The island is known for Mount Pan de Azucar (Sugarloaf Mountain) a steep volcanic cone and a prominent landmark at the northern entrance of Guimaras Strait.

Pan de Azucar is the largest of 16 outlying islands of the town and makes up nearly 19 percent of Concepcion's total land area.

Captain Juan Salagao, who was mayor of Sugbú at the time, defeated Spanish forces who had come up from Mindanao, intent on burning down Arevalo and Octóng.

[8] It has been speculated that Pan de Azucar contains possible mining deposits of gold, silver, copper, and zinc.

[3][9][10] Typhoon Haiyan passed directly over Pan de Azucar in 2013, damaging houses, food stores, and fishing boats.