Simunul is a municipality in the province of Tawi-Tawi.

According to the 2000 census, it has a population of 31,962 people in 4,910 households.

The language spoken is Sama, also known as Sinama or Samal. The first Muslims in the Philippines are said to have arrived at Simunul.

There are six beaches in Simunul. The majority of the people are Muslims.

Simunul is politically subdivided into 15 barangays.

The place has two seasons: dry and wet The climate is generally moderate. The wettest months are from August to November. The other months of the year are generally dry with occasional rain showers.