Continued from Antidote’s Guide to Hawaii Ko Olina: Truly a Relaxing and Luxurious Vacation Experience Ko Olina is quickly becoming the second city of O’ahu. Located on the southwest coast of the island and just 25 miles from Honolulu, this budding beach-side haven is a true escape. It provides visitors as much calm as Waikiki Beach has energy, with soothing beaches and group activities that are fun for all ages.