Back in the mid 90's when I was living in the Philadelphia area I use to frequent two places, one was Sandy Hook Catamaran Club, and the other was this park in Baltimore County over by Martin Field (where I watched a F-117 crash, but that is another story) where you could store your boat mast up for the summer with a permit. For some reason I can't remember if it was Turkey Point or Rocky Point, and I am leaning towards Rocky Point. My sister lived not to far from there and I could leave my Prindle at her house.
Anyhow, I believe if you were a resident of Baltimore County you could leave your boat there mast up at your risk with a permit as there were about 10 beach cats parked there.
What you folks need to do is get to the county/city/state people, plead your case and get you access back. Face it you have some limp_____ city/county/state/federal useless government employee taking way YOUR RIGHTS because it is not in THIER best interest and creating work for them.