with insurance dollars you had whole thing painted, now youre building a shed.
Listen to the insurance concerns.
A lawyer isn't going to protect you if someone gets hurt. I'm a landlord between contractors who wear shirts for attorneys that sue for on the job injuries and tenants with manufactured claims it isn't fun. Is a professional management company involved in this venture?
You going to keep logs that will be asked for? How new is the non skid.

Everyone would like idle assets to work for them...that's not genius. It's squeezing the quarter.

I've read this idea of the boating environment have a paddle wheel on the bigger hatteras at one point too.

Good luck and be careful.