Cañacao Bay is a small bay located within the larger Manila Bay in Luzon island in the Philippines. It is located along the northeastern end of the Cavite Peninsula and Cavite City, in the Province of Cavite. The bay is a good anchorage and it is bordered to the north by the Danilo Atienza Air Base of the Philippine Air Force and by the Naval Base Cavite of the Philippine Navy to the south. Both military bases previously were comprised by the Naval Station Sangley Point of the United States.