Made a false police report about domestic violance Florida

In Florida, a convicted felon cannot possess, own, or have in his/her care or custody any firearm, ammunition without first having his/her right to...

You stated that you leased a slip in a marina (if Maria's means marina). Then you found out you had to share the slip with another owner. As others...

Dear Sir do I have any rights to notice being given or can I just be kicked off the boat

Whomever has control of the vessel can request that you leave. If you feel you have a claim, file it after your off the boat.

If I purchase waterfront property with unknown/non-registered boats docked at property, what are my legal rights/responsibility?

First check local ordinances, they may not allow dockage other than the property owners boat. If the boat is small and not documented, check DMV...