In 1956, Laurance Rockefeller's Jackson Hole Preserve donated its extensive lands on the island to the United States' National Park Service, under the condition that the lands had to be protected from future development.
The boundaries of the Virgin Islands National Park include 75% of the island, but various in-holdings within the park boundary (e.g., Peter Bay, Maho Bay) reduce the park lands to 60% of the island acreage.