It is called the "Venice of the Philippines" due to the use of boats as primary transportation, although footbridges connect one house from another. The major sources of livelihood are fishing and farming, although there is very sparse agricultural land available.
Sitangkai was created as a municipality on August 26, 1959, by virtue of Executive Order No. 355 of PresidentCarlos P. Garcia. On October 21, 2006, with the ratification of Muslim Mindanao Autonomy Act No. 197, 16 of its 25 barangays were transferred to the newly created municipality of Sibutu. All of which are located on Sibutu Island.