My name is Mike Gallagher and I the Broker in Charge at Abe Lee Realty.
I would visit my website at http://www.hawaiirealestatestatistics.com for the latest sales information for Oahu.
There you will find the latest statistics for the Kapolei Area.
As for Koolina, the only way I would suggest investing there is if you are going to move into it as owner / occupant and hold it for the long term.
Rents are declining and there are many Distressed Properties currently in this area.
For more specific questions please contact me via phone at 808-384-9015 or email@example.com
I wish you much Aloha,
Mike Gallagher, Broker in Charge, Abe Lee Realty
Ethics Complaints Review Committee Member, Honolulu Board of Realtors