Naval simulations: ships, boats, etc.

Galleons of Glory is an abandoned educational historical simulation game developed and published by Broderbund in 1990. As Magellan your mission is to circumnavigate the world while managing your crew and ship.

Great Naval Battles vol. 5: Demise of the Dreadnoughts 1914-18 is an abandoned naval simulation game, developed for DOS only by Divide by zero and released by SSI Strategic Simulations Inc. in 1996. As the title implies, Great Naval Battles vol. 5 is a fairly accurate historical simulation set in World War I. The game also includes a mission editor.