Public Directory Add to Address Book. Hawaii Tropical Bioreserve & Garden Hawaii Tropical Bioreserve & Garden Address 27-717 Old Mamalahoa Highway Papaikou HI 96781 United Statespostal Phone: 808-964-5233home Website: https://htbg.com/ Related by Category Hilo Axe Lounge (808) 498-0410home info@hiloaxelounge.comINTERNET East Hawai`i Cultural Center (808) 938-7650home development@ehcc.orgINTERNET Imiloa Astronomy Center of Hawai‘i 808-932-8901home imiloa.info@hawaii.eduINTERNET Hilo Coffee Mill 808-968-1333home hcmcoffee@msn.comINTERNET Hilo Town Market (808) 933-4004home hilotownmarket@gmail.comINTERNET Ka‘u Coffee Mill, LLC 808-928-0550home info@kaucoffeemill.comINTERNET Hawai‘i Volcanoes National Park (808) 985- 6000home Gourmet Barn, LLC (808) 491-5032home info@baumkuchenfarm.comINTERNET