Karen Observation Deck || Watching the bay and shooting the best location Karen Observation Deck is another commanding height on Phuket. The view is also very vast. Standing on the observation deck overlooking the three bays of large, small Kata and Karen. The "W" shape is the size of Kata Beach, and the distance is Karen Beach. It is also a good choice to come and look up and breathe the fresh air on the top of the mountain during the day.