Is Long Island an island or a peninsula?

Answer:
It is an island, and is not connected to the mainland US except by man-made bridges and tunnels (9 bridges, 13 tunnels including rail and transit).

It's an island, of course. It isn't called "Long Peninsula", is it?

Contributor: Jordan
First answer by DarkOne1212. Last edit by Dfoofnik. Contributor trust: 2554 [recommend contributor recommended]. Question popularity: 4 [recommend question].