Question: things to do kona island?
Answer: Mauna Kea. Mauna Kea Summit. If you can only do one thing on the Big Island, you must visit Mauna Kea Summit. ... 
Manini'owali Beach in Kua Bay. Manini'owali Beach. ... 
Makalawena Beach. Makalawena/Pu'u Ali'i Beach. ... 
Kaloko-Honokohau National Historical Park. Kaloko-Honokohau National Historical Park.