Agreed, if I had my own dock and lift I would own a boat. The thought of trailering it, driving somewhere, boating, then trailering back home and cleaning it thoroughly when give me pause to take it out at all.
If you had your own dock and lift you could buzz around for a while and be back home in minutes.
I would want a pontoon with a grill out it, shade, and a TV. Just roll around and chill watching football.
The solution is to charge more for registration fees and have a state employee at the ramp during peak times to tell people to back it in load/unload and GTFO.