Both the Steiger Craft Block Island 21 2008 and the Steiger Craft Chesapeake 23 2009 are modified-V designs, both built in fibreglass, 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 - Steiger Craft Block Island 21 2008 at 20,0 ft versus Steiger Craft Chesapeake 23 2009 at 23,0 ft. Weight tells a clearer story for trailering families: the Steiger Craft Chesapeake 23 2009 tips the scales at 5 000 lbs - 1 800 lbs less than the Steiger Craft Block Island 21 2008 at 3 200 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 300 hp, the Steiger Craft Chesapeake 23 2009 has a 100-hp advantage over the Steiger Craft Block Island 21 2008's 200-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 Steiger Craft Chesapeake 23 2009 is rated for 7 passengers, while the Steiger Craft Block Island 21 2008 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Steiger Craft Chesapeake 23 2009 could be the deciding factor.
Bottom line: Choose the Steiger Craft Chesapeake 23 2009 if your priority is putting more people on the water - it handles 7 passengers and at 23,0 ft it has the deck room to back that rating up comfortably. The Steiger Craft Block Island 21 2008 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.