Where can i buy a new land rover discovery key?

I have a 2001 land rover discovery. the suv came with one jey but it keeps breaking off. Is their a place where i can purchase a new one. If so what do i need to provide?|||Go to the Dealer!!! Most luxury vehicles have a chip built in the key otherwise the vehicle won't crank.|||here's a link to them on ebay motors.|||Go to a good lock smith. One that does a lot of business. You may be able to obtain from the manufacturer too.|||go back to the dealer... and it will cost money i dunno how much.