Enoshima is a small island connected by a 600m-long bridge to the city of Fujisawa, Kanagawa. This seems to be inspired by a viewpoint about 3 km east of the island along the beach. On a clear day, Mount Fuji is also visible.

Approximate real-world bearing and location (something like 35.303547, 139.517242):
https://web.archive.org/web/20170902073757/https://ssl.panoramio.com/photo/47407543