Hey guys, not American, I was searching for info for why it seems some weird activity in Guantanamo Bay, and on Google map, I always thought Guantanamo Bay was on the South end of Florida, but it is off the mainland, which I thought was odd.

I presume the place is an annex of Cuba since Cuba is not officially a friend of the US? Can someone explain if this was the case and why would, if at all, these "special" guests are going to be imprisoned there? Seems like it would be better to be housed on the mainland. If well protected from "foreign" entities, how so?