The Harris Flotebote Crowne 240 O/B 2005 vs Harris Flotebote Grand Mariner SL 250 (2-Tube) 2010 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.
On paper these two are close siblings in the size department — Harris Flotebote Crowne 240 O/B 2005 at 24,0 ft versus Harris Flotebote Grand Mariner SL 250 (2-Tube) 2010 at 25,0 ft. Weight tells a clearer story for trailering families: the Harris Flotebote Grand Mariner SL 250 (2-Tube) 2010 tips the scales at 2 963 lbs — 418 lbs less than the Harris Flotebote Crowne 240 O/B 2005 at 2 545 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 power gap is worth calling out. Rated to 175 hp, the Harris Flotebote Grand Mariner SL 250 (2-Tube) 2010 has a 35-hp advantage over the Harris Flotebote Crowne 240 O/B 2005's 140-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
For family outings this is probably the sharpest distinction between the two. The Harris Flotebote Crowne 240 O/B 2005 is rated for 14 passengers, while the Harris Flotebote Grand Mariner SL 250 (2-Tube) 2010 caps at 13. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Harris Flotebote Crowne 240 O/B 2005 could be the deciding factor.
Bottom line: Choose the Harris Flotebote Crowne 240 O/B 2005 if your priority is putting more people on the water — it handles 14 passengers and at 24,0 ft it has the deck room to back that rating up comfortably. The Harris Flotebote Grand Mariner SL 250 (2-Tube) 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 13 that costs less to run day-to-day.