On January 7, 1961 the first "16-foot" hull was produced by Boston Whaler, with a 16-foot 7-inch length-overall and a 6-foot 2-inch beam. This hull weighed approximately 500 pounds, and was similar in its lines to the the original 13-foot hull. Forward, there were two distinct and sharp sponsons or runners, set nearly the full width of the hull, and a moderately vee-ed center full. At the stern, the runners diminished to a gently rounded shape and flowed into a slightly rounded center section which provided a broad, flat area for planing.
When the hull development was finished, the test center console was refined as well and moved into production. Three early models, the Nauset, Eastport, and Sakonnet, featured elaborate Philippine mahogany center consoles with wood-framed windshields. These boats were the first manifestation of the center console fishing boat so common today. The Sakonnet offered a forward raised platform, and introduced a unique new seating arrangement: the Reversible Pilot Seat. These interiors were constructed with beautiful varnished mahogany components. The Reversible Pilot Seat would later switch to teak construction and become standard equipment on the Montauk.