I don't think there's any particular web site where Caribbean investors hang out.There a couple of things that concern me with investing in any of these locations. 

Hey Account Closed has an amazing syndication deal analyzer and web tutorials that allow you to quickly analyze deals.It easily presents the numbers with summary tabs and scenario tabs so you can quickly show your potential investors the numbers.

I've been doing a little web research on PM's in the area but haven't contacted any yet...recommendations always welcome!

I have been scouring the web for reviews, recommendations, and tips for couches for STR's but I seem to be struggling.

That is good to hear that things worked out for the best and that the Web is helping to make your job a lot easier my friend.

how do I build a list of people to send out news letters to without a Web site?

Its two minutes on the IRS web site:IRS EIN application

Does anyone know a local (in the Richmond area) or national (web-based) company that provides this type of service that you would recommend?

I thought it might be worthwhile to share web sources with good RE and business related News.

If you want a web based version check this out.http://gabhartinvestments.com/tools/