Huleʻia
- National wildlife refuge (238 acres), Nāwiliwili, Kauaʻi. Established in 1973 to include the Huleʻia Stream estuary, a habitat for endangered waterbirds, and Huleʻia Valley. The refuge protects the largest population of kōloa, or Hawaiian ducks, on Kauaʻi.
- River, Nāwiliwili, Kauaʻi. Navigable river that is accessed from Nāwiliwili Harbor or Niumalu Beach Park. A kind of pumice stone.