This is a great question! Home owners insurance will vary with multiple factors;
Age, Size, Window type, Roof Type, Hurricane Shutters, building material etc.
The list is too long to name, your best bet is to contact one of my insurance specialists in the area.
First American Property & Casualty Insurance Agency
You will not be able to get an "exact" price since you dont have a home picked out yet, unless you do.
If you would like to get started finding homes in the area(s) your looking in contact me and I will be happy to help. I can email a list of homes that suit your needs which will update daily keeping you ahead of other buyers looking for the same thing.
Joe Stafford, PA
Keller Williams Realty
You can search on my website http://www.FortLauderdale-Homesforsale.com