Possible Clues:

• Have a go at corn there in the Mediterranean
• Neapolitan isle
• Island in the South Pacific. A primitive tribe lives there
• Tropic gets no wheat from Italian location
• In the Mediterranean, such corn might be tropical
• Month in one group of holiday islands or another
• Where goat is deprived of cereal
• Isle off the lower boot
• Island in bay of Naples
• Greek island to improve on US state?