Both the Harris Flotebote Grand Mariner 240 2011 and the Harris Flotebote Grand Mariner SL 250 (2-Tube) 2010 are pontoon designs, both built in aluminium, 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?

On paper these two are close siblings in the size department - Harris Flotebote Grand Mariner 240 2011 at 24,0 ft versus Harris Flotebote Grand Mariner SL 250 (2-Tube) 2010 at 25,0 ft. At 3 000 lbs and 2 963 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 Harris Flotebote Grand Mariner SL 250 (2-Tube) 2010 tops out at 175 hp. Engine specs for the Harris Flotebote Grand Mariner 240 2011 aren't listed - confirm with a dealer before selecting an outboard.

For family outings this is probably the sharpest distinction between the two. The Harris Flotebote Grand Mariner SL 250 (2-Tube) 2010 is rated for 13 passengers, while the Harris Flotebote Grand Mariner 240 2011 caps at 12. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Harris Flotebote Grand Mariner SL 250 (2-Tube) 2010 could be the deciding factor.