page_title: Popponesset Island, Massachusetts
section_title: History
hierarchical_section_title: Popponesset Island, Massachusetts / History
caption_attribution_description: English: EAC Training at Poponessett Beach during World War II.
context_page_description: Popponesset Island is a census-designated place in the town of Mashpee in Barnstable County, Massachusetts, United States. The population was 26 at the 2010 census.
context_section_description: During World War II, Popponesset Island was used for amphibious assault training.
caption: Trainees conduct artillery training.
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