In 1949 the monument boundaries were expanded to include «the area within one (1) nautical mile of the shoreline of Anacapa and Santa Barbara Islands.» (nps.gov)
Naue Beach offers miles of shoreline for walking and quiet areas to relax under the tropical Kauai sun. (parrishkauai.com)
It occupies 1/2 mile of shoreline along Lake Winnipesaukee. (blog.feedspot.com)