If you have time, go visit some of the homes and secret-shop them to see how they compare to yours.I recommend looking at the market at least once a month for the rest of your life to keep an eye on things.

you can do it for less. 10k max. there are volume syndication shops you can use. 20k is high for a simple structure. depends on the structure. 

I can't tell you how many times I've gone to the property and it is gone, or you figure out something is wrong, maybe the legal description, or the address, or there is $100,000 worth of junk there you need to haul off that was not in the pictures, or that cool commercial building, that when you get there has the faint words that you can now make out to be a former dry cleaner, or gas stations, or lead smelter, or oil change shop or something like that. 

Any ideas for what to look for in a property management shop that would even take me?

And, for many, it's a cycling action much like body builders do of growth, consolidation, growth, consolidation, evolving up along the way. 

Smaller office or shop buildings might bring in more money but need you to know more about running them.

(Interview them like anyone else and price shop).  

Then I would shop locally first - they will have best rates 

I would recommend shopping this because at 66% LTV you should be able to get a rate in the low 7s assuming you have a good FICO score.

It is gated, secure, a larger resort, with hotels, restaurants, shops, scuba, snorkeling, a dolphin encounter, etc.It has a marina and golf course.