If you look in the classified section of
www.waterfrontnews.com which I think is published monthly, though I could be wrong about that interval, there is usually a listing for that place where a broker is renting out some owners' slips, so you don't necessarily need to buy one to be there. Before I actually got to Florida and was looking for a place to put my new purchse, I considered renting a slip there, but then decided I did not want to be that far north because the water there is black unless you go out to sea. I can swim in the bay here in Miami and see what's under the boat. I also have great access a lot of prime boating waters without having to plan a trip - even if just for an afternoon cruise to the sandbar to drop my hook for a few hours. Looking back, I am very happy I chose Miami over the Fort Lauderdale or Aventura area simply for access to clearer water and a wonderfully wet playground. But, for those who like to spend time in the city itself, they mostly prefer Fort Lauderdale and especially Aventura. For me, Miami is the neatest place, by far, that I have ever lived largely due to the huge diversity in culture here which I find awesome, but then again, I don't stray too far beyond the waterfront either, so my views and opinions about the city of Miami and its neighborhoods are somewhat skewed - I live over on Key Biscayne (actually, it's "Virginia Key" but most people haven't heard of that one) with the most incredible view of the city, especially at night, with breathtaking sunsets EVERY night!
Waterways was one of the nicest places I saw, outside of a yacht club, and well protected from storms. Had I not found this slip in Miami, I probably would have ended up there. There are several, if not many, liveaboards at Waterways. During my boat shopping days, before I was a "born again Hatteras junkie", I looked at a Vantare there that was a liveaboard, and it was obvious many were liveaboards at Waterways. It is a very nice place, though the distance from the parking lot to the boat was a golf cart ride or a very long walk, at least from where we came in. Waterways does have a lot to offer - I wish that marina was sitting here where I am, but then it would probably priced way out of my reach.
With regard to dockage in my area (Miami), I have discovered that it's all about who you know. It might be like that on up the coast, but I don't know that for sure. There are some vacant slips here, and if I call the office, I can get a friend in, but if you cold call the office, you'll likely be told there is a long waiting list. That seems to be the norm in this town. A forum member here got me in the door at this marina with a phone call. I showed up at the marina office within an hour, I think it was, after his call and I had a slip.
Good luck with your quest and if there is anything I can help you with from here, please don't hesitate to ask.