The crossword solution for the term 'Hawaiian Island or Porch' is 'LANAI' (5 letters). LANAI is an island located in Hawaii, and is the sixth largest of the Hawaiian Islands. It is known for its stunning beaches and resorts, as well as its lush tropical forests. It is also home to the world's largest pineapple plantation. In addition to being an island, LANAI is also a type of porch, which is typically found in tropical climates.