It comprises 134 hectares (330 acres) of land, proclaimed in 1972 to conserve island habitat within Streaky Bay and sea bird breeding colonies.

[3] On the south-western, more exposed flanks of the island, waves have undercut the wall and carved blowholes, scalloped ridges and blades of jagged rock into the limestone.

[3] Creeping Boobialla (Myoporum parvifolium) is found on Eba Island and is listed under the National Parks and Wildlife Act 1972 as Rare.

A species list of flora and fauna can be found in the Island Parks of Western Eyre Peninsula Management Plan.

[3] Eba Island conservation park was constituted by statute in 1972 and is classified as an IUCN Category Ia protected area.