The Ihilani Resort and Spa at Ko Olina in West Oahu is expected to close for renovations on March 10 and then reopen as the Four Seasons Resort Oahu at Ko Olina at the end of this year, the developer of the project confirmed to PBN on Tuesday. The resort was originally supposed to close on Jan. 10, when its contract with Marriott International expired, but developer Jeff Stone, CEO of The Resort Group, announced in late December that the hotel would remain open until April. Stone told PBN that…