My thought was how about a HFT microwave style network: https://sniperinmahwah.wordpress.com/2014/09/22/hft-in-my-ba...
So I checked the distance from the Keys to Havanna: https://www.google.com/webhp?sourceid=chrome-instant&ion=1&e...
Which turned out to be 2500 meters via this: http://www.hamuniverse.com/lineofsightcalculator.html
It's four times larger than the largest non-skyscraper (a TV tower in North Dakota): https://en.wikipedia.org/wiki/List_of_tallest_buildings_and_...
So sadly we cannot beam Netflix or anything else to our entrepreneurial hacker Mr. Weekly Packet. Added incentive to fund space elevator research?