The Nauticat Yachts Nauticat 331 Shoal draft Shoal draft 1999 vs Nauticat Yachts Nauticat 351 2006 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 — Nauticat Yachts Nauticat 331 Shoal draft Shoal draft 1999 at 34,1 ft versus Nauticat Yachts Nauticat 351 2006 at 34,1 ft. Weight tells a clearer story for trailering families: the Nauticat Yachts Nauticat 331 Shoal draft Shoal draft 1999 tips the scales at 18 298 lbs — 1 763 lbs more than the Nauticat Yachts Nauticat 351 2006 at 16 535 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 75 hp, the Nauticat Yachts Nauticat 331 Shoal draft Shoal draft 1999 has a 21-hp advantage over the Nauticat Yachts Nauticat 351 2006's 54-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Nauticat Yachts Nauticat 331 Shoal draft Shoal draft 1999 carries 119 gallons versus 89 gallons in the Nauticat Yachts Nauticat 351 2006. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
Both boats are rated for 10 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.
Both boats sit in a similar displacement bracket — 18 298 lbs for the Nauticat Yachts Nauticat 331 Shoal draft Shoal draft 1999 and 16 535 lbs for the Nauticat Yachts Nauticat 351 2006. Comparable displacement means broadly similar seakeeping behaviour and load capacity, though hull form and ballast ratio will still produce noticeably different sailing characteristics.
Both boats draw a similar depth — 4,1 ft and 5,1 ft respectively. Marina access and anchorage options should be broadly equivalent between the two.
The Nauticat Yachts Nauticat 331 Shoal draft Shoal draft 1999 is rigged as a ketch while the Nauticat Yachts Nauticat 351 2006 carries Sloop rigging — a meaningful difference in sail handling complexity, upwind performance, and the size of crew you'll need to work the boat comfortably. For auxiliary power the Nauticat Yachts Nauticat 331 Shoal draft Shoal draft 1999 carries a 75-hp engine against 54 hp on the Nauticat Yachts Nauticat 351 2006. Motoring range and ability to punch through a foul current or enter a tight marina under power will favour the more powerful installation.
Hull speed is rated at 7,3 knots for the Nauticat Yachts Nauticat 351 2006 and 7,1 knots for the Nauticat Yachts Nauticat 331 Shoal draft Shoal draft 1999.
Bottom line: The Nauticat Yachts Nauticat 331 Shoal draft Shoal draft 1999 and Nauticat Yachts Nauticat 351 2006 are closely matched on paper. A sea trial on both in representative conditions is the only reliable way to find which one suits your sailing style, home port, and intended cruising ground.