Phromthep also has a lighthouse that houses interesting historical maritime artifacts and commands spectacular views over the east and southeast of the island and its environs. The lighthouse/museum is air conditioned inside and if you go up to the outdoors viewing balcony you can see the distinctive shapes of the Phi Phi Islands, Koh Racha Yai and Koh Racha Noi on a clear day and of course a whole raft of nearer islands such as nearby Koh Kiaow with its Buddhist monastery.