The Sessa Marine Key Largo 20 2013 is a deep-V design and the Sessa Marine Key Largo 30 2012 is a modified-V design, so you're likely deciding between two noticeably 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 Sessa Marine Key Largo 30 2012 measures 29,5 feet overall (2012), giving it roughly 9,5 additional feet of deck space compared to the Sessa Marine Key Largo 20 2013 at 20,0 feet (2013). Weight tells a clearer story for trailering families: the Sessa Marine Key Largo 30 2012 tips the scales at 6 613 lbs - 4 739 lbs less than the Sessa Marine Key Largo 20 2013 at 1 874 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 150 hp, the Sessa Marine Key Largo 20 2013 has a 148-hp advantage over the Sessa Marine Key Largo 30 2012's 2-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Sessa Marine Key Largo 30 2012 carries 185 gallons versus 53 gallons in the Sessa Marine Key Largo 20 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 Sessa Marine Key Largo 30 2012 is rated for 10 passengers, while the Sessa Marine Key Largo 20 2013 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sessa Marine Key Largo 30 2012 could be the deciding factor.