To dream of a ship symbolizes your awareness of your present state of mind and feelings. The type of ship reflects your current emotional state. A cruise ship implies that you are feeling satisfied and are in high spirits. If it happens to be a warship, then this suggests that you are experiencing anger or hostility.
To dream that you are sailing in the ocean indicates that you are adept at handling confused or turbulent feelings.
To dream that a ship has crashed or is sinking denotes that you feel unable to manage a certain part of your life. You may feel scared or hesitant about your feelings pertaining to a person or event. Your fear the thought that something or someone important to you is slipping away.