Corregidor Island sits at the mouth of Manila Bay and is accessible from Cavite province by boat. The island is one of the most significant WWII sites in Southeast Asia — a place where Filipino and American forces held out for months against Japanese assault in 1942 before the garrison surrendered. The ruins are extensive: ruined barracks, gun batteries, the Malinta Tunnel network where the command was headquartered, and various memorials.
The Sun Cruises ferry from Manila also stops at Cavite, making it possible to combine a visit to Corregidor with a day in Cavite City. Guided tramvia tours on the island cover the main sites and are well worth taking — the history is complex and the guides provide context that transforms what would otherwise be hard-to-read ruins into a vivid narrative.
The island is managed as a national park and heritage site. Day trip packages from Manila or Cavite include the ferry, tramvia tour, and lunch. Overnight stays at the Corregidor Inn are possible for those who want more time.