Police in Port Erin are appealing for information about damage to the village railway station.
A large glass window pane was smashed overnight from Boxing Day into this morning (27 Dec).
Repair costs will run into three figures and police say the incident has caused major inconvenience to the cafe owners next door.
If you were in the area overnight and saw anyone causing the damage or acting suspiciously near the sation, is asked to contact Castletown police.
TT organisers announce revised Saturday race schedule
Senior race to be restarted over four-lap distance tomorrow (6 June)
TT campers in 'high spirits' despite rain affecting race week
'Costa del Ballaugh' one week, mud the next
Rider taken to Noble's Hospital after Senior TT red flag
Competitor 'conscious and talking' after incident at 11th Milestone
Red flag stops Senior TT race
Race halted during second lap
Further delay to TT schedule due to 'non-racing operational matter'
Clerk of the Course confirms change to proceedings