is a railway station in the town of Kawazu, Shizuoka Prefecture, Japan, operated by the privately owned Izu Kyà «kà  Line .
Imaihama-Kaigan Station is served by the Izu Kyà «kà  Line, and is located 34.2 kilometers from the official starting point of the line at and 51.1 kilometers from .
The station has one side platform sandwiched between two tunnels. The platform length is equivalent in length to eight train cars access to trains is limited only to the middle seven cars. The station building is a log cabin style building, using wood from the surrounding forests.
Imaihama-Kaigan Station was opened on December 10, 1961, initially as a temporary stop only open during the summer months due to its proximity to nearby swimming beaches. It became a permanent station on March 1, 1969. A new station building was completed in July 2006.
In fiscal 2017, the station was used by an average of 132 passengers daily. As of 2020, this number has gone down to 86 passengers per day.