Ilha Grande, Piauí

Ilha Grande
Location in Piauí and Brazil
Coordinates: 02°51′28″S 41°49′15″W / 2.85778°S 41.82083°W / -2.85778; -41.82083
CountryBrazil
RegionNortheast
StatePiauí
SettledJanuary 26, 1997
Government
  MayorJoana Darc Sertão (PSDB)
Area
  Total
134.318 km2 (51.860 sq mi)
Elevation
10 m (30 ft)
Population
 (2020 )
  Total
9,457
  Density64.4/km2 (167/sq mi)
Time zoneUTC−3 (BRT)

Ilha Grande is one of the four coastal cities of Piauí, Brazil. It is also the northernmost city of the state.

The municipality contains part of the 313,800 hectares (775,000 acres) Delta do Parnaíba Environmental Protection Area, created in 1996.