I live in Centerport and if you haven't found a rental yet, there is one in particular in my area, that I think you will love. Please feel free to call me on my cell: 631.827.8000, if you're interested or know someone who may be.
According to the listing cable is included
My name is Irene Renna from keller Williams Realty. If you would like to view this or other rentals I would be more than happy to assist you. My office phone number is 6313523210. I hope this answers your question and feel free to call me with any other real estate questions you may have