On either side of the bay are volcanic peaks topped with tropical foliage. 40km to the north is the Bataan Peninsula and to the south is Cavite Province.
Across the entrance to Manila Bay are several islands. The largest is Corregidor, which is 3km from Bataan and, along with the island of Caballo, separates the entrance into the northern and southern channels. In the south channel is El Fraile and outside the entrance, and to the south, is Carabao.
To the immediate north and south are additional harbors.
See also: Geography of the Philippines