- Military Vessels - Armed ships designed for combat, defense, or enforcement of political or military power.
- Exploration Vessels - Ships built for long-range travel, discovery, research, and first-contact missions.
- Civilian Vessels - Non-military ships used for transport, habitation, leisure, or personal travel.
- Commerce Vessels - Ships dedicated to trade, freight, resource transport, or economic infrastructure.
- Personal Vessels - Privately owned ships used by individuals or small crews for independent travel.
- Exotic Vessels - Unconventional or unique ships that defy standard classification due to design, origin, or function.