Captain Cook, Hawaii by Honaunau-Napoopoo. Hawaii Route 11, part of the Hawaii Belt Road, passes through the community, leading north to Kailua-Kona and south to Naalehu. Hawaii Route 160 diverges from Route 11 in Captain Cook, leading south by a winding road to Napoopoo on Kealakekua Bay. According to the United States Census Bureau, the Captain Cook CDP has a total area of , all of it land. Most of Captain Cook lies between the and elevation, which makes it ideal as a coffee-growing region. It sits on the top of an ancient fault which created the famous Kealakekua Bay. Prior to the
Cook Island Aquatic Reserve area hosts diverse fauna and has been noted by Tweed Shire Council's Coast and Waterways Officer, Tom Alletson as an important habitat of sharks. The marine surrounding Cook Island contains a wide variety of fish species, anemonefish, bullseyes, groupers, leatherjackers, parrotfish, pufferfish, surgeonfish, sweetlips and trevally. The island's marine also has a mass of additional species, including brittle stars, flatworms, shrimps and nudibranchs. The marine is frequented by migratory shark species, blind sharks ("Brachaelurus waddi"), leopard sharks ("Triakis semifasciata") and wobbegongs. Other native animals include crustaceans, green turtles, jellyfish, molluscs and stingrays. Cook Island Aquatic Reserve Cook Island Aquatic Reserve