moving to northcoast need list of longterm rentals

My family and I and Car are moving to DR, we have only found one realestate dealer with reasonable rates DR Reality, were looking for somthing with 2, preferably 3 bedrooms, cooking,backup elect and preferably furnished. Now comes the hard part, it has to be rented at between 400-700 US dollars per month, extras ,like elect and etc can be another 100 or so. Can anybody help? we will be hopefully there come october 1 2001. Thanks