Schock Polynesian Concept Year Length Beam Draft Location Price 1971 37′ 17′ 2.5′ $49,500 Description: Here’s your chance to own a great family sailing catamaran for trips to Belize, the Bay Islands and other Caribbean destinations for under $50,000 (US)! This boat is a 1971 37′ CSK/Schock cat. It is the production version of the