Lanai is the sixth-largest of the Hawaiian Islands and the smallest publicly accessible inhabited island in the chain. It is also known as Pineapple Island because of its past as an island-wide pineapple plantation. The island's only settlement of note is the small town of Lanai City. As of 2012, the island was 98% owned by Larry Ellison (Founder and Chairman of Oracle), with the remaining 2% owned by the state of Hawaii.

Lanai is a roughly comma-shaped island with a width of 18 miles in the longest direction. The land area is 140.5 square miles, making it the 42nd largest island in the United States. It is separated from the island of Molokai by the Kalohi Channel to the north, and from Maui by the Auau Channel to the east. The United States Census Bureau defines Lanai as Census Tract 316 of Maui County. Its total population shrank from 3,193 as of the 2000 census to 3,102 as of 2010. Many of the island's landmarks are accessible only by dirt roads that require a four-wheel drive vehicle.

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