| Illa de s'Espartar | |
| Map: | Spain Balearic Islands |
| Area Km2: | 5.40 |
| Location: | Balearic Sea |
| Coordinates: | 38.9587°N 1.1958°W |
| Archipelago: | Balearic Archipelago |
| Country Admin Divisions Title 2: | Autonomous Community |
| Country Admin Divisions 2: | Balearic Islands |
| Country Admin Divisions Title 3: | Province |
| Country Admin Divisions 3: | Ibiza |
| Country Admin Divisions Title 4: | Municipality |
| Country Admin Divisions 4: | Sant Josep de sa Talaia |
| Population: | 0 |
Illa de s'Espartar is a small uninhabited island of the north west seaboard of the Spanish island of Ibiza.[1] It is within the municipality of Sant Josep de sa Talaia.[2] The island is 8.4km (05.2miles) west of the town of Sant Antoni de Portmany and is one of the smaller islands of the Balearic archipelago.
The land is rocky and arid which supports 131 species including some endemic rare shrubs. This includes a very rare flowering alfalfa plant, alfalfa arborea. It is a member of the pea family and is on the red list[3] of threatened species. Other vegetation includes such shrubs and herbs as rosemary, thyme and rue, which grow in abundance here. The fauna of the island includes an abundance of rabbits. There is also a sub-species[4] of the Ibizan wall lizard on the island. It is also home to a colony of the endangered bird of prey Eleonora's falcon. There are also endemic beetles and snails. Birds include red-billed gulls and cormorants. There is also the largest colony in the western Mediterranean of the European storm petrel (Hydrobates pelagicus).