Imagine having your boat, and not just an ordinary boat. Imagine building with your own hand and being the proud owner of a Grand Bankers Dory. The American Heritage Dictionary of the English Language defines dory as: Dory n. pl. Dories A small, narrow, flatbottom fishing boat with high sides and a sharp prow. The common Dory size ranges from 10 feet to 14 feet in length and can hold from 3 to 5 persons. A Grand Banks Dory is usually 16 feet in length. The traditional Grand Banks Dory is als.