Red Stripes: The 16 barangays of the Municipality.
Shield: From the Provincial Seal of Zambales where the town is located.
Sea: Portrays the beautiful beaches of Subic.
Carabao: Portrays agriculture.
Shell: Represents the panoramic view of the bay.
Anchor: Symbolizes ships docked at the bay for its repair and/or its crew's liberty.
Ship: Port Dizon (BCI), the Philippine Shipyard Engineering Corporation, and the former US Naval Facilities.