A ton of sources that I've found, including a search on the forum have said that there is bag storage at the Riomaggiore station, but I also ran across an article that said that in 2017 they closed the bag storage at several stations in the region, but may have reopened it this year? I'm looking for confirmation from someone who was in the Cinque Terre recently there recently that there is bag storage in Riomaggiore (or another village if necessary). I've also messaged my AirBnB host but have not heard back yet. Thank you in advance.
blackburn,
I don't believe there's any bag storage in Riomaggiore. According to one website I checked.....
"Il deposito bagagli a Riomaggiore non è più disponibile (Luggage storage in Riomaggiore is no longer available).
This is the website - https://www.incinqueterre.com/it/how-to-arrive
You might check the latest copy of the RS Italy guidebook, as there may be a local business that will store luggage for short periods.