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?
No, Coney Island is not an island, although it once was. Now it is a peninsula. It was only separated from the rest of Long Island by a narrow creek, called Coney Island Creek. The center of the creek (the part that separated Coney Island from mainland Long Island) was filled in sometime in the early 20th century, turning Coney Island into a peninsula.
Newfoundland and Labrador is the province that is a peninsula and an island. Newfoundland is the island and Labrador is the peninsula.
Because it once was. Now it is a peninsula. It was separated from the rest of Long Island by a narrow creek, called Coney Island Creek. The center of the creek (the part that separated Coney Island from mainland Long Island) was filled in sometime in the early 20th century, turning Coney Island into a peninsula.
Island
It is a peninsula, not an island
An island is an area of land surrounded by water.
An object named as an Island is usually just that, "an island". However you have not been specific regarding what long island you are referring to see:- http://en.wikipedia.org/wiki/Long_Island_(disambiguation)
Prince Edward Island is a province that is on an island. Prince Edward Island is located in Canada, particularly in Quebec.
island
The word 'peninsula' comes from the Latin words "paene" meaning 'almost' and "insula" meaning 'island'. This reflects the geographic feature of a peninsula being almost surrounded by water.
Hawaii is an island and a state. It is not a peninsula.
Island, It is surrounded by water on all side. A peninsula only has water on three sides :)