The Work Boat is a non-combat unit which can build tile improvements on the sea. It cannot enter ocean spaces until Astronomy has been researched.

Civilopedia EntryEdit

A work boat is a vessel designed to perform useful tasks at sea. Work boats come in a variety of forms, depending upon their particular employment - from simple fishing boats designed to deploy nets and lobster pots to small but powerful tugboats to mighty icebreakers to massive vessels capable of moving an entire oil platform.