Isaac, Long Island (NY, right?) is a pretty big place. What town might your job be in? That will help narrow down the choices. Also: will you have a car, or will you have to rely on public transportation?
G o to www.apartments.com
You can put in the area you will live, the number of bedrooms, furnished/unfurnished, amenities and it will come back with a selection of apartments along with the cost of rent.