 could be the deciding factor.