Okitsu was a place suitable for retreat villa area between the end of the 1 9th century and the second world war. Famous person's villa was built in Okitsu, and an excellent villa area was formed. Okitsu was located in the far from Tokyo in the beach villa area formed along Tonkaido Line. There were not a lot of numbers of villas in the small scale. Therefore, owners had a personal connection. In this text, the villa made in Okitsu is researched. The historical background of Okitsu and the connection of owners are clarified. This is connected with knowing what place was ideal for famous persons.