Possible Clues:

• Long, on Niihau
• Mauna ___ volcano
• Mauna -- (volcano in Hawaii)
• Mauna ___ (volcano)
• 'Aloha nui ___' ('Much love,' in Hawaii)
• Mauna follower, in a volcanic name
• Mauna -- (Hawaiian volcano)
• Mahalo nui ___ (thank you very much, in Hawaiian)
• End of a Hawaiian volcano
• 'Mahalo nui ___' ('Thank you very much,' in Hilo)