Deenish Island (Irish: Duínis[1]) is an island of the Atlantic Ocean belonging to County Kerry, Ireland.

The island is 122 acres; its highest hill is at 144 m.[2] It's located in the Atlantic Ocean at around 1 km from Scariff Island[1] and 6.1 km from Hogs Head, on the mainland.

[3] In 1837 on Deenish (which at that time was called Dinish) resided three families who mainly lived on the cattle which grazed on the island.

[4] 1911 census still reported six people living on the island.

[1] Media related to Deenish Island at Wikimedia Commons