Sakaimatsu Station is served by the 16.8 km Konan Railway Konan Line between Hirosaki and Kuroishi, and is located 15.3 km from the southern terminus of the line at Hirosaki.

The station has one side platform serving a single bidirectional line.

It is unattended, and has no station building other than a small shelter on the platform.

[citation needed] A new station building was completed in July 1997.

[citation needed] The station is located in a rural area surrounded by farms, with only a few houses nearby.