This was used by the Chinese pirate Limahong in 1574 as his refuge when he ran away after a failed attempt to take Manila. Sangley point was also used as a military base by the American and Japanese troops. It is now occupied by the Philippine Navy for ship repair and dry docking.
Source: https://goo.gl/fCq9et
Location: Cavite City
Image Source: https://goo.gl/NULvUu
Sangley Point