- Over 1 million tons of bird guano was removed from the island between 1865-1901.
- The U.S. Coast Guard built a 162 foot lighthouse in 1917.
- Large seabird colonies present including over 5,000 nesting Red footed booby.
- Home to four endemic lizard species.
- Largely a marine resource
- To preserve and protect coral reef ecosystems and the marine environment.
- To restore and enhance native wildlife and plants.
- To provide opportunities for scientific research.