This is mentioned in various tourism booklets, but they are all old. I'm 95% sure this is closed since Covid. Their website is dead. No signage outside. Closed/locked gate. Camp "site" wooden mini-buildings supposedly here are gone.

https://web.archive.org/web/20221002004703/https://jurmala.webs.com/apps/photos/album?albumid=6899953

I retagged it.