At Kamiarisai, most likely happens in November, all Japanese gods visit Izumo Oyashiro Shrine and they enter from this beach. The rock on the beach is the landmark for them. It is chosen as the 100 best beaches.
Tourist Info.
There are parking and restroom.
Access
0. at Izumoshi Station.
1. use IchiHatakita Line to Kawato Station.
2. change the line to Izumo Oyashiromae Station.
3. use a local bus to Inasahama.
20 min
New Wave Samurai Movie. 
映画好き集まれ！ 