A site dedicated to amateur boat building, with an on-line catalog of boat plans and kits, bulletin board, project registry, builder photos, news letters,. Seaworthy small craft . the bigger the boat, the more seaworthy it is. the natural home of most very small boats is the lake, harbor or sheltered estuary.. Naval architect, mike waters, provides a highly technical review of nine small folding trimarans, including six homebuildables..