Castillo Point is an ice-covered headland which marks the east side of the terminus of Land Glacier

Land Glacier

Land Glacier , is a broad, heavily-crevassed glacier, about 35 miles long, descending into Land Bay in Marie Byrd Land, Antarctica. Discovered by the U.S. Antarctic Service and named for R. Admiral Emory S. Land, Chairman of the U.S. Maritime Commission....

 on the coast of Marie Byrd Land

Marie Byrd Land

Marie Byrd Land is the portion of West Antarctica lying east of the Ross Ice Shelf and the Ross Sea and south of the Pacific Ocean, extending eastward approximately to a line between the head of the Ross Ice Shelf and Eights Coast. It stretches between 158°W and 103°24'W...

. It was mapped by the United States Geological Survey

United States Geological Survey

The United States Geological Survey is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The organization has four major science disciplines, concerning biology,...

 from surveys and from U.S. Navy aerial photographs, 1959–65, and named by the Advisory Committee on Antarctic Names

Advisory Committee on Antarctic Names

The Advisory Committee on Antarctic Names is an advisory committee of the United States Board on Geographic Names responsible for recommending names for features in Antarctica...

 for Rudy Castillo, aerographer, U.S. Navy, with the Marie Byrd Land Survey party and at Hallett Station, respectively, during Operation Deep Freeze

Operation Deep Freeze

Operation Deep Freeze is the codename for a series of United States missions to Antarctica, beginning with "Operation Deep Freeze I" in 1955–56, followed by "Operation Deep Freeze II", "Operation Deep Freeze III", and so on...

1968 and 1969.