Download coordinates as: As a country comprising over 7,100 islands packed in an area of 300,000 km2 (120,000 sq mi) and having the fifth-longest coastline in the world, the Philippine coast has a total length of 36,289 km (22,549 mi) and is very irregular, with numerous bays, gulfs, and islets.
With more than 5,000 nautical miles (9,300 km) of coasting routes and tortuous channels regularly navigated by vessels trading among some 300 separate ports, navigation aids like lighthouses help mariners against misnavigation and guide them to safety and out of danger from grounding on its treacherous reef and shoals.
[2] Large international ships rely on lighthouses to guide them safely out from the open sea and into Philippine waters.
Once within Philippine waters, lighthouses help them maneuver through its narrow straits and channels, pointing out safe passages and leading vessels to their destination ports.
[4] As an archipelago, the continuous development and prosperity of the country is linked to maritime travel.