The JW Marriott Ihilani Resort & Spa at Ko Olina will be renamed Four Seasons Resort Oahu at Ko Olina and is scheduled to be reopened under the Four Seasons flag in December 2015, according to a brochure sent to employees that Jeff Stone, master developer of the West Oahu resort community, provided to PBN. There will be about 550 total rooms and residences at the Ihilani property once the renovation is complete. Stone, the founder and head of The Resort Group, told PBN this week, it reacquired…