Ship: The ship can sail on seas but not rivers or lakes. You can disembark at any point the party can travel on foot.
Canoe: The canoe is used to travel rivers and lakes.
Snowcraft: Carries the party accross deep snow.
Chocobo: A friendly bird that carries the party across land at twice normal walking speed. It cannot cross seas or rivers, however. While riding a chocobo, the party will not encounter any enemies.
Airship: Traveling by airship is much faster than walking. Press the "X" button to board and disembark. The airship can only land on open plains.