islandareas (DATA) table, bounds info on lat lon of US Island Areas
Source:R/data_islandareas.R
islandareas.Rd
data.frame of info on approximate lat lon bounding boxes around American Samoa, Guam, the Commonwealth of the Northern Mariana Islands (Northern Mariana Islands), and the United States Virgin Islands.
See also stateinfo and stateinfo2
See source package files datacreate_islandareas.R or EJAM/data-raw/islandareas.xlsx
Note the US minor outlying islands are not in that list and are widely dispersed. They include Midway Islands, etc.