 The Watkins 36 is a development of the Portman 36 and was developed into the center cockpit Watkins 36C.The silent partner in Auroraglas purchased the rights to the center-cockpit Tripp-designed Coronado 35 and Columbia 36 designs from Columbia Yachts and the tooling was modified to become the aft-cockpit Portman 36.That design was produced by Auroraglas and then Watkins Yachts, in Clearwater, Florida, United States after the companies were merged.