Matching a modified vee Stanley Boats Camp Tiller 18 ft. Floor 2010 against a deep vee Stanley Boats Islander I/O 21 2012 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.
Size is the most obvious dividing line here. The Stanley Boats Islander I/O 21 2012 measures 21,7 feet overall (2012), giving it roughly 3,7 additional feet of deck space compared to the Stanley Boats Camp Tiller 18 ft. Floor 2010 at 18,0 feet (2010). Weight tells a clearer story for trailering families: the Stanley Boats Islander I/O 21 2012 tips the scales at 2 765 lbs — 2 680 lbs less than the Stanley Boats Camp Tiller 18 ft. Floor 2010 at 85 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 200 hp, the Stanley Boats Islander I/O 21 2012 has a 140-hp advantage over the Stanley Boats Camp Tiller 18 ft. Floor 2010's 60-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 Stanley Boats Islander I/O 21 2012 is rated for 8 passengers, while the Stanley Boats Camp Tiller 18 ft. Floor 2010 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Stanley Boats Islander I/O 21 2012 could be the deciding factor.
Bottom line: Choose the Stanley Boats Islander I/O 21 2012 if your priority is putting more people on the water — it handles 8 passengers and at 21,7 ft it has the deck room to back that rating up comfortably. The Stanley Boats Camp Tiller 18 ft. Floor 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.