Siquijor is an island of the Philippines located in the Central Visayas between Cebu, Negros, Bohol, and Mindanao. The Spaniards called Siquijor Isla del Fuego or “Island of Fire,” because the island gave off an eerie glow. This glow came from the great swarms of fireflies that harbored in the numerous molave trees on the island. which … More Isla del Fuego: Siquijor Island