The Aquarius Reef Base sits 60 feet underwater, three and a half miles off the Florida coast. Sylvia Earle, the legendary 76-year-old oceanographer, is there on a final trip before the station closes for good. That is, unless it can get enough funding to continue. See the pictures and hear Earle’s appeal.
http://www.fastcoexist.com/1680193/what-its-like-to-live-in-americas-space-station-under-the-sea#1
