|Adjacent bodies of water|
|Area||580.5 km2 (224.1 sq mi)|
|Length||55 km (34.2 mi)|
|Width||23 km (14.3 mi)|
|Coastline||152.2 km (94.57 mi)|
|Highest elevation||549 m (1,801 ft)|
|Pop. density||142.3 /km2 (368.6 /sq mi)|
Tawitawi Island (also spelled Tawi Tawi or Tawi-Tawi) is a Philippine island in the Sulu Archipelago between the Sulu Sea and Celebes Sea, about 64 kilometres (40 mi) east of Borneo. It is the main island of Tawi-Tawi Province.
Tawitawi has an area of 580.5 square kilometres (224.1 sq mi), making it the 20th largest island of the Philippines, and the 3rd largest island in the Sulu Archipelago (after Basilan and Jolo). It has a shoreline length of 152.2 kilometres (94.6 mi), and a maximum elevation of 549 metres (1,801 ft).
Tawitawi Island is of volcanic origin and irregular in shape, about 55 kilometres (34 mi) long and between 10 to 23 kilometres (6.2 to 14.3 mi) wide. It is hilly and heavily wooded, with splashes of white sandy beaches and rock-bound coasts.
- "Islands of Philippines". Island Directory. United Nations Environment Programme. Retrieved 29 August 2014.
- "Tawi Tawi". www.britannica.com. Encyclopædia Britannica, Inc. Retrieved 29 August 2014.
- "Total Population by Province, City, Municipality and Barangay: as of May 1, 2010" (PDF). 2010 Census of Population and Housing. National Statistics Office. Retrieved 1 September 2014.