As someone who had a parent pass away and had a family member getting blasted with text messages with offers to buy their home after this - I can see also the side of it that is "leave them alone".

We've decided that we'll likely look for something somewhere in Guanacaste because we want beach AND proximity to airport (LIR).We go each August to visit her family. 

What are some companies that others are using to insure multi-families of this size?

I am still pretty new to the area but I am ready to jump in and start investing in multi-families in the Albany and surrounding areas. 

single family or multifamily?  

Selling before death would be a costly mistake   - you did not explicitly state this was not a multi family but it seems likely from your description.  

I have a goal of being able to spend time with my daughter and family.

FWIW, I'm going to base this off a 1,500 SF single family new build, but I'll predict the build cost will be a little over $200/SF.

Is it a single-family home or condo?

All of my family grew up near Baton Rouge and went to LSU, so I'm rooting for you.