Dyment Island
Dyment Island is a small island lying 9 kilometers (5 nmi) southwest of the McKinzie Islands in the inner-central part of Cranton Bay.
Discovery and name
The island was mapped by the United States Geological Survey from surveys and U.S. Navy air photos collected during the years 1960–66. Dryment Island was was named by the Advisory Committee on Antarctic Names in honor of Donald I. Dyment, a U.S. Navy cook at Byrd Station during the 1967 research season.
Peerage title
On 23 November 2025, Francesco Deleonardis was granted the peerage title Duke of Dyment in recognition of his support for Westarctica. His Grace's title was so-named for Dyment Island.