The State of Hawaii's territory was defined thus in the Hawaii Admission Act:
The State of Hawaii shall consist of all the islands, together with their appurtenant reefs and territorial waters, included in the Territory of Hawaii on the date of enactment of this Act, except the atoll known as Palmyra Island, together with its appurtenant reefs and territorial waters, but said State shall not be deemed to include the Midway Islands, Johnston Island, Sand Island (off-shore from Johnston Island), or Kingman Reef, together with their appurtenant reefs and territorial waters