When two boats share the same hull type — in this case both the River Hawk Eco Sport Series 2013 and the River Hawk Sea Hawk Pro Series 2013 are deep vee 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?

Size is the most obvious dividing line here. The River Hawk Sea Hawk Pro Series 2013 measures 22,0 feet overall (2013), giving it roughly 5,0 additional feet of deck space compared to the River Hawk Eco Sport Series 2013 at 17,0 feet (2013). Weight tells a clearer story for trailering families: the River Hawk Eco Sport Series 2013 tips the scales at 145 lbs — 142 lbs more than the River Hawk Sea Hawk Pro Series 2013 at 3 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 500 hp, the River Hawk Sea Hawk Pro Series 2013 has a 250-hp advantage over the River Hawk Eco Sport Series 2013's 250-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the River Hawk Eco Sport Series 2013 carries 35 gallons versus 8 gallons in the River Hawk Sea Hawk Pro Series 2013. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

For family outings this is probably the sharpest distinction between the two. The River Hawk Sea Hawk Pro Series 2013 is rated for 6 passengers, while the River Hawk Eco Sport Series 2013 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the River Hawk Sea Hawk Pro Series 2013 could be the deciding factor.