Though this site does not specifically pertain to the Waikiki Ahupua'a, it is a gigantic resource for ahupua'a related information in general.
Ahupua'a Action Allance Online
Wai Message Board
This is a message board for the Ala Wai Canal Watershed Improvement Project. As stated on webpage for the message board, "Topics deal with applying the Hawaiian Ahupua'a model to watershed management of the Ala Wai Canal watersheds in the Ahupua'a of Waikiki."
Wai Canal Watershed Water Quality Improvement Project
Talks about the current state of the Ala Wai Canal, along with a brief history. Gives suggestions for improving the canal. It's sad to know that no such problems existed when the Waikiki ahupua'a was still around!
This is a report done by a KCC student. The report primarily focuses on how to restore a sense of Hawaiianess to Waikiki, including a suggestion of intermixing lo'i and fishponds with the current modern infrastructure. Here's a link to a in accomplishing this task, which this person's report is partially based upon.
list of suggestions
This site talks about the Diamond Head portion of the Waikiki Ahupua'a. It talks quite extensively about Diamond Head's history, covering the ahupua'a system in the process.
This article from KCC's online newspaper briefly covers a trip made to Diamond Head for one of the Adopt an Ahupua'a's service learning events. Read students' experiences gained from this outing.